Title: CA $436 Cheap Flights from Ottawa (YOW) to London (LON) - Expedia.ca ![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $436 Cheap Flights from Ottawa (YOW) to London (LON) [View CA $436 flight on Fri, May 29, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YOW,to:LGW,departure:29/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:435.01&airProductToken=AQqbAQoyCNemARIDNTg5GNizASCYzgEos6KOAzD4oo4DOEVAAFgBagVCQVNJQ3IITEs3RDBUQksKMgjXpgESAzc4MBiYzgEgmJ4BKJyojgMw1amOAzhFQAFYAWoFQkFTSUNyCExLN0QwVEJLCjEI16YBEgI1MBiYngEgy7EBKLSqjgMw5ayOAzhFQAFYAWoFQkFTSUNyCExLN0QwVEJLEgoIARABGAEqAldTGAEiBAgBEAEoAigDKAQwAQ) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Ottawa International Airport (YOW) to London - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:yow,to:lon,departure:24/10/2025TANYT&leg2=from:lon,to:yow,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.ca/Flights-Search?leg1=from:yow,to:lon,departure:24/10/2025TANYT&leg2=from:lon,to:yow,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Aer Lingus](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EI.svg) Aer Lingus [](https://www.expedia.ca/Flights-Search?leg1=from:yow,to:lon,departure:24/10/2025TANYT&leg2=from:lon,to:yow,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EI"}}]) - ![Virgin Atlantic](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VS.svg) Virgin Atlantic [](https://www.expedia.ca/Flights-Search?leg1=from:yow,to:lon,departure:24/10/2025TANYT&leg2=from:lon,to:yow,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) - ![LOT-Polish Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LO.svg) LOT-Polish Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:yow,to:lon,departure:24/10/2025TANYT&leg2=from:lon,to:yow,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LO"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.ca/Flights-Search?leg1=from:yow,to:lon,departure:24/10/2025TANYT&leg2=from:lon,to:yow,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![Austrian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OS.svg) Austrian Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:yow,to:lon,departure:24/10/2025TANYT&leg2=from:lon,to:yow,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OS"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Ottawa (YOW) to London (LON) Prices were available within the past 7 days and start at CA $436 for one-way flights and CA $832 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Transat](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TS.gif) Fri, Feb 27 - Mon, Mar 9 YOW Ottawa LGW London CA $832 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LGW,departure:27/02/2026TANYT&leg2=from:LGW,to:YOW,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:831.09&airProductToken=AQpjCjAI1KYBEgQ3ODUxGNizASCYzgEowaOGAzCMpIYDOFhAAFgBagNCR1RyB1gwQkdUN0MKLwjUpgESAzEyMhiYzgEgy7EBKLuqhgMw6a2GAzhYQAFYAWoDQkdUcgdYMEJHVDdDCmMKLwjUpgESAzEyMxjLsQEgmM4BKPyThwMw8JeHAzhYQABYAWoDQkdUcgdYMEJHVDdDCjAI1KYBEgQ3ODY0GJjOASDYswEog5-HAzDJn4cDOFhAAVgBagNCR1RyB1gwQkdUN0MSCggBEAEYASoCVFMYASIECAEQASgCKAMoBDAN) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Mon, Feb 16 - Wed, Mar 4 YOW Ottawa LGW London CA $832 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LGW,departure:16/02/2026TANYT&leg2=from:LGW,to:YOW,departure:04/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:831.35&airProductToken=AQpHCiEI0IgBEgMxNjIY2LMBIJjOASi7rYUDMIauhQM4TUAAWAEKIgjQiAESBDcxMjIYmM4BIMuxASjbroUDMImyhQM4TUABWAEKRwoiCNCIARIENzEyMxjLsQEgmM4BKNzbhgMw0N-GAzhNQABYAQohCNCIARIDMTc5GJjOASDYswEozuOGAzCV5IYDOE1AAVgBEgoIARABGAEqAlBEGAEiBAgBEAEoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, Feb 23 - Mon, Mar 2 YOW Ottawa LHR London CA $913 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LHR,departure:23/02/2026TANYT&leg2=from:LHR,to:YOW,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:912.77&airProductToken=AQpnCjIIwYYBEgQ4MDE0GNizASCYXSjs-oUDMJj7hQM4S0AAWAFqBUJBU0lDcghLSjFBWFVCUQoxCMGGARIDODY0GJhdIOuJASiq_IUDMM7_hQM4S0ABWAFqBUJBU0lDcghLSjFBWFVCUQqjAQo1CMyQARIEMjQ3MxjriQEgjBUo_sSGAzDsxYYDOEtAAFgBaghFQ09MSUdIVHIIS0oxQVhVQlEKMwjMkAESAzQ3NBiMFSCYXSjpxoYDMNjKhgM4S0ABWAFqCEVDT0xJR0hUcghLSjFBWFVCUQo1CMyQARIENjcyMBiYXSDYswEolsyGAzDGzIYDOEtAAVgBaghFQ09MSUdIVHIIS0oxQVhVQlESCggCEAEYAioCQUMYASIECAEQASgCKAMoBDAB) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Fri, Jan 16 - Fri, Jan 30 YOW Ottawa LHR London CA $932 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LHR,departure:16/01/2026TANYT&leg2=from:LHR,to:YOW,departure:30/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:931.07&airProductToken=AQo4CjYIzJABEgQ2NjkzGNizASDriQEoj9KCAzCQ1YIDOEtAAFgBaghFQ09MSUdIVHIIS0oxQVhVQlEKNAoyCMGGARIDODg5GOuJASDYswEo0OiDAzCS7IMDOEtAAFgBagVCQVNJQ3IIS0oxQVhVQlESCggCEAEYAioCQUMYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sun, Jan 25 - Sat, Feb 7 YOW Ottawa LHR London CA $932 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LHR,departure:25/01/2026TANYT&leg2=from:LHR,to:YOW,departure:07/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:931.07&airProductToken=AQpnCjIIwYYBEgQ4MDE0GNizASCYXSjMtIMDMPi0gwM4S0AAWAFqBUJBU0lDcghLSjFBWFVCUQoxCMGGARIDODY0GJhdIOuJASiKtoMDMK65gwM4S0ABWAFqBUJBU0lDcghLSjFBWFVCUQppCjIIwYYBEgM4NjkY64kBIPjJASicwYQDMLvEhAM4S0AAWAFqBUJBU0lDcghLSjFBWFVCUQozCMGGARIEODA2Nxj4yQEg2LMBKMTGhAMw08eEAzhLQAFYAWoFQkFTSUNyCEtKMUFYVUJREgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Mon, Feb 23 - Mon, Mar 2 YOW Ottawa LHR London CA $940 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LHR,departure:23/02/2026TANYT&leg2=from:LHR,to:YOW,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:939.27&airProductToken=AQpuCjUIzJABEgQ2NjkxGNizASCYXSjs-oUDMJj7hQM4S0AAWAFqCEVDT0xJR0hUcghLSjFBWFVCUQo1CMyQARIENjgzORiYXSDriQEoqvyFAzDO_4UDOEtAAVgBaghFQ09MSUdIVHIIS0oxQVhVQlEKowEKNQjMkAESBDI0NzMY64kBIIwVKP7EhgMw7MWGAzhLQABYAWoIRUNPTElHSFRyCEtKMUFYVUJRCjMIzJABEgM0NzQYjBUgmF0o6caGAzDYyoYDOEtAAVgBaghFQ09MSUdIVHIIS0oxQVhVQlEKNQjMkAESBDY3MjAYmF0g2LMBKJbMhgMwxsyGAzhLQAFYAWoIRUNPTElHSFRyCEtKMUFYVUJREgoIAhABGAIqAkxIGAEiBAgBEAEoAigDKAQwAQ) ![Austrian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/OS.gif) Wed, Mar 18 - Tue, Mar 24 YOW Ottawa LHR London CA $955 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LHR,departure:18/03/2026TANYT&leg2=from:LHR,to:YOW,departure:24/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:954.65&airProductToken=AQpwCjYIz6YBEgQ4MTk0GNizASCYzgEo3f6HAzCu_4cDOEtAAFgBaghFQ09MSUdIVHIIS0oxQVhVQlEKNgjPpgESBDgyODgYmM4BIOuJASjrgIgDMKiEiAM4S0ABWAFqCEVDT0xJR0hUcghLSjFBWFVCUQqlAQo0CM-mARIDMzQwGOuJASCVIiiIuogDMIq7iAM4S0AAWAFqCEVDT0xJR0hUcghLSjFBWFVCUQo1CM-mARIEODI0NxiVIiCYzgEo37uIAzCKwIgDOEtAAVgBaghFQ09MSUdIVHIIS0oxQVhVQlEKNgjPpgESBDgzMjAYmM4BINizASiqwYgDMO7BiAM4S0ABWAFqCEVDT0xJR0hUcghLSjFBWFVCURIKCAIQARgCKgJPUxgBIgQIARABKAIoAygEMAE) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Sun, Jan 18 - Tue, Feb 3 YOW Ottawa LHR London CA $961 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LHR,departure:18/01/2026TANYT&leg2=from:LHR,to:YOW,departure:03/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:960.37&airProductToken=AQqhAQo1CMywARIENDg5ORjYswEgmF0otuOCAzDo44IDOEtAAFgBaghFQ09MSUdIVHIIS0oxQVhVQlEKMgjMsAESAjg3GJhdILk8KJnmggMw2-mCAzhLQAFYAWoIRUNPTElHSFRyCEtKMUFYVUJRCjQIzLABEgMzMTYYuTwg64kBKI3qggMwheuCAzhLQAFYAWoIRUNPTElHSFRyCEtKMUFYVUJRCqEBCjQIzLABEgMzMTcY64kBILk8KJyUhAMwj5WEAzhLQABYAWoIRUNPTElHSFRyCEtKMUFYVUJRCjIIzLABEgI4Nhi5PCCYXSi8lYQDMLqZhAM4S0ABWAFqCEVDT0xJR0hUcghLSjFBWFVCUQo1CMywARIENDY4MhiYXSDYswEomZqEAzDNmoQDOEtAAVgBaghFQ09MSUdIVHIIS0oxQVhVQlESCggCEAEYAioCTFgYASIECAEQASgCKAMoBDAB) ![Brussels Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SN.gif) Wed, Jan 28 - Mon, Feb 9 YOW Ottawa LHR London CA $982 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LHR,departure:28/01/2026TANYT&leg2=from:LHR,to:YOW,departure:09/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:981.47&airProductToken=AQqmAQo1CNOcARIEOTYwOBjYswEgmF0orNaDAzDY1oMDOEtAAFgBaghFQ09MSUdIVHIIS0oxQVhVQlEKNQjTnAESBDk1NTIYmF0goaQBKNHXgwMw-tqDAzhLQAFYAWoIRUNPTElHSFRyCEtKMUFYVUJRCjYI05wBEgQyMTAzGKGkASDriQEomuGDAzDg4YMDOEtAAVgBaghFQ09MSUdIVHIIS0oxQVhVQlEKpgEKNgjTnAESBDIxMDQY64kBIKGkASja1oQDMJvXhAM4S0AAWAFqCEVDT0xJR0hUcghLSjFBWFVCUQo1CNOcARIEOTU1MRihpAEgmF0o3NeEAzCt24QDOEtAAVgBaghFQ09MSUdIVHIIS0oxQVhVQlEKNQjTnAESBDk2MDcYmF0g2LMBKIzchAMwvNyEAzhLQAFYAWoIRUNPTElHSFRyCEtKMUFYVUJREgoIAhABGAIqAlNOGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, Nov 17 - Tue, Nov 25 YOW Ottawa LCY London CA $998 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LCY,departure:17/11/2025TANYT&leg2=from:LCY,to:YOW,departure:25/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:997.37&airProductToken=AQqaAQoyCMGGARIEMjU0NBjYswEgmF0o9qn9AjCoqv0COEtAAFgBagVCQVNJQ3IIS1oyQVhVQlEKMQjBhgESBDY4MjAYmF0guTwo2az9AjCbsP0COEtAAVgBagVCQVNJQ3IIS1oyQVhVQlEKMQjMsAESAzQ2MBi5PCDLwAEo_7D9AjDjsf0COEtAAVgBagVCQVNJQ3IIS1oyQVhVQlEKoQEKNAjMsAESAzQ2NxjLwAEguTwovoX-AjCnhv4COEtAAFgBaghFQ09MSUdIVHIIS1oyQVhVQlEKMgjMsAESAjg2GLk8IJhdKJyN_gIwmpH-AjhLQAFYAWoIRUNPTElHSFRyCEtaMkFYVUJRCjUIzLABEgQ0NjgyGJhdINizASj-kf4CMLKS_gI4S0ABWAFqCEVDT0xJR0hUcghLWjJBWFVCURIKCAIQARgCKgJBQxgBIgQIARABKAIoAygEMAE) ## Find the cheapest month to fly from Ottawa (YOW) to London (LON) ### May is typically the cheapest month to fly From CA $774 - CA $1,269 per traveller. ## Alternative airports near London Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:LHR,departure:24/10/2025TANYT&leg2=from:LHR,to:YOW,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LHR Heathrow Cheapest 28 min [Flights from CA $988](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:LHR,departure:24/10/2025TANYT&leg2=from:LHR,to:YOW,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:LGW,departure:24/10/2025TANYT&leg2=from:LGW,to:YOW,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LGW Gatwick 52 min [Flights from CA $1,127](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:LGW,departure:24/10/2025TANYT&leg2=from:LGW,to:YOW,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.ca/Flights-Search?leg1=from:XDS,to:LCY,departure:24/10/2025TANYT&leg2=from:LCY,to:XDS,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LCY London City Closest 21 min [Flights from CA $1,278](https://www.expedia.ca/Flights-Search?leg1=from:XDS,to:LCY,departure:24/10/2025TANYT&leg2=from:LCY,to:XDS,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) Flight from Ottawa to London (YOW - LGW) route information | Origin airport | Macdonald-Cartier Intl. | | --- | --- | | Destination airport | Gatwick | | Roundtrip price | CA $831 | | Distance | 5347 km | ## Ottawa to England Flights **The easy way to book your flights from Ottawa to London**  With Expedia, it’s simple to find and book flights to London from Ottawa whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to LON-All Airports, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ottawa to London today, tomorrow, or this week.   **Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to LON-All Airports, LON**  Sort your search results by price to find great deals on your flight from Ottawa to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Ottawa currently is just CA $832 rising to CA $998.   Here are more money-saving tips:  - Fly in February when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to London   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to London from Ottawa**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to London with Expedia today. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Atlanta to North London](https://www.expedia.ca/lp/flights/178232/6196832/atlanta-to-north-london) - [Flights from Riga to North London](https://www.expedia.ca/lp/flights/6056778/6196832/riga-to-north-london) - [Flights from Accra (ACC) to London (LHR)](https://www.expedia.ca/lp/flights/acc/lhr/accra-to-london) - [Flights from Málaga (AGP) to London (LHR)](https://www.expedia.ca/lp/flights/agp/lhr/malaga-to-london) - [Flights from Ahmedabad (AMD) to London (LHR)](https://www.expedia.ca/lp/flights/amd/lhr/ahmedabad-to-london) - [Flights from Amsterdam (AMS) to London (LCY)](https://www.expedia.ca/lp/flights/ams/lcy/amsterdam-to-london) - [Flights from Athens (ATH) to London (LCY)](https://www.expedia.ca/lp/flights/ath/lcy/athens-to-london) - [Flights from Sri Guru Ram Das Ji Intl. Airport (ATQ) to London (LHR)](https://www.expedia.ca/lp/flights/atq/lhr/sri-guru-ram-das-ji-intl-airport-to-london) - [Flights from Berlin (BER) to London (LHR)](https://www.expedia.ca/lp/flights/ber/lhr/berlin-to-london) - [Flights from Belfast (BHD) to London (LHR)](https://www.expedia.ca/lp/flights/bhd/lhr/belfast-to-london) - [Flights from Bellingham (BLI) to London (LCY)](https://www.expedia.ca/lp/flights/bli/lcy/bellingham-to-london) - [Flights from Mumbai (BOM) to London (LHR)](https://www.expedia.ca/lp/flights/bom/lhr/mumbai-to-london) - [Flights from Boston (BOS) to London (LHR)](https://www.expedia.ca/lp/flights/bos/lhr/boston-to-london) - [Flights from Bristol (BRS) to London (LCY)](https://www.expedia.ca/lp/flights/brs/lcy/bristol-to-london) - [Flights from Brussels (BRU) to London (LHR)](https://www.expedia.ca/lp/flights/bru/lhr/brussels-to-london) - [Flights from Burlington (BTV) to London (LHR)](https://www.expedia.ca/lp/flights/btv/lhr/burlington-to-london) - [Flights from Budapest (BUD) to London (LHR)](https://www.expedia.ca/lp/flights/bud/lhr/budapest-to-london) - [Flights from Corfu (CFU) to London (LHR)](https://www.expedia.ca/lp/flights/cfu/lhr/corfu-to-london) - [Flights from Colombo (CMB) to London (LHR)](https://www.expedia.ca/lp/flights/cmb/lhr/colombo-to-london) - [Flights from Cochin (COK) to London (LHR)](https://www.expedia.ca/lp/flights/cok/lhr/cochin-to-london) - [Flights from Copenhagen (CPH) to London (LHR)](https://www.expedia.ca/lp/flights/cph/lhr/copenhagen-to-london) - [Flights from Cape Town (CPT) to London (LCY)](https://www.expedia.ca/lp/flights/cpt/lcy/cape-town-to-london) - [Flights from Cardiff (CWL) to London (LCY)](https://www.expedia.ca/lp/flights/cwl/lcy/cardiff-to-london) - [Flights from Dhaka (DAC) to London (LHR)](https://www.expedia.ca/lp/flights/dac/lhr/dhaka-to-london) - [Flights from Dubrovnik (DBV) to London (LHR)](https://www.expedia.ca/lp/flights/dbv/lhr/dubrovnik-to-london) - [Flights from Dublin (DUB) to London (LCY)](https://www.expedia.ca/lp/flights/dub/lcy/dublin-to-london) - [Flights from Dubai (DXB) to London (LHR)](https://www.expedia.ca/lp/flights/dxb/lhr/dubai-to-london) - [Flights from Edinburgh (EDI) to London (LCY)](https://www.expedia.ca/lp/flights/edi/lcy/edinburgh-to-london) - [Flights from East Midlands (EMA) to London (LCY)](https://www.expedia.ca/lp/flights/ema/lcy/east-midlands-to-london) - [Flights from Faro (FAO) to London (LHR)](https://www.expedia.ca/lp/flights/fao/lhr/faro-to-london) - [Flights from Florence (FLR) to London (LCY)](https://www.expedia.ca/lp/flights/flr/lcy/florence-to-london) - [Flights from Florence (FLR) to London (LHR)](https://www.expedia.ca/lp/flights/flr/lhr/florence-to-london) - [Flights from Frankfurt (FRA) to London (LHR)](https://www.expedia.ca/lp/flights/fra/lhr/frankfurt-to-london) - [Flights from Glasgow (GLA) to London (LCY)](https://www.expedia.ca/lp/flights/gla/lcy/glasgow-to-london) - [Flights from Glasgow (GLA) to London (LHR)](https://www.expedia.ca/lp/flights/gla/lhr/glasgow-to-london) - [Flights from Hong Kong (HKG) to London (LHR)](https://www.expedia.ca/lp/flights/hkg/lhr/hong-kong-to-london) - [Flights from Houston (IAH) to London (LHR)](https://www.expedia.ca/lp/flights/iah/lhr/houston-to-london) - [Flights from Seoul (ICN) to London (LHR)](https://www.expedia.ca/lp/flights/icn/lhr/seoul-to-london) - [Flights from Islamabad (ISB) to London (LHR)](https://www.expedia.ca/lp/flights/isb/lhr/islamabad-to-london) - [Flights from Istanbul (IST) to London (LHR)](https://www.expedia.ca/lp/flights/ist/lhr/istanbul-to-london) - [Flights from New York (JFK) to London (LCY)](https://www.expedia.ca/lp/flights/jfk/lcy/new-york-to-london) - [Flights from Thira (JTR) to London (LHR)](https://www.expedia.ca/lp/flights/jtr/lhr/thira-to-london) - [Flights from Reykjavik (KEF) to London (LHR)](https://www.expedia.ca/lp/flights/kef/lhr/reykjavik-to-london) - [Flights from Karachi (KHI) to London (LHR)](https://www.expedia.ca/lp/flights/khi/lhr/karachi-to-london) - [Flights from Lahore (LHE) to London (LHR)](https://www.expedia.ca/lp/flights/lhe/lhr/lahore-to-london) - [Flights from Lisbon (LIS) to London (LCY)](https://www.expedia.ca/lp/flights/lis/lcy/lisbon-to-london) - [Flights from Lagos (LOS) to London (LCY)](https://www.expedia.ca/lp/flights/los/lcy/lagos-to-london) - [Flights from Madrid (MAD) to London (LHR)](https://www.expedia.ca/lp/flights/mad/lhr/madrid-to-london) - [Flights from Miami (MIA) to London (LHR)](https://www.expedia.ca/lp/flights/mia/lhr/miami-to-london) - [Flights from Manila (MNL) to London (LHR)](https://www.expedia.ca/lp/flights/mnl/lhr/manila-to-london) - [Flights from Marseille (MRS) to London (LHR)](https://www.expedia.ca/lp/flights/mrs/lhr/marseille-to-london) - [Flights from Minneapolis (MSP) to London (LHR)](https://www.expedia.ca/lp/flights/msp/lhr/minneapolis-to-london) - [Flights from Munich (MUC) to London (LHR)](https://www.expedia.ca/lp/flights/muc/lhr/munich-to-london) - [Flights from Milan (MXP) to London (LHR)](https://www.expedia.ca/lp/flights/mxp/lhr/milan-to-london) - [Flights from Nice (NCE) to London (LHR)](https://www.expedia.ca/lp/flights/nce/lhr/nice-to-london) - [Flights from Newcastle (NCL) to London (LHR)](https://www.expedia.ca/lp/flights/ncl/lhr/newcastle-to-london) - [Flights from Tokyo (NRT) to London (LHR)](https://www.expedia.ca/lp/flights/nrt/lhr/tokyo-to-london) - [Flights from Ontario (ONT) to London (LHR)](https://www.expedia.ca/lp/flights/ont/lhr/ontario-to-london) - [Flights from Porto (OPO) to London (LHR)](https://www.expedia.ca/lp/flights/opo/lhr/porto-to-london) - [Flights from Chicago (ORD) to London (LHR)](https://www.expedia.ca/lp/flights/ord/lhr/chicago-to-london) - [Flights from Beijing (PEK) to London (LHR)](https://www.expedia.ca/lp/flights/pek/lhr/beijing-to-london) - [Flights from Prague (PRG) to London (LHR)](https://www.expedia.ca/lp/flights/prg/lhr/prague-to-london) - [Flights from Shanghai (PVG) to London (LHR)](https://www.expedia.ca/lp/flights/pvg/lhr/shanghai-to-london) - [Flights from San Francisco (SFO) to London (LHR)](https://www.expedia.ca/lp/flights/sfo/lhr/san-francisco-to-london) - [Flights from St. Thomas (STT) to London (LHR)](https://www.expedia.ca/lp/flights/stt/lhr/st-thomas-to-london) - [Flights from Sydney (SYD) to London (LHR)](https://www.expedia.ca/lp/flights/syd/lhr/sydney-to-london) - [Flights from Venice (VCE) to London (LCY)](https://www.expedia.ca/lp/flights/vce/lcy/venice-to-london) - [Flights from Venice (VCE) to London (LHR)](https://www.expedia.ca/lp/flights/vce/lhr/venice-to-london) - [Flights from Vienna (VIE) to London (LHR)](https://www.expedia.ca/lp/flights/vie/lhr/vienna-to-london) - [Flights from Valencia (VLC) to London (LHR)](https://www.expedia.ca/lp/flights/vlc/lhr/valencia-to-london) - [Flights from Warsaw (WAW) to London (LCY)](https://www.expedia.ca/lp/flights/waw/lcy/warsaw-to-london) - [Flights from Warsaw (WAW) to London (LHR)](https://www.expedia.ca/lp/flights/waw/lhr/warsaw-to-london) - [Flights from Nanaimo (YCD) to London (LHR)](https://www.expedia.ca/lp/flights/ycd/lhr/nanaimo-to-london) - [Flights from Edmonton (YEG) to London (LCY)](https://www.expedia.ca/lp/flights/yeg/lcy/edmonton-to-london) - [Flights from Fredericton (YFC) to London (LHR)](https://www.expedia.ca/lp/flights/yfc/lhr/fredericton-to-london) - [Flights from Halifax (YHZ) to London (LCY)](https://www.expedia.ca/lp/flights/yhz/lcy/halifax-to-london) - [Flights from Kamloops (YKA) to London (LHR)](https://www.expedia.ca/lp/flights/yka/lhr/kamloops-to-london) - [Flights from Kitchener (YKF) to London (LHR)](https://www.expedia.ca/lp/flights/ykf/lhr/kitchener-to-london) - [Flights from Kelowna (YLW) to London (LCY)](https://www.expedia.ca/lp/flights/ylw/lcy/kelowna-to-london) - [Flights from Ottawa (YOW) to London (LCY)](https://www.expedia.ca/lp/flights/yow/lcy/ottawa-to-london) - [Flights from Québec (YQB) to London (LHR)](https://www.expedia.ca/lp/flights/yqb/lhr/quebec-to-london) - [Flights from Windsor (YQG) to London (LHR)](https://www.expedia.ca/lp/flights/yqg/lhr/windsor-to-london) - [Flights from Moncton (YQM) to London (LHR)](https://www.expedia.ca/lp/flights/yqm/lhr/moncton-to-london) - [Flights from Comox (YQQ) to London (LCY)](https://www.expedia.ca/lp/flights/yqq/lcy/comox-to-london) - [Flights from Thunder Bay (YQT) to London (LHR)](https://www.expedia.ca/lp/flights/yqt/lhr/thunder-bay-to-london) - [Flights from Grande Prairie (YQU) to London (LHR)](https://www.expedia.ca/lp/flights/yqu/lhr/grande-prairie-to-london) - [Flights from Saint John (YSJ) to London (LHR)](https://www.expedia.ca/lp/flights/ysj/lhr/saint-john-to-london) - [Flights from Montreal (YUL) to London (LCY)](https://www.expedia.ca/lp/flights/yul/lcy/montreal-to-london) - [Flights from Vancouver (YVR) to London (LCY)](https://www.expedia.ca/lp/flights/yvr/lcy/vancouver-to-london) - [Flights from Winnipeg (YWG) to London (LCY)](https://www.expedia.ca/lp/flights/ywg/lcy/winnipeg-to-london) - [Flights from Prince George (YXS) to London (LHR)](https://www.expedia.ca/lp/flights/yxs/lhr/prince-george-to-london) - [Flights from London (YXU) to London (LHR)](https://www.expedia.ca/lp/flights/yxu/lhr/london-to-london) - [Flights from Abbotsford (YXX) to London (LHR)](https://www.expedia.ca/lp/flights/yxx/lhr/abbotsford-to-london) - [Flights from Calgary (YYC) to London (LCY)](https://www.expedia.ca/lp/flights/yyc/lcy/calgary-to-london) - [Flights from Charlottetown (YYG) to London (LHR)](https://www.expedia.ca/lp/flights/yyg/lhr/charlottetown-to-london) - [Flights from Victoria (YYJ) to London (LCY)](https://www.expedia.ca/lp/flights/yyj/lcy/victoria-to-london) - [Flights from St. John's (YYT) to London (LHR)](https://www.expedia.ca/lp/flights/yyt/lhr/st-johns-to-london) - [Flights from Toronto (YYZ) to London (LCY)](https://www.expedia.ca/lp/flights/yyz/lcy/toronto-to-london) - [Flights from Zürich (ZRH) to London (LCY)](https://www.expedia.ca/lp/flights/zrh/lcy/zurich-to-london) - [Flights from Zürich (ZRH) to London (LHR)](https://www.expedia.ca/lp/flights/zrh/lhr/zurich-to-london) \*Available to Expedia members.