Title: CA $436 Cheap Flights from Ottawa (YOW) to London (LGW) - 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 (LGW) [View CA $436 flight on Fri, May 22, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YOW,to:LGW,departure:22/05/2026TANYT&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=AQqbAQoyCNemARIDNTg5GNizASCYzgEo09ONAzCY1I0DOEVAAFgBagVCQVNJQ3IITEs3RDBUQksKMgjXpgESAzc4MBiYzgEgmJ4BKLzZjQMw9dqNAzhFQAFYAWoFQkFTSUNyCExLN0QwVEJLCjEI16YBEgI1MBiYngEgy7EBKNTbjQMwhd6NAzhFQAFYAWoFQkFTSUNyCExLN0QwVEJLEgoIARABGAEqAldTGAEiBAgBEAEoAigDKAQwAQ) - [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 Gatwick Airport (LGW) - ![Air Transat](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TS.svg) Air Transat [](https://www.expedia.ca/Flights-Search?leg1=from:yow,to:lgw,departure:12/11/2025TANYT&leg2=from:lgw,to:yow,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TS"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:yow,to:lgw,departure:12/11/2025TANYT&leg2=from:lgw,to:yow,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![TAP Portugal](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TP.svg) TAP Portugal [](https://www.expedia.ca/Flights-Search?leg1=from:yow,to:lgw,departure:12/11/2025TANYT&leg2=from:lgw,to:yow,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TP"}}]) - ![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:lgw,departure:12/11/2025TANYT&leg2=from:lgw,to:yow,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![Turkish Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:yow,to:lgw,departure:12/11/2025TANYT&leg2=from:lgw,to:yow,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:yow,to:lgw,departure:12/11/2025TANYT&leg2=from:lgw,to:yow,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) ![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 (LGW) Prices were available within the past 7 days and start at CA $436 for one-way flights and CA $860 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Wed, Dec 3 - Wed, Dec 10 YOW Ottawa LGW London CA $860 Roundtrip found 1 hour ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LGW,departure:03/12/2025TANYT&leg2=from:LGW,to:YOW,departure:10/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:859.85&airProductToken=AQpnCjEI0IgBEgMxNjAY2LMBIJjOASjw3_4CML7g_gI4TUAAWAFqBUJBU0lDcgdNMEJTQzNDCjII0IgBEgQ3MTIyGJjOASDLsQEo--L-AjCp5v4COE1AAVgBagVCQVNJQ3IHTTBCU0MzQwpnCjII0IgBEgQ3MTIzGMuxASCYzgEo3Kr_AjDQrv8COE1AAFgBagVCQVNJQ3IHTTBCU0MzQwoxCNCIARIDMTY3GJjOASDYswEo16__AjCdsP8COE1AAVgBagVCQVNJQ3IHTTBCU0MzQxIKCAEQARgBKgJQRBgBIgQIARABKAIoAygEMAE) ![Air Transat](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TS.gif) Fri, Feb 27 - Sun, Mar 8 YOW Ottawa LGW London CA $860 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:08/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:859.91&airProductToken=AQpjCjAI1KYBEgQ3ODU1GNizASCYzgEom6mGAzDmqYYDOFhAAFgBagNCR1RyB1gwQkdUM0MKLwjUpgESAzEyMhiYzgEgy7EBKLuqhgMw6a2GAzhYQAFYAWoDQkdUcgdYMEJHVDNDCmMKLwjUpgESAzEyMxjLsQEgmM4BKNyIhwMw0IyHAzhYQABYAWoDQkdUcgdYMEJHVDNDCjAI1KYBEgQ3NDQ4GJjOASDYswEo3JeHAzCjmIcDOFhAAVgBagNCR1RyB1gwQkdUM0MSCggBEAEYASoCVFMYASIECAEQASgCKAMoBDAN) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Wed, Nov 12 - Wed, Nov 26 YOW Ottawa LGW London CA $880 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LGW,departure:12/11/2025TANYT&leg2=from:LGW,to:YOW,departure:26/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:879.85&airProductToken=AQpnCjEI0IgBEgMxNjIY2LMBIJjOASi79fwCMIT2_AI4V0AAWAFqBUJBU0lDcgdXMEJTQzNDCjII0IgBEgQ3MTIyGJjOASDLsQEo2_b8AjCJ-vwCOFdAAVgBagVCQVNJQ3IHVzBCU0MzQwpnCjII0IgBEgQ3MTIzGMuxASCYzgEonI3-AjCQkf4COE1AAFgBagVCQVNJQ3IHTTBCU0MzQwoxCNCIARIDMTY3GJjOASDYswEol5L-AjDckv4COE1AAVgBagVCQVNJQ3IHTTBCU0MzQxIKCAEQARgBKgJQRBgBIgQIARABKAIoAygEMAE) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Tue, Mar 10 - Wed, Mar 18 YOW Ottawa LGW London CA $900 Roundtrip found 1 hour ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LGW,departure:10/03/2026TANYT&leg2=from:LGW,to:YOW,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:899.85&airProductToken=AQpHCiEI0IgBEgMxNjIY2LMBIJjOASj7pIcDMMalhwM4V0AAWAEKIgjQiAESBDcxMjIYmM4BIMuxASjXpocDMMmphwM4V0ABWAEKRwoiCNCIARIENzEyMxjLsQEgmM4BKJz5hwMwzP2HAzhXQABYAQohCNCIARIDMTc5GJjOASDYswEojoGIAzDVgYgDOFdAAVgBEgoIARABGAEqAlBEGAEiBAgBEAEoBDAB) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Wed, Dec 3 - Mon, Dec 8 YOW Ottawa LGW London CA $905 Roundtrip found 2 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LGW,departure:03/12/2025TANYT&leg2=from:LGW,to:YOW,departure:08/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:904.85&airProductToken=AQpnCjEI0IgBEgMxNjAY2LMBIJjOASjw3_4CML7g_gI4TUAAWAFqBUJBU0lDcgdNMEJTQzNDCjII0IgBEgQ3MTIyGJjOASDLsQEo--L-AjCp5v4COE1AAVgBagVCQVNJQ3IHTTBCU0MzQwpnCjII0IgBEgQ3MTIzGMuxASCYzgEonJT_AjCQmP8COFpAAFgBagVCQVNJQ3IHWjBCU0MzQwoxCNCIARIDMTY3GJjOASDYswEol5n_AjDdmf8COFpAAVgBagVCQVNJQ3IHWjBCU0MzQxIKCAEQARgBKgJQRBgBIgQIARABKAIoAygEMAE) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Thu, Feb 26 - Wed, Mar 4 YOW Ottawa LGW London CA $920 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LGW,departure:26/02/2026TANYT&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:919.85&airProductToken=AQpnCjEI0IgBEgMxNjIY2LMBIJjOASj7nYYDMMaehgM4TUAAWAFqBUJBU0lDcgdNMEJTQzNDCjII0IgBEgQ3MTIyGJjOASDLsQEom5-GAzDJooYDOE1AAVgBagVCQVNJQ3IHTTBCU0MzQwpnCjII0IgBEgQ3MTIzGMuxASCYzgEo3NuGAzDQ34YDOE1AAFgBagVCQVNJQ3IHTTBCU0MzQwoxCNCIARIDMTY3GJjOASDYswEo1-CGAzCe4YYDOE1AAVgBagVCQVNJQ3IHTTBCU0MzQxIKCAEQARgBKgJQRBgBIgQIARABKAIoAygEMAE) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Fri, Jan 30 - Wed, Feb 4 YOW Ottawa LGW London CA $922 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LGW,departure:30/01/2026TANYT&leg2=from:LGW,to:YOW,departure:04/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:921.45&airProductToken=AQpHCiEI0IgBEgMxNTgY2LMBIJjOASiE6oMDMM_qgwM4TUAAWAEKIgjQiAESBDcxMjIYmM4BIMuxASi774MDMOnygwM4TUABWAEKRwoiCNCIARIENzEyMxjLsQEgmM4BKNyghAMw0KSEAzhNQABYAQohCNCIARIDMTY3GJjOASDYswEo16WEAzCepoQDOE1AAVgBEgoIARABGAEqAlBEGAEiBAgBEAEoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, Jan 8 - Sun, Jan 18 YOW Ottawa LGW London CA $936 Roundtrip found 20 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LGW,departure:08/01/2026TANYT&leg2=from:LGW,to:YOW,departure:18/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:935.17&airProductToken=AQqaAQoyCMGGARIEODAwNhjYswEgmF0o9vKBAzCo84EDOEtAAFgBagVCQVNJQ3IIS0oxQVhVQlEKMQjBhgESBDY4MjAYmF0guTwo2fWBAzCb-YEDOEtAAVgBagVCQVNJQ3IIS0oxQVhVQlEKMQjMsAESAzQzMhi5PCDLsQEopf6BAzCO_4EDOEtAAVgBagVCQVNJQ3IIS0oxQVhVQlEKoQEKNAjMsAESAzQzMxjLsQEguTwo4OSCAzDJ5YIDOEtAAFgBaghFQ09MSUdIVHIIS0oxQVhVQlEKMgjMsAESAjg2GLk8IJhdKNzsggMw2vCCAzhLQAFYAWoIRUNPTElHSFRyCEtKMUFYVUJRCjUIzLABEgQ0NjgyGJhdINizASi-8YIDMPLxggM4S0ABWAFqCEVDT0xJR0hUcghLSjFBWFVCURIKCAIQARgCKgJBQxgBIgQIARABKAIoAygEMAE) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Thu, Jan 8 - Sun, Jan 18 YOW Ottawa LGW London CA $945 Roundtrip found 20 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LGW,departure:08/01/2026TANYT&leg2=from:LGW,to:YOW,departure:18/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:944.21&airProductToken=AQqhAQo1CMywARIENDg5ORjYswEgmF0o9vKBAzCo84EDOEtAAFgBaghFQ09MSUdIVHIIS0oxQVhVQlEKMgjMsAESAjg3GJhdILk8KNn1gQMwm_mBAzhLQAFYAWoIRUNPTElHSFRyCEtKMUFYVUJRCjQIzLABEgM0MzIYuTwgy7EBKKX-gQMwjv-BAzhLQAFYAWoIRUNPTElHSFRyCEtKMUFYVUJRCpoBCjEIzLABEgM0MzMYy7EBILk8KODkggMwyeWCAzhLQABYAWoFQkFTSUNyCEtKMUFYVUJRCjEIwYYBEgM4ODEYuTwgmM4BKITtggMwpfGCAzhLQAFYAWoFQkFTSUNyCEtKMUFYVUJRCjIIwYYBEgM0NjIYmM4BINizASiO8oIDMNLyggM4S0ABWAFqBUJBU0lDcghLSjFBWFVCURIKCAIQARgCKgJBQxgBIgQIARABKAIoAygEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Jan 21 - Wed, Feb 11 YOW Ottawa LGW London CA $975 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LGW,departure:21/01/2026TANYT&leg2=from:LGW,to:YOW,departure:11/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:974.77&airProductToken=AQqhAQo1CNWCARIEMzYxORjYswEgiBgo44aDAzDZh4MDOEtAAFgBaghFQ09CQVNJQ3IIS0oxQVhVQlEKMgjVggESAjUyGIgYILk8KLWIgwMwkIyDAzhLQAFYAWoIRUNPQkFTSUNyCEtKMUFYVUJRCjQIzLABEgM0MzIYuTwgy7EBKMWQgwMwrpGDAzhLQAFYAWoIRUNPQkFTSUNyCEtKMUFYVUJRCpoBCjEIzLABEgM0MzMYy7EBILk8KODyhAMwyfOEAzhLQABYAWoFQkFTSUNyCEtKMUFYVUJRCjEIwYYBEgQ2ODIxGLk8IJhdKNz6hAMw2v6EAzhLQAFYAWoFQkFTSUNyCEtKMUFYVUJRCjIIwYYBEgQ4MDExGJhdINizASi-_4QDMPL_hAM4S0ABWAFqBUJBU0lDcghLSjFBWFVCURIKCAIQARgCKgJVQRgBIgQIARABKAIoAygEMAE) ## Find the cheapest month to fly from Ottawa (YOW) to London (LGW) ### June is typically the cheapest month to fly From CA $774 - CA $1,376 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:12/11/2025TANYT&leg2=from:LHR,to:YOW,departure:26/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LHR Heathrow 28 min [Flights from CA $915](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:LHR,departure:12/11/2025TANYT&leg2=from:LHR,to:YOW,departure:26/11/2025TANYT&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:LCY,departure:12/11/2025TANYT&leg2=from:LCY,to:YOW,departure:26/11/2025TANYT&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 $1,007](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:LCY,departure:12/11/2025TANYT&leg2=from:LCY,to:YOW,departure:26/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much is a flight from Ottawa International Airport to LGW? > Round-trip journeys between Ottawa International Airport and London Gatwick start from CA $860. This is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book today so you don't miss out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Ottawa Intl. Airport to Gatwick Airport (LGW)? > This can vary from airline to airline, as each one has its own terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where there are easy-to-follow instructions on how to cancel online. ### How do I find cheap flights from YOW to London Gatwick that have flexible change policies? > Flights from Ottawa International Airport to LGW offering flexible change policies are available from several airlines. Simply use our "No change fees" filter during your search. You'll only need to cover the cost difference between flights, with no added fees to worry about. ### How far is the flight from Macdonald-Cartier Intl. Airport (YOW) to LGW? > You'll have 5,400 kilometres to cover on the long-haul Ottawa to Gatwick route. Wear layers of comfy clothes and consider taking a travel pillow with you. ### Which airlines fly direct from Ottawa Intl. Airport to LGW? > Right now, no airlines offer direct flights from YOW to London Gatwick. You'll have to book a flight with one or more stops. To get the best connections and price, lock in your airfare ahead of time. ### Are Ottawa Intl. Airport to London Gatwick flight tickets cheaper when they're purchased at the last minute? > Booking last minute from Ottawa International Airport to Gatwick Airport (LGW) can be hit-or-miss. It is possible to score a bargain, but you could also miss out completely! If you'd prefer to start planning your trip early on, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines issue their prices so far in advance. Our advice? Check back often as prices are updated frequently. ## Travel information | Origin airport | Macdonald-Cartier Intl. | | --- | --- | | Destination airport | Gatwick | | Airlines serving | Air Transat, Porter Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, WestJet | | Roundtrip price | CA $860 | | Distance | 5347 km | ## Book with confidence ### Ottawa to Gatwick 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 Gatwick, 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 Gatwick, LGW**  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 $860 rising to CA $1,037.   Here are more money-saving tips:  - Fly in December 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 - Lodging - Flights - Cars - [Hotels near Gatwick Airport Station](https://www.expedia.ca/Gatwick-Airport-Station-Hotels.d6022186.Travel-Guide-Hotels) - [Hotels near Gatwick Express Station](https://www.expedia.ca/Gatwick-Express-Station-Hotels.d6042767.Travel-Guide-Hotels) - [Flights from Hanoi to Kingston Upon Thames](https://www.expedia.ca/lp/flights/1428/4380/hanoi-to-kingston-upon-thames) - [Flights from Amsterdam to Brighton](https://www.expedia.ca/lp/flights/178229/6046944/amsterdam-to-brighton) - [Flights from Boston to Brighton](https://www.expedia.ca/lp/flights/178239/6046944/boston-to-brighton) - [Flights from Calgary to Gatwick](https://www.expedia.ca/lp/flights/178245/182523/calgary-to-gatwick) - [Flights from Copenhagen to Brighton](https://www.expedia.ca/lp/flights/178252/6046944/copenhagen-to-brighton) - [Flights from Melbourne to Guildford](https://www.expedia.ca/lp/flights/178283/4648/melbourne-to-guildford) - 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