Title: CA $355 Cheap Flights from Portland (PWM) 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 $355 Cheap Flights from Portland (PWM) to London (LON) [View CA $355 flight on Sat, May 16, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:PWM,to:LHR,departure:16/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:354.11&airProductToken=AQqnAQo-CMGGARIEMzQ2MxjPZSDEjQEo0ZaNAzC1l40DOExAAFgBagVCQVNJQ3IITEtJOTBVQlF6CgjVggESBDM0NjMKMgjBhgESBDg0OTMYxI0BIJhdKMGdjQMwop6NAzhMQAFYAWoFQkFTSUNyCExLSTkwVUJRCjEIwYYBEgM4NjYYmF0g64kBKLChjQMwyqSNAzhMQAFYAWoFQkFTSUNyCExLSTkwVUJREgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwDQ) - [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 Portland Intl. Jetport Airport (PWM) to London - ![](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:PWM,to:LON,departure:20/02/2026TANYT&leg2=from:LON,to:PWM,departure:27/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OS"}}]) - ![](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:PWM,to:LON,departure:20/02/2026TANYT&leg2=from:LON,to:PWM,departure:27/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:PWM,to:LON,departure:20/02/2026TANYT&leg2=from:LON,to:PWM,departure:27/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:PWM,to:LON,departure:20/02/2026TANYT&leg2=from:LON,to:PWM,departure:27/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:PWM,to:LON,departure:20/02/2026TANYT&leg2=from:LON,to:PWM,departure:27/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.ca/Flights-Search?leg1=from:PWM,to:LON,departure:20/02/2026TANYT&leg2=from:LON,to:PWM,departure:27/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SK.svg) SAS [](https://www.expedia.ca/Flights-Search?leg1=from:PWM,to:LON,departure:20/02/2026TANYT&leg2=from:LON,to:PWM,departure:27/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SK"}}]) - ![](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\* - ![](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\* - ![](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 Portland (PWM) to London (LON) Prices were available within the past 7 days and start at CA $355 for one-way flights and CA $847 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Mar 1 - Mon, Mar 16 PWM Portland LHR London CA $847 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:01/03/2026TANYT&leg2=from:LHR,to:PWM,departure:16/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:846.80&airProductToken=AQpFCiAIxJgBEgQ1NzA1GM9lIKlRKNe9hgMwsb6GAzhFQABYAQohCMSYARIENTk5NBipUSDriQEopL-GAzDcwoYDOEVAAVgBCmkKIgjEmAESBDk1ODYY64kBIICTASjh4ocDMKzjhwM4RUAAWAEKIQjEmAESBDkzNTgYgJMBIKlRKOXkhwMw1OiHAzhFQAFYAQogCMSYARIENTQxMRipUSDPZSjN6YcDMK_qhwM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Mar 2 - Thu, Mar 19 PWM Portland LHR London CA $885 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:02/03/2026TANYT&leg2=from:LHR,to:PWM,departure:19/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:884.30&airProductToken=AQpFCiEI1YIBEgQzNjEwGM9lIMSNASiayYYDMIjKhgM4TEAAWAEKIAjVggESAjE2GMSNASDriQEoxMqGAzD8zYYDOExAAVgBCkQKIAjVggESAjE1GOuJASDEjQEojoaIAzCRiogDOExAAFgBCiAI1YIBEgM1NDcYxI0BIM9lKPmKiAMwy4uIAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Tue, May 5 - Sun, May 17 PWM Portland LHR London CA $907 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:05/05/2026TANYT&leg2=from:LHR,to:PWM,departure:17/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:906.70&airProductToken=AQpCCh4IwmwSAzMwNxjPZSCpUSi4lIwDMIeVjAM4TEAAWAEKIAjCbBIEMTEwNxipUSDriQEo3ZWMAzCBmYwDOExAAVgBCkIKIAjCbBIEMjIyMBjriQEgqVEok5qNAzDynY0DOExAAFgBCh4IwmwSAzMwOBipUSDPZSj3oo0DMNijjQM4TEABWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Tue, Mar 31 - Mon, Apr 13 PWM Portland LHR London CA $928 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:31/03/2026TANYT&leg2=from:LHR,to:PWM,departure:13/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:927.70&airProductToken=AQpCCh4IwmwSAzUwNxjPZSCpUSjYiokDMKWLiQM4TEAAWAEKIAjCbBIEMTEwNxipUSDriQEo_YuJAzChj4kDOExAAVgBCkAKHgjCbBICMjAY64kBIKlRKK-digMwm6GKAzhMQABYAQoeCMJsEgMzMDgYqVEgz2Uox6SKAzCjpYoDOExAAVgBEgoIARABGAEqAkI2GAEiBAgBEAEoBDAB) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Sat, Apr 25 - Thu, May 7 PWM Portland LHR London CA $945 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:25/04/2026TANYT&leg2=from:LHR,to:PWM,departure:07/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:944.60&airProductToken=AQpFCiAIy5gBEgQ2MjI4GM9lIKlRKIuoiwMw5KiLAzhWQABYAQohCMuYARIEMjUwNRipUSDriQEon7CLAzC-s4sDOFZAAVgBCkIKHgjEmAESATQY64kBIKlRKLitjAMwpLGMAzhFQABYAQogCMSYARIENTQxMRipUSDPZSjqsowDMNKzjAM4RUABWAESCggBEAEYASoCS0wYASIECAEQASgEMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Sun, May 10 - Thu, May 28 PWM Portland LHR London CA $948 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:10/05/2026TANYT&leg2=from:LHR,to:PWM,departure:28/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:947.30&airProductToken=AQpCCh4IwmwSAzMwNxjPZSCpUSjYzIwDMKfNjAM4TEAAWAEKIAjCbBIEMTEwNxipUSDriQEo_c2MAzCh0YwDOExAAVgBCkAKHgjCbBICMjAY64kBIKlRKM-XjgMwu5uOAzhMQABYAQoeCMJsEgM1MDgYqVEgz2UooKWOAzDzpY4DOExAAVgBEgoIARABGAEqAkI2GAEiBAgBEAEoBDAB) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Mon, Mar 30 - Mon, Apr 13 PWM Portland LHR London CA $948 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:30/03/2026TANYT&leg2=from:LHR,to:PWM,departure:13/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:947.70&airProductToken=AQpCCh4IwmwSAzUwNxjPZSCpUSi4_4gDMIuAiQM4TEAAWAEKIAjCbBIEMTEwNxipUSDriQEo3YCJAzCBhIkDOExAAVgBCkAKHgjCbBICMjAY64kBIKlRKK-digMwm6GKAzhMQABYAQoeCMJsEgMzMDgYqVEgz2Uox6SKAzCjpYoDOExAAVgBEgoIARABGAEqAkI2GAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Mar 15 - Wed, Apr 1 PWM Portland LHR London CA $951 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:15/03/2026TANYT&leg2=from:LHR,to:PWM,departure:01/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:950.70&airProductToken=AQpFCiAIxJgBEgQ1Mjc3GM9lIKlRKPHWhwMwy9eHAzhFQABYAQohCMSYARIENTk5NhipUSDriQEooNiHAzC624cDOEVAAVgBCkIKHgjEmAESATQY64kBIKlRKLiYiQMwoZyJAzhFQABYAQogCMSYARIENTQxMRipUSDPZSjNnYkDMK-eiQM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Thu, Apr 30 - Tue, May 12 PWM Portland LHR London CA $955 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:30/04/2026TANYT&leg2=from:LHR,to:PWM,departure:12/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:954.70&airProductToken=AQo_Ch4IwmwSAzMwNxjPZSCpUSiY3IsDMOfciwM4TEAAWAEKHQjCbBIBNxipUSDriQEolOOLAzDe5osDOExAAVgBCkAKHgjCbBICMjAY64kBIKlRKM_jjAMwu-eMAzhMQABYAQoeCMJsEgMzMDgYqVEgz2Uo1-qMAzC464wDOExAAVgBEgoIARABGAEqAkI2GAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, May 16 - Tue, May 26 PWM Portland LHR London CA $1,053 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:16/05/2026TANYT&leg2=from:LHR,to:PWM,departure:26/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1052.31&airProductToken=AQpzCjEIwYIBEgQ2MTI1GM9lIO9ZKLuWjQMwpZeNAzhCQABYAWoFQkFTSUNyCFFLWDhDMUJWCj4IwYIBEgQ2OTExGO9ZIOuJASi1oY0DMN6kjQM4UUABWAFqBUJBU0lDcghRS1g4QzFCVnoKCMKCARIENjkxMQpzCj4IwYIBEgQ3MDA0GOuJASCuHCjigI4DMOqEjgM4T0AAWAFqBUJBU0lDcghPS1g5QzlCVnoKCMKCARIENzAwNAoxCMGCARIENDc3NBiuHCDPZSjEhY4DMNuGjgM4QkABWAFqBUJBU0lDcghPS1g5QzlCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) __Flight from Portland to London (PWM - LHR) route information__ | Origin airport | Portland Intl. Jetport | | ------------------- | ---------------------- | | Destination airport | Heathrow | | Roundtrip price | CA $847 | | Distance | 5080 km | ## Portland to England Flights **The easy way to book your flights from Portland to London** With Expedia, it’s simple to find and book flights to London from Portland 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 Portland to London today, tomorrow, or this week. **Save dollars with cheap flights from Portland Intl. Jetport, PWM to LON-All Airports, LON** Sort your search results by price to find great deals on your flight from Portland to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Portland currently is just CA $847 rising to CA $1,053\. Here are more money-saving tips: - Fly in March 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 Portland** 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. \*Available to Expedia members.