Title: CA $418 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 $418 Cheap Flights from Portland (PWM) to London (LON) [View CA $418 flight on Wed, Jul 22, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:PWM,to:LHR,departure:22/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:417.90&airProductToken=AQpECiAI1qYBEgQyMjYyGM9lIOBcKNOFkwMw_oaTAzhUQABYAQogCNamARIDMTA0GOBcIOuJASjXh5MDMLeLkwM4VEABWAESCggBEAEYASoCVlMYASIECAEQASgEMAE) ## 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_B6.svg) JetBlue Airways [](https://www.expedia.ca/Flights-Search?leg1=from:PWM,to:LON,departure:06/04/2026TANYT&leg2=from:LON,to:PWM,departure:13/04/2026TANYT&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_OS.svg) Austrian Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:PWM,to:LON,departure:06/04/2026TANYT&leg2=from:LON,to:PWM,departure:13/04/2026TANYT&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:06/04/2026TANYT&leg2=from:LON,to:PWM,departure:13/04/2026TANYT&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_SK.svg) SAS [](https://www.expedia.ca/Flights-Search?leg1=from:PWM,to:LON,departure:06/04/2026TANYT&leg2=from:LON,to:PWM,departure:13/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SK"}}]) - ![](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:06/04/2026TANYT&leg2=from:LON,to:PWM,departure:13/04/2026TANYT&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_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:PWM,to:LON,departure:06/04/2026TANYT&leg2=from:LON,to:PWM,departure:13/04/2026TANYT&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_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:PWM,to:LON,departure:06/04/2026TANYT&leg2=from:LON,to:PWM,departure:13/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](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 $418 for one-way flights and CA $1,143 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, Sep 9 - Sun, Sep 13 PWM Portland LHR London CA $1,143 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:09/09/2026TANYT&leg2=from:LHR,to:PWM,departure:13/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1142.10&airProductToken=AQo_Ch4IwmwSAzQwNxjPZSCpUSiJrZcDMOOtlwM4TEAAWAEKHQjCbBIBNxipUSDriQEomLCXAzDes5cDOExAAVgBCkIKIAjCbBIEMjIyMBjriQEgqVEo89SXAzDc2JcDOExAAFgBCh4IwmwSAzMwOBipUSDPZSj-3JcDMN_dlwM4TEABWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, Sep 7 - Fri, Sep 18 PWM Portland LHR London CA $1,147 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:07/09/2026TANYT&leg2=from:LHR,to:PWM,departure:18/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1146.08&airProductToken=AQpoCjIIwYIBEgQxNzQ0GM9lIOKaASilmJcDML6ZlwM4QkAAWAFqBUJBU0lDcghPTFg5QzlCVgoyCMGCARIDNzM0GOKaASDriQEogZuXAzDmnpcDOEJAAVgBagVCQVNJQ3IIT0xYOUM5QlYKaAoyCMGCARIDNzMxGOuJASDimgEoz42YAzDrkZgDOEJAAFgBagVCQVNJQ3IIT0xYOUM5QlYKMgjBggESBDE3NDQY4poBIM9lKLaSmAMwx5OYAzhCQAFYAWoFQkFTSUNyCE9MWDlDOUJWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Sep 14 - Wed, Sep 30 PWM Portland LHR London CA $1,158 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:14/09/2026TANYT&leg2=from:LHR,to:PWM,departure:30/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1157.10&airProductToken=AQpFCiAIxJgBEgQ1Mzk5GM9lIKlRKLvllwMwm-aXAzhFQABYAQohCMSYARIENTk5NBipUSDriQEoiOeXAzDA6pcDOEVAAVgBCkUKIQjEmAESBDU5NDIY64kBIKlRKOmXmQMw05uZAzhFQABYAQogCMSYARIENTQxMRipUSDPZSiMnZkDMO-dmQM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, Sep 9 - Thu, Sep 17 PWM Portland LHR London CA $1,163 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:09/09/2026TANYT&leg2=from:LHR,to:PWM,departure:17/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1162.10&airProductToken=AQo_Ch4IwmwSAzQwNxjPZSCpUSiJrZcDMOOtlwM4TEAAWAEKHQjCbBIBNxipUSDriQEomLCXAzDes5cDOExAAVgBCkAKHgjCbBICMjAY64kBIKlRKM-DmAMwwoeYAzhMQABYAQoeCMJsEgMzMDgYqVEgz2Uo_omYAzDfipgDOExAAVgBEgoIARABGAEqAkI2GAEiBAgBEAEoBDAB) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, Sep 9 - Sat, Sep 26 PWM Portland LHR London CA $1,164 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:09/09/2026TANYT&leg2=from:LHR,to:PWM,departure:26/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1163.10&airProductToken=AQo_Ch4IwmwSAzQwNxjPZSCpUSiJrZcDMOOtlwM4TEAAWAEKHQjCbBIBNxipUSDriQEomLCXAzDes5cDOExAAVgBCkAKHgjCbBICMjAY64kBIKlRKO_omAMw4uyYAzhMQABYAQoeCMJsEgMzMDgYqVEgz2Uonu-YAzD_75gDOExAAVgBEgoIARABGAEqAkI2GAEiBAgBEAEoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Sep 8 - Tue, Sep 22 PWM Portland LHR London CA $1,174 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:08/09/2026TANYT&leg2=from:LHR,to:PWM,departure:22/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1173.10&airProductToken=AQpGCiEI1YIBEgQzNjA0GM9lIMSNASj4nZcDMNSelwM4TEAAWAEKIQjVggESAzEyMhjEjQEg64kBKNmflwMw86KXAzhMQAFYAQpGCiEI1YIBEgMxMjMY64kBIMSNASj1uZgDMMa9mAM4TEAAWAEKIQjVggESBDM2ODUYxI0BIM9lKMK-mAMwkr-YAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, Sep 6 - Thu, Sep 24 PWM Portland LHR London CA $1,175 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:06/09/2026TANYT&leg2=from:LHR,to:PWM,departure:24/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1174.10&airProductToken=AQpGCiEI1YIBEgQzNjA0GM9lIMSNASi4h5cDMJSIlwM4TEAAWAEKIQjVggESAzEyMhjEjQEg64kBKJmJlwMws4yXAzhMQAFYAQpGCiEI1YIBEgMxMjMY64kBIMSNASi10JgDMIbUmAM4TEAAWAEKIQjVggESBDM2ODUYxI0BIM9lKPDUmAMwxtWYAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, Sep 16 - Sun, Sep 27 PWM Portland LHR London CA $1,184 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:16/09/2026TANYT&leg2=from:LHR,to:PWM,departure:27/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1183.10&airProductToken=AQo_Ch4IwmwSAzQwNxjPZSCpUSjp-5cDMMP8lwM4TEAAWAEKHQjCbBIBNxipUSDriQEo-P6XAzC-gpgDOExAAVgBCkAKHgjCbBICMjAY64kBIKlRKI_0mAMwgviYAzhMQABYAQoeCMJsEgMzMDgYqVEgz2UovvqYAzCf-5gDOExAAVgBEgoIARABGAEqAkI2GAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Aug 29 - Wed, Sep 9 PWM Portland LHR London CA $1,184 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:29/08/2026TANYT&leg2=from:LHR,to:PWM,departure:09/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1183.77&airProductToken=AQpzCjEIwYIBEgQyMTU4GM9lIO9ZKNexlgMwwrKWAzhCQABYAWoFQkFTSUNyCE9LVzlDOUJWCj4IwYIBEgQ2OTExGO9ZIOuJASi1s5YDMN62lgM4T0ABWAFqBUJBU0lDcghPS1c5QzlCVnoKCMKCARIENjkxMRIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Sun, Aug 30 - Tue, Sep 8 PWM Portland LHR London CA $1,296 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PWM,to:LHR,departure:30/08/2026TANYT&leg2=from:LHR,to:PWM,departure:08/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1295.27&airProductToken=AQqBAQo-CMuYARIENTMzMxjPZSDjtAEo4r2WAzDsvpYDOFJAAFgBagVMSUdIVHIIUktYMDZTQkF6CgjEmAESBDUzMzMKPwjLmAESBDYwNzcY47QBIOuJASj1yZYDMLLNlgM4UkABWAFqBUxJR0hUcghSS1gwNlNCQXoKCMSYARIENjA3NwqnAQozCMuYARIEMTAwNhjriQEggJMBKKWelwMw9Z6XAzhMQABYAWoFTElHSFRyCFZMWDkxU0JBCjEIy5gBEgM2NDMYgJMBIKlRKKmglwMwiaSXAzhWQAFYAWoFTElHSFRyCFZMWDkxU0JBCj0Iy5gBEgQ2NjI2GKlRIM9lKMyllwMwr6aXAzhWQAFYAWoFTElHSFRyCFZMWDkxU0JBegoIxJgBEgQ2NjI2EgoIARABGAEqAktMGAEiBAgBEAEoAigDKAQwDQ) ## Travel information | Origin airport | Portland Intl. Jetport | | ------------------- | ---------------------- | | Destination airport | Heathrow | | Roundtrip price | CA $1,142 | | Distance | 5080 km | ## Book with confidence # 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 $1,143 rising to CA $1,296\. Here are more money-saving tips: - Fly in September 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.