Title: CA $308 Cheap Aer Lingus fights from Boston to London - 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 $308 Cheap Aer Lingus fights from Boston (BOS) to London (LON) [View CA $308 flight on Thu, Nov 6, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:BOS,to:LHR,departure:06/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:307.64&airProductToken=AQpkCjAIxZIBEgMxMzQYwZMBILJrKJmy_AIw_LT8AjhRQABYAWoEU0FWUnIIUUxOOEQ0QlYKMAjFkgESAzM4MBiyayDriQEo1rX8AjCrtvwCOFBAAVgBagRTQVZScghRTE44RDRCVhIKCAEQARgBKgJFSRgBIgQIARABKAIoAygEMA0) - [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 ![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) ## Aer Lingus flights from Boston to London (BOS→LON) Prices were available within the past 7 days and start at CA $308 for one-way flights and CA $650 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Tue, Oct 28 - Wed, Nov 5 BOS Boston LHR London CA $650 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:28/10/2025TANYT&leg2=from:LHR,to:BOS,departure:05/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:649.63&airProductToken=AQpkCjAIxZIBEgMxMzQYwZMBILJrKPnM-wIw3M_7AjhPQABYAWoEU0FWUnIIT0xOMEMyQlYKMAjFkgESAzM4MBiyayDriQEottD7AjCL0fsCOFpAAVgBagRTQVZScghPTE4wQzJCVgpkCjAIxZIBEgMzODEY64kBILJrKJig_AIw8qD8AjhBQABYAWoEU0FWUnIIT0xOMEMyQlYKMAjFkgESAzEzNRiyayDBkwEotaL8AjDepfwCOE9AAVgBagRTQVZScghPTE4wQzJCVhIKCAEQARgBKgJFSRgBIgQIARABKAIoAygEMA0) ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Mon, Dec 8 - Tue, Jan 20 BOS Boston LHR London CA $652 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:08/12/2025TANYT&leg2=from:LHR,to:BOS,departure:20/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:651.03&airProductToken=AQpkCjAIxZIBEgMxMzQYwZMBILJrKJma_wIw_Jz_AjhPQABYAWoEU0FWUnIIT0xOMEMyQlYKMAjFkgESAzM4MBiyayDriQEo1p3_AjCrnv8COEFAAVgBagRTQVZScghPTE4wQzJCVgpkCjAIxZIBEgMzODEY64kBILJrKJj3ggMw8veCAzhHQABYAWoEU0FWUnIIT0xOMEMyQlYKMAjFkgESAzEzNRiyayDBkwEotfmCAzDe_IIDOE9AAVgBagRTQVZScghPTE4wQzJCVhIKCAEQARgBKgJFSRgBIgQIARABKAIoAygEMA0) ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Wed, Nov 5 - Wed, Nov 12 BOS Boston LHR London CA $653 Roundtrip found 1 hour ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:05/11/2025TANYT&leg2=from:LHR,to:BOS,departure:12/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:652.20&airProductToken=AQpkCjAIxZIBEgMxMzQYwZMBILJrKPmm_AIw3Kn8AjhPQABYAWoEU0FWUnIIT0xOMEMyQlYKMAjFkgESAzM4MBiyayDriQEotqr8AjCLq_wCOEFAAVgBagRTQVZScghPTE4wQzJCVgpkCjAIxZIBEgMzODEY64kBILJrKPju_AIw0u_8AjhBQABYAWoEU0FWUnIIT0xOMEMyQlYKMAjFkgESAzEzNRiyayDBkwEolfH8AjC-9PwCOE9AAVgBagRTQVZScghPTE4wQzJCVhIKCAEQARgBKgJFSRgBIgQIARABKAIoAygEMA0) ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Tue, Oct 28 - Wed, Nov 5 BOS Boston LHR London CA $654 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:28/10/2025TANYT&leg2=from:LHR,to:BOS,departure:05/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:653.50&airProductToken=AQpkCjAIxZIBEgMxMzQYwZMBILJrKPnM-wIw3M_7AjhPQABYAWoEU0FWUnIIT0xOMEMyQlYKMAjFkgESAzM4MBiyayDriQEottD7AjCL0fsCOFpAAVgBagRTQVZScghPTE4wQzJCVgpkCjAIxZIBEgMxNTMY64kBIIMNKNKf_AIwp6D8AjhHQABYAWoEU0FWUnIIT0xOMEMyQlYKMAjFkgESAzEzMxiDDSDBkwEo_KD8AjCvpPwCOE9AAVgBagRTQVZScghPTE4wQzJCVhIKCAEQARgBKgJFSRgBIgQIARABKAIoAygEMA0) ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Thu, Nov 6 - Tue, Nov 18 BOS Boston LHR London CA $655 Roundtrip found 17 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:06/11/2025TANYT&leg2=from:LHR,to:BOS,departure:18/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:654.71&airProductToken=AQpkCjAIxZIBEgMxMzIYwZMBIIMNKJKx_AIw_7P8AjhPQABYAWoEU0FWUnIIT0xOMEMyQlYKMAjFkgESAzE1NhiDDSDriQEojbb8AjDitvwCOFFAAVgBagRTQVZScghPTE4wQzJCVgpkCjAIxZIBEgMzODEY64kBILJrKLiy_QIwkrP9AjhBQABYAWoEU0FWUnIIT0xOMEMyQlYKMAjFkgESAzEzNRiyayDBkwEo1bT9AjD-t_0COE9AAVgBagRTQVZScghPTE4wQzJCVhIKCAEQARgBKgJFSRgBIgQIARABKAIoAygEMA0) ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Mon, Dec 8 - Tue, Jan 20 BOS Boston LHR London CA $656 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:08/12/2025TANYT&leg2=from:LHR,to:BOS,departure:20/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:655.72&airProductToken=AQpkCjAIxZIBEgMxMzIYwZMBIIMNKJKZ_wIw_5v_AjhPQABYAWoEU0FWUnIIT0xOMEMyQlYKMAjFkgESAzE1NBiDDSDriQEox53_AjChnv8COFBAAVgBagRTQVZScghPTE4wQzJCVgpkCjAIxZIBEgMzODEY64kBILJrKJj3ggMw8veCAzhHQABYAWoEU0FWUnIIT0xOMEMyQlYKMAjFkgESAzEzNRiyayDBkwEotfmCAzDe_IIDOE9AAVgBagRTQVZScghPTE4wQzJCVhIKCAEQARgBKgJFSRgBIgQIARABKAIoAygEMA0) Flight from Boston to London (BOS - LHR) route information | Origin airport | Logan Intl. | | --- | --- | | Destination airport | Heathrow | | Distance | 5210 km | ## Explore a world of travel with Expedia \*Available to Expedia members.