Title: £49 Cheap British Airways flights from London to Dublin (LHR→DUB) - Expedia.co.uk ![Moment RF](https://images.trvl-media.com/place/1069/6b465f6b-4c05-4ac8-bce6-22ba33b97f11.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1069/6b465f6b-4c05-4ac8-bce6-22ba33b97f11.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £49 Cheap British Airways flights from London to Dublin (LHR→DUB) [View £49 flight on Sat, 21 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LHR,to:DUB,departure:21/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:48.80&airProductToken=AQowCi4IwoIBEgM4MzgY64kBIIMNKJGeiAMw5p6IAzhPQABYAWoFTk9CQUdyBU9aMFJPEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) - [Return](?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 25% 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.co.uk/login) ## British Airways flights from London to Dublin (LHR→DUB) Prices were available within the past 7 days and start at £49 for one-way flights and £73 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Sat, 31 Jan - Wed, 4 Feb LHR London DUB Dublin £73 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DUB,departure:31/01/2026TANYT&leg2=from:DUB,to:LHR,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:72.10&airProductToken=AQovCi0IwoIBEgM4MzgY64kBIIMNKPH2gwMwxveDAzhPQABYAWoFTk9CQUdyBE9aMFIKMgowCMKCARIDODM5GIMNIOuJASj4pIQDMMilhAM4UUAAWAFqBU5PQkFHcgdRT00wWjBSEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Fri, 23 Jan - Sun, 25 Jan LHR London DUB Dublin £74 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DUB,departure:23/01/2026TANYT&leg2=from:DUB,to:LHR,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:73.10&airProductToken=AQoyCjAIwoIBEgM4MjQY64kBIIMNKKaXgwMw-5eDAzhRQABYAWoFTk9CQUdyB1FPTTBaMFIKMgowCMKCARIDODM5GIMNIOuJASi4tIMDMIi1gwM4UUAAWAFqBU5PQkFHcgdRT00wWjBSEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Sat, 7 Feb - Tue, 24 Feb LHR London DUB Dublin £74 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DUB,departure:07/02/2026TANYT&leg2=from:DUB,to:LHR,departure:24/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:73.67&airProductToken=AQovCi0IwoIBEgM4MzgY64kBIIMNKNHFhAMwpsaEAzhPQABYAWoFTk9CQUdyBE9aMFIKMgowCMKCARIDODI5GIMNIOuJASivgYYDMI6ChgM4UUAAWAFqBU5PQkFHcgdRT00wWjBSEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Sat, 31 Jan - Tue, 3 Feb LHR London DUB Dublin £75 Return found 19 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DUB,departure:31/01/2026TANYT&leg2=from:DUB,to:LHR,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:74.62&airProductToken=AQovCi0IwoIBEgM4MzQY64kBIIMNKML1gwMwnPaDAzhPQABYAWoFTk9CQUdyBE9aMFIKMgowCMKCARIDODI1GIMNIOuJASiSlIQDMPGUhAM4UUAAWAFqBU5PQkFHcgdRT00wWjBSEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, 21 Jan - Sun, 25 Jan LHR London DUB Dublin £76 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DUB,departure:21/01/2026TANYT&leg2=from:DUB,to:LHR,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:75.66&airProductToken=AQoyCjAIwoIBEgM4MzgY64kBIIMNKKeGgwMw_IaDAzhRQABYAWoFTk9CQUdyB1FPTTBaMFIKMgowCMKCARIDODM5GIMNIOuJASi4tIMDMIi1gwM4UUAAWAFqBU5PQkFHcgdRT00wWjBSEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Tue, 24 Feb - Wed, 25 Feb LHR London DUB Dublin £77 Return found 15 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DUB,departure:24/02/2026TANYT&leg2=from:DUB,to:LHR,departure:25/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:76.69&airProductToken=AQovCi0IwoIBEgM4MzQY64kBIIMNKMeDhgMwoYSGAzhPQABYAWoFTk9CQUdyBE9aMFIKLwotCMKCARIDODMxGIMNIOuJASjWjYYDMKuOhgM4T0AAWAFqBU5PQkFHcgRPWjBSEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ## Find the cheapest month to fly from London (LHR) to Dublin (DUB) ### November is typically the cheapest month to fly From £65 - £93 per traveller. ## Alternative airports near Dublin Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:DUB,departure:28/12/2025TANYT&leg2=from:DUB,to:LHR,departure:30/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) DUB Dublin Airport CheapestClosest 14 min [Flights from £261 ](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:DUB,departure:28/12/2025TANYT&leg2=from:DUB,to:LHR,departure:30/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flight from London to Dublin route information__ | Origin airport | Heathrow | | ------------------- | --------------------------------------------------------------------------------------------------------- | | Destination airport | Dublin | | Airlines serving | Aer Lingus, Air France, British Airways, Eurowings, Iberia, KLM, Lufthansa, Swiss International Air Lines | | Popular airline | Aer Lingus | | Distance | 445 km | | Average flight time | 1 hour 22 mins | ## Frequently asked questions ### How much is a British Airways flight from Heathrow Airport (LHR) to Dublin Airport (DUB)? ### What is the cheapest month to fly from LHR to DUB with British Airways? ### Does British Airways fly nonstop from Heathrow Airport (LHR) to Dublin Airport (DUB)? ### How long does it take to fly from LHR to DUB with British Airways? ### Which day of the week has the most British Airways flights from Heathrow Airport (LHR) to Dublin Airport (DUB)? ### What airports does British Airways fly into in Dublin? ### What kind of luggage can I take on a British Airways flight from Heathrow Airport (LHR) to Dublin Airport (DUB)? ### What type of plane does British Airways fly from Heathrow Airport (LHR) to Dublin Airport (DUB)? ### Can I change or cancel my British Airways flight from Heathrow Airport (LHR) to Dublin Airport (DUB)? ## Explore a world of travel with Expedia - Packages - [Ireland's Eye ](https://www.expedia.co.uk/Irelands-Eye-Dublin.d6086193.Attraction) \*Available to Expedia members.