Title: £305 Cheap Flights from Washington to Dublin (IAD to 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) # £305 Cheap Flights from Washington (IAD) to Dublin (DUB) [View £305 flight on Tue, 17 Feb 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:IAD,to:DUB,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:304.30&airProductToken=AQp3CjMI1KABEgMyMzIYiBggi5IBKIa4hQMwr7uFAzhLQABYAWoHRElTQ0lOVHIIS0wwRFNJMDUKQAjUoAESBDEzMjYYi5IBIIMNKKnChQMw2MOFAzhLQABYAWoHRElTQ0lOVHIIS0wwRFNJMDV6CgjOkgESBDEzMjYSCggBEAEYASoCVFAYASIECAEQASgCKAMoBDAN) - [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 ## Popular airlines from Washington Dulles International Airport (IAD) to Dublin Airport (DUB) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:IAD,to:DUB,departure:12/02/2026TANYT&leg2=from:DUB,to:IAD,departure:19/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EI.svg) Aer Lingus [](https://www.expedia.co.uk/Flights-Search?leg1=from:IAD,to:DUB,departure:12/02/2026TANYT&leg2=from:DUB,to:IAD,departure:19/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EI"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg) Iberia [](https://www.expedia.co.uk/Flights-Search?leg1=from:IAD,to:DUB,departure:12/02/2026TANYT&leg2=from:DUB,to:IAD,departure:19/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TP.svg) TAP Portugal [](https://www.expedia.co.uk/Flights-Search?leg1=from:IAD,to:DUB,departure:12/02/2026TANYT&leg2=from:DUB,to:IAD,departure:19/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TP"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.co.uk/Flights-Search?leg1=from:IAD,to:DUB,departure:12/02/2026TANYT&leg2=from:DUB,to:IAD,departure:19/02/2026TANYT&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_FI.svg) Icelandair [](https://www.expedia.co.uk/Flights-Search?leg1=from:IAD,to:DUB,departure:12/02/2026TANYT&leg2=from:DUB,to:IAD,departure:19/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FI"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:IAD,to:DUB,departure:12/02/2026TANYT&leg2=from:DUB,to:IAD,departure:19/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![](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 25% 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.co.uk/login) ## Cheap Flights from Washington (IAD) to Dublin (DUB) Prices were available within the past 7 days and start at £305 for one-way flights and £337 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![TAP Portugal](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TP.gif) Fri, 30 Jan - Thu, 5 Feb IAD Washington DUB Dublin £337 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:DUB,departure:30/01/2026TANYT&leg2=from:DUB,to:IAD,departure:05/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:336.90&airProductToken=AQp3CjMI1KABEgMyMzQYiBggi5IBKPLvgwMwm_ODAzhPQABYAWoHRElTQ0lOVHIIT0YwRFNJT0IKQAjUoAESBDEzMjYYi5IBIIMNKOn3gwMwmPmDAzhPQABYAWoHRElTQ0lOVHIIT0YwRFNJT0J6CgjOkgESBDEzMjYKdwpACNSgARIEMTMyNxiDDSCLkgEoyaiEAzD4qYQDOE9AAFgBagdESVNDSU5UcghPRjBEU0lPQnoKCM6SARIEMTMyNwozCNSgARIDMjMxGIuSASCIGCjtq4QDMP-vhAM4T0AAWAFqB0RJU0NJTlRyCE9GMERTSU9CEgoIARABGAEqAlRQGAEiBAgBEAEoAigDKAQwDQ) ![TAP Portugal](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TP.gif) Mon, 27 Apr - Mon, 4 May IAD Washington DUB Dublin £340 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:DUB,departure:27/04/2026TANYT&leg2=from:DUB,to:IAD,departure:04/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:339.50&airProductToken=AQp3CjMI1KABEgMyMzQYiBggi5IBKJvCiwMw08WLAzhPQABYAWoHRElTQ0lOVHIIT0YwRFNJT0IKQAjUoAESBDEzMjQYi5IBIIMNKNfHiwMwgcmLAzhPQABYAWoHRElTQ0lOVHIIT0YwRFNJT0J6CgjOkgESBDEzMjQKdwpACNSgARIEMTMyNRiDDSCLkgEo7oyMAzCdjowDOE9AAFgBagdESVNDSU5UcghPRjBEU0lPQnoKCM6SARIEMTMyNQozCNSgARIDMjMxGIuSASCIGCjglIwDMNmYjAM4T0AAWAFqB0RJU0NJTlRyCE9GMERTSU9CEgoIARABGAEqAlRQGAEiBAgBEAEoAigDKAQwDQ) ![TAP Portugal](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TP.gif) Fri, 30 Jan - Fri, 6 Feb IAD Washington DUB Dublin £342 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:DUB,departure:30/01/2026TANYT&leg2=from:DUB,to:IAD,departure:06/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:341.80&airProductToken=AQp3CjMI1KABEgMyMzQYiBggi5IBKPLvgwMwm_ODAzhPQABYAWoHRElTQ0lOVHIIT0YwRFNJT0IKQAjUoAESBDEzMjYYi5IBIIMNKOn3gwMwmPmDAzhPQABYAWoHRElTQ0lOVHIIT0YwRFNJT0J6CgjOkgESBDEzMjYKdwpACNSgARIEMTMyMxiDDSCLkgEo_raEAzCtuIQDOE9AAFgBagdESVNDSU5UcghPRjBEU0lPQnoKCM6SARIEMTMyMwozCNSgARIDMjMzGIuSASCIGCjruYQDMPi9hAM4T0AAWAFqB0RJU0NJTlRyCE9GMERTSU9CEgoIARABGAEqAlRQGAEiBAgBEAEoAigDKAQwDQ) ![TAP Portugal](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TP.gif) Mon, 27 Apr - Mon, 4 May IAD Washington DUB Dublin £345 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:DUB,departure:27/04/2026TANYT&leg2=from:DUB,to:IAD,departure:04/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:344.90&airProductToken=AQp5CjQI1KABEgMyMzQYiBggi5IBKJvCiwMw08WLAzhPQABYAWoIRElTQ09VTlRyCE9GMERTSU9CCkEI1KABEgQxMzIyGIuSASCDDSiSz4sDMLzQiwM4T0ABWAFqCERJU0NPVU5UcghPRjBEU0lPQnoKCM6SARIEMTMyMgp5CkEI1KABEgQxMzI1GIMNIIuSASjujIwDMJ2OjAM4T0AAWAFqCERJU0NPVU5UcghPRjBEU0lPQnoKCM6SARIEMTMyNQo0CNSgARIDMjMxGIuSASCIGCjglIwDMNmYjAM4T0ABWAFqCERJU0NPVU5UcghPRjBEU0lPQhIKCAEQARgBKgJUUBgBIgQIARABKAIoAygEMAE) ![TAP Portugal](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TP.gif) Wed, 18 Feb - Mon, 2 Mar IAD Washington DUB Dublin £347 Return found 23 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:DUB,departure:18/02/2026TANYT&leg2=from:DUB,to:IAD,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:346.49&airProductToken=AQpFCiAI1KABEgMyMzQYiBggi5IBKNLFhQMw-8iFAzhPQABYAQohCNSgARIEMTMyNhiLkgEggw0oyc2FAzD4zoUDOE9AAVgBCkUKIQjUoAESBDEzMjUYgw0gi5IBKOHHhgMwn8mGAzhPQABYAQogCNSgARIDMjMxGIuSASCIGCiF0IYDMJfUhgM4T0ABWAESCggBEAEYASoCVFAYASIECAEQASgEMAE) ![Scandinavian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SK.gif) Sat, 18 Apr - Sat, 25 Apr IAD Washington DUB Dublin £365 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:DUB,departure:18/04/2026TANYT&leg2=from:DUB,to:IAD,departure:25/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:364.40&airProductToken=AQqYAQowCNOWARIDOTI2GIgYIOI7KPTbigMwyt-KAzhUQABYAWoFTGlnaHRyCFRMV0E2R0hUCjEI05YBEgQxNDI2GOI7IKBsKKbhigMw8eGKAzhUQAFYAWoFTGlnaHRyCFRMV0E2R0hUCjEI05YBEgQyNTY1GKBsIIMNKNDiigMw9eOKAzhUQAFYAWoFTGlnaHRyCFRMV0E2R0hUCmQKMAjTlgESAzUzOBiDDSDiOyjLo4sDMM2kiwM4VEAAWAFqBUxpZ2h0cghUTFdBNkdIVAowCNOWARIDOTI1GOI7IIgYKP-kiwMwgqmLAzhUQAFYAWoFTGlnaHRyCFRMV0E2R0hUEgoIARABGAEqAlNLGAEiBAgBEAEoAigDKAQwDw) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Tue, 17 Mar - Tue, 31 Mar IAD Washington DUB Dublin £411 Return found 23 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:DUB,departure:17/03/2026TANYT&leg2=from:DUB,to:IAD,departure:31/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:410.55&airProductToken=AQpCCh8IxpIBEgM2NDQYiBggiikoiPSHAzDr9ocDOE5AAFgBCh8IxpIBEgM0MTYYiikggw0orPeHAzDH-IcDOE5AAVgBCkIKHwjGkgESAzQxORiDDSCKKSibjIkDMLaNiQM4TkAAWAEKHwjGkgESAzY0NRiKKSCIGCjyjYkDMPiQiQM4TkABWAESCggBEAEYASoCRkkYASIECAEQASgEMAE) ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Tue, 17 Mar - Tue, 24 Mar IAD Washington DUB Dublin £425 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:DUB,departure:17/03/2026TANYT&leg2=from:DUB,to:IAD,departure:24/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:424.43&airProductToken=AQoxCi8IxZIBEgMxMTgYiBgggw0o2PSHAzDy94cDOE9AAFgBagRTQVZScghPTFg3QzFCVgoxCi8IxZIBEgMxMTcYgw0giBgo_7yIAzDzwIgDOE9AAFgBagRTQVZScghPTFg3QzFCVhIKCAEQARgBKgJFSRgBIgQIARABKAIoAygEMA0) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Tue, 10 Mar - Tue, 17 Mar IAD Washington DUB Dublin £428 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:DUB,departure:10/03/2026TANYT&leg2=from:DUB,to:IAD,departure:17/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:427.80&airProductToken=AQp-Cj0Iy5gBEgQ2Nzk5GIgYIKlRKP-khwMw2aWHAzhSQABYAWoFTElHSFRyCFJMWDc2TkJMegoIxJgBEgQ2Nzk5Cj0Iy5gBEgQ2MTkyGKlRIIMNKIemhwMwjamHAzhSQAFYAWoFTElHSFRyCFJMWDc2TkJMegoIxJgBEgQ2MTkyCmcKMgjLmAESBDExMzYYgw0ggJMBKNLshwMwse2HAzhMQABYAWoFTElHSFRyCFJMWDc2TkJMCjEIy5gBEgM2NTEYgJMBIIgYKKTuhwMwsfKHAzhSQAFYAWoFTElHSFRyCFJMWDc2TkJMEgoIARABGAEqAktMGAEiBAgBEAEoAigDKAQwDQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, 24 Mar - Wed, 8 Apr IAD Washington DUB Dublin £430 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:DUB,departure:24/03/2026TANYT&leg2=from:DUB,to:IAD,departure:08/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:429.40&airProductToken=AQo1CjMI1YIBEgMyMjgYiBgggw0oiMSIAzCsx4gDOFRAAFgBaghFQ09CQVNJQ3IIVExYNzZUQlEKegpBCNWCARIEODYwNBiDDSCYzgEokuSJAzC254kDOFRAAFgBaghFQ09CQVNJQ3IIVExYNzZUQlF6CgjBhgESBDg2MDQKNQjVggESBDM2MzcYmM4BIIgYKNboiQMwuemJAzhUQAFYAWoIRUNPQkFTSUNyCFRMWDc2VEJREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from Washington (IAD) to Dublin (DUB) ### March is typically the cheapest month to fly From £262 - £561 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:IAD,to:DUB,departure:12/02/2026TANYT&leg2=from:DUB,to:IAD,departure:24/02/2026TANYT&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 £463 ](https://www.expedia.co.uk/Flights-Search?leg1=from:IAD,to:DUB,departure:12/02/2026TANYT&leg2=from:DUB,to:IAD,departure:24/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flight from Washington to Dublin route information__ | Origin airport | Washington Dulles Intl. | | ------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Dublin | | Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United | | Return price | £337 | | Distance | 5432 km | | Average flight time | 6 hours 50 mins | ## Compare flights from Washington to Dublin easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Dublin. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Dublin in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Dublin. To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. Grab a great deal on your flight from Washington Dulles Intl. (IAD) to Dublin (DUB) The easiest way to view the best deals on flights from Washington to Dublin today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to Dublin start at just £337 and range up to £430\. To find an even better deal, try - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Washington and Dublin - booking your flight during January, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper Why you should book your Washington to Dublin flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Dublin for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you. Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight. ## Frequently asked questions ### How much is a flight from Dulles Intl. Airport to Dublin Airport? ### Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to Dublin Airport? ### How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Dublin Airport that have flexible change policies? ### How far is the flight from Washington Dulles Intl. Airport (IAD) to Dublin Airport? ### Which airlines fly direct from IAD to Dublin Airport? ### Are Washington Dulles Intl. Airport (IAD) to Dublin Airport (DUB) flight tickets cheaper when they're purchased at the last minute? ## 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.