Title: £256 Cheap Flights from Seattle to Dublin (SEA 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) # £256 Cheap Flights from Seattle (SEA) to Dublin (DUB) [View £256 flight on Wed, 7 Oct 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SEA,to:DUB,departure:07/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:255.20&airProductToken=AQpeCi0IwmwSAzM5OBiSASDBkwEoluiZAzD36pkDOExAAFgBagJETnIITUw0TEJYTDEKLQjCbBIDMzUzGMGTASCDDSil65kDMJjumQM4TEABWAFqAkROcghNTDRMQlhMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) - [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 Seattle-Tacoma International Airport (SEA) to Dublin Airport (DUB) - ![](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:SEA,to:DUB,departure:11/02/2026TANYT&leg2=from:DUB,to:SEA,departure:18/02/2026TANYT&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_EI.svg) Aer Lingus [](https://www.expedia.co.uk/Flights-Search?leg1=from:SEA,to:DUB,departure:11/02/2026TANYT&leg2=from:DUB,to:SEA,departure:18/02/2026TANYT&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:SEA,to:DUB,departure:11/02/2026TANYT&leg2=from:DUB,to:SEA,departure:18/02/2026TANYT&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_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:SEA,to:DUB,departure:11/02/2026TANYT&leg2=from:DUB,to:SEA,departure:18/02/2026TANYT&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_TK.svg) Turkish Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:SEA,to:DUB,departure:11/02/2026TANYT&leg2=from:DUB,to:SEA,departure:18/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![](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:SEA,to:DUB,departure:11/02/2026TANYT&leg2=from:DUB,to:SEA,departure:18/02/2026TANYT&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_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:SEA,to:DUB,departure:11/02/2026TANYT&leg2=from:DUB,to:SEA,departure:18/02/2026TANYT&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 Seattle (SEA) to Dublin (DUB) Prices were available within the past 7 days and start at £256 for one-way flights and £331 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Tue, 12 May - Thu, 21 May SEA Seattle DUB Dublin £331 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DUB,departure:12/05/2026TANYT&leg2=from:DUB,to:SEA,departure:21/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:330.36&airProductToken=AQpkCjAIxpIBEgM2ODAYkgEgiikokOmMAzDX7IwDOFVAAFgBagVMSUdIVHIIVVUyWFVTTFQKMAjGkgESAzQxNhiKKSCDDSii7YwDML3ujAM4VUABWAFqBUxJR0hUcghVVTJYVVNMVApkCjAIxpIBEgM0MTkYgw0giiko-8mNAzCWy40DOE5AAFgBagVMSUdIVHIITk8yUVVTTFQKMAjGkgESAzY4MxiKKSCSASiBzY0DMNzQjQM4TkABWAFqBUxJR0hUcghOTzJRVVNMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Wed, 15 Apr - Wed, 22 Apr SEA Seattle DUB Dublin £338 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DUB,departure:15/04/2026TANYT&leg2=from:DUB,to:SEA,departure:22/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:337.90&airProductToken=AQpkCjAIxpIBEgM2ODIYkgEgiiko-LqKAzC1vooDOE5AAFgBagVMSUdIVHIITkoyUVVTTFQKMAjGkgESAzQxNhiKKSCDDSjiyIoDMP3JigM4TkABWAFqBUxJR0hUcghOSjJRVVNMVApkCjAIxpIBEgM0MTcYgw0giiko44KLAzD-g4sDOE5AAFgBagVMSUdIVHIITkoyUVVTTFQKMAjGkgESAzY4MxiKKSCSASjhhosDMLyKiwM4TkABWAFqBUxJR0hUcghOSjJRVVNMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Wed, 29 Apr - Thu, 7 May SEA Seattle DUB Dublin £343 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DUB,departure:29/04/2026TANYT&leg2=from:DUB,to:SEA,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:342.60&airProductToken=AQpkCjAIxpIBEgM2ODAYkgEgiiko8NaLAzC32osDOE5AAFgBagVMSUdIVHIITkoyUVVTTFQKMAjGkgESAzQxOBiKKSCDDSiE3IsDMJ_diwM4TkABWAFqBUxJR0hUcghOSjJRVVNMVApkCjAIxpIBEgM0MTkYgw0giikou6yMAzDWrYwDOE5AAFgBagVMSUdIVHIITkoyUVVTTFQKMAjGkgESAzY4MxiKKSCSASjBr4wDMJyzjAM4TkABWAFqBUxJR0hUcghOSjJRVVNMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Tue, 14 Apr - Tue, 21 Apr SEA Seattle DUB Dublin £347 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DUB,departure:14/04/2026TANYT&leg2=from:DUB,to:SEA,departure:21/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:346.80&airProductToken=AQpkCjAIxpIBEgM2ODAYkgEgiikokK6KAzDXsYoDOE5AAFgBagVMSUdIVHIITkoyUVVTTFQKMAjGkgESAzQxNhiKKSCDDSiisooDML2zigM4TkABWAFqBUxJR0hUcghOSjJRVVNMVApkCjAIxpIBEgM0MTkYgw0giikou_iKAzDW-YoDOE5AAFgBagVMSUdIVHIITkoyUVVTTFQKMAjGkgESAzY4MRiKKSCSASiS-ooDMPf9igM4TkABWAFqBUxJR0hUcghOSjJRVVNMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Thu, 5 Mar - Thu, 12 Mar SEA Seattle DUB Dublin £348 Return found 16 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DUB,departure:05/03/2026TANYT&leg2=from:DUB,to:SEA,departure:12/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:348.00&airProductToken=AQpkCjAIxpIBEgM2ODAYkgEgiikoi-yGAzDX74YDOFhAAFgBagVMSUdIVHIIWEoyUVVTTFQKMAjGkgESAzQxNhiKKSCDDSis8IYDMMfxhgM4WEABWAFqBUxJR0hUcghYSjJRVVNMVApkCjAIxpIBEgM0MTcYgw0giiko0rWHAzDytocDOE5AAFgBagVMSUdIVHIITkoyUVVTTFQKMAjGkgESAzY4MRiKKSCSASicuIcDMPy7hwM4TkABWAFqBUxJR0hUcghOSjJRVVNMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Tue, 28 Apr - Tue, 5 May SEA Seattle DUB Dublin £350 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DUB,departure:28/04/2026TANYT&leg2=from:DUB,to:SEA,departure:05/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:349.45&airProductToken=AQpkCjAIxpIBEgM2ODAYkgEgiiko0MuLAzCXz4sDOE5AAFgBagVMSUdIVHIITkoyUVVTTFQKMAjGkgESAzQxNhiKKSCDDSjiz4sDMP3QiwM4TkABWAFqBUxJR0hUcghOSjJRVVNMVApkCjAIxpIBEgM0MTkYgw0giiko-5WMAzCWl4wDOE5AAFgBagVMSUdIVHIITkoyUVVTTFQKMAjGkgESAzY4MRiKKSCSASjSl4wDMLebjAM4TkABWAFqBUxJR0hUcghOSjJRVVNMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, 5 May - Wed, 13 May SEA Seattle DUB Dublin £354 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DUB,departure:05/05/2026TANYT&leg2=from:DUB,to:SEA,departure:13/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:353.38&airProductToken=AQp_Cj4IzJABEgQ2NjM5GJIBILiNASjXl4wDMKCYjAM4TEAAWAFqBUVMVDAwcghMTFg4N1VCUXoKCMGGARIEODgwMwo9CMyQARIENjUzMRi4jQEggw0ojZqMAzCVnowDOExAAFgBagVFTFQwMHIITExYODdVQlF6CQjBhgESAzkxOAp_Cj0IzJABEgQ2NTMwGIMNILiNASjy7YwDMInyjAM4TEAAWAFqBUVMVDAwcghMTFg4N1VCUXoJCMGGARIDOTE5Cj4IzJABEgQ2NTEwGLiNASCSASif84wDMODzjAM4TEAAWAFqBUVMVDAwcghMTFg4N1VCUXoKCMGGARIEODgwNBIKCAEQARgBKgJMSBgBIgQIARABKAIoAygEMAs) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, 7 Sept - Tue, 15 Sept SEA Seattle DUB Dublin £358 Return found 10 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DUB,departure:07/09/2026TANYT&leg2=from:DUB,to:SEA,departure:15/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:357.40&airProductToken=AQpkCjAIwYYBEgM1MTQYkgEgmF0o5pSXAzCZl5cDOExAAFgBagVCQVNJQ3IITExYODdVQlEKMAjBhgESAzkxNhiYXSCDDSjSmZcDMLWclwM4TEABWAFqBUJBU0lDcghMTFg4N1VCUQpkCjAIwYYBEgM5MTcYgw0gmF0o9OuXAzD17pcDOExAAFgBagVCQVNJQ3IITExYODdVQlEKMAjBhgESAzUxNRiYXSCSASjd8ZcDMMH0lwM4TEABWAFqBUJBU0lDcghMTFg4N1VCURIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMAE) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Tue, 12 May - Thu, 21 May SEA Seattle DUB Dublin £364 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DUB,departure:12/05/2026TANYT&leg2=from:DUB,to:SEA,departure:21/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:363.30&airProductToken=AQp-Cj0IyYQBEgQ0NTUwGJIBIK4cKPbojAMw_uqMAzhPQABYAWoFQkFTSUNyCE9MWDBHMUJWegoIwYIBEgQ0NTUwCj0IyYQBEgQ4MDUwGK4cIIMNKK3rjAMw6u6MAzhPQAFYAWoFQkFTSUNyCE9MWDBHMUJWegoIwYIBEgQ4MDUwCj8KPQjJhAESBDYwNDUYgw0gkgEowcqNAzCKz40DOE9AAFgBagVCQVNJQ3IIT0tYMEgxQlZ6CgjFkgESBDYwNDUSCggCEAEYAioCSUIYASIECAEQASgCKAMoBDAN) ![Scandinavian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SK.gif) Fri, 4 Sept - Fri, 11 Sept SEA Seattle DUB Dublin £374 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DUB,departure:04/09/2026TANYT&leg2=from:DUB,to:SEA,departure:11/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:373.90&airProductToken=AQqXAQowCNOWARIDOTM4GJIBIOI7KP_2lgMwqvuWAzhMQABYAWoFTGlnaHRyCExMV0E2R0hUCjEI05YBEgQxNDIyGOI7IKBsKM_8lgMwmv2WAzhMQAFYAWoFTGlnaHRyCExMV0E2R0hUCjAI05YBEgM1MzUYoGwggw0o3f6WAzCCgJcDOExAAVgBagVMaWdodHIITExXQTZHSFQKlwEKMQjTlgESBDI1NjYYgw0goGwo6sOXAzCAxZcDOFRAAFgBagVMaWdodHIIVExXQTZHSFQKMAjTlgESAzQwMRigbCDiOyiIyZcDMNPJlwM4VEABWAFqBUxpZ2h0cghUTFdBNkdIVAowCNOWARIDOTM3GOI7IJIBKLnLlwMw_c-XAzhUQAFYAWoFTGlnaHRyCFRMV0E2R0hUEgoIARABGAEqAlNLGAEiBAgBEAEoAigDKAQwDw) ## Find the cheapest month to fly from Seattle (SEA) to Dublin (DUB) ### November is typically the cheapest month to fly From £234 - £651 per traveller. __Flight from Seattle to Dublin route information__ | Origin airport | Seattle - Tacoma Intl. | | ------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Dublin | | Airlines serving | Aer Lingus, Air Canada, Air France, British Airways, Brussels Airlines, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, WestJet | | Return price | £330 | | Distance | 7241 km | ## Compare flights from Seattle to Dublin easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle 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 Seattle - Tacoma 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 Seattle - Tacoma Intl. (SEA) to Dublin (DUB) The easiest way to view the best deals on flights from Seattle 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 Seattle - Tacoma Intl. to Dublin start at just £331 and range up to £374\. To find an even better deal, try - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Seattle and Dublin - booking your flight during May, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper Why you should book your Seattle to Dublin flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma 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 SEA to Dublin Airport? ### Do I need to pay a cancellation fee if I cancel my flight from SEA to Dublin Airport (DUB)? ### How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to DUB that have flexible change policies? ### How far is the flight from SEA to Dublin Airport (DUB)? ### Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Dublin Airport (DUB)? ### Are Sea-Tac Airport 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.