International route
Cheap flights from Seattle to Dublin
Seattle-Tacoma International Airport (SEA) to Dublin Airport (DUB). 4,526 miles, 8h 45m nonstop.
SEA to DUB at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 4,526 milesgreat-circle
- Typical flight time
- 8h 45mnonstop, gate to gate
- Nonstop airlines
- DLEI2 airlinesDelta, Aer Lingus
- Nonstop flights per day
- 2all airlines combined
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Tuesday18% less than Friday
- Time difference
- 8h aheadDublin vs Seattle
Seattle to Dublin
Round trips from $406
Per traveler, taxes and fees included. Lowest fare we found departs Wed, Jan 6.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppSeattle to Dublin fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Seattle to Dublin
2 airlines fly nonstop with 2 departures a day combined, plus 16 more with one stop.
- EIAer LingusNonstop · 1 flight a day · first checked bag from $70
- DLDelta Air LinesSkyTeamNonstop · 1 flight a day · first checked bag from $35
- AFAir FranceSkyTeamConnecting via ORY · first checked bag from $75
- ASAlaska AirlinesoneworldConnecting via PDX, SFO, LAX, SAN · first checked bag from $35
- AAAmerican AirlinesoneworldConnecting via DFW, MIA, PHX, LAX, DCA, JFK · first checked bag from $40
- BABritish AirwaysoneworldConnecting via LHR, LGW · first checked bag from $75
- AYFinnaironeworldConnecting via HEL · first checked bag from $70
- AZITA AirwaysConnecting via FCO · first checked bag from $70
- B6JetBlueConnecting via JFK, BOS, FLL, LAX · first checked bag from $40
- KLKLM Royal Dutch AirlinesSkyTeamConnecting via AMS · first checked bag from $75
- LHLufthansaStar AllianceConnecting via FRA, MUC · first checked bag from $75
- NONorse Atlantic AirwaysLow-costConnecting via OSL · first checked bag from $80
- SKSAS Scandinavian AirlinesSkyTeamConnecting via CPH, ARN, OSL · first checked bag from $70
- LXSWISSStar AllianceConnecting via ZRH, GVA · first checked bag from $75
- TPTAP Air PortugalStar AllianceConnecting via LIS, OPO · first checked bag from $70
- UAUnited AirlinesStar AllianceConnecting via IAH, EWR, IAD, LAX · first checked bag from $40
- VSVirgin AtlanticSkyTeamConnecting via LHR, MAN · first checked bag from $75
- WSWestJetConnecting via YYZ · first checked bag from $35
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Los Angeles (LAX)AAUAB6AS4 airlines
- New York (JFK)AAB62 airlines
- London (LHR)BAVS2 airlines
- Oslo (OSL)SKNO2 airlines
- Dallas (DFW)AA1 airline
Tips for this route
- Only Delta and Aer Lingus fly this route nonstop, which keeps nonstop fares firm. A one-stop itinerary through LAX or JFK is usually cheaper if you can spare the extra three to five hours.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $406; September 2026 is the most expensive at $509 and up, a difference of $103 per traveler.
- Departing on a Tuesday averages 18% less than a Friday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel.
- Dublin is 8 hours ahead of Seattle. Expect to lose 8 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Destination guide
Dublin: Pubs, literature and US Preclearance on the way home
Dublin is one of the cheapest and friendliest European gateways, with Aer Lingus, Delta, United, American and JetBlue flying nonstop from a dozen US cities. Clear US customs in Dublin before your flight home, then land as a domestic passenger.
Best time to visit: May–September has the longest days and mildest weather (it's never hot). March brings St. Patrick's festival crowds. October–February is damp and dark but hotel rates fall sharply.
Flying the other way? Dublin to SeattleFares, airlines and tips for DUB to SEA.Ready to compare live fares?
See every airline on SEA–DUB side by side with bags and seat rules spelled out.
Search Seattle to DublinSeattle to Dublin: common questions
How long is the flight from Seattle to Dublin?
A nonstop flight from Seattle (SEA) to Dublin (DUB) takes about 8h 45m gate to gate, covering 4,526 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.
Which airlines fly nonstop from SEA to DUB?
Delta Air Lines and Aer Lingus operate nonstop flights from Seattle (SEA) to Dublin (DUB), with 2 nonstop departures a day between them. One-stop options connect through LAX, JFK and LHR.
What is the cheapest month to fly from Seattle to Dublin?
Over the next six months, January 2027 has the lowest round-trip fares from Seattle (SEA) to Dublin (DUB), starting at $406 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Seattle to Dublin flights?
Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Seattle and Dublin?
Dublin is 8 hours ahead of Seattle. SEA is on America/Los Angeles time and DUB on Europe/Dublin time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
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