Dublin to Seattle flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Dublin to Seattle is €391 (checked on 28 Oct 2026).
Your next trip, last seen at €391
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €391, departing 20 Jan 2027 (Last checked: 28 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 4Check live prices for this route
- Airlines seen
- Aer Lingus, Air France, Alaska Airlines, British Airways, Delta Air Lines, Iberia, KLM, Lufthansa, Turkish Airlines, United Airlines, WestJet (11)
- Reported fastest flight
- 9h 45m
- Non-stop
- Yes
About this route
Explore the fares we observed from Dublin to Seattle. Prices move often, so pick your dates to see the latest options.
- Route distance
- 7,277 km
- Reported fastest flight
- 9h 45m
- Alternative airports
- BFI
Route-level information; individual journeys vary.
Published schedules report non-stop service with Aer Lingus. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Dublin Airport (DUB) → Dublin, city gazetteer reference point (53.3498, -6.2603): ≈ 9 km.
- King County International Airport - Boeing Field (BFI) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 9 km.
- Seattle–Tacoma International Airport (SEA) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 18 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from Dublin to Seattle: Delta Air Lines, from €405 (checked 28 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Delta Air Lines | €405Jan 20, 2027 | 4 |
| British Airways | €455Jan 20, 2027 | 3 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Dublin to Seattle?
The lowest fare Routavio has observed is €391, found on 28 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Dublin to Seattle?
In our observations January 2027 is the cheapest month so far, at €391.
Are there direct flights from Dublin to Seattle?
Yes. Published schedules report non-stop flights on this route with Aer Lingus.
Which airlines fly from Dublin to Seattle?
Routavio has seen these carriers on the route: Aer Lingus, Air France, Alaska Airlines, British Airways, Delta Air Lines, Iberia, KLM, Lufthansa, Turkish Airlines, United Airlines, WestJet (11).
How long does the flight from Dublin to Seattle take?
Across the 73 fares Routavio observed, the average journey time is 16h 14m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
Which airline has the lowest fare from Dublin to Seattle?
Cheapest airline from Dublin to Seattle: Delta Air Lines, from €405 (checked 28 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.