$338 Flights from Dublin (DUB) to Seattle (SEAA)

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Flight deals from Dublin Airport to Seattle

Looking for a cheap last-minute deal or the best round-trip flight from Dublin Airport to Seattle? If you want to travel next month, round-trip fares start from $504. Find the lowest prices on one-way and round-trip tickets right here.

Seattle.$338 per passenger.Departing Sun, May 3.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Dublin on Sun, May 3, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $338, select.

Seattle.$367 per passenger.Departing Mon, Apr 27.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Dublin on Mon, Apr 27, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $367, select.

Seattle.$372 per passenger.Departing Tue, Jun 2.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departing from Dublin on Tue, Jun 2, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $372, select.

Seattle.$426 per passenger.Departing Fri, Nov 20.One-way flight with Transavia France.Outbound indirect flight with Transavia France, departing from Dublin on Fri, Nov 20, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $426, select.

Seattle.$444 per passenger.Departing Thu, Sep 3.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Dublin on Thu, Sep 3, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $444, select.

Seattle.$464 per passenger.Departing Tue, Aug 25.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Dublin on Tue, Aug 25, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $464, select.

Seattle.$491 per passenger.Departing Sun, Oct 18.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Dublin on Sun, Oct 18, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $491, select.

Seattle.$493 per passenger.Departing Tue, Dec 1.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departing from Dublin on Tue, Dec 1, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $493, select.

Seattle.$523 per passenger.Departing Mon, Jul 6.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departing from Dublin on Mon, Jul 6, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $523, select.

Seattle.$530 per passenger.Departing Mon, Jan 11.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departing from Dublin on Mon, Jan 11, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $530, select.

Seattle.$592 per passenger.Departing Tue, Jun 2.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Tue, Jun 2, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $592, select.

Seattle.$592 per passenger.Departing Sun, May 3.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Sun, May 3, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $592, select.

Seattle.$596 per passenger.Departing Fri, Apr 10.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Fri, Apr 10, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $596, select.

Seattle.$597 per passenger.Departing Mon, Sep 7.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Mon, Sep 7, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $597, select.

Seattle.$598 per passenger.Departing Thu, Oct 15.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Thu, Oct 15, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $598, select.

Seattle.$602 per passenger.Departing Mon, Mar 1.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departing from Dublin on Mon, Mar 1, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $602, select.

Find the cheapest month to fly from Dublin to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Seattle flights are currently cheapest in May.

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Direct flights from Dublin to Seattle

Alternative Dublin to Seattle routes

Looking for the cheapest, fastest or easiest route from Dublin to Seattle? You could fly into the following airports instead.

Dublin to Seattle: Flight information

The things to know before you go.

Cheapest flight found	$338
Cheapest month to fly	May
Average flight time	9 hrs, 47 mins
Most popular airline	Aer Lingus
Average flights per week	25

Finding cheap flights from Dublin to Seattle: Frequently asked questions

How many airports are there in Seattle?

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.

How much are round-trip flights from Dublin to Seattle?

The best price we found for a round-trip flight from Dublin to Seattle is $486. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Dublin to Seattle?

9 hours and 47 minutes is the average flight time from Dublin to Seattle.

Which airlines fly direct from Dublin to Seattle?

Aer Lingus, British Airways and American Airlines fly direct from Dublin to Seattle.

How many flights are there a week from Dublin to Seattle?

There are 25 flights per week flying from Dublin to Seattle, as of April 2026.

When is the cheapest time to fly from Dublin to Seattle?

The cheapest month to fly from Dublin to Seattle is usually November.

What's the cheapest airport to fly to in Seattle?

If you're flying from Dublin Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 12.1 miles away from the center of Seattle. We've found flights to this airport from $486.

Which upcoming date is cheapest to fly from Dublin Airport to Seattle on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Seattle on Wednesday, November 18, 2026.

Can I get a direct flight from Dublin Airport to Seattle?

Yes – the average flight time is 9 hours and 47 minutes.

How can I get the best flight deal from Dublin Airport to Seattle?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Seattle?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Seattle?

In April, the average temperature is usually around 47°F. August is typically the warmest month in Seattle, when it usually averages around 73°F. You can expect the least rain in July. The coldest month is December, with temperatures averaging 33°F. The rainiest month is November.

Which is the cheapest airline to fly with from Dublin Airport to Seattle?

Currently, Icelandair and Aer Lingus offer the cheapest flight tickets to Seattle.

Flying from Dublin Airport (DUB) to Seattle: what you need to know

Hop on a direct flight from Dublin Airport to Seattle and you'll be in the air for an average of 9 hours.
Dublin Airport is located in Dublin. Based in the UTC-8 timezone, Seattle is eight hours behind Dublin.
With six departures a week between the two airports, Dublin Airport (DUB) to Seattle-Tacoma International Airport (SEA) is the busiest route. Catch Aer Lingus's 15:20 flight to get your trip from DUB to SEA underway.
For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your DUB to Seattle flight.
During popular months such as July, you'll want to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of an international flight when you fly during high season in general.
Direct Dublin Airport to Seattle tickets are available for booking. Seattle-Tacoma International Airport (SEA) will be your arrival point.
Keep an eye out for deals with Aer Lingus. This airline has direct flights from Dublin Airport to Seattle.
Consider adding a stopover to potentially score a cheaper plane ticket from DUB to Seattle. Just uncheck 'Direct flights only' during your search. Break up your trip (and maybe save some cash) by stopping at one of these connecting airports:
- London Heathrow Airport (LHR)
- Amsterdam Schiphol Airport (AMS)
- Paris Charles de Gaulle Airport (CDG)
Located around 5 miles from central Dublin, DUB can be reached in about 25 minutes by car, depending on traffic. Traveling on public transport takes roughly 30 minutes.
Want a relaxed start to your trip? Stay near DUB. Whether you've booked an early flight from Dublin Airport to Seattle or don't want departure day to feel hectic, these hotels have you covered:
77% of flights that leave from Dublin Airport arrive at their destination on time.

How to find the cheapest flights from Dublin Airport (DUB) to Seattle

$338 is currently the best price for a one-way Dublin Airport to Seattle flight. Return plane tickets start from $486. These prices can change depending on demand and availability.
Get cheap flights from DUB to Seattle by booking one month ahead. Based on our research, that's the sweet spot for finding the biggest deals.
June is the best month for landing an awesome deal on Dublin Airport to Seattle tickets. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest prices across every month.
Locking in a cheap flight from DUB to Seattle couldn't be easier with Price Alerts. All you need to do is create one of these automatic notifications and we'll notify you when a better deal is available.
Tailor your trip with filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Dublin Airport to Seattle.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

The distance from Seattle-Tacoma International Airport (SEA) to central Seattle is roughly 14 miles. It'll take you around 25 minutes to reach the center driving.
If you're traveling on public transport, expect a journey time of around 35 minutes.
The last thing you want is a long journey to your hotel if you're getting in late on a flight from Dublin Airport to Seattle. Book one of these accommodation options near SEA instead:
Booking your vehicle from Seattle-Tacoma International Airport about one week in advance of your flight from DUB to Seattle can help you lock in the best possible rate.

Seattle Paine Field International Airport (PAE)

After your flight from Dublin Airport to Seattle has arrived, you can get to the city center in around 40 minutes by car. Central Seattle is roughly 25 miles from Seattle Paine Field International Airport (PAE).
If you choose to travel on public transport, you'll get to the city center in 1 hour 30 minutes or so.
After stepping off your DUB to Seattle flight, settle in at a hotel near PAE. These are some comfortable accommodation options that'll help you slip into relaxation mode:
Pick the vehicle you actually want, not just what's available, by securing your ride from PAE in advance. You can also avoid last-minute price surges, especially when the airport is busy.

King County International Airport (BFI)

Hop off your flight from Dublin Airport to Seattle and make your way to your hotel or start exploring right away. Central Seattle is around 7 miles from King County International Airport (BFI) and typically takes 20 minutes to reach driving.
If you're using public transport, the journey will take you about 35 minutes.
If you don't want to make the journey to the center, choose a hotel near BFI. Get comfortable at one of these stays after your DUB to Seattle flight:
If you prefer a specific type of vehicle, booking early gives you a better shot at getting your first choice. Book your ride from BFI a couple of weeks ahead of your flight from Dublin Airport to Seattle.

Best time to go to Seattle

July is the busiest month for flights from Dublin Airport to Seattle. To steer clear of the crowds, head to Seattle in December.
Book a Dublin Airport to Seattle plane ticket with a departure in August to experience the city during its warmest month. Expect temperatures to range from 54ºF to 82ºF.
February has average temperatures of between 30ºF and 52ºF. Look for a cheap ticket from DUB to Seattle around that time if you want to travel in cooler conditions.

More about Seattle

Once you've booked your flight from Dublin Airport to Seattle, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring Seattle:
Pike Place Market and Space Needle are just the start of the major attractions to add to your Seattle itinerary. Keep the momentum going by heading to Seattle Skyline.

Explore more of the United States

Portland is just one of the many places in the United States waiting to be discovered once you've seen the sights of Seattle. Around 150 miles away to the south, its best attractions include Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland.
Around 230 miles east of Seattle, Spokane is another favorite stop in the United States. Get a taste of what this destination has to offer at Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.