What is the cheapest airline that flies from Dublin to Washington?

Icelandair, WestJet, and Aer Lingus are the most popular carriers operating from Dublin to Washington

How many flights depart from Dublin to State of Washington on average per week?

As of August 2026, 28 flights take off from Dublin and land in State of Washington each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

How many flights depart from Dublin to State of Washington on average per day?

As of August 2026, 4 flights take off from Dublin and land in State of Washington each day. The most common flight departure time for this route is 15:00, with 100% of daily flights taking off in the afternoon.

Which airlines fly to State of Washington?

Aer Lingus, Icelandair and British Airways are the top three most popular airlines that fly to State of Washington from Dublin according to our data. Aer Lingus is the first choice among our users, with 74% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Dublin Airport to Washington?

Prices for flights from Dublin Airport to Washington refresh daily.

How many operators does momondo search for flights from Dublin Airport to Washington?

The number of operators available for flights from Dublin Airport to Washington is 5 as of August 2026.

How old do you have to be to fly from Dublin Airport to Washington?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dublin Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

€346 Cheap Flights from Dublin to Washington in 2026

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Find the cheapest flights from Dublin to Washington

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One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

20:00 - 13:45DUB Dublin-SEA Seattle/Tacoma Intl

25h 45m2 stops Stockholm Arlanda Kastrup Copenhagen

15:55 - 18:25SEA Seattle/Tacoma Intl-DUB Dublin

18h 30m2 stops Kastrup Copenhagen Stockholm Arlanda

€515Scandinavian Airlines

Sat, 26 Sep - Sat, 3 Oct

19:05 - 13:45DUB Dublin-SEA Seattle/Tacoma Intl

26h 40m1 stop Kastrup Copenhagen

15:55 - 18:20SEA Seattle/Tacoma Intl-DUB Dublin

18h 25m1 stop Kastrup Copenhagen

€516Scandinavian Airlines

Mon, 21 Sep - Tue, 29 Sep

11:30 - 17:00DUB Dublin-SEA Seattle/Tacoma Intl

13h 30m1 stop Reykjavik Keflavik Intl

14:35 - 10:15SEA Seattle/Tacoma Intl-DUB Dublin

11h 40m1 stop Reykjavik Keflavik Intl

€551Icelandair

Sat, 5 Dec - Sun, 6 Dec

11:30 - 17:00DUB Dublin-SEA Seattle/Tacoma Intl

13h 30m1 stop Reykjavik Keflavik Intl

14:35 - 10:15SEA Seattle/Tacoma Intl-DUB Dublin

11h 40m1 stop Reykjavik Keflavik Intl

€551Icelandair

Fri, 5 Feb - Tue, 9 Feb

10:50 - 16:50DUB Dublin-SEA Seattle/Tacoma Intl

14h 00m1 stop London Heathrow

18:45 - 14:55SEA Seattle/Tacoma Intl-DUB Dublin

12h 10m1 stop London Heathrow

€582British Airways

Thu, 19 Nov - Sun, 29 Nov

20:40 - 16:50DUB Dublin-SEA Seattle/Tacoma Intl

28h 10m1 stop London Heathrow

18:45 - 14:55SEA Seattle/Tacoma Intl-DUB Dublin

12h 10m1 stop London Heathrow

€587British Airways

Sun, 15 Nov - Sun, 29 Nov

15:25 - 17:10DUB Dublin-SEA Seattle/Tacoma Intl

9h 45mdirect

19:10 - 12:15SEA Seattle/Tacoma Intl-DUB Dublin

9h 05mdirect

€683Aer Lingus

Tue, 1 Sep - Tue, 22 Sep

15:25 - 17:10DUB Dublin-SEA Seattle/Tacoma Intl

9h 45mdirect

19:10 - 12:15SEA Seattle/Tacoma Intl-DUB Dublin

9h 05mdirect

€696Aer Lingus

Mon, 5 Oct - Sun, 18 Oct

09:30 - 23:59DUB Dublin-PDX Portland

22h 29m1 stop Chicago O'Hare Intl

08:00 - 09:45PDX Portland-DUB Dublin

17h 45m1 stop Dallas/Fort Worth

€737Finnair

Thu, 3 Sep - Wed, 16 Sep

09:30 - 23:59DUB Dublin-PDX Portland

22h 29m1 stop Chicago O'Hare Intl

07:00 - 09:45PDX Portland-DUB Dublin

18h 45m1 stop Dallas/Fort Worth

€737Finnair

Thu, 27 Aug - Wed, 9 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:00 - 09:40DUB Dublin-SEA Seattle/Tacoma Intl

28h 40m1 stop Calgary

23:25 - 07:10SEA Seattle/Tacoma Intl-DUB Dublin

23h 45m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

€779Multiple Airlines

Sun, 16 Aug - Fri, 28 Aug

13:00 - 09:40DUB Dublin-SEA Seattle/Tacoma Intl

28h 40m1 stop Calgary

19:00 - 00:35SEA Seattle/Tacoma Intl-DUB Dublin

21h 35m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

€783Multiple Airlines

Sun, 16 Aug - Mon, 31 Aug

13:00 - 09:40DUB Dublin-SEA Seattle/Tacoma Intl

28h 40m1 stop Calgary

23:25 - 00:35SEA Seattle/Tacoma Intl-DUB Dublin

17h 10m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

€792Multiple Airlines

Tue, 18 Aug - Mon, 31 Aug

13:00 - 09:40DUB Dublin-SEA Seattle/Tacoma Intl

28h 40m1 stop Calgary

14:35 - 21:40SEA Seattle/Tacoma Intl-DUB Dublin

23h 05m2 stops Reykjavik Keflavik Intl Glasgow Intl

€799Multiple Airlines

Sun, 16 Aug - Sun, 8 Nov

13:00 - 09:40DUB Dublin-SEA Seattle/Tacoma Intl

28h 40m1 stop Calgary

23:25 - 11:20SEA Seattle/Tacoma Intl-DUB Dublin

27h 55m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

€812Multiple Airlines

Sun, 16 Aug - Sat, 29 Aug

15:25 - 17:10DUB Dublin-SEA Seattle/Tacoma Intl

9h 45mdirect

19:10 - 12:15SEA Seattle/Tacoma Intl-DUB Dublin

9h 05mdirect

€833Aer Lingus

Tue, 18 Aug - Mon, 31 Aug

15:25 - 17:10DUB Dublin-SEA Seattle/Tacoma Intl

9h 45mdirect

11:03 - 11:45SEA Seattle/Tacoma Intl-DUB Dublin

16h 42m1 stop Denver Intl

€906Aer Lingus

Tue, 18 Aug - Mon, 31 Aug

16:45 - 23:59DUB Dublin-SEA Seattle/Tacoma Intl

15h 14m1 stop Chicago O'Hare Intl

19:10 - 12:15SEA Seattle/Tacoma Intl-DUB Dublin

9h 05mdirect

€929Aer Lingus

Wed, 19 Aug - Sun, 30 Aug

14:15 - 17:55DUB Dublin-SEA Seattle/Tacoma Intl

11h 40m1 stop Reykjavik Keflavik Intl

23:25 - 11:05SEA Seattle/Tacoma Intl-DUB Dublin

27h 40m1 stop Reykjavik Keflavik Intl

€979Icelandair

Mon, 17 Aug - Mon, 31 Aug

15:25 - 17:10DUB Dublin-SEA Seattle/Tacoma Intl

9h 45mdirect

19:10 - 12:15SEA Seattle/Tacoma Intl-DUB Dublin

9h 05mdirect

€983Aer Lingus

Wed, 19 Aug - Sun, 30 Aug

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Scandinavian Airlines flights from Dublin to State of Washington

Our best Scandinavian Airlines deals on Dublin to State of Washington flight tickets

Scandinavian Airlines

26 Sept

DUB20:00Dublin

25h 45m

2 stops

SEA13:45Seattle/Tacoma Intl

3 Oct

SEA15:55Seattle/Tacoma Intl

18h 30m

2 stops

DUB18:25Dublin

€515

Scandinavian Airlines

21 Sept

DUB19:05Dublin

26h 40m

1 stop

SEA13:45Seattle/Tacoma Intl

29 Sept

SEA15:55Seattle/Tacoma Intl

18h 25m

1 stop

DUB18:20Dublin

€516

Scandinavian Airlines

21 Sept

DUB19:05Dublin

26h 40m

1 stop

SEA13:45Seattle/Tacoma Intl

29 Sept

SEA15:55Seattle/Tacoma Intl

18h 25m

1 stop

DUB18:20Dublin

€531

Finnair flights from Dublin to State of Washington

Our best Finnair deals on Dublin to State of Washington flight tickets

Finnair

26 Aug

DUB09:30Dublin

22h 29m

1 stop

SEA23:59Seattle/Tacoma Intl

30 Aug

SEA10:19Seattle/Tacoma Intl

17h 31m

1 stop

DUB11:50Dublin

€689

Finnair

27 Aug

DUB09:30Dublin

22h 05m

1 stop

SEA23:35Seattle/Tacoma Intl

9 Sept

SEA07:51Seattle/Tacoma Intl

17h 54m

1 stop

DUB09:45Dublin

€690

Finnair

27 Aug

DUB09:30Dublin

22h 05m

1 stop

SEA23:35Seattle/Tacoma Intl

9 Sept

SEA07:51Seattle/Tacoma Intl

17h 54m

1 stop

DUB09:45Dublin

€737

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sat 26/9

20:00-13:45

2 stops25h 45m

Seattle/Tacoma Intl

Sat 3/10

15:55-18:25

2 stops18h 30m

€515

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Mon 21/9

19:05-13:45

1 stop26h 40m

Seattle/Tacoma Intl

Tue 29/9

15:55-18:20

1 stop18h 25m

€516

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sat 5/12

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sun 6/12

14:35-10:15

1 stop11h 40m

€551

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Fri 5/2

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Tue 9/2

14:35-10:15

1 stop11h 40m

€551

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Thu 19/11

10:50-16:50

1 stop14h 00m

Seattle/Tacoma Intl

Sun 29/11

18:45-14:55

1 stop12h 10m

€582

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sun 15/11

20:40-16:50

1 stop28h 10m

Seattle/Tacoma Intl

Sun 29/11

18:45-14:55

1 stop12h 10m

€587

Fastest return journey

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Tue 1/9

15:25-17:10

Nonstop9h 45m

Seattle/Tacoma Intl

Tue 22/9

19:10-12:15

Nonstop9h 05m

€683

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Mon 5/10

15:25-17:10

Nonstop9h 45m

Seattle/Tacoma Intl

Sun 18/10

19:10-12:15

Nonstop9h 05m

€696

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Thu 3/9

09:30-23:59

1 stop22h 29m

Portland

Wed 16/9

08:00-09:45

1 stop17h 45m

€737

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Thu 27/8

09:30-23:59

1 stop22h 29m

Portland

Wed 9/9

07:00-09:45

1 stop18h 45m

€737

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Dublin to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to State of Washington?

The month of April is, on average, the cheapest month to fly to State of Washington from Dublin, with most prices found around €523. If you’re not able to fly to State of Washington in April, then May is your next best option. Flight prices from Dublin to State of Washington during May average around €539.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart on your flight to State of Washington is on a Sunday when prices can be found for as low as €704. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to State of Washington for around €954.

What is the cheapest Dublin to Washington flight route?

Fly from Dublin to Seattle/Tacoma Intl for the best Dublin - Washington flight prices

How far in advance should I book a flight from Dublin to Washington?

You are more likely to see cheaper flights to State of Washington from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around €648 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Dublin for as low as €516 on momondo.

What cabin class options are available on Dublin to State of Washington flights?

There are 2 cabin classes available to choose from on Dublin to State of Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dublin to State of Washington flights?

You could potentially save up to 46% on your flight if you consider stops on a Dublin to State of Washington flight.

Cheap Dublin to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to State of Washington

Best price found	€747
Fastest flight time	9h 45m
Direct flights	Every day
Airports in State of Washington	96 airports

The best flight deal from Dublin to State of Washington found on momondo in the last 72 hours is €747

The fastest flight from Dublin to State of Washington takes 9h 45m

Direct flights go from Dublin to State of Washington every day.

There are 96 airports in State of Washington. From Dublin there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Dublin to Washington

When did momondo last update prices for flights from Dublin Airport to Washington?
Prices for flights from Dublin Airport to Washington refresh daily.
How many operators does momondo search for flights from Dublin Airport to Washington?
The number of operators available for flights from Dublin Airport to Washington is 5 as of August 2026.
How old do you have to be to fly from Dublin Airport to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dublin Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Dublin to State of Washington?
momondo data reveals that the most frequently booked plane model on the route from Dublin to State of Washington is Airbus A330-200, representing 88.18% of all bookings. The subsequent popular models are Airbus A330-300 at 3.51%, Airbus A321neo at 1.60%, and Airbus A330 at 1.60%.

Best airlines flying from Dublin to State of Washington

Compare and see reviews for airlines that fly from Dublin to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom €383	Free Cancellation	Rating 6.9 732 reviews	Search Icelandair flights
British Airways	PriceFrom €410	Free Cancellation	Rating 6.7 8,159 reviews	Search British Airways flights
Aer Lingus	PriceFrom €475	Free Cancellation	Rating 7.3 1,701 reviews	Search Aer Lingus flights

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Why should I use momondo to find a flight deal from Dublin to Washington?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Dublin to Washington. momondo saves you time and could save you money on your trip.

Can I find flights from Dublin to Washington with flexible booking policies on momondo?

All flight searches from Dublin to Washington on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Dublin to Washington?

Once all potential Dublin to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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Of course. momondo tracks the price of Dublin to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.