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

Delta and KLM are the most popular carriers operating from Dublin to Washington

Which airlines fly to State of Washington?

Aer Lingus, British Airways and Icelandair 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 69% 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 3 as of November 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.

€319 Cheap Flights from Dublin to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Dublin to Washington

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

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

€516Icelandair

Fri, 15 Jan - Fri, 22 Jan

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

€528Icelandair

Sat, 23 Jan - Sun, 31 Jan

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

€533Icelandair

Sat, 21 Nov - Mon, 7 Dec

10:10 - 22:02DUB Dublin-SEA Seattle/Tacoma Intl

19h 52m2 stops Kastrup Copenhagen Los Angeles

10:39 - 18:20SEA Seattle/Tacoma Intl-DUB Dublin

23h 41m2 stops Chicago O'Hare Intl Kastrup Copenhagen

€551Scandinavian Airlines

Sun, 6 Dec - Thu, 10 Dec

19:05 - 22:05DUB Dublin-SEA Seattle/Tacoma Intl

35h 00m2 stops Kastrup Copenhagen Los Angeles

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

18h 25m1 stop Kastrup Copenhagen

€554Scandinavian Airlines

Fri, 7 May - Sat, 15 May

10:10 - 22:04DUB Dublin-SEA Seattle/Tacoma Intl

19h 54m2 stops Kastrup Copenhagen Los Angeles

07:15 - 18:20SEA Seattle/Tacoma Intl-DUB Dublin

27h 05m2 stops San Francisco Kastrup Copenhagen

€554Scandinavian Airlines

Sat, 21 Nov - Mon, 7 Dec

11:30 - 22:31DUB Dublin-SEA Seattle/Tacoma Intl

19h 01m1 stop Philadelphia

09:15 - 09:00SEA Seattle/Tacoma Intl-DUB Dublin

15h 45m1 stop Philadelphia

€618British Airways

Sat, 21 Nov - Mon, 7 Dec

20:40 - 11:25DUB Dublin-SEA Seattle/Tacoma Intl

22h 45m1 stop London Heathrow

18:45 - 16:35SEA Seattle/Tacoma Intl-DUB Dublin

13h 50m1 stop London Heathrow

€627British Airways

Wed, 2 Dec - Wed, 20 Jan

15:50 - 09:38DUB Dublin-SEA Seattle/Tacoma Intl

24h 48m1 stop Chicago O'Hare Intl

19:45 - 21:05SEA Seattle/Tacoma Intl-DUB Dublin

18h 20m1 stop London Heathrow

€805Aer Lingus

Tue, 16 Mar - Wed, 17 Mar

19:45 - 11:25DUB Dublin-SEA Seattle/Tacoma Intl

23h 40m1 stop London Heathrow

23:39 - 05:15SEA Seattle/Tacoma Intl-DUB Dublin

21h 36m1 stop Chicago O'Hare Intl

€815Aer Lingus

Wed, 9 Dec - Wed, 16 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

€550Icelandair

Thu, 12 Nov - Thu, 26 Nov

19:05 - 23:57DUB Dublin-SEA Seattle/Tacoma Intl

36h 52m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

10:39 - 18:20SEA Seattle/Tacoma Intl-DUB Dublin

23h 41m2 stops Chicago O'Hare Intl Kastrup Copenhagen

€591Scandinavian Airlines

Thu, 12 Nov - Thu, 26 Nov

19:05 - 23:00DUB Dublin-SEA Seattle/Tacoma Intl

35h 55m2 stops Kastrup Copenhagen New York John F Kennedy Intl

07:27 - 18:20SEA Seattle/Tacoma Intl-DUB Dublin

26h 53m2 stops Chicago O'Hare Intl Kastrup Copenhagen

€600Scandinavian Airlines

Thu, 12 Nov - Fri, 27 Nov

19:05 - 23:00DUB Dublin-SEA Seattle/Tacoma Intl

35h 55m2 stops Kastrup Copenhagen New York John F Kennedy Intl

07:27 - 18:20SEA Seattle/Tacoma Intl-DUB Dublin

26h 53m2 stops Chicago O'Hare Intl Kastrup Copenhagen

€608Scandinavian Airlines

Fri, 13 Nov - Fri, 27 Nov

20:40 - 11:25DUB Dublin-SEA Seattle/Tacoma Intl

22h 45m1 stop London Heathrow

13:40 - 07:50SEA Seattle/Tacoma Intl-DUB Dublin

34h 10m1 stop London Heathrow

€740British Airways

Mon, 9 Nov - Thu, 24 Dec

20:40 - 11:25DUB Dublin-SEA Seattle/Tacoma Intl

22h 45m1 stop London Heathrow

18:45 - 15:15SEA Seattle/Tacoma Intl-DUB Dublin

12h 30m1 stop London Heathrow

€740British Airways

Mon, 9 Nov - Fri, 25 Dec

13:25 - 16:50DUB Dublin-SEA Seattle/Tacoma Intl

35h 25m1 stop London Heathrow

18:45 - 18:40SEA Seattle/Tacoma Intl-DUB Dublin

15h 55m1 stop London Heathrow

€740British Airways

Tue, 10 Nov - Sat, 26 Dec

11:30 - 09:07DUB Dublin-SEA Seattle/Tacoma Intl

29h 37m2 stops Reykjavik Keflavik Intl Denver Intl

18:54 - 10:15SEA Seattle/Tacoma Intl-DUB Dublin

31h 21m2 stops Portland Reykjavik Keflavik Intl

€1,334Icelandair

Tue, 10 Nov - Sun, 27 Dec

11:30 - 20:32DUB Dublin-SEA Seattle/Tacoma Intl

17h 02m2 stops Reykjavik Keflavik Intl Portland

20:14 - 10:15SEA Seattle/Tacoma Intl-DUB Dublin

30h 01m2 stops Denver Intl Reykjavik Keflavik Intl

€1,376Icelandair

Mon, 9 Nov - Tue, 22 Dec

11:30 - 09:07DUB Dublin-SEA Seattle/Tacoma Intl

29h 37m2 stops Reykjavik Keflavik Intl Denver Intl

20:14 - 10:15SEA Seattle/Tacoma Intl-DUB Dublin

30h 01m2 stops Denver Intl Reykjavik Keflavik Intl

€1,376Icelandair

Tue, 10 Nov - Tue, 22 Dec

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United Airlines flights from Dublin to State of Washington

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

United Airlines

12 Nov

DUB09:00Dublin

19h 59m

1 stop

SEA20:59Seattle/Tacoma Intl

26 Nov

SEA07:00Seattle/Tacoma Intl

16h 30m

2 stops

DUB07:30Dublin

€661

United Airlines

21 Nov

DUB09:00Dublin

19h 59m

1 stop

SEA20:59Seattle/Tacoma Intl

7 Dec

SEA10:48Seattle/Tacoma Intl

15h 07m

2 stops

DUB09:55Dublin

€662

United Airlines

21 Nov

DUB12:05Dublin

16h 51m

1 stop

SEA20:56Seattle/Tacoma Intl

7 Dec

SEA08:30Seattle/Tacoma Intl

17h 25m

2 stops

DUB09:55Dublin

€665

Icelandair flights from Dublin to State of Washington

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

Icelandair

15 Jan

DUB11:30Dublin

13h 30m

1 stop

SEA17:00Seattle/Tacoma Intl

22 Jan

SEA14:35Seattle/Tacoma Intl

11h 40m

1 stop

DUB10:15Dublin

€516

Icelandair

23 Jan

DUB11:30Dublin

13h 30m

1 stop

SEA17:00Seattle/Tacoma Intl

31 Jan

SEA14:35Seattle/Tacoma Intl

11h 40m

1 stop

DUB10:15Dublin

€528

Icelandair

21 Nov

DUB11:30Dublin

13h 30m

1 stop

SEA17:00Seattle/Tacoma Intl

7 Dec

SEA14:35Seattle/Tacoma Intl

11h 40m

1 stop

DUB10:15Dublin

€533

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Fri 15/1

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Fri 22/1

14:35-10:15

1 stop11h 40m

€516

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sat 23/1

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sun 31/1

14:35-10:15

1 stop11h 40m

€528

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sat 21/11

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Mon 7/12

14:35-10:15

1 stop11h 40m

€533

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sun 6/12

10:10-22:02

2 stops19h 52m

Seattle/Tacoma Intl

Thu 10/12

10:39-18:20

2 stops23h 41m

€551

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Fri 7/5

19:05-22:05

2 stops35h 00m

Seattle/Tacoma Intl

Sat 15/5

15:55-18:20

1 stop18h 25m

€554

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sat 21/11

10:10-22:04

2 stops19h 54m

Seattle/Tacoma Intl

Mon 7/12

07:15-18:20

2 stops27h 05m

€554

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sat 21/11

11:30-22:31

1 stop19h 01m

Seattle/Tacoma Intl

Mon 7/12

09:15-09:00

1 stop15h 45m

€618

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Wed 2/12

20:40-11:25

1 stop22h 45m

Seattle/Tacoma Intl

Wed 20/1

18:45-16:35

1 stop13h 50m

€627

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Tue 16/3

15:50-09:38

1 stop24h 48m

Seattle/Tacoma Intl

Wed 17/3

19:45-21:05

1 stop18h 20m

€805

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Wed 9/12

19:45-11:25

1 stop23h 40m

Seattle/Tacoma Intl

Wed 16/12

23:39-05:15

1 stop21h 36m

€815

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

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 €541. 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 €564.

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 Tuesday when prices can be found for as low as €680. 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 €990.

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 €689 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 €545 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	€319
Fastest flight time	9h 45m
Direct flights	Mon, Wed, Sat and Sun
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Dublin in the past 72 hours is €319. The best return flight deal from Dublin to State of Washington found on momondo in the last 72 hours is €516.

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

Direct flights go from Dublin to State of Washington on Monday, Wednesday, Saturday and Sunday. There are no airlines offering direct flights..

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 3 as of November 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 53.33% of all bookings. The subsequent popular models are Airbus A330-300 at 18.67%, Airbus A321neo at 6.67%, and Airbus A330 at 6.67%.

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 €411	Free Cancellation	Rating 6.9 767 reviews	Search Icelandair flights
British Airways	PriceFrom €425	Free Cancellation	Rating 6.7 8,286 reviews	Search British Airways flights
Aer Lingus	PriceFrom €502	Free Cancellation	Rating 7.3 1,883 reviews	Search Aer Lingus flights

Why use momondo?

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.

I’m not ready to book a flight from Dublin to Washington right now. Can momondo alert me if prices change?

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.