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Cheap flights from Dublin to Washington from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Washington departing on 6/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Dublin to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Finnair Logo
9:30 am - 12:41 am
DUB
-
SEA
23h 11m
1 stop
Finnair Logo
10:27 am - 11:50 am
SEA
-
DUB
17h 23m
1 stop
$578Finnair
Mon, Jun 8 - Tue, Jun 23
Finnair Logo
9:30 am - 12:41 am
DUB
-
SEA
23h 11m
1 stop
Finnair Logo
10:27 am - 11:50 am
SEA
-
DUB
17h 23m
1 stop
$579Finnair
Mon, Jun 8 - Wed, Jun 24
Finnair Logo
9:30 am - 12:41 am
DUB
-
SEA
23h 11m
1 stop
Finnair Logo
10:27 am - 11:50 am
SEA
-
DUB
17h 23m
1 stop
$580Finnair
Mon, Jun 8 - Tue, Jun 23
Scandinavian Airlines Logo
8:00 pm - 1:45 pm
DUB
-
SEA
25h 45m
2 stops
Scandinavian Airlines Logo
3:55 pm - 6:20 pm
SEA
-
DUB
18h 25m
1 stop
$594Scandinavian Airlines
Sat, Sep 26 - Sun, Oct 4
British Airways Logo
10:30 am - 6:25 pm
DUB
-
SEA
15h 55m
1 stop
British Airways Logo
1:30 pm - 9:40 am
SEA
-
DUB
12h 10m
1 stop
$596British Airways
Tue, Jun 23 - Mon, Jun 29
Scandinavian Airlines Logo
8:00 pm - 1:45 pm
DUB
-
SEA
25h 45m
2 stops
Scandinavian Airlines Logo
3:55 pm - 6:20 pm
SEA
-
DUB
18h 25m
1 stop
$602Scandinavian Airlines
Sat, Sep 26 - Sun, Oct 4
JetBlue Logo
10:40 am - 10:31 pm
DUB
-
PDX
19h 51m
1 stop
JetBlue Logo
2:16 pm - 8:20 am
PDX
-
DUB
34h 04m
1 stop
$721JetBlue
Thu, Jul 9 - Wed, Jul 22
JetBlue Logo
10:40 am - 10:31 pm
DUB
-
PDX
19h 51m
1 stop
JetBlue Logo
11:44 pm - 8:20 am
PDX
-
DUB
24h 36m
1 stop
$726JetBlue
Mon, Jul 6 - Sun, Jul 19
Multiple Airlines Logo
10:40 am - 1:50 pm
DUB
-
PDX
59h 10m
2 stops
Multiple Airlines Logo
3:30 pm - 1:15 pm
PDX
-
DUB
13h 45m
1 stop
$731Multiple Airlines
Wed, Sep 9 - Wed, Sep 23
Multiple Airlines Logo
12:15 pm - 1:50 pm
DUB
-
PDX
33h 35m
2 stops
Multiple Airlines Logo
7:05 pm - 11:05 am
PDX
-
DUB
32h 00m
1 stop
$732Multiple Airlines
Fri, Jul 17 - Fri, Jul 31

Finnair flights from Dublin to State of Washington

Our best Finnair deals on Dublin to State of Washington flight tickets
Finnair
Jun 8
DUB9:30 amDublin
23h 11m
1 stop
SEA12:41 amSeattle/Tacoma Intl
Jun 23
SEA10:27 amSeattle/Tacoma Intl
17h 23m
1 stop
DUB11:50 amDublin
$578
Finnair
Jun 8
DUB9:30 amDublin
23h 11m
1 stop
SEA12:41 amSeattle/Tacoma Intl
Jun 24
SEA10:27 amSeattle/Tacoma Intl
17h 23m
1 stop
DUB11:50 amDublin
$579
Finnair
Jun 8
DUB9:30 amDublin
23h 11m
1 stop
SEA12:41 amSeattle/Tacoma Intl
Jun 23
SEA10:27 amSeattle/Tacoma Intl
17h 23m
1 stop
DUB11:50 amDublin
$580

British Airways flights from Dublin to State of Washington

Our best British Airways deals on Dublin to State of Washington flight tickets
British Airways
Jun 23
DUB10:30 amDublin
15h 55m
1 stop
SEA6:25 pmSeattle/Tacoma Intl
Jun 29
SEA1:30 pmSeattle/Tacoma Intl
12h 10m
1 stop
DUB9:40 amDublin
$596
British Airways
Jun 9
DUB8:25 pmDublin
23h 10m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Jun 18
SEA1:30 pmSeattle/Tacoma Intl
17h 00m
1 stop
DUB2:30 pmDublin
$614
British Airways
Nov 1
DUB8:40 pmDublin
27h 15m
1 stop
PDX3:55 pmPortland
Nov 14
PDX1:28 pmPortland
17h 32m
2 stops
DUB3:00 pmDublin
$843

momondo Fare Finder

 
Customize your flight search to find flights from Dublin to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 30, 2026.
Use the filters below to find and compare flights from Dublin to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 6/8

9:30 am-12:41 am

1 stop23h 11m

Seattle/Tacoma Intl

Tue 6/23

10:27 am-11:50 am

1 stop17h 23m

$578

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 6/8

9:30 am-12:41 am

1 stop23h 11m

Seattle/Tacoma Intl

Wed 6/24

10:27 am-11:50 am

1 stop17h 23m

$579

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 6/8

9:30 am-12:41 am

1 stop23h 11m

Seattle/Tacoma Intl

Tue 6/23

10:27 am-11:50 am

1 stop17h 23m

$580

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 9/26

8:00 pm-1:45 pm

2 stops25h 45m

Seattle/Tacoma Intl

Sun 10/4

3:55 pm-6:20 pm

1 stop18h 25m

$594
Quickest round-trip

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 6/23

10:30 am-6:25 pm

1 stop15h 55m

Seattle/Tacoma Intl

Mon 6/29

1:30 pm-9:40 am

1 stop12h 10m

$596

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 9/26

8:00 pm-1:45 pm

2 stops25h 45m

Seattle/Tacoma Intl

Sun 10/4

3:55 pm-6:20 pm

1 stop18h 25m

$602

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 7/9

10:40 am-10:31 pm

1 stop19h 51m

Portland

Wed 7/22

2:16 pm-8:20 am

1 stop34h 04m

$721

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 7/6

10:40 am-10:31 pm

1 stop19h 51m

Portland

Sun 7/19

11:44 pm-8:20 am

1 stop24h 36m

$726

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 9/9

10:40 am-1:50 pm

2 stops59h 10m

Portland

Wed 9/23

3:30 pm-1:15 pm

1 stop13h 45m

$731

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 7/17

12:15 pm-1:50 pm

2 stops33h 35m

Portland

Fri 7/31

7:05 pm-11:05 am

1 stop32h 00m

$732

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

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

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

The month of September is, on average, the cheapest month to fly to State of Washington from Dublin, with most prices found around $429. If you aren’t able to travel to State of Washington during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $430.

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

The cheapest day to depart from Dublin to State of Washington is on a Saturday. Travelers who choose to depart for State of Washington on a Saturday will often find tickets for as low as $614. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to State of Washington for around $1,226.

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 $723 when searching weeks out. 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 $555 on momondo.

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

There are 3 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 28% 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

$647

Fastest flight time

9h 45m

Direct flights

Every day

Airports in State of Washington

96 airports
The best one-way flight to State of Washington from Dublin in the past 72 hours is $647. The best round-trip flight deal from Dublin to State of Washington found on momondo in the last 72 hours is $615.
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 were last updated today.

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

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Dublin to State of Washington?

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
Aer LingusPriceFrom $532Free CancellationRating
7.3
1,589 reviews
Search Aer Lingus flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Washington. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Washington from Dublin with this policy.

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

momondo helps you find the best flight between Dublin and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Dublin to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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