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Cheap flights from Dublin to Washington from $378

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 5/6. 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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Find the cheapest flights from Dublin to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:15 pm - 5:55 pm
DUB
-
SEA
11h 40m
1 stop
Icelandair Logo
3:40 pm - 1:15 pm
SEA
-
DUB
13h 35m
1 stop
$531Icelandair
Thu, May 7 - Mon, May 18
Icelandair Logo
2:15 pm - 5:55 pm
DUB
-
SEA
11h 40m
1 stop
Icelandair Logo
3:40 pm - 11:05 am
SEA
-
DUB
11h 25m
1 stop
$539Icelandair
Tue, May 5 - Sat, May 9
Icelandair Logo
12:15 pm - 8:40 pm
DUB
-
SEA
16h 25m
1 stop
Icelandair Logo
11:25 pm - 11:05 am
SEA
-
DUB
27h 40m
1 stop
$540Icelandair
Wed, Jun 3 - Mon, Jun 8
JetBlue Logo
10:40 am - 1:10 pm
DUB
-
PDX
34h 30m
1 stop
JetBlue Logo
2:30 pm - 8:20 am
PDX
-
DUB
33h 50m
1 stop
$664JetBlue
Wed, Jun 3 - Tue, Jun 9
JetBlue Logo
10:40 am - 1:10 pm
DUB
-
PDX
34h 30m
1 stop
JetBlue Logo
2:30 pm - 8:20 am
PDX
-
DUB
33h 50m
1 stop
$677JetBlue
Fri, May 22 - Sun, Jun 7
Multiple Airlines Logo
1:00 pm - 1:50 pm
DUB
-
PDX
32h 50m
1 stop
Multiple Airlines Logo
7:05 pm - 7:10 am
PDX
-
DUB
28h 05m
2 stops
$775Multiple Airlines
Fri, May 29 - Fri, Jun 5
Multiple Airlines Logo
9:10 am - 11:45 am
DUB
-
PDX
34h 35m
2 stops
Multiple Airlines Logo
7:05 pm - 8:20 am
PDX
-
DUB
29h 15m
3 stops
$785Multiple Airlines
Fri, May 29 - Fri, Jun 5
Scandinavian Airlines Logo
7:05 pm - 4:33 pm
DUB
-
PDX
29h 28m
2 stops
Scandinavian Airlines Logo
1:38 pm - 7:15 pm
PDX
-
DUB
21h 37m
3 stops
$794Scandinavian Airlines
Fri, Sep 11 - Fri, Sep 18
Scandinavian Airlines Logo
7:50 pm - 4:33 pm
DUB
-
PDX
28h 43m
3 stops
Scandinavian Airlines Logo
1:38 pm - 7:15 pm
PDX
-
DUB
21h 37m
3 stops
$802Scandinavian Airlines
Fri, Sep 11 - Fri, Sep 18
Iberia Logo
12:40 pm - 8:43 pm
DUB
-
GEG
16h 03m
1 stop
Iberia Logo
5:41 am - 9:45 am
GEG
-
DUB
20h 04m
1 stop
$1,117Iberia
Mon, May 25 - Mon, Jun 1

Finnair flights from Dublin to State of Washington

Our best Finnair deals on Dublin to State of Washington flight tickets
Finnair
May 3
DUB9:30 amDublin
18h 06m
1 stop
SEA7:36 pmSeattle/Tacoma Intl
May 16
SEA7:10 amSeattle/Tacoma Intl
18h 35m
1 stop
DUB9:45 amDublin
$573
Finnair
Apr 24
DUB9:30 amDublin
18h 06m
1 stop
SEA7:36 pmSeattle/Tacoma Intl
May 8
SEA1:19 pmSeattle/Tacoma Intl
14h 31m
1 stop
DUB11:50 amDublin
$574
Finnair
Apr 27
DUB9:30 amDublin
18h 06m
1 stop
SEA7:36 pmSeattle/Tacoma Intl
May 12
SEA7:10 amSeattle/Tacoma Intl
18h 35m
1 stop
DUB9:45 amDublin
$575

Aer Lingus flights from Dublin to State of Washington

Our best Aer Lingus deals on Dublin to State of Washington flight tickets
Aer Lingus
May 8
DUB3:25 pmDublin
9h 45m
SEA5:10 pmSeattle/Tacoma Intl
May 21
SEA7:10 pmSeattle/Tacoma Intl
9h 05m
DUB12:15 pmDublin
$588
Aer Lingus
May 9
DUB3:25 pmDublin
9h 45m
SEA5:10 pmSeattle/Tacoma Intl
May 16
SEA7:10 pmSeattle/Tacoma Intl
9h 05m
DUB12:15 pmDublin
$598
Aer Lingus
Apr 17
DUB3:25 pmDublin
9h 45m
SEA5:10 pmSeattle/Tacoma Intl
May 2
SEA7:10 pmSeattle/Tacoma Intl
9h 05m
DUB12:15 pmDublin
$601

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 April 14, 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

Thu 5/7

2:15 pm-5:55 pm

1 stop11h 40m

Seattle/Tacoma Intl

Mon 5/18

3:40 pm-1:15 pm

1 stop13h 35m

$531
Quickest round-trip

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 5/5

2:15 pm-5:55 pm

1 stop11h 40m

Seattle/Tacoma Intl

Sat 5/9

3:40 pm-11:05 am

1 stop11h 25m

$539

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 6/3

12:15 pm-8:40 pm

1 stop16h 25m

Seattle/Tacoma Intl

Mon 6/8

11:25 pm-11:05 am

1 stop27h 40m

$540

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 6/3

10:40 am-1:10 pm

1 stop34h 30m

Portland

Tue 6/9

2:30 pm-8:20 am

1 stop33h 50m

$664

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 5/22

10:40 am-1:10 pm

1 stop34h 30m

Portland

Sun 6/7

2:30 pm-8:20 am

1 stop33h 50m

$677

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 5/29

1:00 pm-1:50 pm

1 stop32h 50m

Portland

Fri 6/5

7:05 pm-7:10 am

2 stops28h 05m

$775

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 5/29

9:10 am-11:45 am

2 stops34h 35m

Portland

Fri 6/5

7:05 pm-8:20 am

3 stops29h 15m

$785

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 9/11

7:05 pm-4:33 pm

2 stops29h 28m

Portland

Fri 9/18

1:38 pm-7:15 pm

3 stops21h 37m

$794

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 9/11

7:50 pm-4:33 pm

3 stops28h 43m

Portland

Fri 9/18

1:38 pm-7:15 pm

3 stops21h 37m

$802

DublinSpokane

DUB - GEG

DUBGEG

Dublin

Mon 5/25

12:40 pm-8:43 pm

1 stop16h 03m

Spokane

Mon 6/1

5:41 am-9:45 am

1 stop20h 04m

$1,117

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 February is, on average, the cheapest month to fly to State of Washington from Dublin, with most prices found around $619. If you aren’t able to travel to State of Washington during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $623.

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 Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $650. 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 to State of 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 $724 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 $594 on momondo.

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

There are 3 cabin classes available to choose from on Dublin to 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 40% 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

$637

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 $637. The best round-trip flight deal from Dublin to State of Washington found on momondo in the last 72 hours is $602.
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 $523Free CancellationRating
7.2
1,507 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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