Cheap flights from Dublin to Washington from $335

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 4/26. 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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Cheap round-trip flights

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Multiple Airlines Logo
9:30 am - 7:36 pm
DUB
-
SEA
18h 06m
1 stop
Multiple Airlines Logo
1:35 pm - 12:05 pm
SEA
-
DUB
14h 30m
1 stop
$466Multiple Airlines
Thu, Apr 9 - Thu, Apr 16
Finnair Logo
9:30 am - 7:29 pm
DUB
-
SEA
17h 59m
1 stop
Finnair Logo
6:44 am - 9:45 am
SEA
-
DUB
19h 01m
1 stop
$470Finnair
Mon, Mar 30 - Mon, Apr 6
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
$490Icelandair
Tue, Apr 14 - Sat, Apr 18
Icelandair Logo
2:15 pm - 8:40 pm
DUB
-
SEA
14h 25m
1 stop
Icelandair Logo
3:40 pm - 11:05 am
SEA
-
DUB
11h 25m
1 stop
$498Icelandair
Tue, Apr 14 - Sat, Apr 18
Delta Logo
5:55 am - 11:10 am
DUB
-
PDX
13h 15m
1 stop
Delta Logo
6:00 am - 7:55 am
PDX
-
DUB
17h 55m
1 stop
$820Delta
Wed, Apr 1 - Wed, Apr 22
Delta Logo
5:55 am - 8:25 pm
DUB
-
PDX
22h 30m
2 stops
Delta Logo
10:45 am - 3:25 pm
PDX
-
DUB
20h 40m
2 stops
$822Delta
Thu, Apr 2 - Thu, Apr 16
Scandinavian Airlines Logo
8:15 pm - 5:08 pm
DUB
-
GEG
28h 53m
2 stops
Scandinavian Airlines Logo
10:50 am - 6:20 pm
GEG
-
DUB
23h 30m
2 stops
$955Scandinavian Airlines
Thu, Jul 30 - Tue, Aug 11
Scandinavian Airlines Logo
7:50 pm - 5:08 pm
DUB
-
GEG
29h 18m
3 stops
Scandinavian Airlines Logo
10:50 am - 6:20 pm
GEG
-
DUB
23h 30m
2 stops
$973Scandinavian Airlines
Thu, Jul 30 - Tue, Aug 11
KLM Logo
5:55 am - 2:49 pm
DUB
-
GEG
16h 54m
2 stops
KLM Logo
6:50 am - 7:55 am
GEG
-
DUB
17h 05m
1 stop
$1,039KLM
Tue, May 5 - Tue, May 19
KLM Logo
8:55 am - 6:57 pm
DUB
-
GEG
18h 02m
2 stops
KLM Logo
6:50 am - 7:55 am
GEG
-
DUB
17h 05m
1 stop
$1,040KLM
Tue, May 5 - Tue, May 19

Finnair flights from Dublin to State of Washington

Our best Finnair deals on Dublin to State of Washington flight tickets
Finnair
Mar 30
DUB9:30 amDublin
17h 59m
1 stop
SEA7:29 pmSeattle/Tacoma Intl
Apr 6
SEA6:44 amSeattle/Tacoma Intl
19h 01m
1 stop
DUB9:45 amDublin
$470
Finnair
Apr 22
DUB9:30 amDublin
18h 06m
1 stop
SEA7:36 pmSeattle/Tacoma Intl
Apr 26
SEA7:09 amSeattle/Tacoma Intl
18h 36m
1 stop
DUB9:45 amDublin
$471
Finnair
May 18
DUB9:30 amDublin
23h 00m
1 stop
SEA12:30 amSeattle/Tacoma Intl
May 28
SEA1:46 pmSeattle/Tacoma Intl
14h 04m
1 stop
DUB11:50 amDublin
$472

KLM flights from Dublin to State of Washington

Our best KLM deals on Dublin to State of Washington flight tickets
KLM
Feb 23
DUB5:15 pmDublin
26h 25m
1 stop
SEA11:40 amSeattle/Tacoma Intl
Mar 8
SEA11:50 amSeattle/Tacoma Intl
12h 55m
1 stop
DUB7:45 amDublin
$524
KLM
Feb 23
DUB5:15 pmDublin
26h 25m
1 stop
SEA11:40 amSeattle/Tacoma Intl
Mar 11
SEA4:05 pmSeattle/Tacoma Intl
13h 35m
1 stop
DUB12:40 pmDublin
$545
KLM
May 18
DUB5:55 amDublin
18h 35m
1 stop
SEA4:30 pmSeattle/Tacoma Intl
May 28
SEA7:15 amSeattle/Tacoma Intl
18h 00m
1 stop
DUB9:15 amDublin
$546

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 February 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

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 4/9

9:30 am-7:36 pm

1 stop18h 06m

Seattle/Tacoma Intl

Thu 4/16

1:35 pm-12:05 pm

1 stop14h 30m

$466

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 3/30

9:30 am-7:29 pm

1 stop17h 59m

Seattle/Tacoma Intl

Mon 4/6

6:44 am-9:45 am

1 stop19h 01m

$470

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 4/14

2:15 pm-5:55 pm

1 stop11h 40m

Seattle/Tacoma Intl

Sat 4/18

3:40 pm-11:05 am

1 stop11h 25m

$490

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 4/14

2:15 pm-8:40 pm

1 stop14h 25m

Seattle/Tacoma Intl

Sat 4/18

3:40 pm-11:05 am

1 stop11h 25m

$498

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 4/1

5:55 am-11:10 am

1 stop13h 15m

Portland

Wed 4/22

6:00 am-7:55 am

1 stop17h 55m

$820

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 4/2

5:55 am-8:25 pm

2 stops22h 30m

Portland

Thu 4/16

10:45 am-3:25 pm

2 stops20h 40m

$822

DublinSpokane

DUB - GEG

DUBGEG

Dublin

Thu 7/30

8:15 pm-5:08 pm

2 stops28h 53m

Spokane

Tue 8/11

10:50 am-6:20 pm

2 stops23h 30m

$955

DublinSpokane

DUB - GEG

DUBGEG

Dublin

Thu 7/30

7:50 pm-5:08 pm

3 stops29h 18m

Spokane

Tue 8/11

10:50 am-6:20 pm

2 stops23h 30m

$973

DublinSpokane

DUB - GEG

DUBGEG

Dublin

Tue 5/5

5:55 am-2:49 pm

2 stops16h 54m

Spokane

Tue 5/19

6:50 am-7:55 am

1 stop17h 05m

$1,039

DublinSpokane

DUB - GEG

DUBGEG

Dublin

Tue 5/5

8:55 am-6:57 pm

2 stops18h 02m

Spokane

Tue 5/19

6:50 am-7:55 am

1 stop17h 05m

$1,040

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 November is, on average, the cheapest month to fly to State of Washington from Dublin, with most prices found around $640. If you aren’t able to travel to State of Washington during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $658.

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 Sunday. Travelers who choose to depart for State of Washington on a Sunday will often find tickets for as low as $672. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to State of Washington for around $912.

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 $731 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 $623 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 39% 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

$628

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 $628. The best round-trip flight deal from Dublin to State of Washington found on momondo in the last 72 hours is $640.
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).
  • 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
1,450 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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Mon 3/16
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