Cheap flights from Dublin to Washington from $360

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 10/3. 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

Scandinavian Airlines Logo
7:05 pm - 2:00 pmDUB-SEA
26h 55m1 stop
Scandinavian Airlines Logo
4:20 pm - 11:50 amSEA-DUB
35h 30m1 stop
$440Scandinavian Airlines
Find Deal
Thu, Oct 16 - Wed, Oct 22
Scandinavian Airlines Logo
8:05 pm - 2:00 pmDUB-SEA
25h 55m2 stops
Scandinavian Airlines Logo
4:20 pm - 10:25 amSEA-DUB
34h 05m1 stop
$448Scandinavian Airlines
Find Deal
Sat, Oct 18 - Fri, Oct 24
Icelandair Logo
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
Icelandair Logo
2:35 pm - 10:15 amSEA-DUB
11h 40m1 stop
$504Icelandair
Find Deal
Sat, Jan 31 - Sat, Feb 7
Lufthansa Logo
5:55 am - 11:55 amDUB-SEA
14h 00m1 stop
Lufthansa Logo
8:00 am - 10:20 amSEA-DUB
18h 20m1 stop
$521Lufthansa
Find Deal
Mon, Oct 6 - Mon, Oct 13
Lufthansa Logo
5:10 am - 1:10 pmDUB-SEA
15h 00m1 stop
Lufthansa Logo
3:10 pm - 5:10 pmSEA-DUB
18h 00m1 stop
$523Lufthansa
Find Deal
Fri, Oct 31 - Fri, Nov 7
Icelandair Logo
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
Icelandair Logo
2:35 pm - 10:15 amSEA-DUB
11h 40m1 stop
$525Icelandair
Find Deal
Sun, Nov 9 - Sun, Nov 23
British Airways Logo
8:40 pm - 11:30 amDUB-SEA
22h 50m1 stop
British Airways Logo
6:50 pm - 5:00 pmSEA-DUB
14h 10m1 stop
$541British Airways
Find Deal
Mon, Dec 22 - Tue, Dec 30
American Airlines Logo
10:55 am - 4:55 pmDUB-SEA
14h 00m1 stop
American Airlines Logo
11:42 am - 3:25 pmSEA-DUB
19h 43m2 stops
$547American Airlines
Find Deal
Tue, Nov 18 - Mon, Nov 24
British Airways Logo
10:55 am - 4:55 pmDUB-SEA
14h 00m1 stop
British Airways Logo
1:40 pm - 5:00 pmSEA-DUB
19h 20m2 stops
$549British Airways
Find Deal
Sat, Jan 31 - Wed, Feb 11
American Airlines Logo
10:45 am - 4:55 pmDUB-SEA
14h 10m1 stop
American Airlines Logo
6:50 pm - 3:25 pmSEA-DUB
12h 35m1 stop
$550American Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 24

Scandinavian Airlines flights from Dublin to State of Washington

Our best Scandinavian Airlines deals on Dublin to State of Washington flight tickets
Scandinavian Airlines
Oct 16
DUB7:05 pmDublin
26h 55m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
Oct 22
SEA4:20 pmSeattle/Tacoma Intl
35h 30m
1 stop
DUB11:50 amDublin
Scandinavian Airlines
Oct 18
DUB8:05 pmDublin
25h 55m
2 stops
SEA2:00 pmSeattle/Tacoma Intl
Oct 24
SEA4:20 pmSeattle/Tacoma Intl
34h 05m
1 stop
DUB10:25 amDublin
Scandinavian Airlines
Oct 18
DUB8:05 pmDublin
25h 55m
2 stops
SEA2:00 pmSeattle/Tacoma Intl
Oct 24
SEA4:20 pmSeattle/Tacoma Intl
34h 05m
1 stop
DUB10:25 amDublin

American Airlines flights from Dublin to State of Washington

Our best American Airlines deals on Dublin to State of Washington flight tickets
American Airlines
Nov 18
DUB10:55 amDublin
14h 00m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
Nov 24
SEA11:42 amSeattle/Tacoma Intl
19h 43m
2 stops
DUB3:25 pmDublin
American Airlines
Nov 14
DUB10:45 amDublin
14h 10m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
Nov 24
SEA6:50 pmSeattle/Tacoma Intl
12h 35m
1 stop
DUB3:25 pmDublin
American Airlines
Oct 24
DUB12:45 pmDublin
30h 50m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Nov 5
SEA12:59 amSeattle/Tacoma Intl
27h 26m
2 stops
DUB12:25 pmDublin

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 September 17, 2025.
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 10/16

7:05 pm-2:00 pm

1 stop26h 55m

Seattle/Tacoma Intl

Wed 10/22

4:20 pm-11:50 am

1 stop35h 30m

$440

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 10/18

8:05 pm-2:00 pm

2 stops25h 55m

Seattle/Tacoma Intl

Fri 10/24

4:20 pm-10:25 am

1 stop34h 05m

$448

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 1/31

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Sat 2/7

2:35 pm-10:15 am

1 stop11h 40m

$504

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 10/6

5:55 am-11:55 am

1 stop14h 00m

Seattle/Tacoma Intl

Mon 10/13

8:00 am-10:20 am

1 stop18h 20m

$521

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 10/31

5:10 am-1:10 pm

1 stop15h 00m

Seattle/Tacoma Intl

Fri 11/7

3:10 pm-5:10 pm

1 stop18h 00m

$523

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sun 11/9

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Sun 11/23

2:35 pm-10:15 am

1 stop11h 40m

$525

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 12/22

8:40 pm-11:30 am

1 stop22h 50m

Seattle/Tacoma Intl

Tue 12/30

6:50 pm-5:00 pm

1 stop14h 10m

$541

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 11/18

10:55 am-4:55 pm

1 stop14h 00m

Seattle/Tacoma Intl

Mon 11/24

11:42 am-3:25 pm

2 stops19h 43m

$547

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 1/31

10:55 am-4:55 pm

1 stop14h 00m

Seattle/Tacoma Intl

Wed 2/11

1:40 pm-5:00 pm

2 stops19h 20m

$549

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 11/14

10:45 am-4:55 pm

1 stop14h 10m

Seattle/Tacoma Intl

Mon 11/24

6:50 pm-3:25 pm

1 stop12h 35m

$550

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 $608. If you aren’t able to travel to State of Washington during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $636.

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 $635. 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 $997.

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

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $750. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $803 on average. Flights to State of Washington from Dublin in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $728 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 $600 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 26% 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

$629

Fastest flight time

9h 40m

Direct flights

Every day

Airports in State of Washington

1 airport
The best one-way flight to State of Washington from Dublin in the past 72 hours is $629. The best round-trip flight deal from Dublin to State of Washington found on momondo in the last 72 hours is $550.
The fastest flight from Dublin to State of Washington takes 9h 40m
Direct flights go from Dublin to State of Washington every day.
There is 1 airport near State of Washington: 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 $525Free CancellationRating
7.2
1,277 reviews
Search Aer Lingus flights
IcelandairPriceFrom $556Free CancellationRating
7.0
545 reviews
Search Icelandair flights
American AirlinesPriceFrom $684Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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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1 adult
Fri 10/17
Fri 10/24

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