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Cheap flights from Dublin to Washington from $376

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 4/30. 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.
Aer Lingus Logo
3:20 pm - 4:59 pm
DUB
-
SEA
9h 39mnonstop
Aer Lingus Logo
6:45 pm - 11:45 am
SEA
-
DUB
9h 00mnonstop
$600Aer Lingus
Fri, Apr 17 - Fri, Apr 24
Multiple Airlines Logo
7:05 am - 5:00 pm
DUB
-
SEA
17h 55m2 stops
Multiple Airlines Logo
2:35 pm - 7:10 pm
SEA
-
DUB
20h 35m2 stops
$645Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Scandinavian Airlines Logo
10:10 am - 10:20 pm
DUB
-
PDX
20h 10m2 stops
Scandinavian Airlines Logo
10:30 am - 6:20 pm
PDX
-
DUB
23h 50m2 stops
$650Scandinavian Airlines
Sun, Jan 25 - Sun, Feb 8
Scandinavian Airlines Logo
10:10 am - 10:20 pm
DUB
-
PDX
20h 10m2 stops
Scandinavian Airlines Logo
1:02 pm - 6:20 pm
PDX
-
DUB
21h 18m2 stops
$651Scandinavian Airlines
Sun, Jan 25 - Sun, Feb 8
Multiple Airlines Logo
7:05 am - 5:00 pm
DUB
-
SEA
17h 55m2 stops
Multiple Airlines Logo
2:35 pm - 9:35 pm
SEA
-
DUB
23h 00m2 stops
$658Multiple Airlines
Fri, Jan 16 - Sat, Jan 24
Scandinavian Airlines Logo
12:30 pm - 10:20 pm
DUB
-
PDX
41h 50m2 stops
Scandinavian Airlines Logo
1:02 pm - 11:45 am
PDX
-
DUB
38h 43m2 stops
$662Scandinavian Airlines
Wed, Jan 21 - Sun, Feb 15
Icelandair Logo
12:15 pm - 8:40 pm
DUB
-
SEA
16h 25m1 stop
Icelandair Logo
7:00 pm - 11:05 am
SEA
-
DUB
32h 05m1 stop
$668Icelandair
Fri, Apr 17 - Fri, Apr 24
Scandinavian Airlines Logo
10:10 am - 10:20 pm
DUB
-
PDX
20h 10m2 stops
Scandinavian Airlines Logo
10:30 am - 6:20 pm
PDX
-
DUB
23h 50m2 stops
$674Scandinavian Airlines
Sun, Jan 25 - Mon, Feb 9
Icelandair Logo
11:30 am - 5:00 pm
DUB
-
SEA
13h 30m1 stop
Icelandair Logo
2:35 pm - 10:15 am
SEA
-
DUB
11h 40m1 stop
$685Icelandair
Sat, Jan 31 - Sat, Feb 7
British Airways Logo
10:20 am - 3:55 pm
DUB
-
PDX
13h 35m1 stop
British Airways Logo
5:45 pm - 7:45 pm
PDX
-
DUB
18h 00m1 stop
$829British Airways
Wed, Jan 14 - Wed, Jan 21

Aer Lingus flights from Dublin to State of Washington

Our best Aer Lingus deals on Dublin to State of Washington flight tickets
Aer Lingus
Apr 17
DUB3:20 pmDublin
9h 39m
SEA4:59 pmSeattle/Tacoma Intl
Apr 24
SEA6:45 pmSeattle/Tacoma Intl
9h 00m
DUB11:45 amDublin
$600
Find similar
Aer Lingus
Dec 22
DUB4:30 pmDublin
9h 50m
SEA6:20 pmSeattle/Tacoma Intl
Dec 29
SEA8:05 pmSeattle/Tacoma Intl
9h 05m
DUB1:10 pmDublin
$885
Find similar
Aer Lingus
Dec 22
DUB4:30 pmDublin
9h 50m
SEA6:20 pmSeattle/Tacoma Intl
Dec 28
SEA8:05 pmSeattle/Tacoma Intl
9h 05m
DUB1:10 pmDublin
$1,045
Find similar

Icelandair flights from Dublin to State of Washington

Our best Icelandair deals on Dublin to State of Washington flight tickets
Icelandair
Apr 17
DUB12:15 pmDublin
16h 25m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
Apr 24
SEA7:00 pmSeattle/Tacoma Intl
32h 05m
1 stop
DUB11:05 amDublin
$668
Find similar
Icelandair
Jan 31
DUB11:30 amDublin
13h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Feb 7
SEA2:35 pmSeattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 amDublin
$685
Find similar
Icelandair
Jan 25
DUB11:30 amDublin
13h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 30
SEA2:35 pmSeattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 amDublin
$695
Find similar

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 December 18, 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

Fri 4/17

3:20 pm-4:59 pm

Nonstop9h 39m

Seattle/Tacoma Intl

Fri 4/24

6:45 pm-11:45 am

Nonstop9h 00m

$600

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 1/30

7:05 am-5:00 pm

2 stops17h 55m

Seattle/Tacoma Intl

Fri 2/6

2:35 pm-7:10 pm

2 stops20h 35m

$645

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sun 1/25

10:10 am-10:20 pm

2 stops20h 10m

Portland

Sun 2/8

10:30 am-6:20 pm

2 stops23h 50m

$650

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sun 1/25

10:10 am-10:20 pm

2 stops20h 10m

Portland

Sun 2/8

1:02 pm-6:20 pm

2 stops21h 18m

$651

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 1/16

7:05 am-5:00 pm

2 stops17h 55m

Seattle/Tacoma Intl

Sat 1/24

2:35 pm-9:35 pm

2 stops23h 00m

$658

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 1/21

12:30 pm-10:20 pm

2 stops41h 50m

Portland

Sun 2/15

1:02 pm-11:45 am

2 stops38h 43m

$662

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 4/17

12:15 pm-8:40 pm

1 stop16h 25m

Seattle/Tacoma Intl

Fri 4/24

7:00 pm-11:05 am

1 stop32h 05m

$668

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sun 1/25

10:10 am-10:20 pm

2 stops20h 10m

Portland

Mon 2/9

10:30 am-6:20 pm

2 stops23h 50m

$674

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

$685

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 1/14

10:20 am-3:55 pm

1 stop13h 35m

Portland

Wed 1/21

5:45 pm-7:45 pm

1 stop18h 00m

$829

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 $605. If you aren’t able to travel to State of Washington during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $633.

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 $613. 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 afternoon when flights can be purchased for as low as $736. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $750 on average. Flights to State of Washington from Dublin in the morning 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 $712 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 $652 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 39m

Direct flights

Mon, Tue, Wed, Thu, 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 $628. The best round-trip flight deal from Dublin to State of Washington found on momondo in the last 72 hours is $698.
The fastest flight from Dublin to State of Washington takes 9h 39m
Direct flights go from Dublin to State of Washington on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Aer Lingus.
There are 96 airports in State of Washington. From Dublin there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

  • 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
1,397 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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