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Flights to Washington

€393 Cheap flights to Washington

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Washington departing on 5/5. 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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Recent flights found to popular cities in Washington

Find flights to these popular cities in Washington from your nearest airport.

Flights to Seattle

Search all flight deals to Seattle
Icelandair
5 May
DUB
14h 25m
1 stop
SEA
28 May
SEA
11h 25m
1 stop
DUB
€393
Icelandair
5 May
DUB
14h 25m
1 stop
SEA
30 May
SEA
11h 25m
1 stop
DUB
€432
Icelandair
5 Sept
DUB
11h 40m
1 stop
SEA
15 Sept
SEA
11h 25m
1 stop
DUB
€445
Icelandair
6 May
DUB
13h 40m
1 stop
SEA
18 May
SEA
32h 05m
1 stop
DUB
€449
Icelandair
5 May
DUB
11h 40m
1 stop
SEA
30 May
SEA
11h 25m
1 stop
DUB
€454
Icelandair
5 May
DUB
14h 25m
1 stop
SEA
30 May
SEA
11h 25m
1 stop
DUB
€456
Icelandair
21 May
DUB
14h 25m
1 stop
SEA
28 May
SEA
11h 25m
1 stop
DUB
€457
Icelandair
4 May
DUB
14h 25m
1 stop
SEA
11 May
SEA
32h 05m
1 stop
DUB
€460
Icelandair
7 May
DUB
11h 40m
1 stop
SEA
11 May
SEA
32h 05m
1 stop
DUB
€462
Icelandair
21 Apr
DUB
14h 25m
1 stop
SEA
29 Apr
SEA
13h 35m
1 stop
DUB
€465
Icelandair
29 Apr
DUB
13h 40m
1 stop
SEA
7 May
SEA
11h 25m
1 stop
DUB
€472
Icelandair
28 Apr
DUB
11h 40m
1 stop
SEA
6 May
SEA
32h 05m
1 stop
DUB
€473

Flights to Spokane

Search all flight deals to Spokane
Multiple Airlines
21 May
DUB
17h 44m
2 stops
GEG
28 May
GEG
21h 05m
2 stops
DUB
€659
Multiple Airlines
21 May
DUB
13h 53m
1 stop
GEG
28 May
GEG
14h 16m
1 stop
DUB
€747
Multiple Airlines
21 May
DUB
13h 53m
1 stop
GEG
28 May
GEG
14h 16m
1 stop
DUB
€748
Multiple Airlines
21 May
DUB
17h 44m
2 stops
GEG
28 May
GEG
18h 45m
3 stops
DUB
€777
Icelandair
6 May
DUB
17h 16m
2 stops
GEG
13 May
GEG
38h 19m
2 stops
DUB
€915
Iberia
5 May
DUB
15h 25m
1 stop
GEG
19 May
GEG
19h 45m
1 stop
DUB
€946
United Airlines
5 May
DUB
43h 26m
2 stops
GEG
19 May
GEG
18h 35m
1 stop
DUB
€949
Icelandair
5 May
DUB
15h 16m
2 stops
GEG
19 May
GEG
14h 19m
2 stops
DUB
€949
United Airlines
5 May
DUB
43h 26m
2 stops
GEG
19 May
GEG
21h 10m
2 stops
DUB
€951
Delta
2 May
DUB
18h 02m
2 stops
GEG
9 May
GEG
18h 10m
2 stops
DUB
€952
United Airlines
5 May
DUB
43h 26m
2 stops
GEG
19 May
GEG
21h 10m
2 stops
DUB
€953
Delta
21 May
DUB
17h 36m
2 stops
GEG
28 May
GEG
26h 05m
1 stop
DUB
€954

Find the cheapest flights from Ireland to Washington

Recent return flight deals from Ireland to Washington

Enter your travel dates to find the best prices.
Icelandair Logo
14:15 - 20:40
DUB
-
SEA
14h 25m
1 stop
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m
1 stop
€393Icelandair
Tue, 5 May - Thu, 28 May
Icelandair Logo
14:15 - 20:40
DUB
-
SEA
14h 25m
1 stop
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m
1 stop
€432Icelandair
Tue, 5 May - Sat, 30 May
Multiple Airlines Logo
10:50 - 16:30
ORK
-
SEA
13h 40m
1 stop
Multiple Airlines Logo
18:40 - 14:25
SEA
-
ORK
35h 45m
1 stop
€529Multiple Airlines
Fri, 22 May - Fri, 29 May
Delta Logo
06:15 - 19:05
ORK
-
SEA
20h 50m
2 stops
Delta Logo
13:45 - 16:35
SEA
-
ORK
18h 50m
1 stop
€536Delta
Fri, 22 May - Fri, 29 May
Multiple Airlines Logo
10:40 - 09:30
DUB
-
PDX
30h 50m
3 stops
Multiple Airlines Logo
15:30 - 01:15
PDX
-
DUB
25h 45m
3 stops
€638Multiple Airlines
Thu, 21 May - Thu, 28 May
British Airways Logo
07:30 - 00:36
SNN
-
SEA
25h 06m
2 stops
British Airways Logo
13:19 - 16:10
SEA
-
SNN
18h 51m
2 stops
€643British Airways
Mon, 27 Apr - Mon, 4 May
British Airways Logo
07:10 - 22:38
ORK
-
SEA
23h 28m
2 stops
British Airways Logo
20:07 - 23:50
SEA
-
ORK
43h 43m
2 stops
€649British Airways
Wed, 6 May - Sun, 10 May
Delta Logo
06:15 - 19:05
ORK
-
SEA
20h 50m
2 stops
Delta Logo
10:35 - 10:20
SEA
-
ORK
15h 45m
2 stops
€676Delta
Fri, 22 May - Fri, 29 May
Aer Lingus Logo
21:15 - 22:38
SNN
-
SEA
33h 23m
2 stops
Aer Lingus Logo
13:30 - 20:35
SEA
-
SNN
23h 05m
1 stop
€801Aer Lingus
Mon, 27 Apr - Mon, 4 May
Aer Lingus Logo
21:15 - 17:40
SNN
-
PDX
28h 25m
1 stop
Aer Lingus Logo
19:30 - 11:20
PDX
-
SNN
31h 50m
1 stop
€901Aer Lingus
Sun, 27 Sep - Sun, 11 Oct

momondo Fare Finder

 
Locate flights to Washington that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 9 April 2026.
Use the filters below to find and compare flights to Washington that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 5/5

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Thu 28/5

15:40-11:05

1 stop11h 25m

€393

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 5/5

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Sat 30/5

15:40-11:05

1 stop11h 25m

€432

CorkSeattle

ORK - SEA

ORKSEA

Cork

Fri 22/5

10:50-16:30

1 stop13h 40m

Seattle/Tacoma Intl

Fri 29/5

18:40-14:25

1 stop35h 45m

€529

CorkSeattle

ORK - SEA

ORKSEA

Cork

Fri 22/5

06:15-19:05

2 stops20h 50m

Seattle/Tacoma Intl

Fri 29/5

13:45-16:35

1 stop18h 50m

€536

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 21/5

10:40-09:30

3 stops30h 50m

Portland

Thu 28/5

15:30-01:15

3 stops25h 45m

€638

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Mon 27/4

07:30-00:36

2 stops25h 06m

Seattle/Tacoma Intl

Mon 4/5

13:19-16:10

2 stops18h 51m

€643

CorkSeattle

ORK - SEA

ORKSEA

Cork

Wed 6/5

07:10-22:38

2 stops23h 28m

Seattle/Tacoma Intl

Sun 10/5

20:07-23:50

2 stops43h 43m

€649

CorkSeattle

ORK - SEA

ORKSEA

Cork

Fri 22/5

06:15-19:05

2 stops20h 50m

Seattle/Tacoma Intl

Fri 29/5

10:35-10:20

2 stops15h 45m

€676

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Mon 27/4

21:15-22:38

2 stops33h 23m

Seattle/Tacoma Intl

Mon 4/5

13:30-20:35

1 stop23h 05m

€801

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sun 27/9

21:15-17:40

1 stop28h 25m

Portland

Sun 11/10

19:30-11:20

1 stop31h 50m

€901

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington from

Washington flights insights and trends

Explore insights for your Washington flight to craft the best travel plan

What is the cheapest flight I can find to State of Washington?

The average flight to State of Washington costs €156/per person and the cheapest flight to State of Washington is €114/per person. This price varies based on a multitude of factors such as departure airport, airline, time of booking and when you plan on travelling.

See prices from:

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

The cheapest day to depart on your flight to State of Washington is on a Thursday when prices can be found for as low as €641. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to State of Washington for around €834.

Cheapest flights to cities in Washington

Click on the cities below to find out when it's cheapest to fly to Washington from Ireland
Seattle
Seattle
Find flights to Seattle

Cheap Washington flight deals and tips

Summary info about Washington flight prices, duration and airlines

Best One-Way Price

€294

Best Round-Trip Price

€393

Fastest flight time

24h 40m
The best one-way flight price to Washington from Ireland in the last 72 hours is €294 (Dublin to Seattle/Tacoma Intl).
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The best round-trip flight price to Washington from Ireland in the last 72 hours is €393 (Dublin to Seattle/Tacoma Intl).
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The fastest flight to Washington from Ireland takes 24h 40m (Cork to Seattle/Tacoma Intl).
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Frequently asked questions about flying to Washington

What is the best airport to fly into to visit Seattle?

92% of momondo users visit Seattle more often than any other city in State of Washington. When travelling to Seattle, typically the most convenient airport to fly into is Seattle Airport.

I plan on visiting Seattle Marriott Waterfront. Which airport is the quickest drive?

The closest airport to Seattle Marriott Waterfront is Seattle Airport, and would make for the quickest drive. For those interested in a secondary airport to fly into, consider looking at flights heading to Everett Airport.

What is the weather like in State of Washington?

State of Washington typically has a temperature range from 5 °C(December) to 19 °C(July). Those looking to avoid rain and/or snow while visiting State of Washington should plan their trip in July, August, or September, as these months are relatively less likely to have precipitation.

How much are flights to State of Washington?

Flights to State of Washington can be found for as cheap as €836 per ticket. However our users tend to find airfares to State of Washington for around €1,122 on average. If you’re looking to find a good deal on your flight to State of Washington, then you should consider booking if you find anything for €1,075 or less.

What is the best day of the week to fly to State of Washington?

If your travel plans are flexible and you’re looking to save money on flights to State of Washington, then be sure to book your departure on a Thursday. Flying out on a Thursday, as well as a Wednesday, is your best option. Departing on a Tuesday tends to be the most expensive day of the week to fly to State of Washington.

When did momondo last update prices for flights to Washington?

Prices for flights to Washington are refreshed on a daily basis.

How many operators does momondo search for flights to Washington?

The number of operators available for flights to Washington is 2 as of April 2026.

How old do you have to be to fly to Washington?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel 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 licence, 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.

Why use momondo?

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

It is quick and easy to find flights to Washington on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

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

Yes. All flights to Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Washington?

momondo provides multiple filters to help you find the best flight to Washington. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

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

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

An easier way to manage your Washington trip

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Find better results for your trip to Washington

Popular Flights to Washington

Popular routes according to searches in the past day on momondo
Dublin to Seattle flightsfrom €445
Dublin to Portland flightsfrom €636
Shannon to Seattle flightsfrom €641
Shannon to Portland flightsfrom €704
Cork to Portland flightsfrom €749
Cork to Seattle flightsfrom €843
Dublin to Spokane flightsfrom €915
Milltown (Kerry) to Portland flightsfrom €1,797