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Flights to Washington

€425 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 2/9. 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
2 Sept
DUB
13h 40m
1 stop
SEA
10 Nov
SEA
11h 40m
1 stop
DUB
€425
Icelandair
8 Apr
DUB
16h 25m
1 stop
SEA
15 Apr
SEA
13h 35m
1 stop
DUB
€445
Icelandair
15 Apr
DUB
16h 25m
1 stop
SEA
22 Apr
SEA
13h 35m
1 stop
DUB
€448
Icelandair
30 Apr
DUB
11h 40m
1 stop
SEA
4 May
SEA
13h 35m
1 stop
DUB
€451
Multiple Airlines
26 Apr
DUB
13h 45m
1 stop
SEA
3 May
SEA
41h 55m
2 stops
DUB
€451
Icelandair
8 Apr
DUB
13h 40m
1 stop
SEA
27 Apr
SEA
13h 35m
1 stop
DUB
€452
Icelandair
8 Apr
DUB
13h 40m
1 stop
SEA
15 Apr
SEA
13h 35m
1 stop
DUB
€453
Icelandair
2 Jun
DUB
11h 40m
1 stop
SEA
30 Jun
SEA
29h 50m
1 stop
DUB
€456
Icelandair
29 Apr
DUB
13h 40m
1 stop
SEA
6 May
SEA
13h 35m
1 stop
DUB
€458
Icelandair
16 Apr
DUB
11h 40m
1 stop
SEA
21 Apr
SEA
11h 25m
1 stop
DUB
€464
Icelandair
14 Apr
DUB
14h 25m
1 stop
SEA
26 Apr
SEA
13h 35m
1 stop
DUB
€468
Icelandair
14 Apr
DUB
14h 25m
1 stop
SEA
24 Apr
SEA
32h 05m
1 stop
DUB
€469

Flights to Spokane

Search all flight deals to Spokane
Multiple Airlines
29 Apr
DUB
14h 06m
1 stop
GEG
6 May
GEG
13h 35m
1 stop
DUB
€717
Lufthansa
29 Apr
DUB
23h 16m
2 stops
GEG
6 May
GEG
25h 50m
2 stops
DUB
€919
Delta
5 May
DUB
15h 47m
2 stops
GEG
19 May
GEG
19h 05m
2 stops
DUB
€922
Delta
5 May
DUB
21h 02m
2 stops
GEG
19 May
GEG
19h 40m
2 stops
DUB
€926
Delta
5 May
DUB
18h 31m
1 stop
GEG
19 May
GEG
18h 26m
2 stops
DUB
€931
Delta
5 May
DUB
16h 54m
2 stops
GEG
19 May
GEG
20h 25m
2 stops
DUB
€932
Delta
5 May
DUB
18h 31m
1 stop
GEG
19 May
GEG
19h 40m
2 stops
DUB
€935
United Airlines
5 May
DUB
19h 26m
2 stops
GEG
19 May
GEG
18h 35m
1 stop
DUB
€938
United Airlines
5 May
DUB
15h 01m
1 stop
GEG
19 May
GEG
18h 35m
1 stop
DUB
€940
Scandinavian Airlines
30 Jul
DUB
29h 18m
3 stops
GEG
11 Aug
GEG
21h 20m
2 stops
DUB
€975
Iberia
5 May
DUB
15h 25m
1 stop
GEG
19 May
GEG
19h 45m
1 stop
DUB
€985
Scandinavian Airlines
30 Jul
DUB
29h 18m
3 stops
GEG
11 Aug
GEG
23h 30m
2 stops
DUB
€986

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
12:15 - 20:40
DUB
-
SEA
16h 25m
1 stop
Icelandair Logo
15:40 - 13:15
SEA
-
DUB
13h 35m
1 stop
€445Icelandair
Wed, 8 Apr - Wed, 15 Apr
Icelandair Logo
12:15 - 20:40
DUB
-
SEA
16h 25m
1 stop
Icelandair Logo
15:40 - 13:15
SEA
-
DUB
13h 35m
1 stop
€448Icelandair
Wed, 15 Apr - Wed, 22 Apr
Delta Logo
06:15 - 11:42
ORK
-
SEA
13h 27m
1 stop
Delta Logo
13:30 - 14:40
SEA
-
ORK
17h 10m
1 stop
€536Delta
Sat, 23 May - Mon, 1 Jun
KLM Logo
17:10 - 11:45
ORK
-
SEA
26h 35m
1 stop
KLM Logo
17:35 - 10:20
SEA
-
ORK
32h 45m
1 stop
€539KLM
Mon, 30 Mar - Sun, 5 Apr
KLM Logo
17:10 - 11:45
ORK
-
SEA
26h 35m
1 stop
KLM Logo
17:35 - 10:20
SEA
-
ORK
32h 45m
1 stop
€540KLM
Thu, 9 Apr - Thu, 16 Apr
Delta Logo
06:15 - 16:37
ORK
-
SEA
18h 22m
2 stops
Delta Logo
10:35 - 10:20
SEA
-
ORK
15h 45m
2 stops
€542Delta
Sat, 23 May - Mon, 1 Jun
Multiple Airlines Logo
06:35 - 09:10
DUB
-
PDX
34h 35m
3 stops
Multiple Airlines Logo
15:30 - 00:35
PDX
-
DUB
25h 05m
2 stops
€555Multiple Airlines
Mon, 13 Apr - Mon, 27 Apr
Multiple Airlines Logo
07:55 - 18:00
DUB
-
PDX
18h 05m
2 stops
Multiple Airlines Logo
15:30 - 19:20
PDX
-
DUB
19h 50m
2 stops
€566Multiple Airlines
Mon, 13 Apr - Mon, 27 Apr
British Airways Logo
16:50 - 11:35
SNN
-
SEA
26h 45m
1 stop
British Airways Logo
13:30 - 20:35
SEA
-
SNN
23h 05m
1 stop
€643British Airways
Wed, 3 Jun - Sun, 7 Jun
British Airways Logo
16:50 - 11:35
SNN
-
SEA
26h 45m
1 stop
British Airways Logo
13:30 - 16:10
SEA
-
SNN
18h 40m
1 stop
€646British Airways
Wed, 3 Jun - Sun, 7 Jun

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 17 March 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

Wed 8/4

12:15-20:40

1 stop16h 25m

Seattle/Tacoma Intl

Wed 15/4

15:40-13:15

1 stop13h 35m

€445

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 15/4

12:15-20:40

1 stop16h 25m

Seattle/Tacoma Intl

Wed 22/4

15:40-13:15

1 stop13h 35m

€448

CorkSeattle

ORK - SEA

ORKSEA

Cork

Sat 23/5

06:15-11:42

1 stop13h 27m

Seattle/Tacoma Intl

Mon 1/6

13:30-14:40

1 stop17h 10m

€536

CorkSeattle

ORK - SEA

ORKSEA

Cork

Mon 30/3

17:10-11:45

1 stop26h 35m

Seattle/Tacoma Intl

Sun 5/4

17:35-10:20

1 stop32h 45m

€539

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 9/4

17:10-11:45

1 stop26h 35m

Seattle/Tacoma Intl

Thu 16/4

17:35-10:20

1 stop32h 45m

€540

CorkSeattle

ORK - SEA

ORKSEA

Cork

Sat 23/5

06:15-16:37

2 stops18h 22m

Seattle/Tacoma Intl

Mon 1/6

10:35-10:20

2 stops15h 45m

€542

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 13/4

06:35-09:10

3 stops34h 35m

Portland

Mon 27/4

15:30-00:35

2 stops25h 05m

€555

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 13/4

07:55-18:00

2 stops18h 05m

Portland

Mon 27/4

15:30-19:20

2 stops19h 50m

€566

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Wed 3/6

16:50-11:35

1 stop26h 45m

Seattle/Tacoma Intl

Sun 7/6

13:30-20:35

1 stop23h 05m

€643

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Wed 3/6

16:50-11:35

1 stop26h 45m

Seattle/Tacoma Intl

Sun 7/6

13:30-16:10

1 stop18h 40m

€646

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 €359/per person and the cheapest flight to State of Washington is €77/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 €653. 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 €845.

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

€292

Best Round-Trip Price

€445

Fastest flight time

18h 00m
The best one-way flight price to Washington from Ireland in the last 72 hours is €292 (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 €445 (Dublin to Seattle/Tacoma Intl).
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The fastest flight to Washington from Ireland takes 18h 00m (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?

95% 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 €566 per ticket. However our users tend to find airfares to State of Washington for around €961 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 €772 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 March 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 €425
Cork to Seattle flightsfrom €536
Dublin to Portland flightsfrom €573
Shannon to Seattle flightsfrom €648
Dublin to Spokane flightsfrom €717
Shannon to Portland flightsfrom €818
Cork to Portland flightsfrom €828
Milltown (Kerry) to Portland flightsfrom €1,829