EUR/IE
Find cheap flights to Washington State in 2025/2026 from €388 This is the cheapest return flight found to Washington State from Ireland on FlightsFinder on November 12th 2025 at 19:03. This offer may no longer be available. Click the offer to check live prices & dates of travel.
Our Flight Finder compares the cheapest flights to Washington State from the most established flight comparison sites.
Fly to Washington State and visit sites like Olympic National Park, Space Needle, Mount Rainier & Mount Rainier National Park.
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These economy flights were found on FlightsFinder from Ireland to Washington State in the last few days. Prices subject to availability.
These economy flights were found on FlightsFinder from Ireland to Washington State in the last few days. Prices subject to availability.
According to our data, October is on average the cheapest time to book flights to Washington State.
You can get flights from €388 return.
According to our data, July is on average the most expensive time to book flights to Washington State.
A return flight could set you back more than €692.
Nestled in the stunning Pacific Northwest region of the United States, Washington State boasts a beguiling blend of nature, culture, and innovation. From the vibrant streets of Seattle with its iconic Space Needle and bustling Pike Place Market to the serene shores of Puget Sound and the majestic peaks of the Cascade Mountains, Washington State offers a diverse range of experiences for every type of traveler. Explore lush forests, sip on world-class wines in the picturesque Yakima Valley, or embark on a scenic ferry ride through the San Juan Islands – Washington State is a captivating destination waiting to be discovered.
Average Temperature
8°C
Jan
10°C
Feb
12°C
Mar
15°C
Apr
18°C
May
21°C
Jun
24°C
Jul
25°C
Aug
21°C
Sep
15°C
Oct
11°C
Nov
8°C
Dec
Select a City Below to see the Cheapest Flights to Washington:
Seattle, Washington | Spokane, Washington | Pasco, Washington | Bellingham, Washington | Yakima, Washington | Wenatchee, Washington | Pullman, Washington | Walla Walla, Washington | Friday Harbor, Washington | Eastsound, Washington
Dublin, Ireland - Dublin International Airport (DUB) to Washington State (SEA)
Distance:
4,526 miles (7,283 kilometres)
Average flight time (direct 10 hours 33 minutes)
Shannon, Ireland - Shannon International Airport (SNN) to Washington State (SEA)
Distance:
4,488 miles (7,222 kilometres)
Average flight time (direct 10 hours 28 minutes)
Knock, Ireland - Ireland West Airport (NOC) to Washington State (SEA)
Distance:
4,430 miles (7,130 kilometres)
Average flight time (direct 10 hours 20 minutes)
Cork, Ireland - Cork International Airport (ORK) to Washington State (SEA)
Distance:
4,544 miles (7,312 kilometres)
Average flight time (direct 10 hours 35 minutes)
Kerry, Ireland - Kerry Airport (KIR) to Washington State (SEA)
Distance:
4,497 miles (7,237 kilometres)
Average flight time (direct 10 hours 29 minutes)
Donegal, Ireland - Donegal Airport (CFN) to Washington State (SEA)
Distance:
4,387 miles (7,060 kilometres)
Average flight time (direct 10 hours 14 minutes)
Waterford, Ireland - Waterford Airport (WAT) to Washington State (SEA)
Distance:
4,566 miles (7,349 kilometres)
Average flight time (direct 10 hours 38 minutes)
From Dublin (DUB), Ireland to Seattle, United States (SEA): €388
Depart: 02 Oct 2026 · Return: 09 Oct 2026 Price found 12 Nov 2025, 19:03
From Cork (ORK), Ireland to Seattle, United States (SEA): €565
Depart: 09 Feb 2026 · Return: 25 Feb 2026 Price found 13 Nov 2025, 22:32
From Shannon (SNN), Ireland to Seattle, United States (SEA): €566
Depart: 21 Jan 2026 · Return: 26 Jan 2026 Price found 10 Nov 2025, 16:08
From Knock (NOC), Ireland to Seattle, United States (SEA): €716
Depart: 02 Mar 2026 · Return: 07 Mar 2026 Price found 12 Nov 2025, 17:08
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