EUR/IE
Find cheap flights to Washington State in 2025/2026 from €393 This is the cheapest return flight found to Washington State from Ireland on FlightsFinder on December 12th 2025 at 17:52. This offer may no longer be available. Click the offer to check live prices & dates of travel.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|
Select a departure date
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.
1. Enter your search requirements for Washington State
2. Compare the best Washington State deals from top comparison engines
3. Book your Washington State flight at the cheapest price
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, September is on average the cheapest time to book flights to Washington State.
You can get flights from €393 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 €701.
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.
A good price for a flight to Seattle is €354 - €432.
Some popular airports near Washington State include Seattle-Tacoma International Airport, Spokane International Airport, and Portland International Airport.
The flight to Washington State (SEA) is roughly 10 hours 33 minutes and 4,526 miles (7,283 kilometres) from Dublin, Ireland - Dublin International Airport (DUB).
The best way is to compare flights to Washington State from leading comparison sites using our search engine dashboard.
Yes, there are direct flights to Washington State.
Here is the average weather forecast in Washington State by month:
• Jan: 8°C
• Feb: 10°C
• Mar: 12°C
• Apr: 15°C
• May: 18°C
• Jun: 21°C
• Jul: 24°C
• Aug: 25°C
• Sep: 21°C
• Oct: 15°C
• Nov: 11°C
• Dec: 8°C
The Seattle-Tacoma International Airport in Washington State is approximately 13 miles from the city center.
Typically, flights are cheapest to Washington State 2 months before departure.
Studies show flights to Washington State are typically cheaper on Tuesdays and Wednesdays.
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): €393
Depart: 04 Sep 2026 · Return: 18 Sep 2026 Price found 12 Dec 2025, 17:52
From Cork (ORK), Ireland to Seattle, United States (SEA): €611
Depart: 26 Jan 2026 · Return: 30 Jan 2026 Price found 09 Dec 2025, 16:13
From Shannon (SNN), Ireland to Seattle, United States (SEA): €638
Depart: 24 Jan 2026 · Return: 05 Feb 2026 Price found 11 Dec 2025, 11:01
From Farranfore (KIR), Ireland to Seattle, United States (SEA): €801
Depart: 23 May 2026 · Return: 26 May 2026 Price found 10 Dec 2025, 03:54
From Knock (NOC), Ireland to Seattle, United States (SEA): €1,036
Depart: 26 Dec 2025 · Return: 30 Dec 2025 Price found 09 Dec 2025, 22:00
USD/USA
GBP/UK
AUD/Australia
CAD/Canada
INR/India
AED/United Arab Emirates
HKD/Hong Kong
ILS/Israel
MYR/Malaysia
NZD/New Zealand
PHP/Philippines
SAR/Saudi Arabia
SGD/Singapore
ZAR/South Africa
IDR/Indonesia