HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$587+ Cheap flights from Cork (ORK) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORK — SEA
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Cork to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Cork to Seattle

Cheapest flights from Cork to Seattle
Explore the most affordable flight options available from Cork to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:15 am
ORK
-
SEA
1 stop13h 27m
Delta
Mon 6/11:30 pm
SEA
-
ORK
1 stop17h 10m
Delta
Deal found 3/13$615
This KLM deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:10 pm
ORK
-
SEA
1 stop26h 35m
KLM
Sun 4/55:35 pm
SEA
-
ORK
1 stop32h 45m
KLM
Deal found 3/14$618
This KLM deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:10 pm
ORK
-
SEA
1 stop26h 35m
KLM
Thu 4/165:35 pm
SEA
-
ORK
1 stop32h 45m
KLM
Deal found 3/16$620
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:15 am
ORK
-
SEA
2 stops18h 32m
Delta
Thu 4/167:15 am
SEA
-
ORK
2 stops19h 05m
Delta
Deal found 3/14$625
This KLM deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:10 pm
ORK
-
SEA
1 stop28h 05m
KLM
Mon 6/11:30 pm
SEA
-
ORK
1 stop17h 10m
KLM
Deal found 3/14$636
This KLM deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:10 pm
ORK
-
SEA
1 stop28h 05m
Multiple Airlines
Mon 6/16:45 pm
SEA
-
ORK
1 stop35h 55m
Multiple Airlines
Deal found 3/15$638

Find flight deals from Cork to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Cork (ORK) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 17, 2026.

Round-trip from

$615
(Delta)

One-way from

$587
(oojo)
From Cork to Seattle/Tacoma Intl
Search Deals
One-way flight from Cork to Seattle/Tacoma Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cork to Seattle 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, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Cork to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CorkSeattle

ORK - SEA

ORKSEA

Cork

Mon 3/30

5:10 pm-11:45 am

1 stop26h 35m

Seattle/Tacoma Intl

Sun 4/5

5:35 pm-10:20 am

1 stop32h 45m

$618

CorkSeattle

ORK - SEA

ORKSEA

Cork

Sat 5/23

6:15 am-7:05 pm

2 stops20h 50m

Seattle/Tacoma Intl

Mon 6/1

9:30 am-10:20 am

2 stops16h 50m

$620

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 4/9

5:10 pm-11:45 am

1 stop26h 35m

Seattle/Tacoma Intl

Thu 4/16

5:35 pm-10:20 am

1 stop32h 45m

$620

CorkSeattle

ORK - SEA

ORKSEA

Cork

Sat 5/23

6:15 am-11:42 am

1 stop13h 27m

Seattle/Tacoma Intl

Mon 6/1

6:45 pm-2:40 pm

1 stop35h 55m

$623
Quickest round-trip

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 4/9

6:15 am-11:45 am

1 stop13h 30m

Seattle/Tacoma Intl

Thu 4/16

8:50 am-10:20 am

2 stops17h 30m

$623

CorkSeattle

ORK - SEA

ORKSEA

Cork

Sat 5/23

3:10 pm-11:15 am

1 stop28h 05m

Seattle/Tacoma Intl

Mon 6/1

1:30 pm-2:40 pm

1 stop17h 10m

$636

CorkSeattle

ORK - SEA

ORKSEA

Cork

Wed 4/15

8:30 pm-12:36 am

2 stops36h 06m

Seattle/Tacoma Intl

Sun 4/19

1:19 pm-11:50 pm

2 stops26h 31m

$745
Cheapest one-way
Quickest one-way

CorkSeattle

ORK - SEA

ORKSEA

Cork

Wed 7/8

7:10 am-5:10 pm

2 stops18h 00m

$593

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Sorted by cheapest first

Best time to book a flight from Cork to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Cork with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Cork to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Cork to Seattle?

    A quick flight from Cork to Seattle can take about 20h 50m. KLM provides one of the quickest options available for as low as $620. The distance from Cork to Seattle is about 4541 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Cork to Seattle that include hotel bookings?

    Yes. In addition to deals on Cork to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cork to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cork to Seattle.

  • Can I find deals for business class flights from Cork to Seattle?

    Yes. Cheapflights offers flight deals from Cork to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Ellensburg
Tukwila
Fife
Lakewood
Aberdeen
Shoreline
Marysville
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cork to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Seattle flights
Dublin to Portland flights
Dublin to Spokane flights
Shannon to Portland flights
Shannon to Seattle flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.