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$575+ Cheap flights from Cork (ORK) to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORK — SEA
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap 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 September 14, 2025.

Round-trip from

$575
(KLM)
From Cork to Seattle/Tacoma Intl
Search Deals

Find 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 September 14, 2025.

This KLM deal was found by Cheapflights users on 9/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:05 pmORK - SEA
1 stop31h 00mKLM
Mon 9/295:40 pmSEA - ORK
1 stop20h 45mKLM
Deal found 9/13$575
This Delta deal was found by Cheapflights users on 9/12. 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.
Mon 10/276:00 amORK - SEA
2 stops19h 36mDelta
Mon 11/33:00 pmSEA - ORK
1 stop24h 25mDelta
Deal found 9/12$580
This Delta deal was found by Cheapflights users on 9/13. 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.
Thu 9/256:00 amORK - SEA
2 stops18h 40mDelta
Mon 9/295:40 pmSEA - ORK
1 stop20h 45mDelta
Deal found 9/13$581
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 10/296:00 amORK - SEA
2 stops21h 45mDelta
Wed 11/53:00 pmSEA - ORK
1 stop17h 45mDelta
Deal found 9/14$585
This KLM deal was found by Cheapflights users on 9/14. 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.
Wed 10/2911:15 amORK - SEA
1 stop32h 30mKLM
Wed 11/53:00 pmSEA - ORK
1 stop35h 45mKLM
Deal found 9/14$703
This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:05 pmORK - SEA
1 stop27h 25mBritish Airways
Sun 12/286:50 pmSEA - ORK
1 stop20h 35mBritish Airways
Deal found 9/14$712
This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:40 amORK - SEA
2 stops23h 32mBritish Airways
Wed 12/241:19 pmSEA - ORK
2 stops37h 51mBritish Airways
Deal found 9/14$717
This Trip.com deal was found by Cheapflights users on 9/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2711:55 amORK - SEA
1 stop12h 55mMultiple Airlines
Mon 11/37:20 pmSEA - ORK
1 stop17h 40mMultiple Airlines
Deal found 9/12$734
This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:40 amORK - SEA
2 stops23h 32mBritish Airways
Thu 12/256:50 pmSEA - ORK
1 stop20h 35mBritish Airways
Deal found 9/14$741
This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:05 pmORK - SEA
1 stop32h 50mBritish Airways
Sun 12/286:50 pmSEA - ORK
1 stop20h 35mBritish Airways
Deal found 9/14$759
This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:40 amORK - SEA
2 stops23h 32mBritish Airways
Thu 12/253:49 pmSEA - ORK
2 stops21h 11mBritish Airways
Deal found 9/14$764

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 September 14, 2025.
Use the filters below to find and compare flights from Cork to Seattle that are best for you.

Fly from

Cork

Fly to

Seattle

Route

Depart

Return

Price

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 9/25

5:05 pm-4:05 pm

1 stop31h 00m

Seattle/Tacoma Intl

Mon 9/29

5:40 pm-10:25 pm

1 stop20h 45m

$575

CorkSeattle

ORK - SEA

ORKSEA

Cork

Mon 10/27

6:00 am-6:36 pm

2 stops19h 36m

Seattle/Tacoma Intl

Mon 11/3

3:00 pm-11:25 pm

1 stop24h 25m

$580

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 9/25

6:00 am-4:40 pm

2 stops18h 40m

Seattle/Tacoma Intl

Mon 9/29

5:40 pm-10:25 pm

1 stop20h 45m

$581

CorkSeattle

ORK - SEA

ORKSEA

Cork

Wed 10/29

6:00 am-8:45 pm

2 stops21h 45m

Seattle/Tacoma Intl

Wed 11/5

3:00 pm-4:45 pm

1 stop17h 45m

$585

CorkSeattle

ORK - SEA

ORKSEA

Cork

Wed 10/29

11:15 am-12:45 pm

1 stop32h 30m

Seattle/Tacoma Intl

Wed 11/5

3:00 pm-10:45 am

1 stop35h 45m

$703

CorkSeattle

ORK - SEA

ORKSEA

Cork

Tue 12/23

7:40 am-4:55 pm

1 stop17h 15m

Seattle/Tacoma Intl

Sun 12/28

6:50 pm-11:25 pm

1 stop20h 35m

$712

CorkSeattle

ORK - SEA

ORKSEA

Cork

Fri 12/19

7:40 am-11:12 pm

2 stops23h 32m

Seattle/Tacoma Intl

Sun 12/28

6:50 pm-9:00 pm

1 stop18h 10m

$717

CorkSeattle

ORK - SEA

ORKSEA

Cork

Sun 12/21

5:35 pm-11:12 pm

2 stops37h 37m

Seattle/Tacoma Intl

Sun 12/28

6:50 pm-9:00 pm

1 stop18h 10m

$717

CorkSeattle

ORK - SEA

ORKSEA

Cork

Mon 12/22

7:40 am-10:02 am

2 stops34h 22m

Seattle/Tacoma Intl

Sun 12/28

6:50 pm-9:00 pm

1 stop18h 10m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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 19h 36m. KLM provides one of the quickest options available for as low as $580. 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.

  • What is the cheapest month to book a flight from Cork to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Cork to Seattle (average of $238). Flying from Cork to Seattle in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Lacey
Renton
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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