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$700+ Cheap flights from Newcastle upon Tyne (NCL) 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
NCL — SEA
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Cheap flight deals from Newcastle upon Tyne to Seattle

Cheapest flights from Newcastle upon Tyne to Seattle
Explore the most affordable flight options available from Newcastle upon Tyne to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.

This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:45 am
NCL
-
SEA
1 stop16h 25m
Aer Lingus
Fri 7/107:10 pm
SEA
-
NCL
1 stop12h 30m
Aer Lingus
Deal found 6/9$700
This TravelUp deal was found by Cheapflights users on 6/7. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:45 am
NCL
-
SEA
1 stop16h 25m
British Airways
Mon 7/208:20 pm
SEA
-
NCL
1 stop15h 25m
British Airways
Deal found 6/7$710
This TravelUp deal was found by Cheapflights users on 6/7. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:25 am
NCL
-
SEA
1 stop15h 45m
British Airways
Thu 10/17:10 pm
SEA
-
NCL
1 stop29h 05m
British Airways
Deal found 6/7$739
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:45 am
NCL
-
SEA
1 stop16h 25m
British Airways
Fri 9/117:10 pm
SEA
-
NCL
1 stop12h 30m
British Airways
Deal found 6/10$741
This British Airways deal was found by Cheapflights users on 6/9. 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.
Wed 7/89:25 am
NCL
-
SEA
1 stop15h 45m
British Airways
Mon 7/208:20 pm
SEA
-
NCL
1 stop15h 25m
British Airways
Deal found 6/9$745
This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:45 am
NCL
-
SEA
1 stop16h 25m
British Airways
Tue 7/147:10 pm
SEA
-
NCL
1 stop29h 05m
British Airways
Deal found 6/9$752
This British Airways deal was found by Cheapflights users on 6/7. 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 9/58:45 am
NCL
-
SEA
1 stop16h 25m
British Airways
Sun 9/207:10 pm
SEA
-
NCL
1 stop29h 05m
British Airways
Deal found 6/7$778
This ChecknFly deal was found by Cheapflights users on 6/10. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
NCL
-
SEA
2 stops25h 35m
Iberia
Fri 9/1111:57 pm
SEA
-
NCL
2 stops31h 33m
Iberia
Deal found 6/10$783

Find flight deals from Newcastle upon Tyne to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Newcastle upon Tyne (NCL) 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 June 11, 2026.

Round-trip from

$700
(Expedia)

Popular in

January

Cheapest in

March

Average price

$1,051
From Newcastle upon Tyne to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($142 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newcastle upon Tyne 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 June 11, 2026.
Use the filters below to find and compare flights from Newcastle upon Tyne to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Tue 7/7

8:45 am-5:10 pm

1 stop16h 25m

Seattle/Tacoma Intl

Mon 7/20

8:20 pm-7:45 pm

1 stop15h 25m

$710
Quickest round-trip

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 7/8

9:25 am-5:10 pm

1 stop15h 45m

Seattle/Tacoma Intl

Mon 7/20

8:20 pm-7:45 pm

1 stop15h 25m

$747

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Tue 7/7

5:45 am-11:33 am

1 stop13h 48m

Seattle/Tacoma Intl

Tue 7/14

6:05 am-10:35 am

2 stops20h 30m

$795

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 12/2

4:50 pm-4:55 pm

1 stop32h 05m

Seattle/Tacoma Intl

Sun 12/6

11:22 am-3:55 pm

2 stops20h 33m

$795

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 7/8

5:45 am-11:33 am

1 stop13h 48m

Seattle/Tacoma Intl

Mon 7/20

10:35 am-1:15 pm

2 stops18h 40m

$800

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Tue 7/7

7:40 pm-5:10 pm

2 stops29h 30m

Seattle/Tacoma Intl

Mon 7/20

7:10 pm-7:10 pm

2 stops16h 00m

$908

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 7/8

9:25 am-11:08 pm

2 stops21h 43m

Seattle/Tacoma Intl

Mon 7/20

10:35 am-1:15 pm

2 stops18h 40m

$933

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Sorted by cheapest first

Best time to book a flight from Newcastle upon Tyne to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Newcastle upon Tyne 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.

Cheapflights Insights

Everything you need to know about your flight from Newcastle upon Tyne to Seattle

What is the cheapest month to book a flight from Newcastle upon Tyne to Seattle?

Currently, March is the cheapest month in which you can book a flight from Newcastle upon Tyne to Seattle (average of $737). Flying from Newcastle upon Tyne to Seattle in January is currently the most expensive (average of $1,498). 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.

How much does it cost to fly round-trip from Newcastle upon Tyne to Seattle?

Related info for your journey

Find useful and relevant information for your journey from Newcastle upon Tyne 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 Newcastle upon Tyne to Seattle?

    British Airways and Delta can get you from Newcastle upon Tyne to Seattle in just under 13h 48m. Your travel time can differ by up to 2h 37m. Newcastle upon Tyne and Seattle are separated by a distance of 4559 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 Newcastle upon Tyne to Seattle that include hotel bookings?

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

  • How can I find direct flights from Newcastle upon Tyne to Seattle?

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

  • Can I find deals for business class flights from Newcastle upon Tyne to Seattle?

    Yes. Cheapflights offers flight deals from Newcastle upon Tyne 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 Newcastle upon Tyne to Seattle?

    Currently, March is the cheapest month in which you can book a flight from Newcastle upon Tyne to Seattle (average of $737). Flying from Newcastle upon Tyne to Seattle in January is currently the most expensive (average of $1,498). 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
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline

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