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$862+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
NCL — SEA
Aug 12 — Aug 191
Wed 8/12
Wed 8/19
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 July 13, 2026.

This Expedia deal was found by Cheapflights users on 7/8. 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.
Fri 9/119:25 am
NCL
-
SEA
1 stop15h 10m
KLM
Sat 9/199:59 am
SEA
-
NCL
2 stops19h 11m
KLM
Deal found 7/8$862
This TravelUp deal was found by Cheapflights users on 7/8. 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.
Fri 9/116:00 am
NCL
-
SEA
1 stop13h 35m
British Airways
Sat 9/198:20 pm
SEA
-
NCL
1 stop28h 05m
British Airways
Deal found 7/8$872
This Expedia deal was found by Cheapflights users on 7/8. 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.
Fri 9/1111:20 am
NCL
-
SEA
2 stops20h 35m
Air France
Sat 9/195:50 pm
SEA
-
NCL
2 stops32h 45m
Air France
Deal found 7/8$890
This Expedia deal was found by Cheapflights users on 7/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
NCL
-
SEA
1 stop13h 35m
British Airways
Mon 8/318:20 pm
SEA
-
NCL
1 stop15h 25m
British Airways
Deal found 7/13$920
This British Airways deal was found by Cheapflights users on 7/8. 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.
Thu 9/39:35 am
NCL
-
SEA
1 stop34h 00m
British Airways
Mon 9/75:50 am
SEA
-
NCL
2 stops26h 50m
British Airways
Deal found 7/8$938
This Expedia deal was found by Cheapflights users on 7/10. 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.
Mon 9/148:45 am
NCL
-
SEA
1 stop16h 25m
Multiple Airlines
Thu 9/177:52 am
SEA
-
NCL
2 stops16h 23m
Multiple Airlines
Deal found 7/10$952

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 July 13, 2026.

Round-trip from

$862
(Expedia)

Popular in

January

Cheapest in

May

Average price

$1,008
From Newcastle upon Tyne to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($348 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($112 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 13, 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

Fri 9/11

9:25 am-4:35 pm

1 stop15h 10m

Seattle/Tacoma Intl

Sat 9/19

9:59 am-1:10 pm

2 stops19h 11m

$862

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 9/3

8:15 pm-11:35 am

1 stop23h 20m

Seattle/Tacoma Intl

Mon 9/7

5:50 am-10:25 am

2 stops20h 35m

$942
Quickest round-trip

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 8/21

5:45 am-11:37 am

1 stop13h 52m

Seattle/Tacoma Intl

Mon 8/31

2:30 pm-4:50 pm

2 stops18h 20m

$973

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 8/21

5:35 pm-5:55 pm

3 stops32h 20m

Seattle/Tacoma Intl

Mon 8/31

3:40 pm-8:45 am

3 stops33h 05m

$992

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 8/21

9:30 am-11:59 pm

2 stops22h 29m

Seattle/Tacoma Intl

Mon 8/31

1:24 pm-7:45 pm

2 stops22h 21m

$996

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Mon 8/3

6:00 am-12:59 am

2 stops26h 59m

Seattle/Tacoma Intl

Tue 8/11

8:20 pm-7:45 pm

1 stop15h 25m

$1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

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, May is the cheapest month in which you can book a flight from Newcastle upon Tyne to Seattle (average of $782). Flying from Newcastle upon Tyne to Seattle in January is currently the most expensive (average of $2,282). 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 KLM can get you from Newcastle upon Tyne to Seattle in just under 13h 52m. Your travel time can differ by up to 9h 28m. 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, May is the cheapest month in which you can book a flight from Newcastle upon Tyne to Seattle (average of $782). Flying from Newcastle upon Tyne to Seattle in January is currently the most expensive (average of $2,282). 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
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Olympia
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Snoqualmie
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Tukwila
Renton
Kent
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