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$945+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
NCL — SEA
Jun 12 — Jun 191
Fri 6/12
Fri 6/19
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 May 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:05 pm
NCL
-
SEA
2 stops31h 08m
Multiple Airlines
Wed 9/307:10 pm
SEA
-
NCL
1 stop15h 55m
Multiple Airlines
Deal found 5/9$945
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:55 am
NCL
-
SEA
2 stops30h 39m
Multiple Airlines
Wed 9/307:10 pm
SEA
-
NCL
1 stop15h 55m
Multiple Airlines
Deal found 5/9$960
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:45 pm
NCL
-
SEA
2 stops30h 28m
Multiple Airlines
Wed 9/307:10 pm
SEA
-
NCL
1 stop15h 55m
Multiple Airlines
Deal found 5/9$980
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:05 pm
NCL
-
SEA
2 stops31h 08m
Multiple Airlines
Mon 9/287:10 pm
SEA
-
NCL
1 stop16h 30m
Multiple Airlines
Deal found 5/9$994
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:35 am
NCL
-
SEA
1 stop34h 00m
American Airlines
Wed 9/3011:32 am
SEA
-
NCL
2 stops18h 43m
American Airlines
Deal found 5/9$997
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:05 pm
NCL
-
SEA
2 stops31h 08m
Multiple Airlines
Sun 9/277:10 pm
SEA
-
NCL
1 stop18h 45m
Multiple Airlines
Deal found 5/9$1,000
This TravelUp deal was found by Cheapflights users on 5/9. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:15 pm
NCL
-
SEA
1 stop23h 20m
British Airways
Sun 9/278:20 pm
SEA
-
NCL
1 stop14h 10m
British Airways
Deal found 5/9$1,001
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:45 pm
NCL
-
SEA
2 stops31h 44m
American Airlines
Tue 9/2911:32 am
SEA
-
NCL
2 stops21h 58m
American Airlines
Deal found 5/9$1,002
This British Airways deal was found by Cheapflights users on 5/8. 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.
Wed 11/116:40 am
NCL
-
SEA
1 stop18h 15m
British Airways
Sun 11/1511:42 am
SEA
-
NCL
2 stops39h 43m
British Airways
Deal found 5/8$1,006
This KLM deal was found by Cheapflights users on 5/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:45 am
NCL
-
SEA
1 stop14h 02m
KLM
Mon 9/285:40 pm
SEA
-
NCL
1 stop15h 10m
KLM
Deal found 5/9$1,009

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 May 13, 2026.

Round-trip from

$945
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$782
From Newcastle upon Tyne to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($136 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 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

Sat 9/5

8:30 pm-11:35 am

1 stop23h 05m

Seattle/Tacoma Intl

Sun 9/20

8:20 pm-6:30 pm

1 stop14h 10m

$1,041

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sat 9/5

5:45 am-4:52 pm

2 stops19h 07m

Seattle/Tacoma Intl

Sun 9/20

9:50 am-1:10 pm

2 stops19h 20m

$1,072
Quickest round-trip

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sat 9/19

6:10 am-11:35 am

1 stop13h 25m

Seattle/Tacoma Intl

Fri 9/25

1:30 pm-9:10 am

1 stop11h 40m

$1,082

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 6/18

5:45 am-4:41 pm

2 stops18h 56m

Seattle/Tacoma Intl

Tue 6/30

6:05 am-10:35 am

2 stops20h 30m

$1,174

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 6/18

8:45 am-9:40 am

3 stops32h 55m

Seattle/Tacoma Intl

Tue 6/30

10:30 am-8:20 pm

2 stops25h 50m

$1,303

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 6/25

8:05 pm-9:07 pm

3 stops33h 02m

Seattle/Tacoma Intl

Thu 7/2

6:05 pm-8:15 am

3 stops30h 10m

$1,786

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

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, 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 can get you from Newcastle upon Tyne to Seattle in just under 23h 05m. Your travel time can differ by up to . Newcastle upon Tyne and Seattle are separated by a distance of 4559 mi.

  • 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
Ocean Shores
Olympia
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville

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