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$728+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
NCL — SEA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/11. 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 12/234:50 pmNCL - SEA
2 stops35h 07mAmerican Airlines
Mon 12/297:09 amSEA - NCL
2 stops27h 31mAmerican Airlines
Deal found 12/11$1,239
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/236:55 pmNCL - SEA
2 stops28h 45mMultiple Airlines
Mon 12/298:05 pmSEA - NCL
1 stop17h 35mMultiple Airlines
Deal found 12/11$1,248
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/236:55 pmNCL - SEA
2 stops28h 45mMultiple Airlines
Sun 12/288:05 pmSEA - NCL
1 stop30h 05mMultiple Airlines
Deal found 12/11$1,251
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/234:50 pmNCL - SEA
2 stops35h 07mAmerican Airlines
Sun 12/2811:59 pmSEA - NCL
2 stops27h 26mAmerican Airlines
Deal found 12/11$1,253
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Wed 12/244:50 pmNCL - SEA
1 stop32h 05mAmerican Airlines
Mon 12/297:09 amSEA - NCL
2 stops27h 31mAmerican Airlines
Deal found 12/11$1,257
This British Airways deal was found by Cheapflights users on 12/11. 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 12/244:50 pmNCL - SEA
1 stop32h 05mBritish Airways
Sun 12/286:50 pmSEA - NCL
1 stop13h 05mBritish Airways
Deal found 12/11$1,285
This British Airways deal was found by Cheapflights users on 12/11. 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.
Tue 12/234:50 pmNCL - SEA
1 stop32h 05mBritish Airways
Sun 12/286:50 pmSEA - NCL
1 stop16h 35mBritish Airways
Deal found 12/11$1,318
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/236:55 pmNCL - SEA
2 stops28h 45mMultiple Airlines
Fri 12/268:05 pmSEA - NCL
1 stop14h 25mMultiple Airlines
Deal found 12/11$1,325
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Fri 12/199:00 amNCL - SEA
1 stop17h 20mMultiple Airlines
Mon 12/298:05 pmSEA - NCL
1 stop17h 35mMultiple Airlines
Deal found 12/11$1,365
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Mon 12/227:00 amNCL - SEA
2 stops42h 05mMultiple Airlines
Mon 12/298:05 pmSEA - NCL
1 stop17h 35mMultiple Airlines
Deal found 12/11$1,391
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Mon 12/227:00 amNCL - SEA
2 stops42h 05mMultiple Airlines
Sun 12/288:05 pmSEA - NCL
1 stop17h 40mMultiple Airlines
Deal found 12/11$1,395
This British Airways deal was found by Cheapflights users on 12/11. 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 12/247:30 pmNCL - SEA
1 stop29h 25mBritish Airways
Mon 12/298:05 pmSEA - NCL
1 stop28h 25mBritish Airways
Deal found 12/11$1,415

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 December 12, 2025.

Round-trip from

$728
(Trip.com)

Popular in

January

Cheapest in

February

Average price

$1,053
From Newcastle upon Tyne to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
Use the filters below to find and compare flights from Newcastle upon Tyne to Seattle that are best for you.

Fly from

Newcastle upon Tyne

Fly to

Seattle

Route

Depart

Return

Price

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 2/4

6:40 am-5:00 pm

2 stops18h 20m

Seattle/Tacoma Intl

Wed 2/25

2:35 pm-9:45 pm

2 stops23h 10m

$728

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 2/4

12:20 pm-4:55 pm

1 stop12h 35m

Seattle/Tacoma Intl

Wed 2/25

6:50 pm-9:45 pm

1 stop18h 55m

$806

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 2/4

6:00 am-11:40 am

1 stop13h 40m

Seattle/Tacoma Intl

Wed 2/25

6:10 am-10:20 am

2 stops20h 10m

$809

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 1/29

12:15 pm-4:55 pm

1 stop12h 40m

Seattle/Tacoma Intl

Mon 2/2

6:12 am-2:55 pm

2 stops24h 43m

$862

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sat 1/24

6:00 am-11:50 am

1 stop13h 50m

Seattle/Tacoma Intl

Sat 1/31

3:10 pm-4:40 pm

1 stop17h 30m

$875

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sat 1/24

6:00 am-11:50 am

1 stop13h 50m

Seattle/Tacoma Intl

Sat 1/31

6:05 am-10:20 am

2 stops20h 15m

$889

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 $547). Flying from Newcastle upon Tyne to Seattle in July is currently the most expensive (average of $787). 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.

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 12h 35m. Your travel time can differ by up to 1h 05m. 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 $547). Flying from Newcastle upon Tyne to Seattle in July is currently the most expensive (average of $787). 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
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
Marysville
Leavenworth
Fife
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Centralia
Federal Way

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