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$484+ Cheap flights from Newcastle upon Tyne (NCL) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
NCL — SEA
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This Trip.com deal was found by Cheapflights users on 1/26. 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.
Thu 3/128:50 am
NCL
-
SEA
2 stops31h 41m
Multiple Airlines
Thu 3/198:10 am
SEA
-
NCL
2 stops29h 20m
Multiple Airlines
Deal found 1/26$650
This British Airways deal was found by Cheapflights users on 1/26. 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 4/229:35 am
NCL
-
SEA
2 stops20h 51m
British Airways
Sun 4/2612:34 pm
SEA
-
NCL
2 stops37h 51m
British Airways
Deal found 1/26$697
This KLM deal was found by Cheapflights users on 1/27. 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.
Sun 3/19:20 am
NCL
-
SEA
1 stop34h 15m
KLM
Sun 3/84:05 pm
SEA
-
NCL
1 stop33h 40m
KLM
Deal found 1/27$708
This Delta deal was found by Cheapflights users on 1/27. 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.
Sun 3/16:00 am
NCL
-
SEA
1 stop13h 35m
Delta
Sun 3/89:00 am
SEA
-
NCL
2 stops18h 30m
Delta
Deal found 1/27$749
This British Airways deal was found by Cheapflights users on 1/26. 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 3/146:40 am
NCL
-
SEA
1 stop12h 50m
British Airways
Tue 3/177:21 am
SEA
-
NCL
2 stops21h 04m
British Airways
Deal found 1/26$750
This Trip.com deal was found by Cheapflights users on 1/27. 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.
Fri 3/136:30 am
NCL
-
SEA
2 stops19h 33m
Multiple Airlines
Fri 3/208:00 am
SEA
-
NCL
2 stops28h 40m
Multiple Airlines
Deal found 1/27$761

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 January 27, 2026.

Round-trip from

$650
(Trip.com)

One-way from

$484
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$713
From Newcastle upon Tyne to Seattle/Tacoma Intl
Search Deals
One-way flight from Newcastle upon Tyne to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($257 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 27, 2026.
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 4/22

9:35 am-11:39 pm

2 stops22h 04m

Seattle/Tacoma Intl

Sun 4/26

12:34 pm-10:25 am

2 stops37h 51m

$697

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sun 3/1

6:00 am-11:35 am

1 stop13h 35m

Seattle/Tacoma Intl

Sun 3/8

9:00 am-10:30 am

2 stops18h 30m

$749

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sat 3/14

6:40 am-12:30 pm

1 stop12h 50m

Seattle/Tacoma Intl

Tue 3/17

7:21 am-11:25 am

2 stops21h 04m

$750

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 3/12

6:20 pm-12:30 pm

1 stop25h 10m

Seattle/Tacoma Intl

Thu 3/19

6:53 am-11:25 am

2 stops21h 32m

$757

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 3/13

6:30 am-7:03 pm

2 stops19h 33m

Seattle/Tacoma Intl

Fri 3/20

8:00 am-7:40 pm

2 stops28h 40m

$761

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sun 2/8

6:55 pm-8:39 pm

3 stops57h 44m

$484

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 2/11

10:00 am-11:25 am

3 stops57h 25m

$505

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Mon 2/9

5:20 pm-10:26 am

2 stops49h 06m

$520

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 2/5

10:30 pm-5:00 pm

2 stops26h 30m

$530

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sun 2/1

8:55 pm-5:00 pm

2 stops28h 05m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 14 results
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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 $579). 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 13h 35m. Your travel time can differ by up to 8h 29m. 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 $579). 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
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SeaTac
Lakewood
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Olympia
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Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
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Federal Way
Chehalis

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