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$958+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
NCL — SEA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap 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 October 28, 2025.

Round-trip from

$958
(Gotogate)

Popular in

January

Cheapest in

February

Average price

$828
From Newcastle upon Tyne to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 6% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 28, 2025.

This Gotogate deal was found by Cheapflights users on 10/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:30 amNCL - SEA
2 stops23h 20mMultiple Airlines
Thu 12/1810:32 amSEA - NCL
2 stops24h 53mMultiple Airlines
Deal found 10/27$958
This Air France deal was found by Cheapflights users on 10/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/131:40 pmNCL - SEA
1 stop30h 10mKLM
Fri 1/911:25 amSEA - NCL
2 stops17h 20mKLM
Deal found 10/28$964
This Booking.com deal was found by Cheapflights users on 10/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:40 amNCL - SEA
1 stop12h 50mBritish Airways
Fri 1/91:35 pmSEA - NCL
1 stop13h 25mBritish Airways
Deal found 10/28$989
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/129:55 amNCL - SEA
1 stop16h 25mMultiple Airlines
Fri 12/198:05 pmSEA - NCL
1 stop19h 10mMultiple Airlines
Deal found 10/28$993
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 12/136:05 amNCL - SEA
2 stops20h 55mDelta
Fri 1/99:25 amSEA - NCL
2 stops19h 20mDelta
Deal found 10/28$998
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:55 pmNCL - SEA
3 stops30h 05mMultiple Airlines
Fri 1/92:35 pmSEA - NCL
2 stops24h 40mMultiple Airlines
Deal found 10/28$1,279
This Expedia deal was found by Cheapflights users on 10/28. 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 12/129:00 amNCL - SEA
2 stops22h 25mAer Lingus
Thu 12/1812:13 amSEA - NCL
2 stops24h 17mAer Lingus
Deal found 10/28$1,440

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 October 28, 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

Thu 12/11

6:30 am-9:50 pm

2 stops23h 20m

Seattle/Tacoma Intl

Thu 12/18

10:32 am-7:25 pm

2 stops24h 53m

$958

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sat 12/13

1:40 pm-11:50 am

1 stop30h 10m

Seattle/Tacoma Intl

Fri 1/9

11:25 am-12:45 pm

2 stops17h 20m

$964

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 12/12

9:55 am-6:20 pm

1 stop16h 25m

Seattle/Tacoma Intl

Fri 12/19

8:05 pm-11:15 pm

1 stop19h 10m

$993

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sat 12/13

6:05 am-7:00 pm

2 stops20h 55m

Seattle/Tacoma Intl

Fri 1/9

9:25 am-12:45 pm

2 stops19h 20m

$998

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 3/26

11:10 am-12:35 pm

1 stop32h 25m

Seattle/Tacoma Intl

Mon 3/30

6:30 pm-9:35 pm

1 stop19h 05m

$1,137

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 3/26

1:40 pm-12:35 pm

1 stop29h 55m

Seattle/Tacoma Intl

Mon 3/30

9:37 am-10:35 am

2 stops16h 58m

$1,137

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 12/12

9:00 am-11:25 pm

2 stops22h 25m

Seattle/Tacoma Intl

Thu 12/18

12:13 am-8:30 am

2 stops24h 17m

$1,440

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 $554). Flying from Newcastle upon Tyne to Seattle in July is currently the most expensive (average of $776). 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?

    KLM and Delta can get you from Newcastle upon Tyne to Seattle in just under 20h 55m. Your travel time can differ by up to 9h 15m. 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 $554). Flying from Newcastle upon Tyne to Seattle in July is currently the most expensive (average of $776). 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
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Edmonds
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Renton
Kirkland
Lacey
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