HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$614+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
NCL — SEA
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Newcastle upon Tyne to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 septiembre 11, 2025.

Round-trip from

$766
(Trip.com)

One-way from

$614
(Ovago)

Popular in

July

Cheapest in

February

Average price

$754
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. 18% potential increase in price ($197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 septiembre 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/136:40 amNCL - SEA
2 stops42h 20mMultiple Airlines
vie. 1/92:35 pmSEA - NCL
2 stops21h 05mMultiple Airlines
Deal found 9/9$766
This KLM deal was found by Cheapflights users on 9/9. 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.
sáb. 12/139:20 amNCL - SEA
1 stop34h 30mKLM
vie. 1/93:10 pmSEA - NCL
1 stop23h 45mKLM
Deal found 9/9$846
This KLM deal was found by Cheapflights users on 9/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/246:00 amNCL - SEA
1 stop18h 05mKLM
vie. 10/3111:40 amSEA - NCL
2 stops15h 50mKLM
Deal found 9/11$847
This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/248:15 pmNCL - SEA
1 stop23h 20mBritish Airways
vie. 10/312:35 pmSEA - NCL
1 stop13h 25mBritish Airways
Deal found 9/11$875
This Netflights deal was found by Cheapflights users on 9/10. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/256:05 amNCL - SEA
1 stop13h 30mBritish Airways
sáb. 11/12:35 pmSEA - NCL
1 stop13h 05mBritish Airways
Deal found 9/10$970
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/256:00 amNCL - SEA
2 stops18h 30mDelta
sáb. 11/110:25 amSEA - NCL
2 stops17h 05mDelta
Deal found 9/10$1,138
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/255:30 pmNCL - SEA
3 stops28h 50mMultiple Airlines
sáb. 11/13:00 pmSEA - NCL
3 stops34h 45mMultiple Airlines
Deal found 9/10$1,167
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/246:00 amNCL - SEA
3 stops22h 40mMultiple Airlines
vie. 10/313:35 pmSEA - NCL
3 stops35h 55mMultiple Airlines
Deal found 9/11$1,228
This TravelUp deal was found by Cheapflights users on 9/11. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/249:25 amNCL - SEA
1 stop16h 25mAer Lingus
jue. 10/3012:34 amSEA - NCL
2 stops24h 56mAer Lingus
Deal found 9/11$1,256

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 septiembre 11, 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

sáb. 12/13

6:40 am-5:00 pm

2 stops42h 20m

Seattle/Tacoma Intl

vie. 1/9

2:35 pm-7:40 pm

2 stops21h 05m

$766

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

sáb. 12/13

9:20 am-11:50 am

1 stop34h 30m

Seattle/Tacoma Intl

vie. 1/9

3:10 pm-10:55 pm

1 stop23h 45m

$846

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

vie. 10/24

9:30 am-8:50 pm

2 stops19h 20m

Seattle/Tacoma Intl

vie. 10/31

11:40 am-10:30 am

2 stops15h 50m

$847

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

vie. 10/24

6:00 am-4:05 pm

1 stop18h 05m

Seattle/Tacoma Intl

vie. 10/31

11:40 am-10:30 am

2 stops15h 50m

$847

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

sáb. 10/25

6:05 am-11:35 am

1 stop13h 30m

Seattle/Tacoma Intl

sáb. 11/1

2:35 pm-10:40 am

1 stop13h 05m

$970

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

sáb. 10/25

6:00 am-4:30 pm

2 stops18h 30m

Seattle/Tacoma Intl

sáb. 11/1

10:25 am-10:30 am

2 stops17h 05m

$1,138

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

sáb. 10/25

5:30 pm-2:20 pm

3 stops28h 50m

Seattle/Tacoma Intl

sáb. 11/1

3:00 pm-8:45 am

3 stops34h 45m

$1,167

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

vie. 10/24

6:00 am-8:40 pm

3 stops22h 40m

Seattle/Tacoma Intl

vie. 10/31

3:35 pm-10:30 am

3 stops35h 55m

$1,228

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

vie. 10/24

9:25 am-5:50 pm

1 stop16h 25m

Seattle/Tacoma Intl

jue. 10/30

12:34 am-8:30 am

2 stops24h 56m

$1,256

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

jue. 9/18

9:25 am-5:50 pm

1 stop16h 25m

$614

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 11 results
1
2

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, January is the cheapest month in which you can book a flight from Newcastle upon Tyne to Seattle (average of $238). Flying from Newcastle upon Tyne to Seattle in June is currently the most expensive (average of $388). 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 19h 20m. Your travel time can differ by up to 15h 10m. 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, January is the cheapest month in which you can book a flight from Newcastle upon Tyne to Seattle (average of $238). Flying from Newcastle upon Tyne to Seattle in June is currently the most expensive (average of $388). 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
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Lacey
Renton
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.