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Cheap flights from Newcastle upon Tyne to Seattle from £345

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
NCL — SEA
27 Jul — 3 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Newcastle upon Tyne to Seattle

Enter your travel dates to find the best prices.

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 27 June 2026.

Fri 14/805:45
NCL
-
SEA
1 stop13h 52m
Virgin Atlantic
Sat 22/813:30
SEA
-
NCL
1 stop13h 05m
Virgin Atlantic
Deal found 23/6£434
Thu 13/805:45
NCL
-
SEA
2 stops21h 20m
Virgin Atlantic
Fri 21/817:45
SEA
-
NCL
1 stop21h 10m
Virgin Atlantic
Deal found 23/6£438
Thu 1/1008:45
NCL
-
SEA
1 stop16h 25m
British Airways
Mon 5/1006:23
SEA
-
NCL
2 stops20h 02m
British Airways
Deal found 24/6£588
Wed 8/717:35
NCL
-
SEA
1 stop25h 58m
Multiple Airlines
Mon 20/718:35
SEA
-
NCL
1 stop19h 00m
Multiple Airlines
Deal found 25/6£595
Fri 21/808:45
NCL
-
SEA
1 stop16h 25m
Multiple Airlines
Mon 31/815:40
SEA
-
NCL
2 stops35h 10m
Multiple Airlines
Deal found 26/6£597

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 27 June 2026.

Round-trip from

£434

One-way from

£345

Popular in

January

Cheapest in

March

Average price

£794
Virgin Atlantic
  • Virgin Atlantic
  • 14/8-22/8
  • 2 total stops
  • 26h 57m total
  • Newcastle upon Tyne to Seattle
Search Deals
20/8
  • 20/8
  • 3 total stops
  • 47h 14m total
  • Newcastle upon Tyne to Seattle
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£192 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (£64 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 27 June 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 return flight

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 8/7

17:35-11:33

1 stop25h 58m

Seattle/Tacoma Intl

Mon 20/7

18:35-21:35

1 stop19h 00m

£595

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 1/10

09:35-21:36

2 stops20h 01m

Seattle/Tacoma Intl

Mon 5/10

15:10-16:40

2 stops17h 30m

£599

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 12/8

09:25-11:37

1 stop34h 12m

Seattle/Tacoma Intl

Fri 21/8

17:45-08:45

1 stop31h 00m

£702
Fastest return journey

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 13/8

09:25-20:35

2 stops19h 10m

Seattle/Tacoma Intl

Sat 22/8

13:50-13:10

1 stop15h 20m

£710

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 8/7

09:35-20:37

2 stops19h 02m

Seattle/Tacoma Intl

Mon 20/7

19:10-08:50

1 stop29h 40m

£727

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Tue 18/8

17:45-11:35

1 stop25h 50m

Seattle/Tacoma Intl

Tue 25/8

10:19-16:10

2 stops21h 51m

£756

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 14/8

06:00-22:56

2 stops24h 56m

Seattle/Tacoma Intl

Tue 25/8

20:20-19:45

1 stop15h 25m

£760

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sat 25/7

05:45-16:20

1 stop18h 35m

Seattle/Tacoma Intl

Sat 1/8

17:45-08:45

1 stop31h 00m

£763

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Mon 3/8

12:30-00:59

2 stops20h 29m

Seattle/Tacoma Intl

Tue 11/8

13:24-16:10

2 stops18h 46m

£801
Cheapest one-way

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 20/8

19:25-10:39

3 stops47h 14m

£345

Flights are sorted by cheapest return flights first.

Deals found on 23/6

Showing 1-10 of 15 resultsSorted by cheapest first
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 return 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 £558). Flying from Newcastle upon Tyne to Seattle in January is currently the most expensive (average of £1,728). 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 for a return flight from Newcastle upon Tyne to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 27 June 2026.
Get a feel of what it's like to fly with KLM and British Airways from Newcastle upon Tyne to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,531 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,531 reviews
KLM
7.8
Good
1,531 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,074 reviews
KLM
7.8
Good
1,531 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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?

    Departing from Newcastle upon Tyne to Seattle will take you 20h 01m. Airlines will cover a distance of 4559 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Newcastle upon Tyne to Seattle round-trip?

    KLM, at £509, was found to be the cheapest airline from Newcastle upon Tyne to Seattle. An alternate airline flying to your destination would be British Airways. You may be able to fly from Newcastle upon Tyne to Seattle for 37% less than the average price by searching for these airlines.

  • 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 holiday 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 £558). Flying from Newcastle upon Tyne to Seattle in January is currently the most expensive (average of £1,728). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Federal Way
SeaTac

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Top 2 airlines flying from Newcastle upon Tyne to Seattle

Discover the top 2 airlines that operate flights from Newcastle upon Tyne to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 June 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£509Average£619FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£538Average£664FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Newcastle upon Tyne to Seattle?

Cheapflights makes it easy to find Newcastle upon Tyne to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Newcastle upon Tyne to Seattle?

Cheapflights helps you find that perfect flight to Seattle from Newcastle upon Tyne by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Newcastle upon Tyne to Seattle with no change fees?

Yes, we can. To see specific flights from Newcastle upon Tyne to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Newcastle upon Tyne to Seattle become cheaper?

Yes! Start tracking prices for Newcastle upon Tyne to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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