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Cheap flights from Newcastle upon Tyne to Seattle from £640

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
NCL — SEA
8 Sep — 15 Sep1
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 9 August 2026.

Thu 1/1009:35 -
2 stops21h 34m
Mon 5/1014:26 -
2 stops21h 19m
Deal found 4/8£640
Thu 1/1009:25 -
1 stop15h 10m
Mon 5/1017:45 -
1 stop15h 05m
Deal found 4/8£643
Mon 7/915:25 -
1 stop28h 22m
Tue 15/907:15 -
2 stops17h 30m
Deal found 5/8£650
Sun 13/913:45 -
1 stop30h 02m
Wed 23/918:45 -
1 stop12h 55m
Deal found 8/8£653
Sun 13/917:35 -
1 stop26h 12m
Wed 23/922:40 -
2 stops26h 05m
Deal found 8/8£658
Mon 7/916:20 -
2 stops39h 39m
Tue 15/906:18 -
2 stops25h 52m
Deal found 5/8£668
Thu 1/1009:25 -
2 stops20h 40m
Mon 5/1006:00 -
2 stops20h 35m
Deal found 4/8£672
Mon 7/905:45 -
2 stops21h 20m
Tue 15/917:45 -
1 stop13h 05m
Deal found 4/8£676

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 9 August 2026.

Round-trip from

£640

Popular in

January

Cheapest in

March

Average price

£957
Iberia
  • Iberia
  • 1/10-5/10
  • 4 total stops
  • 42h 53m total
  • Newcastle upon Tyne to Seattle
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£175 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (£61 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 9 August 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
Fastest return journey

Newcastle upon TyneSeattle

NCL Newcastle upon Tyne - SEA Seattle/Tacoma Intl

NCLSEA

Newcastle upon Tyne

Thu 1/10

09:25-16:35

1 stop15h 10m

Seattle/Tacoma Intl

Mon 5/10

17:45-16:50

1 stop15h 05m

£643

Newcastle upon TyneSeattle

NCL Newcastle upon Tyne - SEA Seattle/Tacoma Intl

NCLSEA

Newcastle upon Tyne

Mon 7/9

17:35-11:47

1 stop26h 12m

Seattle/Tacoma Intl

Tue 15/9

17:45-16:50

1 stop15h 05m

£643

Newcastle upon TyneSeattle

NCL Newcastle upon Tyne - SEA Seattle/Tacoma Intl

NCLSEA

Newcastle upon Tyne

Sun 13/9

17:35-11:47

1 stop26h 12m

Seattle/Tacoma Intl

Wed 23/9

22:40-08:45

2 stops26h 05m

£658

Newcastle upon TyneSeattle

NCL Newcastle upon Tyne - SEA Seattle/Tacoma Intl

NCLSEA

Newcastle upon Tyne

Mon 7/9

16:20-23:59

2 stops39h 39m

Seattle/Tacoma Intl

Tue 15/9

06:18-16:10

2 stops25h 52m

£668

Newcastle upon TyneSeattle

NCL Newcastle upon Tyne - SEA Seattle/Tacoma Intl

NCLSEA

Newcastle upon Tyne

Thu 1/10

09:25-22:05

2 stops20h 40m

Seattle/Tacoma Intl

Mon 5/10

06:00-10:35

2 stops20h 35m

£672

Newcastle upon TyneSeattle

NCL Newcastle upon Tyne - SEA Seattle/Tacoma Intl

NCLSEA

Newcastle upon Tyne

Mon 7/9

05:45-19:05

2 stops21h 20m

Seattle/Tacoma Intl

Tue 15/9

17:45-14:50

1 stop13h 05m

£676

Newcastle upon TyneSeattle

NCL Newcastle upon Tyne - SEA Seattle/Tacoma Intl

NCLSEA

Newcastle upon Tyne

Wed 14/10

20:40-11:35

1 stop22h 55m

Seattle/Tacoma Intl

Sun 18/10

13:30-11:30

1 stop14h 00m

£711

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Sorted by cheapest first

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 £585). Flying from Newcastle upon Tyne to Seattle in January is currently the most expensive (average of £1,691). 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?

Airfare is below average for this route at the moment.

Newcastle upon Tyne to Seattle flights typically cost between £654 and £1,072 in October.
The cheapest return price found within the last 5 days was £640 on Iberia (1 Oct–5 Oct).

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 9 August 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
1,555 reviews
Check prices

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,555 reviews
KLM
7.8
Good
1,555 reviews
Check prices

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
British Airways
6.7
Okay
8,153 reviews
KLM
7.8
Good
1,555 reviews
Check prices

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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 15h 10m. Airlines will cover a distance of 4559 mi.

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

    KLM, at £498, 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 38% 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 £585). Flying from Newcastle upon Tyne to Seattle in January is currently the most expensive (average of £1,691). 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
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 9 August 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£498Average£653FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£532Average£723FlexibilityNo 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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