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Cheap flights from Newcastle upon Tyne to Seattle from £525

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
NCL — SEA
9 Jul — 16 Jul1
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 June 2026.

Tue 1/908:45
NCL
-
SEA
1 stop16h 25m
Aer Lingus
Fri 11/919:10
SEA
-
NCL
1 stop12h 30m
Aer Lingus
Deal found 7/6£525
Tue 7/708:45
NCL
-
SEA
1 stop16h 25m
British Airways
Mon 20/720:20
SEA
-
NCL
1 stop15h 25m
British Airways
Deal found 7/6£532
Wed 16/909:25
NCL
-
SEA
1 stop15h 45m
British Airways
Thu 1/1019:10
SEA
-
NCL
1 stop29h 05m
British Airways
Deal found 7/6£554
Wed 8/709:25
NCL
-
SEA
1 stop15h 45m
British Airways
Mon 20/720:20
SEA
-
NCL
1 stop15h 25m
British Airways
Deal found 9/6£558
Tue 7/708:45
NCL
-
SEA
1 stop16h 25m
British Airways
Tue 14/719:10
SEA
-
NCL
1 stop29h 05m
British Airways
Deal found 9/6£564
Sat 5/908:45
NCL
-
SEA
1 stop16h 25m
British Airways
Sun 20/919:10
SEA
-
NCL
1 stop29h 05m
British Airways
Deal found 7/6£583
Wed 2/1216:50
NCL
-
SEA
1 stop32h 05m
British Airways
Sun 6/1211:22
SEA
-
NCL
2 stops20h 33m
British Airways
Deal found 7/6£596
Wed 8/705:45
NCL
-
SEA
1 stop13h 48m
Delta
Mon 20/710:35
SEA
-
NCL
2 stops18h 40m
Delta
Deal found 9/6£600

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 June 2026.

Round-trip from

£525

Popular in

January

Cheapest in

March

Average price

£788
Aer Lingus
  • Aer Lingus
  • 1/9-11/9
  • 2 total stops
  • 28h 55m total
  • Newcastle upon Tyne to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 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 9 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
Fastest return journey

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 8/7

09:25-17:10

1 stop15h 45m

Seattle/Tacoma Intl

Mon 20/7

20:20-19:45

1 stop15h 25m

£558

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 2/12

09:40-16:55

1 stop15h 15m

Seattle/Tacoma Intl

Sun 6/12

11:22-15:55

2 stops20h 33m

£598

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 16/9

09:35-00:11

2 stops22h 36m

Seattle/Tacoma Intl

Thu 1/10

12:05-17:30

2 stops21h 25m

£601

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Tue 7/7

09:25-20:34

2 stops19h 09m

Seattle/Tacoma Intl

Tue 14/7

06:05-10:35

2 stops20h 30m

£603

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Tue 7/7

19:40-17:10

2 stops29h 30m

Seattle/Tacoma Intl

Mon 20/7

19:10-19:10

2 stops16h 00m

£681

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Tue 7/7

20:40-11:35

1 stop22h 55m

Seattle/Tacoma Intl

Mon 20/7

20:20-19:45

1 stop15h 25m

£682

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 8/7

09:25-23:08

2 stops21h 43m

Seattle/Tacoma Intl

Mon 20/7

10:35-13:15

2 stops18h 40m

£699

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Tue 7/7

09:25-20:36

2 stops19h 11m

Seattle/Tacoma Intl

Mon 20/7

09:30-13:15

2 stops19h 45m

£701

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 8/7

09:25-23:02

2 stops21h 37m

Seattle/Tacoma Intl

Mon 20/7

09:30-13:15

2 stops19h 45m

£705

Flights are sorted by cheapest return flights first.

Deals found on 9/6

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 £552). Flying from Newcastle upon Tyne to Seattle in January is currently the most expensive (average of £1,123). 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 9 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
1,527 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Overall

7.8

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
1,527 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Overall

7.8

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
8,034 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Overall

7.8

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 15h 45m. 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 £504, 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 31% 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 £552). Flying from Newcastle upon Tyne to Seattle in January is currently the most expensive (average of £1,123). 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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£504Average£664FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£529Average£685FlexibilityNo 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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