Cheap flights from Seattle to Newcastle upon Tyne from £303
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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Seattle to Newcastle upon Tyne
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Newcastle upon Tyne (NCL). 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 12 September 2025.
Find flight deals from Seattle to Newcastle upon Tyne
Cheapest flights from Seattle to Newcastle upon TyneExplore the most affordable flight options available from Seattle to Newcastle upon Tyne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.
Explore the most affordable flight options available from Seattle to Newcastle upon Tyne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Seattle to Newcastle upon Tyne that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Sat 6/12
14:19-16:00
2 stops17h 41m
Newcastle upon Tyne
Mon 15/12
20:15-11:30
1 stop23h 15m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Sat 25/10
19:50-16:25
1 stop13h 35m
Newcastle upon Tyne
Sat 1/11
06:40-12:30
1 stop12h 50m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Sat 25/10
13:35-11:40
1 stop14h 05m
Newcastle upon Tyne
Sat 1/11
09:30-23:54
2 stops21h 24m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Sat 25/10
15:50-11:30
3 stops35h 40m
Newcastle upon Tyne
Sat 1/11
13:40-18:00
3 stops35h 20m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Mon 22/9
22:41-23:55
3 stops41h 14m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Mon 22/9
14:20-10:50
1 stop12h 30m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Mon 22/9
11:15-11:50
2 stops16h 35m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Thu 18/9
06:41-08:00
2 stops17h 19m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Thu 18/9
19:35-09:20
1 stop29h 45m
Best time to book a flight from Seattle to Newcastle upon Tyne
Have a flexible travel schedule? Discover the best time to fly to Newcastle upon Tyne from Seattle with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Newcastle upon Tyne
What is the cheapest month to book a flight from Seattle to Newcastle upon Tyne?
Currently, January is the cheapest month in which you can book a flight from Seattle to Newcastle upon Tyne (average of £103). Flying from Seattle to Newcastle upon Tyne in August is currently the most expensive (average of £160). 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.
What is the cheapest time of day to fly from SEA to NCL?
One of the essential ways to save on airfare from Seattle to Newcastle upon Tyne is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 42% on airfare.
What’s the top stopover airport for flights from Seattle to Newcastle upon Tyne?
London (LHR) – chosen by Cheapflights users on 50% of one-stop itineraries from Seattle to Newcastle upon Tyne on Cheapflights.
What’s the fastest stopover option from Seattle to Newcastle upon Tyne?
Flights via London (LHR) have the shortest average one-way travel time for one-stop routes: 12h 10m.
What’s the fastest stopover option from Seattle to Newcastle upon Tyne?
Flights via London (LHR) have the shortest average one-way travel time for one-stop routes: 12h 10m.
Which airport typically offers the quickest stopover for flights from Seattle to Newcastle upon Tyne?
Flights via London (LHR) offer the fastest connection on this route, with an average stopover time of 1h 20m.
Related info for your journey
Find useful and relevant information for your journey from Seattle to Newcastle upon Tyne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Newcastle upon Tyne?
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Alternative routes for Seattle to Newcastle upon Tyne
See prices for flight routes from nearby airports that may be better suited for you.
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 Seattle to Newcastle upon Tyne?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Newcastle upon Tyne. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Seattle to Newcastle upon Tyne?
Cheapflights helps you find that perfect flight to Newcastle upon Tyne from Seattle 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 Seattle to Newcastle upon Tyne with no change fees?
Yes! Cheapflights helps users easily find flights from Seattle to Newcastle upon Tyne with no change fees.
Can Cheapflights notify me if prices for flights from Seattle to Newcastle upon Tyne become cheaper?
Not ready to book yet? You can track prices for flights from Seattle to Newcastle upon Tyne on Cheapflights with our Price Alert feature and get notified when better prices are available.