Cheap flights from Seattle to Newcastle upon Tyne from £339
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 1/9. 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 15 August 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 15 August 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 15 August 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
Wed 5/11
14:20-16:00
2 stops17h 40m
Newcastle upon Tyne
Wed 12/11
06:40-16:55
1 stop18h 15m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Thu 4/9
18:45-21:35
1 stop18h 50m
Newcastle upon Tyne
Wed 10/9
06:35-11:15
1 stop12h 40m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Thu 4/9
07:10-11:50
2 stops20h 40m
Newcastle upon Tyne
Wed 10/9
06:35-17:40
1 stop19h 05m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Mon 1/9
22:41-12:40
2 stops53h 59m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Mon 1/9
14:20-10:50
1 stop12h 30m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Sat 23/8
20:20-22:00
1 stop17h 40m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Sat 23/8
21:35-08:20
3 stops50h 45m
SeattleNewcastle upon Tyne
SEA - NCL
SEANCL
Seattle/Tacoma Intl
Sun 31/8
00:46-14:30
2 stops29h 44m
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 £162). 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?
Find hourly flight availability from Seattle to Newcastle upon Tyne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 August 2025.
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 43% on airfare.
What’s the top stopover airport for flights from Seattle to Newcastle upon Tyne?
Share of one-stop return flights from Seattle to Newcastle upon Tyne chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Amsterdam (AMS) – chosen by Cheapflights users on 67% of one-stop itineraries from Seattle to Newcastle upon Tyne on Cheapflights.
What’s the cheapest stopover airport for flights from Seattle to Newcastle upon Tyne?
Average return fare for one-stop flights from Seattle to Newcastle upon Tyne, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Amsterdam (AMS) is the most affordable one-stop option, with an average return flight price of £545.
What’s the fastest stopover option from Seattle to Newcastle upon Tyne?
Shortest average travel time for one-stop one-way flights from Seattle to Newcastle upon Tyne, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
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?
Average stopover duration for one-stop one-way flights from Seattle to Newcastle upon Tyne, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
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
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Fly with Cheapflights
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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.