HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Newcastle upon Tyne

$353+ Cheap flights from Seattle (SEA) to Newcastle upon Tyne (NCL)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — NCL
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Newcastle upon Tyne with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$657
(Air France)

One-way from

$353
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$1,011
Provider with most accurate pricing for Seattle/Tacoma Intl-Newcastle upon Tyne flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Newcastle upon Tyne flights.
Search Deals
From Seattle/Tacoma Intl to Newcastle upon Tyne
Search Deals
One-way flight from Seattle/Tacoma Intl to Newcastle upon Tyne
Search Deals
Highest demand for flights based on searches. 35% potential increase in price ($643 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($133 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Seattle to Newcastle upon Tyne

Cheapest flights from Seattle to Newcastle upon Tyne
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 October 22, 2025.

This Air France deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:40 pmSEA - NCL
1 stop12h 40mMultiple Airlines
Sun 12/145:40 pmNCL - SEA
1 stop26h 10mMultiple Airlines
Deal found 10/21$657
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:10 amSEA - NCL
2 stops26h 20mMultiple Airlines
Fri 12/129:15 pmNCL - SEA
2 stops33h 01mMultiple Airlines
Deal found 10/21$662
This KLM deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:40 pmSEA - NCL
1 stop12h 40mMultiple Airlines
Mon 12/156:00 amNCL - SEA
2 stops16h 59mMultiple Airlines
Deal found 10/21$667
This KLM deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/73:05 pmSEA - NCL
1 stop14h 05mKLM
Mon 12/156:00 amNCL - SEA
2 stops18h 21mKLM
Deal found 10/21$673
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:20 amSEA - NCL
2 stops17h 25mDelta
Mon 12/156:00 amNCL - SEA
2 stops16h 59mDelta
Deal found 10/20$677
This FlightHub deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:19 pmSEA - NCL
2 stops21h 01mBritish Airways
Sun 12/146:40 amNCL - SEA
2 stops24h 45mBritish Airways
Deal found 10/20$680
This Booking.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:30 amSEA - NCL
2 stops23h 30mBritish Airways
Fri 12/126:30 amNCL - SEA
1 stop18h 25mBritish Airways
Deal found 10/21$689
This Air France deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:05 pmSEA - NCL
1 stop24h 20mMultiple Airlines
Mon 12/155:35 pmNCL - SEA
1 stop26h 15mMultiple Airlines
Deal found 10/21$705
This Gurufare deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/63:40 pmSEA - NCL
2 stops41h 05mLufthansa
Sun 12/145:25 pmNCL - SEA
1 stop26h 45mLufthansa
Deal found 10/20$719

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Newcastle upon Tyne 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 2,558,603 searches. Data last updated October 22, 2025.
Use the filters below to find and compare flights from Seattle to Newcastle upon Tyne that are best for you.

Fly from

Seattle

Fly to

Newcastle upon Tyne

Route

Depart

Return

Price

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Sat 12/6

1:40 pm-10:20 am

1 stop12h 40m

Newcastle upon Tyne

Mon 12/15

6:00 am-2:59 pm

2 stops16h 59m

$667

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Fri 12/5

5:25 am-10:20 am

2 stops20h 55m

Newcastle upon Tyne

Mon 12/15

6:00 am-4:54 pm

2 stops18h 54m

$672

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Sun 12/7

9:30 am-10:20 am

2 stops16h 50m

Newcastle upon Tyne

Mon 12/15

6:00 am-2:59 pm

2 stops16h 59m

$672

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Sun 12/7

3:05 pm-1:10 pm

1 stop14h 05m

Newcastle upon Tyne

Mon 12/15

6:00 am-4:21 pm

2 stops18h 21m

$673

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Sat 12/6

2:19 pm-7:20 pm

2 stops21h 01m

Newcastle upon Tyne

Sun 12/14

6:40 am-11:25 pm

2 stops24h 45m

$680

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Sat 11/15

11:34 pm-9:45 pm

3 stops38h 11m

$353

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Sat 11/15

1:40 pm-10:20 am

1 stop12h 40m

$518

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Fri 11/14

12:59 am-3:30 pm

2 stops30h 31m

$789

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Compare providers for flights from Seattle to Newcastle upon Tyne

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Newcastle upon Tyne in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Newcastle upon Tyne flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Newcastle upon Tyne flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Newcastle upon Tyne flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Newcastle upon Tyne flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Newcastle upon Tyne flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
Estimated round-trip 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 Seattle to Newcastle upon Tyne

What is the cheapest month to book a flight from Seattle to Newcastle upon Tyne?

Currently, October is the cheapest month in which you can book a flight from Seattle to Newcastle upon Tyne (average of $496). Flying from Seattle to Newcastle upon Tyne in June is currently the most expensive (average of $895). 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 October 22, 2025.

When flying from Seattle to Newcastle upon Tyne, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 19% versus a flight in the evening.

Reviews of airlines servicing Newcastle upon Tyne

Get insights into the airlines that provide service to Newcastle upon Tyne. 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 Newcastle upon Tyne. Reviews last updated October 22, 2025.
See what other customers who have flown with British Airways from Seattle to Newcastle upon Tyne have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,466 reviews

Overall

6.7

Crew

7.6

Entertainment

6.4

Food

6.3

Boarding

6.9

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,466 reviews
British Airways
6.7
Okay
7,466 reviews

Overall

6.7

Crew

7.6

Entertainment

6.4

Food

6.3

Boarding

6.9

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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.

  • How long is the flight from Seattle to Newcastle upon Tyne?

    Airlines like Delta fly from Seattle to Newcastle upon Tyne in about 20h 55m. The time it takes to get you to your destination can typically vary by up to . The distance between Seattle and Newcastle upon Tyne is about 4559 mi.

  • What is the cheapest airline to fly from Seattle to Newcastle upon Tyne round-trip?

    Cheapflights users have booked flights from Seattle to Newcastle upon Tyne round-trip from $662. Users have found that British Airways is 42% cheaper than the other options available to this destination.

  • Can I find deals for flights from Seattle to Newcastle upon Tyne that include hotel bookings?

    Yes. In addition to deals on Seattle to Newcastle upon Tyne flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Newcastle upon Tyne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Newcastle upon Tyne.

  • Can I find deals for business class flights from Seattle to Newcastle upon Tyne?

    Yes. Cheapflights offers flight deals from Seattle to Newcastle upon Tyne 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 Seattle to Newcastle upon Tyne?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Newcastle upon Tyne (average of $496). Flying from Seattle to Newcastle upon Tyne in June is currently the most expensive (average of $895). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Newcastle upon Tyne

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Heathrow flights
Seattle to Gatwick flights
Portland to Heathrow flights
Seattle to London City flights
Seattle to Stansted flights
Seattle to Luton flights
Portland to Gatwick flights
Portland to London City flights
Seattle to Edinburgh flights
Portland to Stansted flights
Spokane to Heathrow flights
Spokane to Gatwick flights
Portland to Luton flights
Portland to Manchester flights
Portland to Edinburgh flights
Seattle to Manchester flights
Pasco to Heathrow flights
Seattle to Southampton flights
Seattle to Birmingham flights
Spokane to London City flights
Seattle to Bristol flights
Walla Walla to Heathrow flights
Seattle to Leeds flights
Portland to Leeds flights
Portland to Bristol flights
Seattle to Southend flights
Spokane to Manchester flights
Spokane to Edinburgh flights
Seattle to Liverpool flights
Seattle to Grimsby flights
Seattle to Darlington flights
Bellingham to Heathrow flights
Portland to Southend flights
Spokane to Southampton flights
Bellingham to Gatwick flights
Seattle to Newquay flights

Top airline flying from Seattle to Newcastle upon Tyne

Discover the top airline that operate flights from Seattle to Newcastle upon Tyne. 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 2,558,603 searches. Data last updated October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$662Average$1,363FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.