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Newcastle upon Tyne

$612+ Cheap flights from Seattle (SEA) to Newcastle upon Tyne (NCL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — NCL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This KLM deal was found by Cheapflights users on 12/16. 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 12/213:05 pmSEA - NCL
1 stop33h 40mKLM
Sat 12/2711:10 amNCL - SEA
1 stop32h 40mKLM
Deal found 12/16$2,223
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:40 pmSEA - NCL
2 stops41h 05mLufthansa
Sun 12/285:25 pmNCL - SEA
1 stop26h 45mLufthansa
Deal found 12/16$2,227
This Delta deal was found by Cheapflights users on 12/16. 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.
Sun 12/213:05 pmSEA - NCL
1 stop33h 40mDelta
Sun 12/286:00 amNCL - SEA
2 stops17h 51mDelta
Deal found 12/16$2,233
This KLM deal was found by Cheapflights users on 12/16. 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 12/203:05 pmSEA - NCL
1 stop17h 35mKLM
Sat 12/276:00 amNCL - SEA
1 stop13h 50mKLM
Deal found 12/16$2,293
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:00 amSEA - NCL
2 stops18h 30mMultiple Airlines
Sat 12/279:00 amNCL - SEA
2 stops18h 57mMultiple Airlines
Deal found 12/17$2,422
This KLM deal was found by Cheapflights users on 12/16. 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.
Fri 12/193:05 pmSEA - NCL
1 stop17h 45mKLM
Sat 12/279:20 amNCL - SEA
1 stop34h 30mKLM
Deal found 12/16$2,503
This Delta deal was found by Cheapflights users on 12/17. 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.
Sat 12/201:40 pmSEA - NCL
1 stop12h 40mDelta
Sat 12/276:05 amNCL - SEA
1 stop13h 20mDelta
Deal found 12/17$2,504
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1911:49 amSEA - NCL
2 stops23h 51mBritish Airways
Sat 12/276:40 amNCL - SEA
1 stop12h 50mBritish Airways
Deal found 12/16$2,508
This Delta deal was found by Cheapflights users on 12/16. 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 12/193:05 pmSEA - NCL
1 stop14h 05mDelta
Sun 12/286:00 amNCL - SEA
2 stops17h 51mDelta
Deal found 12/16$2,513
This Delta deal was found by Cheapflights users on 12/15. 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 12/193:05 pmSEA - NCL
1 stop14h 05mDelta
Sat 12/279:20 amNCL - SEA
2 stops21h 08mDelta
Deal found 12/15$2,523
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:39 pmSEA - NCL
2 stops48h 51mMultiple Airlines
Sat 12/279:00 amNCL - SEA
2 stops22h 04mMultiple Airlines
Deal found 12/16$2,557

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$588
(Netflights)

Popular in

June

Cheapest in

March

Average price

$997
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
Highest demand for flights based on searches. 33% potential increase in price ($569 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($121 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 1/31

3:10 pm-11:05 pm

1 stop23h 55m

Newcastle upon Tyne

Sat 2/7

1:40 pm-11:40 am

1 stop30h 00m

$623

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Sat 1/31

9:25 am-10:20 am

2 stops16h 55m

Newcastle upon Tyne

Sat 2/7

6:00 am-4:51 pm

2 stops18h 51m

$632

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Wed 5/13

1:35 pm-2:15 pm

1 stop16h 40m

Newcastle upon Tyne

Tue 5/19

8:40 pm-11:35 am

1 stop22h 55m

$682

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Fri 1/23

6:50 pm-4:00 pm

1 stop13h 10m

Newcastle upon Tyne

Tue 1/27

3:50 pm-4:55 pm

1 stop33h 05m

$712

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Sat 4/4

5:35 pm-4:50 pm

1 stop15h 15m

Newcastle upon Tyne

Fri 4/10

5:35 pm-4:30 pm

1 stop30h 55m

$737

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

Wed 5/13

9:50 am-1:10 pm

2 stops19h 20m

Newcastle upon Tyne

Tue 5/19

5:55 am-7:05 pm

2 stops21h 10m

$754

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Newcastle upon Tyne flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, January is the cheapest month in which you can book a flight from Seattle to Newcastle upon Tyne (average of $449). 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 December 18, 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 December 18, 2025.
See what other customers who have flown with Delta and 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.
Delta
7.9
Good
8,008 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,586 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 KLM and British Airways fly from Seattle to Newcastle upon Tyne in about 16h 40m. The time it takes to get you to your destination can typically vary by up to 7h 15m. The distance between Seattle and Newcastle upon Tyne is about 4559 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Seattle to Newcastle upon Tyne round-trip from $662. Another airline that can offer you cheap pricing is Delta. 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, January is the cheapest month in which you can book a flight from Seattle to Newcastle upon Tyne (average of $449). 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.

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Alternative routes for Seattle to Newcastle upon Tyne

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Top 2 airlines flying from Seattle to Newcastle upon Tyne

Discover the top 2 airlines 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$662Average$1,322FlexibilityNo cancel feeOn-time70%
DeltaCheapest$720Average$1,220FlexibilityNo cancel feeOn-timeN/A

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