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$1,446+ Cheap flights from Seattle (SEA) to Newcastle (NEV)

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — NEV
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Seattle to Newcastle

Cheapest flights from Seattle to Newcastle
Explore the most affordable flight options available from Seattle to Newcastle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:00 pm
SEA
-
NEV
2 stops15h 30m
United Airlines
Fri 5/88:45 am
NEV
-
SEA
2 stops18h 14m
United Airlines
Deal found 1/28$1,446

Find flight deals from Seattle to Newcastle

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Newcastle (NEV). 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,446
(United Airlines)
Provider with most accurate pricing for Seattle/Tacoma Intl-Newcastle flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Newcastle flights.
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From Seattle/Tacoma Intl to Newcastle
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Newcastle 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 January 29, 2026.
Use the filters below to find and compare flights from Seattle to Newcastle that are best for you.

Fly from

Seattle

Fly to

Newcastle

Route

Depart

Return

Price

SeattleNewcastle

SEA - NEV

SEANEV

Seattle/Tacoma Intl

Mon 5/4

11:14 pm-5:30 pm

2 stops15h 16m

Newcastle

Fri 5/8

8:45 am-10:52 pm

2 stops17h 07m

$1,446

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Compare providers for flights from Seattle to Newcastle

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 in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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, Saint James Windward flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Newcastle, Saint James Windward flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Newcastle, Saint James Windward flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Newcastle, Saint James Windward 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, Saint James Windward 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

Have a flexible travel schedule? Discover the best time to fly to Newcastle 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.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Newcastle. 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, Saint James Windward?

    There are many flights that can get you from Seattle to Newcastle, Saint James Windward in 15h 16m. Fly via United Airlines to get the fastest option. There are 3940 mi between Seattle and Newcastle, Saint James Windward.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Newcastle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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