$1,336+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — NEV
Nov 28 — Dec 51
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from Seattle to Newcastle
Best flights from Seattle to NewcastleDiscover carefully curated flight deals from Seattle to Newcastle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.
Discover carefully curated flight deals from Seattle to Newcastle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 2/108:10 amSEA - NEV
2 stops29h 20mUnited Airlines
Mon 2/168:45 amNEV - SEA
2 stops16h 11mUnited Airlines
Deal found 10/27![United Airlines logo]()
$1,336
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 2/1811:59 pmSEA - NEV
2 stops37h 31mUnited Airlines
Mon 2/238:45 amNEV - SEA
2 stops17h 58mUnited Airlines
Deal found 10/27![United Airlines logo]()
$1,499
Cheap 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 October 29, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $1,336 (United Airlines) |
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 October 29, 2025.
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
Tue 2/10
8:10 am-5:30 pm
2 stops29h 20m
Newcastle
Mon 2/16
8:45 am-8:56 pm
2 stops16h 11m
$1,336
SeattleNewcastle
SEA - NEV
SEANEV
Seattle/Tacoma Intl
Wed 2/18
11:59 pm-5:30 pm
2 stops37h 31m
Newcastle
Mon 2/23
8:45 am-10:43 pm
2 stops17h 58m
$1,499
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- 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 Expedia the most. Expedia 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.