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$1,510+ Cheap flights from Seattle (SEA) to Newcastle (NTL)

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — NTL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 (NTL). 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 February 20, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,510
(Gotogate)
Provider with most accurate pricing for Seattle/Tacoma Intl-Newcastle Williamtown flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Newcastle Williamtown flights.
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From Seattle/Tacoma Intl to Newcastle Williamtown
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Find 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 February 20, 2025.

This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/610:30 amSEA - NTL
3 stops41h 30mAir New Zealand
Sun 4/136:00 amNTL - SEA
3 stops29h 28mAir New Zealand
Deal found 2/20$1,510
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/63:05 pmSEA - NTL
2 stops36h 15mMultiple Airlines
Sun 4/138:40 pmNTL - SEA
3 stops37h 10mMultiple Airlines
Deal found 2/20$1,713

Find flights from Seattle to Newcastle within your budget

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 February 20, 2025.

Fly from

Seattle

Fly to

Newcastle

Route

Depart

Return

Price

SeattleNewcastle

SEA - NTL

SEANTL

Seattle/Tacoma Intl

Sun 4/6

10:30 am-9:00 pm

3 stops41h 30m

Newcastle Williamtown

Sun 4/13

6:00 am-6:28 pm

3 stops29h 28m

$1,510

SeattleNewcastle

SEA - NTL

SEANTL

Seattle/Tacoma Intl

Sun 4/6

3:05 pm-8:20 pm

2 stops36h 15m

Newcastle Williamtown

Sun 4/13

8:40 pm-4:50 pm

3 stops37h 10m

$1,713

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

  • Most accurate provider: When it comes to deals on Seattle-Newcastle flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Seattle-Newcastle flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Seattle-Newcastle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Newcastle 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 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.

Travel insights for flights from Seattle to Newcastle

Get recent, data-driven insights about flights from Seattle to Newcastle including ideal travel times, pricing trends, and more.

Rainfall in Newcastle by month

Plan your trip to Newcastle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Newcastle ranges from 2.4 - 4.7 inches per month. March is typically the wettest month, when rainfall can reach 4.7 in. November is typically the driest time to visit Newcastle when rainfall is around 2.4 in.

Temperature in Newcastle by month

Plan your trip to Newcastle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Newcastle, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Newcastle

Get insights into the airlines that provide service to Newcastle. 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. Reviews last updated February 20, 2025.
Air New Zealand
7.9
Good
461 reviews

Entertainment

7.4

Overall

7.9

Food

7.2

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

SFO - CHC

Wifi was $20 for the whole flight--way too expensive! On a similar flight operated by Air New Zealand, wifi was free, and it should be included in the ticket price.

Air New Zealand
7.9
Good
461 reviews
Air New Zealand
7.9
Good
461 reviews

Entertainment

7.4

Overall

7.9

Food

7.2

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

SFO - CHC

Wifi was $20 for the whole flight--way too expensive! On a similar flight operated by Air New Zealand, wifi was free, and it should be included in the ticket price.

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.

  • 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.

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