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$802+ Cheap flights from Newcastle upon Tyne (NCL) to Seattle (SEA)

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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
NCL — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Newcastle upon Tyne to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Newcastle upon Tyne (NCL) to Seattle (SEA). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$802
(Air France)

Popular in

August

Cheapest in

February

Average price

$786
Provider with most accurate pricing for Newcastle upon Tyne-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Newcastle upon Tyne-Seattle/Tacoma Intl flights.
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From Newcastle upon Tyne to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Newcastle upon Tyne to Seattle

Cheapest flights from Newcastle upon Tyne to Seattle
Explore the most affordable flight options available from Newcastle upon Tyne to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Air France deal was found by Cheapflights users on 3/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/189:30 amNCL - SEA
1 stop14h 25mMultiple Airlines
Wed 7/21:30 pmSEA - NCL
1 stop13h 45mMultiple Airlines
Deal found 3/27$802
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/189:30 amNCL - SEA
2 stops19h 30mDelta
Wed 7/21:30 pmSEA - NCL
1 stop13h 45mDelta
Deal found 3/27$803
This WestJet deal was found by Cheapflights users on 3/27. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:05 amNCL - SEA
2 stops38h 53mWestJet
Sat 8/307:05 amSEA - NCL
2 stops30h 00mWestJet
Deal found 3/27$3,178

Cheapflights Fare Finder

Customize your flight search to find flights from Newcastle upon Tyne to Seattle 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 March 28, 2025.
Use the filters below to find and compare flights from Newcastle upon Tyne to Seattle that are best for you.

Fly from

Newcastle upon Tyne

Fly to

Seattle

Route

Depart

Return

Price

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 6/18

9:30 am-3:55 pm

1 stop14h 25m

Seattle/Tacoma Intl

Wed 7/2

1:30 pm-11:15 am

1 stop13h 45m

$802

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 6/18

9:30 am-7:00 pm

2 stops17h 30m

Seattle/Tacoma Intl

Wed 7/2

5:55 am-11:15 am

2 stops21h 20m

$803

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sun 8/24

6:05 am-12:58 pm

2 stops38h 53m

Seattle/Tacoma Intl

Sat 8/30

7:05 am-9:05 pm

2 stops30h 00m

$3,178

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 7/18

6:35 am-12:58 pm

2 stops38h 23m

$3,153

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 7/18

9:25 am-4:59 pm

1 stop15h 34m

$3,169

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

  • Most accurate provider: When it comes to deals on Newcastle upon Tyne-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newcastle upon Tyne-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newcastle upon Tyne-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newcastle upon Tyne-Seattle 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 Newcastle upon Tyne-Seattle 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 Newcastle upon Tyne to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Newcastle upon Tyne 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 Newcastle upon Tyne to Seattle

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

Currently, January is the cheapest month in which you can book a flight from Newcastle upon Tyne to Seattle (average of $238). Flying from Newcastle upon Tyne to Seattle in July is currently the most expensive (average of $411). 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.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,785 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,062 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Newcastle upon Tyne to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Flying on Delta is currently your cheapest option to Seattle, with prices starting at $803. Another option worth looking into is WestJet, starting at $3,178 round trip. Delta is currently priced 7% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Newcastle upon Tyne to Seattle (average of $238). Flying from Newcastle upon Tyne to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Newcastle upon Tyne?

Book flights to Newcastle upon Tyne if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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