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$726+ 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
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$729
(TravelUp)

Popular in

August

Cheapest in

February

Average price

$968
From Newcastle upon Tyne to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 13% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Air France deal was found by Cheapflights users on 6/10. 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 6/186:00 amNCL - SEA
1 stop13h 40mMultiple Airlines
Wed 7/26:30 pmSEA - NCL
1 stop14h 10mMultiple Airlines
Deal found 6/10$726
This Delta deal was found by Cheapflights users on 6/9. 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 6/186:00 amNCL - SEA
1 stop17h 55mDelta
Wed 7/21:30 pmSEA - NCL
1 stop13h 45mDelta
Deal found 6/9$728
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/145:55 amNCL - SEA
2 stops22h 30mAmerican Airlines
Thu 7/313:13 pmSEA - NCL
2 stops20h 12mAmerican Airlines
Deal found 6/11$774
This KAYAK deal was found by Cheapflights users on 6/11. 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.
Wed 6/186:00 amNCL - SEA
1 stop13h 35mBritish Airways
Wed 7/23:10 pmSEA - NCL
2 stops22h 55mBritish Airways
Deal found 6/11$795
This KLM deal was found by Cheapflights users on 6/11. 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.
Tue 7/155:30 pmNCL - SEA
1 stop26h 05mKLM
Fri 8/15:40 pmSEA - NCL
1 stop31h 10mKLM
Deal found 6/11$898
This Air France deal was found by Cheapflights users on 6/11. 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.
Thu 7/176:35 amNCL - SEA
2 stops17h 15mAir France
Wed 7/306:30 pmSEA - NCL
1 stop19h 55mAir France
Deal found 6/11$1,037
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/135:40 pmNCL - SEA
1 stop26h 15mLufthansa
Sun 8/32:20 pmSEA - NCL
1 stop18h 45mLufthansa
Deal found 6/11$1,190
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/119:45 amNCL - SEA
1 stop16h 05mAer Lingus
Sat 8/1612:34 amSEA - NCL
2 stops24h 41mAer Lingus
Deal found 6/12$1,291
This Netflights deal was found by Cheapflights users on 6/11. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/256:35 amNCL - SEA
1 stop12h 40mVirgin Atlantic
Sat 6/2810:58 pmSEA - NCL
2 stops38h 37mVirgin Atlantic
Deal found 6/11$1,484

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 June 12, 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 7/2

6:00 am-3:50 pm

1 stop17h 50m

Seattle/Tacoma Intl

Wed 7/9

1:30 pm-11:15 am

1 stop13h 45m

$729

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 7/2

6:00 am-3:50 pm

1 stop17h 50m

Seattle/Tacoma Intl

Wed 7/9

9:33 am-8:50 am

2 stops15h 17m

$763

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Mon 7/14

5:55 am-8:25 pm

2 stops22h 30m

Seattle/Tacoma Intl

Thu 7/31

3:13 pm-7:25 pm

2 stops20h 12m

$774

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 7/16

8:10 am-9:43 pm

2 stops21h 33m

Seattle/Tacoma Intl

Wed 7/30

8:20 pm-10:05 pm

1 stop17h 45m

$821

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Tue 7/15

5:30 pm-11:35 am

1 stop26h 05m

Seattle/Tacoma Intl

Fri 8/1

5:40 pm-8:50 am

1 stop31h 10m

$898

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 7/17

6:35 am-3:50 pm

2 stops17h 15m

Seattle/Tacoma Intl

Wed 7/30

6:30 pm-10:25 pm

1 stop19h 55m

$1,037

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sun 7/13

5:40 pm-11:55 am

1 stop26h 15m

Seattle/Tacoma Intl

Sun 8/3

2:20 pm-5:05 pm

1 stop18h 45m

$1,190

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Mon 8/11

9:45 am-5:50 pm

1 stop16h 05m

Seattle/Tacoma Intl

Sat 8/16

12:34 am-9:15 am

2 stops24h 41m

$1,291

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 6/25

6:35 am-11:15 am

1 stop12h 40m

Seattle/Tacoma Intl

Sat 6/28

10:58 pm-9:35 pm

2 stops38h 37m

$1,484

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 7/18

5:55 am-11:35 am

1 stop13h 40m

$3,176

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 results
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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 $391). 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 June 12, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Newcastle upon Tyne to Seattle have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $763. Additional round-trip tickets that might be worth considering are offered by American Airlines and British Airways, with the lowest prices starting at $774 and $821, respectively. Delta is currently priced 13% 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 $391). 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
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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