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Cheap flights from Newcastle upon Tyne to Seattle from £644

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Newcastle upon Tyne to Seattle departing on 25/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Newcastle upon Tyne to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
15:25 - 11:47
NCL
-
SEA
28h 22m
1 stop
KLM Logo
09:59 - 14:55
SEA
-
NCL
20h 56m
2 stops
£644KLM
Fri, 25 Sep - Sun, 4 Oct
Multiple Airlines Logo
10:15 - 22:57
NCL
-
SEA
20h 42m
2 stops
Multiple Airlines Logo
08:00 - 08:15
SEA
-
NCL
16h 15m
2 stops
£657Multiple Airlines
Fri, 25 Sep - Sun, 4 Oct
Multiple Airlines Logo
05:45 - 16:35
NCL
-
SEA
18h 50m
1 stop
Multiple Airlines Logo
18:45 - 21:35
SEA
-
NCL
18h 50m
1 stop
£673Multiple Airlines
Sat, 26 Sep - Sun, 4 Oct
KLM Logo
05:45 - 16:35
NCL
-
SEA
18h 50m
1 stop
KLM Logo
13:45 - 13:10
SEA
-
NCL
15h 25m
1 stop
£676KLM
Fri, 25 Sep - Sat, 3 Oct
British Airways Logo
20:15 - 11:35
NCL
-
SEA
23h 20m
1 stop
British Airways Logo
20:20 - 18:30
SEA
-
NCL
14h 10m
1 stop
£679British Airways
Thu, 20 Aug - Sun, 30 Aug
KLM Logo
05:45 - 13:51
NCL
-
SEA
16h 06m
2 stops
KLM Logo
13:45 - 16:50
SEA
-
NCL
19h 05m
1 stop
£681KLM
Fri, 25 Sep - Sat, 3 Oct
British Airways Logo
06:00 - 11:35
NCL
-
SEA
13h 35m
1 stop
British Airways Logo
20:20 - 19:45
SEA
-
NCL
15h 25m
1 stop
£688British Airways
Fri, 21 Aug - Mon, 31 Aug
American Airlines Logo
06:10 - 11:35
NCL
-
SEA
13h 25m
1 stop
American Airlines Logo
10:59 - 15:30
SEA
-
NCL
20h 31m
2 stops
£699American Airlines
Sat, 26 Sep - Sat, 3 Oct
British Airways Logo
09:35 - 11:35
NCL
-
SEA
34h 00m
1 stop
British Airways Logo
05:50 - 16:40
SEA
-
NCL
26h 50m
2 stops
£702British Airways
Thu, 3 Sep - Mon, 7 Sep
British Airways Logo
09:35 - 11:35
NCL
-
SEA
34h 00m
1 stop
British Airways Logo
05:50 - 16:40
SEA
-
NCL
26h 50m
2 stops
£703British Airways
Thu, 3 Sep - Mon, 7 Sep

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Delta flights from Newcastle upon Tyne to Seattle

Our best Delta deals on Newcastle upon Tyne to Seattle flight tickets
Delta
31 Jul
NCL05:45Newcastle upon Tyne
13h 48m
1 stop
SEA11:33Seattle/Tacoma Intl
4 Aug
SEA13:30Seattle/Tacoma Intl
13h 05m
1 stop
NCL10:35Newcastle upon Tyne
£789
Delta
31 Jul
NCL05:45Newcastle upon Tyne
13h 48m
1 stop
SEA11:33Seattle/Tacoma Intl
4 Aug
SEA09:35Seattle/Tacoma Intl
19h 40m
2 stops
NCL13:15Newcastle upon Tyne
£792
Delta
1 Aug
NCL05:45Newcastle upon Tyne
24h 40m
2 stops
SEA22:25Seattle/Tacoma Intl
4 Aug
SEA13:30Seattle/Tacoma Intl
13h 05m
1 stop
NCL10:35Newcastle upon Tyne
£801

American Airlines flights from Newcastle upon Tyne to Seattle

Our best American Airlines deals on Newcastle upon Tyne to Seattle flight tickets
American Airlines
26 Sept
NCL06:10Newcastle upon Tyne
13h 25m
1 stop
SEA11:35Seattle/Tacoma Intl
3 Oct
SEA10:59Seattle/Tacoma Intl
20h 31m
2 stops
NCL15:30Newcastle upon Tyne
£699
American Airlines
11 Aug
NCL09:10Newcastle upon Tyne
17h 15m
1 stop
SEA18:25Seattle/Tacoma Intl
17 Aug
SEA13:30Seattle/Tacoma Intl
12h 55m
1 stop
NCL10:25Newcastle upon Tyne
£753
American Airlines
9 Aug
NCL16:20Newcastle upon Tyne
27h 15m
1 stop
SEA11:35Seattle/Tacoma Intl
16 Aug
SEA20:20Seattle/Tacoma Intl
14h 10m
1 stop
NCL18:30Newcastle upon Tyne
£753

momondo Fare Finder

 
Customise 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, momondo users made 279,928 searches. Data last updated 15 July 2026.
Use the filters below to find and compare flights from Newcastle upon Tyne to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 25/9

15:25-11:47

1 stop28h 22m

Seattle/Tacoma Intl

Sun 4/10

09:59-14:55

2 stops20h 56m

£644

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 25/9

10:15-22:57

2 stops20h 42m

Seattle/Tacoma Intl

Sun 4/10

08:00-08:15

2 stops16h 15m

£657

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sat 26/9

05:45-16:35

1 stop18h 50m

Seattle/Tacoma Intl

Sun 4/10

18:45-21:35

1 stop18h 50m

£673

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 25/9

05:45-16:35

1 stop18h 50m

Seattle/Tacoma Intl

Sat 3/10

13:45-13:10

1 stop15h 25m

£676

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 20/8

20:15-11:35

1 stop23h 20m

Seattle/Tacoma Intl

Sun 30/8

20:20-18:30

1 stop14h 10m

£679

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 25/9

05:45-13:51

2 stops16h 06m

Seattle/Tacoma Intl

Sat 3/10

13:45-16:50

1 stop19h 05m

£681
Fastest return journey

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 21/8

06:00-11:35

1 stop13h 35m

Seattle/Tacoma Intl

Mon 31/8

20:20-19:45

1 stop15h 25m

£688

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sat 26/9

06:10-11:35

1 stop13h 25m

Seattle/Tacoma Intl

Sat 3/10

10:59-15:30

2 stops20h 31m

£699

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 3/9

09:35-11:35

1 stop34h 00m

Seattle/Tacoma Intl

Mon 7/9

05:50-16:40

2 stops26h 50m

£702

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 3/9

09:35-11:35

1 stop34h 00m

Seattle/Tacoma Intl

Mon 7/9

05:50-16:40

2 stops26h 50m

£703

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Seattle from

How to get the cheapest flight ticket from Newcastle upon Tyne to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Newcastle upon Tyne and Seattle?

What is the cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from Newcastle upon Tyne is in May. Flight prices, which tend to average around £584, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Seattle, with average flight prices from Newcastle upon Tyne averaging around £590.

When to book flights from Newcastle upon Tyne to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Newcastle upon Tyne to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Newcastle upon Tyne to Seattle (NCL to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Newcastle upon Tyne to Seattle

Fastest flight time

16h 10m

Direct flights

None
The fastest flight from Newcastle upon Tyne to Seattle takes 16h 10m
There are no direct flights from Newcastle upon Tyne to Seattle. There are no popular flight routes from Newcastle upon Tyne to Seattle.
Search flight deals

Frequently asked questions about flying from Newcastle upon Tyne to Seattle

  • How far is Newcastle upon Tyne to Seattle/Tacoma Intl by plane?

    A flight from Newcastle upon Tyne to Seattle/Tacoma Intl will travel around 4555.2 mi. Typically, this will take 16h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from Newcastle upon Tyne Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Newcastle upon Tyne Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Newcastle upon Tyne Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Newcastle upon Tyne Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Newcastle upon Tyne Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Newcastle upon Tyne to Seattle?

Best airlines flying from Newcastle upon Tyne to Seattle

Compare and see reviews for airlines that fly from Newcastle upon Tyne to Seattle with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £502Free CancellationRating
7.8
1,539 reviews
Search KLM flights
British AirwaysPriceFrom £531Free CancellationRating
6.7
8,116 reviews
Search British Airways flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Westport
Kirkland
Ashford
Tacoma
SeaTac
Tukwila
Fife

Why use momondo?

Why should I use momondo to find a flight deal from Newcastle upon Tyne to Seattle?

Finding the right flight to Seattle from Newcastle upon Tyne is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Newcastle upon Tyne to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Newcastle upon Tyne which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Newcastle upon Tyne to Seattle?

Once you have performed a search for Newcastle upon Tyne to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Newcastle upon Tyne to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Newcastle upon Tyne to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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