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Cheap flights from Newcastle upon Tyne to Seattle from £450

This is the cheapest one-way 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 15/7. 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.
British Airways Logo
09:20 - 16:55
NCL
-
SEA
15h 35m
1 stop
British Airways Logo
18:50 - 16:00
SEA
-
NCL
13h 10m
1 stop
£671British Airways
Tue, 8 Dec - Wed, 9 Dec
Multiple Airlines Logo
09:20 - 21:50
NCL
-
SEA
20h 30m
2 stops
Multiple Airlines Logo
18:55 - 16:00
SEA
-
NCL
13h 05m
1 stop
£684Multiple Airlines
Tue, 8 Dec - Wed, 9 Dec
British Airways Logo
09:20 - 21:50
NCL
-
SEA
20h 30m
2 stops
British Airways Logo
06:12 - 11:25
SEA
-
NCL
21h 13m
2 stops
£695British Airways
Tue, 8 Dec - Wed, 9 Dec
British Airways Logo
11:05 - 18:25
NCL
-
SEA
15h 20m
1 stop
British Airways Logo
20:20 - 17:30
SEA
-
NCL
13h 10m
1 stop
£696British Airways
Wed, 19 Aug - Thu, 27 Aug
British Airways Logo
17:05 - 11:35
NCL
-
SEA
26h 30m
1 stop
British Airways Logo
20:20 - 18:30
SEA
-
NCL
14h 10m
1 stop
£697British Airways
Wed, 23 Sep - Sun, 27 Sep
British Airways Logo
17:05 - 11:35
NCL
-
SEA
26h 30m
1 stop
British Airways Logo
08:20 - 11:30
SEA
-
NCL
19h 10m
2 stops
£701British Airways
Wed, 23 Sep - Sun, 27 Sep
British Airways Logo
20:40 - 11:35
NCL
-
SEA
22h 55m
1 stop
British Airways Logo
13:40 - 15:30
SEA
-
NCL
17h 50m
2 stops
£702British Airways
Wed, 23 Sep - Sun, 27 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
British Airways Logo
20:15 - 22:56
NCL
-
SEA
34h 41m
2 stops
British Airways Logo
05:50 - 16:40
SEA
-
NCL
26h 50m
2 stops
£707British Airways
Thu, 3 Sep - Mon, 7 Sep
KLM Logo
05:45 - 16:27
NCL
-
SEA
18h 42m
1 stop
KLM Logo
10:40 - 14:50
SEA
-
NCL
20h 10m
2 stops
£721KLM
Fri, 21 Aug - Mon, 31 Aug

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KLM flights from Newcastle upon Tyne to Seattle

Our best KLM deals on Newcastle upon Tyne to Seattle flight tickets
KLM
21 Aug
NCL05:45Newcastle upon Tyne
18h 42m
1 stop
SEA16:27Seattle/Tacoma Intl
31 Aug
SEA10:40Seattle/Tacoma Intl
20h 10m
2 stops
NCL14:50Newcastle upon Tyne
£721
KLM
21 Aug
NCL17:35Newcastle upon Tyne
26h 02m
1 stop
SEA11:37Seattle/Tacoma Intl
31 Aug
SEA17:45Seattle/Tacoma Intl
13h 05m
1 stop
NCL14:50Newcastle upon Tyne
£736
KLM
23 Jul
NCL09:25Newcastle upon Tyne
14h 55m
1 stop
SEA16:20Seattle/Tacoma Intl
6 Aug
SEA17:45Seattle/Tacoma Intl
15h 05m
1 stop
NCL16:50Newcastle upon Tyne
£739

Iberia flights from Newcastle upon Tyne to Seattle

Our best Iberia deals on Newcastle upon Tyne to Seattle flight tickets
Iberia
23 Sept
NCL09:35Newcastle upon Tyne
44h 01m
2 stops
SEA21:36Seattle/Tacoma Intl
27 Sept
SEA13:40Seattle/Tacoma Intl
37h 45m
2 stops
NCL11:25Newcastle upon Tyne
£724
Iberia
23 Sept
NCL09:35Newcastle upon Tyne
44h 01m
2 stops
SEA21:36Seattle/Tacoma Intl
27 Sept
SEA13:40Seattle/Tacoma Intl
37h 45m
2 stops
NCL11:25Newcastle upon Tyne
£728
Iberia
23 Sept
NCL09:35Newcastle upon Tyne
44h 01m
2 stops
SEA21:36Seattle/Tacoma Intl
27 Sept
SEA13:40Seattle/Tacoma Intl
37h 45m
2 stops
NCL11:25Newcastle upon Tyne
£729

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 6 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

Tue 8/12

09:20-16:55

1 stop15h 35m

Seattle/Tacoma Intl

Wed 9/12

18:50-16:00

1 stop13h 10m

£671

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Tue 8/12

09:20-21:50

2 stops20h 30m

Seattle/Tacoma Intl

Wed 9/12

18:55-16:00

1 stop13h 05m

£684

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Tue 8/12

09:20-21:50

2 stops20h 30m

Seattle/Tacoma Intl

Wed 9/12

06:12-11:25

2 stops21h 13m

£695
Fastest return journey

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 19/8

11:05-18:25

1 stop15h 20m

Seattle/Tacoma Intl

Thu 27/8

20:20-17:30

1 stop13h 10m

£696

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 23/9

17:05-11:35

1 stop26h 30m

Seattle/Tacoma Intl

Sun 27/9

20:20-18:30

1 stop14h 10m

£697

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 23/9

17:05-11:35

1 stop26h 30m

Seattle/Tacoma Intl

Sun 27/9

08:20-11:30

2 stops19h 10m

£701

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Wed 23/9

20:40-11:35

1 stop22h 55m

Seattle/Tacoma Intl

Sun 27/9

13:40-15:30

2 stops17h 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

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 3/9

20:15-22:56

2 stops34h 41m

Seattle/Tacoma Intl

Mon 7/9

05:50-16:40

2 stops26h 50m

£707

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Fri 21/8

05:45-16:27

1 stop18h 42m

Seattle/Tacoma Intl

Mon 31/8

10:40-14:50

2 stops20h 10m

£721

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
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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 March. Flight prices, which tend to average around £552, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Seattle, with average flight prices from Newcastle upon Tyne averaging around £585.

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

14h 55m

Direct flights

None
The fastest flight from Newcastle upon Tyne to Seattle takes 14h 55m
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 14h 55m 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 £503Free CancellationRating
7.8
1,534 reviews
Search KLM flights
British AirwaysPriceFrom £531Free CancellationRating
6.7
8,099 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
Fife
Ashford
Tacoma
SeaTac
Tukwila

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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