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Cheap flights from Newcastle upon Tyne to Seattle from £345

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 15/9. 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

Discover deals from 900+ travel sites with momondo.

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
06:30 - 16:50
NCL
-
SEA
18h 20m
1 stop
British Airways Logo
18:45 - 18:40
SEA
-
NCL
15h 55m
1 stop
£646British Airways
Thu, 10 Dec - Mon, 21 Dec
British Airways Logo
11:25 - 23:01
NCL
-
SEA
19h 36m
2 stops
British Airways Logo
18:45 - 16:00
SEA
-
NCL
13h 15m
1 stop
£659British Airways
Thu, 10 Dec - Mon, 21 Dec
Iberia Logo
09:35 - 12:50
NCL
-
SEA
35h 15m
2 stops
Iberia Logo
20:20 - 16:40
SEA
-
NCL
12h 20m
1 stop
£670Iberia
Thu, 10 Sep - Mon, 21 Sep
Iberia Logo
06:00 - 11:35
NCL
-
SEA
13h 35m
1 stop
Iberia Logo
20:20 - 16:40
SEA
-
NCL
12h 20m
1 stop
£673Iberia
Thu, 10 Sep - Mon, 21 Sep
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
£677British Airways
Thu, 20 Aug - Sun, 30 Aug
KLM Logo
17:35 - 16:35
NCL
-
SEA
31h 00m
1 stop
KLM Logo
17:45 - 16:50
SEA
-
NCL
15h 05m
1 stop
£678KLM
Sat, 12 Sep - Wed, 23 Sep
Delta Logo
05:45 - 16:35
NCL
-
SEA
18h 50m
1 stop
Delta Logo
06:00 - 08:45
SEA
-
NCL
18h 45m
2 stops
£679Delta
Thu, 3 Sep - Thu, 10 Sep
Air France Logo
11:20 - 17:48
NCL
-
SEA
14h 28m
1 stop
Air France Logo
18:45 - 15:40
SEA
-
NCL
12h 55m
1 stop
£679Air France
Mon, 14 Sep - Wed, 23 Sep
Delta Logo
05:45 - 16:54
NCL
-
SEA
19h 09m
2 stops
Delta Logo
06:00 - 08:45
SEA
-
NCL
18h 45m
2 stops
£683Delta
Thu, 3 Sep - Thu, 10 Sep
Multiple Airlines Logo
09:55 - 21:52
NCL
-
SEA
43h 57m
2 stops
Multiple Airlines Logo
07:52 - 08:50
SEA
-
NCL
16h 58m
2 stops
£691Multiple Airlines
Sat, 12 Sep - Tue, 22 Sep

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Iberia flights from Newcastle upon Tyne to Seattle

Our best Iberia deals on Newcastle upon Tyne to Seattle flight tickets
Iberia
10 Sept
NCL09:35Newcastle upon Tyne
35h 15m
2 stops
SEA12:50Seattle/Tacoma Intl
21 Sept
SEA20:20Seattle/Tacoma Intl
12h 20m
1 stop
NCL16:40Newcastle upon Tyne
£670
Iberia
10 Sept
NCL06:00Newcastle upon Tyne
13h 35m
1 stop
SEA11:35Seattle/Tacoma Intl
21 Sept
SEA20:20Seattle/Tacoma Intl
12h 20m
1 stop
NCL16:40Newcastle upon Tyne
£673
Iberia
12 Sept
NCL09:55Newcastle upon Tyne
43h 57m
2 stops
SEA21:52Seattle/Tacoma Intl
23 Sept
SEA10:59Seattle/Tacoma Intl
24h 26m
2 stops
NCL19:25Newcastle upon Tyne
£697

KLM flights from Newcastle upon Tyne to Seattle

Our best KLM deals on Newcastle upon Tyne to Seattle flight tickets
KLM
12 Sept
NCL17:35Newcastle upon Tyne
31h 00m
1 stop
SEA16:35Seattle/Tacoma Intl
23 Sept
SEA17:45Seattle/Tacoma Intl
15h 05m
1 stop
NCL16:50Newcastle upon Tyne
£678
KLM
1 Jan
NCL05:50Newcastle upon Tyne
16h 10m
2 stops
SEA14:00Seattle/Tacoma Intl
4 Jan
SEA11:25Seattle/Tacoma Intl
17h 45m
2 stops
NCL13:10Newcastle upon Tyne
£806

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 22 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

Thu 10/12

06:30-16:50

1 stop18h 20m

Seattle/Tacoma Intl

Mon 21/12

18:45-18:40

1 stop15h 55m

£646

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 10/12

11:25-23:01

2 stops19h 36m

Seattle/Tacoma Intl

Mon 21/12

18:45-16:00

1 stop13h 15m

£659

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 10/9

09:35-12:50

2 stops35h 15m

Seattle/Tacoma Intl

Mon 21/9

20:20-16:40

1 stop12h 20m

£670
Fastest return journey

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 10/9

06:00-11:35

1 stop13h 35m

Seattle/Tacoma Intl

Mon 21/9

20:20-16:40

1 stop12h 20m

£673

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

£677

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sat 12/9

17:35-16:35

1 stop31h 00m

Seattle/Tacoma Intl

Wed 23/9

17:45-16:50

1 stop15h 05m

£678

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 3/9

05:45-16:35

1 stop18h 50m

Seattle/Tacoma Intl

Thu 10/9

06:00-08:45

2 stops18h 45m

£679

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Mon 14/9

11:20-17:48

1 stop14h 28m

Seattle/Tacoma Intl

Wed 23/9

18:45-15:40

1 stop12h 55m

£679

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Thu 3/9

05:45-16:54

2 stops19h 09m

Seattle/Tacoma Intl

Thu 10/9

06:00-08:45

2 stops18h 45m

£683

Newcastle upon TyneSeattle

NCL - SEA

NCLSEA

Newcastle upon Tyne

Sat 12/9

09:55-21:52

2 stops43h 57m

Seattle/Tacoma Intl

Tue 22/9

07:52-08:50

2 stops16h 58m

£691

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 May. Flight prices, which tend to average around £583, 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 £589.

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

13h 35m

Direct flights

None
The fastest flight from Newcastle upon Tyne to Seattle takes 13h 35m
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 13h 35m 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 £501Free CancellationRating
7.8
1,544 reviews
Search KLM flights
British AirwaysPriceFrom £536Free CancellationRating
6.7
8,124 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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