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Cheap flights from Seattle to London Gatwick Airport from £248

SEA — LGW
19 Nov — 26 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Gatwick

Tue 24/1114:35 -
2 stops19h 45m
Tue 1/1208:50 -
2 stops16h 10m
Deal found 18/10£568
Thu 5/1107:45 -
3 stops28h 35m
Thu 12/1119:30 -
2 stops25h 30m
Deal found 18/10£574
Mon 23/1114:35 -
2 stops20h 25m
Tue 8/1208:50 -
2 stops16h 10m
Deal found 16/10£575
Thu 29/1007:45 -
2 stops31h 00m
Thu 5/1119:30 -
2 stops25h 30m
Deal found 18/10£580
Sun 6/1208:40 -
3 stops29h 05m
Sat 12/1214:05 -
2 stops30h 55m
Deal found 20/10£580
Thu 5/1107:45 -
2 stops30h 00m
Sun 8/1117:30 -
2 stops26h 30m
Deal found 16/10£581
Mon 30/1114:35 -
3 stops34h 00m
Mon 7/1207:00 -
2 stops18h 00m
Deal found 16/10£582

Find flight deals from Seattle to Gatwick

Round-trip from

£568

One-way from

£248

Popular in

July

Cheapest in

December

Average price

£638
Condor
  • Condor
  • 10/1-14/1
  • 2 total stops
  • 29h 30m total
  • Seattle to London
Search Deals
8/12-31/12
  • 8/12-31/12
  • 2 total stops
  • 17h 45m total
  • Seattle to London
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£135 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Thu 12/11

14:35-10:55

1 stop12h 20m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£273

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 26/2

15:30-15:45

1 stop16h 15m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£277

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 27/2

16:05-15:45

1 stop15h 40m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£277

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Thu 14/1

16:05-15:45

1 stop15h 40m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£285

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 11/11

14:35-08:30

3 stops33h 55m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£285

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Tue 10/11

14:35-16:50

3 stops18h 15m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£311

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sun 27/12

19:05-09:10

1 stop30h 05m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£458

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sun 10/1

19:05-09:10

1 stop30h 05m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£458

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Thu 7/1

19:05-22:35

1 stop19h 30m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£458

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sun 25/10

20:05-16:30

1 stop37h 25m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£458

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Seattle with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Seattle to London Gatwick Airport

How much does it cost for a return flight from Seattle to London Gatwick Airport?

Airfare is above average for this route at the moment.

Seattle to London Gatwick Airport flights typically cost between £512 and £563 in January.
The cheapest return price found within the last 5 days was £568 on Condor (10 Jan–14 Jan).

Related info for your journey

  • What airport do you fly from for flights from Seattle to London Gatwick?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to London Gatwick. On average, Seattle/Tacoma Intl has 0 outbound flights to London Gatwick per day from 0 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from Seattle to London Gatwick Airport?

    For as low as £568, Condor can have you in London Gatwick Airport from Seattle in 11h 40m. The distance from Seattle to London Gatwick Airport is about 4807 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Seattle to Gatwick that include hotel bookings?

    Yes. In addition to deals on Seattle to Gatwick flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Gatwick?

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

  • Can I find deals for business class flights from Seattle to Gatwick?

    Yes. Cheapflights offers flight deals from Seattle to Gatwick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Slough
Gatwick
Wembley
Hayes
Ilford
Croydon
Colchester
Barnet
Eastbourne
Brentford
Southend-on-Sea
Enfield
Southall
Watford
Kingston upon Thames
Dagenham
Dover

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Seattle to Gatwick?

When you search for this flight from Seattle to Gatwick, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Gatwick?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Gatwick by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Gatwick with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Gatwick flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle to Gatwick become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Gatwick from Seattle today and book when prices fit your budget.

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