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Cheap flights from Seattle to London Gatwick Airport from C$ 466

SEA — LGW
25 Nov — 2 Dec1
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

Wed 30/122:35 p.m. -
1 stop12h 20m
Thu 25/32:40 p.m. -
1 stop34h 15m
Deal found 24/10C$ 1,077
Mon 28/122:35 p.m. -
1 stop12h 20m
Fri 19/32:40 p.m. -
1 stop13h 00m
Deal found 24/10C$ 1,122
Mon 28/122:35 p.m. -
1 stop12h 20m
Thu 25/32:40 p.m. -
1 stop34h 15m
Deal found 24/10C$ 1,125
Sat 7/112:35 p.m. -
1 stop12h 20m
Wed 11/1111:55 a.m. -
1 stop13h 05m
Deal found 23/10C$ 1,144
Thu 31/122:35 p.m. -
1 stop12h 20m
Tue 23/32:40 p.m. -
1 stop34h 15m
Deal found 24/10C$ 1,147
Mon 23/113:25 p.m. -
1 stop16h 20m
Wed 9/1210:00 a.m. -
1 stop13h 13m
Deal found 21/10C$ 1,154
Tue 1/124:05 p.m. -
1 stop15h 40m
Wed 9/1210:00 a.m. -
1 stop13h 13m
Deal found 23/10C$ 1,155
Tue 29/122:35 p.m. -
1 stop12h 20m
Wed 24/32:40 p.m. -
1 stop13h 00m
Deal found 24/10C$ 1,164
Tue 29/122:35 p.m. -
1 stop12h 20m
Thu 25/32:40 p.m. -
1 stop34h 15m
Deal found 24/10C$ 1,167
Tue 1/124:05 p.m. -
1 stop15h 40m
Thu 10/1210:00 a.m. -
2 stops21h 09m
Deal found 21/10C$ 1,169
Tue 8/124:05 p.m. -
1 stop15h 40m
Tue 15/1210:00 a.m. -
2 stops20h 02m
Deal found 23/10C$ 1,171

Find flight deals from Seattle to Gatwick

Round-trip from

C$ 1,049

One-way from

C$ 466

Popular in

July

Cheapest in

December

Average price

C$ 1,190
Virgin Atlantic
  • Virgin Atlantic
  • 25/1-3/2
  • 2 total stops
  • 29h 23m total
  • Seattle to London
Search Deals
9/12-31/12
  • 9/12-31/12
  • 3 total stops
  • 58h 40m total
  • Seattle to London
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 473 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 55 potential savings vs. average RT 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 round-trip
Quickest round-trip

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 23/1

4:05 p.m.-3:45 p.m.

1 stop15h 40m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 514

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 6/2

4:05 p.m.-3:45 p.m.

1 stop15h 40m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 531

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 27/2

4:05 p.m.-3:45 p.m.

1 stop15h 40m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 538

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 9/1

10:13 a.m.-5:50 a.m.

1 stop35h 37m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 748

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Tue 8/12

7:05 p.m.-9:10 a.m.

1 stop30h 05m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 854

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 25/11

7:05 p.m.-4:30 p.m.

1 stop37h 25m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 854

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 25/12

7:05 p.m.-10:35 p.m.

1 stop19h 30m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 910

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 7/11

11:50 a.m.-4:25 p.m.

2 stops20h 35m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 924

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 9/12

3:25 p.m.-3:45 p.m.

1 stop16h 20m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 944

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 5/12

10:55 p.m.-9:00 a.m.

2 stops26h 05m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 961

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/10

Showing 1-10 of 24 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 round-trip price

Cheapflights Insights

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

How much does it cost to fly round-trip from Seattle to London Gatwick Airport?

Airfare is typical for this route at the moment.

Seattle to London Gatwick Airport flights typically cost between C$ 955 and C$ 1,050 in January.
The cheapest round-trip price found within the last 5 days was C$ 1,049 on Virgin Atlantic (25 Jan-3 Feb).

Related info for your journey

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

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to London Gatwick. You should not have trouble finding flights to London Gatwick from Seattle/Tacoma Intl; the airport handles an average of 0 outbound flights to London Gatwick per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Seattle airport to London Gatwick. It is only a 18.4 km journey to Seattle/Tacoma Intl (SEA) from Seattle’s city centre.

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

    There are many flights that can get you from Seattle to London Gatwick Airport in 15h 40m. Fly via Virgin Atlantic or Delta to get the fastest option. Seattle and London Gatwick Airport are separated by a distance of 7736 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 vacation 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
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Luton
Slough
Marlow
Cobham
Hounslow
Wembley
Watford
High Wycombe

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Gatwick

Seattle to Heathrow flights

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