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Cheap flights from Seattle to London Gatwick Airport from C$ 421

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
23 Dec — 30 Dec1
1 adult

Cheap flight deals from Seattle to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Gatwick (LGW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2024.

Round-trip from

C$ 863

One-way from

C$ 421

Popular in

July

Cheapest in

April

Average price

C$ 1,011
Icelandair
  • Icelandair
  • 26/1-10/2
  • 2 total stops
  • 25h 25m total
  • Seattle to London
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19/1
  • 19/1
  • 2 total stops
  • 35h 37m total
  • Seattle to London
Search Deals
High demand for flights, 24% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Seattle to Gatwick

Cheapest flights from Seattle to Gatwick
Explore the most affordable flight options available from Seattle to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Wed 18/122:16 p.m.SEA - LGW
1 stop36h 19mMultiple Airlines
Fri 27/1212:00 p.m.LGW - SEA
1 stop38h 12mMultiple Airlines
Deal found 16/12C$ 2,035
Fri 27/1211:31 a.m.SEA - LGW
2 stops15h 24mIcelandair
Mon 30/1211:55 a.m.LGW - SEA
1 stop13h 05mIcelandair
Deal found 18/12C$ 2,145
Tue 17/122:00 p.m.SEA - LGW
2 stops19h 50mSWISS
Tue 24/126:45 p.m.LGW - SEA
2 stops34h 30mSWISS
Deal found 17/12C$ 2,491
Tue 24/127:00 p.m.SEA - LGW
1 stop18h 30mTurkish Airlines
Wed 8/14:55 p.m.LGW - SEA
1 stop32h 10mTurkish Airlines
Deal found 17/12C$ 2,507
Wed 25/127:47 a.m.SEA - LGW
2 stops18h 03mTAP AIR PORTUGAL
Fri 10/110:40 a.m.LGW - SEA
3 stops43h 20mTAP AIR PORTUGAL
Deal found 17/12C$ 4,266
Wed 25/1211:40 a.m.SEA - LGW
2 stops20h 45mAir Europa
Sat 11/15:25 p.m.LGW - SEA
2 stops34h 30mAir Europa
Deal found 17/12C$ 4,563

Find flights from Seattle to Gatwick within your budget

Customize your flight search to find flights from Seattle to Gatwick 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, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sun 26/1

2:35 p.m.-10:55 a.m.

1 stop12h 20m

London Gatwick

Mon 10/2

11:55 a.m.-5:00 p.m.

1 stop13h 05m

C$ 863

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sun 2/2

2:35 p.m.-10:55 a.m.

1 stop12h 20m

London Gatwick

Wed 5/2

8:15 a.m.-2:21 p.m.

2 stops38h 06m

C$ 891

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 14/1

3:25 p.m.-5:50 p.m.

2 stops18h 25m

London Gatwick

Tue 21/1

6:45 p.m.-9:20 p.m.

2 stops34h 35m

C$ 998

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 22/1

7:00 p.m.-9:30 p.m.

1 stop18h 30m

London Gatwick

Wed 29/1

4:55 p.m.-5:05 p.m.

1 stop32h 10m

C$ 1,030

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 26/5

11:00 a.m.-9:35 a.m.

1 stop14h 35m

London Gatwick

Tue 10/6

12:10 p.m.-10:09 p.m.

1 stop17h 59m

C$ 1,288

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sun 19/1

3:18 p.m.-10:55 a.m.

2 stops35h 37m

C$ 421

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sun 27/4

7:00 p.m.-2:40 p.m.

1 stop11h 40m

C$ 663

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 5/3

12:37 p.m.-5:50 p.m.

2 stops21h 13m

C$ 687

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Fri 30/5

7:05 a.m.-9:16 a.m.

2 stops42h 11m

C$ 748

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Fri 23/5

11:00 a.m.-9:35 a.m.

1 stop14h 35m

C$ 833

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 14 results
1
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Gatwick

Get recent, data-driven insights about flights from Seattle to Gatwick including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to London Gatwick Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Gatwick. Price data was last updated on 13 December 2024.

The best time to book flights from Seattle to London Gatwick Airport is 27 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to London Gatwick Airport?

Currently, January is the cheapest month in which you can book a flight from Seattle to London Gatwick Airport (average of C$ 511). Flying from Seattle to London Gatwick Airport in July is currently the most expensive (average of C$ 793). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Gatwick by month

Plan your trip to Gatwick by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Gatwick Airport ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Gatwick Airport when rainfall is around 40.0 mm.

Temperature in Gatwick by month

Plan your trip to Gatwick by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Gatwick Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Gatwick

Get insights into the airlines that provide service to Gatwick. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Gatwick. Reviews last updated 18 December 2024.
Read reviews from past customers who have flown Icelandair, SWISS and Turkish Airlines from Seattle to London. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,606 reviews
Check prices

Crew

8.2

Entertainment

6.8

Boarding

7.7

Comfort

7.4

Food

7.1

Overall

7.6

Reviews

1 / 10

Indian Veg food selection and quality definitely needs a better chef.

SWISS
7.6
Good
1,606 reviews
SWISS
7.6
Good
1,606 reviews
Check prices

Crew

8.2

Entertainment

6.8

Boarding

7.7

Comfort

7.4

Food

7.1

Overall

7.6

Reviews

1 / 10

Indian Veg food selection and quality definitely needs a better chef.

JetBlue
7.4
Good
3,279 reviews
SWISS
7.6
Good
1,606 reviews
Check prices

Crew

8.2

Entertainment

6.8

Boarding

7.7

Comfort

7.4

Food

7.1

Overall

7.6

Reviews

1 / 10

Indian Veg food selection and quality definitely needs a better chef.

Turkish Airlines
7.3
Good
3,907 reviews
SWISS
7.6
Good
1,606 reviews
Check prices

Crew

8.2

Entertainment

6.8

Boarding

7.7

Comfort

7.4

Food

7.1

Overall

7.6

Reviews

1 / 10

Indian Veg food selection and quality definitely needs a better chef.

WestJet
7.3
Good
2,818 reviews
SWISS
7.6
Good
1,606 reviews
Check prices

Crew

8.2

Entertainment

6.8

Boarding

7.7

Comfort

7.4

Food

7.1

Overall

7.6

Reviews

1 / 10

Indian Veg food selection and quality definitely needs a better chef.

Ethiopian Air
7.3
Good
781 reviews
SWISS
7.6
Good
1,606 reviews
Check prices

Crew

8.2

Entertainment

6.8

Boarding

7.7

Comfort

7.4

Food

7.1

Overall

7.6

Reviews

1 / 10

Indian Veg food selection and quality definitely needs a better chef.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 1 airline has 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.

  • What are the cheapest airlines flying from Seattle to London Gatwick Airport round-trip?

    Currently priced at C$ 863, Icelandair will fly you from Seattle to London Gatwick Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from SWISS and Turkish Airlines - these airlines can fly you to your destination from C$ 998 and C$ 1,030, respectively. These flights start at 22% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to London Gatwick Airport one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at C$ 663. SWISS flights start at C$ 687 while deals on WestJet start at C$ 748 one-way.

  • 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.

  • What is the cheapest month to book a flight from Seattle to London Gatwick Airport?

    Currently, January is the cheapest month in which you can book a flight from Seattle to London Gatwick Airport (average of C$ 511). Flying from Seattle to London Gatwick Airport in July is currently the most expensive (average of C$ 793). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Heathrow flights

Top airline flying from Seattle to Gatwick

Discover the top airline that operate flights from Seattle to Gatwick. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapestC$ 630AverageC$ 1,110FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

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

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

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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 offers price alerts on Seattle to Gatwick flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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