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Cheap flights from Seattle to London Gatwick Airport from C$ 407

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
22 Jan — 29 Jan1
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 17 January 2025.

Round-trip from

C$ 868

One-way from

C$ 407

Popular in

July

Cheapest in

January

Average price

C$ 839
Icelandair
  • Icelandair
  • 7/5-21/5
  • 2 total stops
  • 25h 00m total
  • Seattle to London
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30/1
  • 30/1
  • 1 total stop
  • 19h 25m total
  • Seattle to London
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High demand for flights, 24% potential price rise
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Best time to find cheap flights, 5% potential price drop
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Average for round-trip flights in January 2025
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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 17 January 2025.

Wed 7/53:45 p.m.SEA - LGW
1 stop12h 00mIcelandair
Wed 21/53:40 p.m.LGW - SEA
1 stop13h 00mIcelandair
Deal found 16/1C$ 868
Tue 4/29:45 a.m.SEA - LGW
1 stop16h 50mMultiple Airlines
Tue 11/212:00 p.m.LGW - SEA
1 stop20h 19mMultiple Airlines
Deal found 16/1C$ 949
Tue 11/23:25 p.m.SEA - LGW
2 stops18h 25mSWISS
Mon 17/26:45 p.m.LGW - SEA
2 stops35h 57mSWISS
Deal found 16/1C$ 957
Mon 17/38:00 p.m.SEA - LGW
1 stop37h 00mTurkish Airlines
Wed 26/36:00 a.m.LGW - SEA
1 stop19h 05mTurkish Airlines
Deal found 16/1C$ 1,035
Sun 5/107:42 a.m.SEA - LGW
2 stops18h 58mBritish Airways
Sat 18/1010:50 a.m.LGW - SEA
2 stops33h 40mBritish Airways
Deal found 16/1C$ 1,082
Wed 28/511:00 a.m.SEA - LGW
1 stop14h 35mJetBlue
Wed 4/612:10 p.m.LGW - SEA
1 stop17h 59mJetBlue
Deal found 16/1C$ 1,315
Fri 30/52:05 p.m.SEA - LGW
2 stops35h 10mWestJet
Thu 5/610:45 a.m.LGW - SEA
2 stops33h 46mWestJet
Deal found 16/1C$ 1,528

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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 7/5

3:45 p.m.-11:45 a.m.

1 stop12h 00m

London Gatwick

Wed 21/5

3:40 p.m.-8:40 p.m.

1 stop13h 00m

C$ 868

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 4/2

9:45 a.m.-10:35 a.m.

1 stop16h 50m

London Gatwick

Tue 11/2

12:00 p.m.-12:19 a.m.

1 stop20h 19m

C$ 949

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 11/2

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

2 stops18h 25m

London Gatwick

Mon 17/2

6:45 p.m.-10:42 p.m.

2 stops35h 57m

C$ 957

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 17/3

8:00 p.m.-4:00 p.m.

1 stop37h 00m

London Gatwick

Wed 26/3

6:00 a.m.-6:05 p.m.

1 stop19h 05m

C$ 1,035

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 28/5

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

1 stop14h 35m

London Gatwick

Wed 4/6

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

1 stop17h 59m

C$ 1,315

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Fri 30/5

2:05 p.m.-9:15 a.m.

2 stops35h 10m

London Gatwick

Thu 5/6

10:45 a.m.-12:31 p.m.

2 stops33h 46m

C$ 1,528

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sun 1/6

7:20 a.m.-10:00 a.m.

1 stop18h 40m

London Gatwick

Sun 15/6

12:00 p.m.-8:27 p.m.

2 stops40h 27m

C$ 1,601

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sun 23/2

11:48 p.m.-3:45 p.m.

2 stops31h 57m

London Gatwick

Wed 26/2

10:40 a.m.-10:17 p.m.

3 stops43h 37m

C$ 1,702

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Thu 30/1

7:10 a.m.-10:35 a.m.

1 stop19h 25m

C$ 407

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sun 23/2

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

1 stop12h 20m

C$ 417

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/1

Showing 1-10 of 16 results
1
2

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.

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 17 January 2025.
Read reviews from past customers who have flown SWISS, Turkish Airlines and TAP AIR PORTUGAL 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
7.5
Good
1,598 reviews
Check prices

Food

7.0

Entertainment

6.8

Crew

8.2

Boarding

7.6

Overall

7.5

Comfort

7.4

Reviews

1 / 10

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

SWISS
7.5
Good
1,598 reviews
SWISS
7.5
Good
1,598 reviews
Check prices

Food

7.0

Entertainment

6.8

Crew

8.2

Boarding

7.6

Overall

7.5

Comfort

7.4

Reviews

1 / 10

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

JetBlue
7.4
Good
3,199 reviews
SWISS
7.5
Good
1,598 reviews
Check prices

Food

7.0

Entertainment

6.8

Crew

8.2

Boarding

7.6

Overall

7.5

Comfort

7.4

Reviews

1 / 10

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

Air France
7.4
Good
1,487 reviews
SWISS
7.5
Good
1,598 reviews
Check prices

Food

7.0

Entertainment

6.8

Crew

8.2

Boarding

7.6

Overall

7.5

Comfort

7.4

Reviews

1 / 10

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

Turkish Airlines
7.3
Good
3,921 reviews
SWISS
7.5
Good
1,598 reviews
Check prices

Food

7.0

Entertainment

6.8

Crew

8.2

Boarding

7.6

Overall

7.5

Comfort

7.4

Reviews

1 / 10

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

WestJet
7.2
Good
2,824 reviews
SWISS
7.5
Good
1,598 reviews
Check prices

Food

7.0

Entertainment

6.8

Crew

8.2

Boarding

7.6

Overall

7.5

Comfort

7.4

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$ 868, 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$ 957 and C$ 1,035, 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$ 417. SWISS flights start at C$ 634 while deals on WestJet start at C$ 749 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 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapestC$ 634AverageC$ 906FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

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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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