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Cheap flights from London Gatwick Airport to Seattle from £387

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SEA
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Gatwick to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Seattle (SEA). 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 21 February 2025.

Round-trip from

£441

One-way from

£389

Popular in

August

Cheapest in

February

Average price

£462
Icelandair
  • Icelandair
  • 17/3-31/3
  • 2 total stops
  • 25h 05m total
  • London to Seattle
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27/2
  • 27/2
  • 2 total stops
  • 30h 36m total
  • London to Seattle
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£105 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
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Find flight deals from Gatwick to Seattle

Cheapest flights from Gatwick to Seattle
Explore the most affordable flight options available from Gatwick to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Tue 18/311:55LGW - SEA
1 stop13h 05mIcelandair
Tue 25/315:35SEA - LGW
1 stop12h 20mIcelandair
Deal found 19/2£422
Thu 13/318:40LGW - SEA
2 stops34h 59mSWISS
Wed 26/314:50SEA - LGW
2 stops20h 00mSWISS
Deal found 20/2£473
Tue 22/410:40LGW - SEA
2 stops20h 24mAmerican Airlines
Wed 30/407:20SEA - LGW
2 stops16h 50mAmerican Airlines
Deal found 19/2£493
Thu 6/318:40LGW - SEA
2 stops35h 59mMultiple Airlines
Sun 9/306:05SEA - LGW
2 stops28h 45mMultiple Airlines
Deal found 20/2£505
Mon 23/612:00LGW - SEA
2 stops20h 05mDelta
Tue 1/722:55SEA - LGW
1 stop27h 05mDelta
Deal found 19/2£607
Tue 1/420:40LGW - SEA
2 stops34h 27mIberia
Sun 29/615:04SEA - LGW
2 stops20h 56mIberia
Deal found 19/2£682
Mon 3/310:20LGW - SEA
1 stop38h 45mTurkish Airlines
Mon 17/320:00SEA - LGW
1 stop37h 00mTurkish Airlines
Deal found 19/2£685

Find flights from Gatwick to Seattle within your budget

Customise your flight search to find flights from Gatwick 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, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.

Fly from

Gatwick

Fly to

Seattle

Route

Depart

Return

Price

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 5/3

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Wed 12/3

15:35-10:55

1 stop12h 20m

£437

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 13/3

18:40-22:39

2 stops34h 59m

Seattle/Tacoma Intl

Wed 26/3

14:50-17:50

2 stops20h 00m

£473

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 24/3

12:30-13:00

2 stops31h 30m

Seattle/Tacoma Intl

Sun 30/3

23:59-06:35

2 stops22h 36m

£492

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 6/3

18:40-22:39

2 stops35h 59m

Seattle/Tacoma Intl

Sun 9/3

06:05-17:50

2 stops28h 45m

£505

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 13/3

06:00-18:05

1 stop19h 05m

Seattle/Tacoma Intl

Thu 20/3

20:00-15:50

1 stop36h 50m

£665

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 13/7

12:00-22:23

1 stop18h 23m

Seattle/Tacoma Intl

Sun 27/7

22:55-10:00

1 stop27h 05m

£687

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 2/6

10:45-12:58

2 stops34h 13m

Seattle/Tacoma Intl

Sun 8/6

13:15-09:25

2 stops36h 10m

£789

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 13/3

12:00-08:15

2 stops27h 15m

£387

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 3/3

11:55-17:00

1 stop13h 05m

£442

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 15/6

10:45-12:58

2 stops34h 13m

£460

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 17 results
1
2

Best time to book a flight from Gatwick to Seattle

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

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

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

Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Seattle (average of £622). Flying from London Gatwick Airport to Seattle in July is currently the most expensive (average of £946). 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.

What is the cheapest time of day to fly from LGW to SEA?

Find hourly flight availability from Gatwick to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 8% on flights from London Gatwick Airport to Seattle by exploring options for tickets at midday.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 21 February 2025.
Get a feel of what it's like to fly with Emirates, SWISS and Virgin Atlantic from London to Seattle by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,279 reviews
Check prices

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Food

7.9

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Emirates
8.1
Very Good
3,279 reviews
Emirates
8.1
Very Good
3,279 reviews
Check prices

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Food

7.9

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

SWISS
7.5
Good
1,568 reviews
Emirates
8.1
Very Good
3,279 reviews
Check prices

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Food

7.9

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Virgin Atlantic
7.5
Good
654 reviews
Emirates
8.1
Very Good
3,279 reviews
Check prices

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Food

7.9

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Turkish Airlines
7.3
Good
3,832 reviews
Emirates
8.1
Very Good
3,279 reviews
Check prices

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Food

7.9

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

American Airlines
7.2
Good
10,000 reviews
Emirates
8.1
Very Good
3,279 reviews
Check prices

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Food

7.9

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Seattle. 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 into for flights to Seattle from London Gatwick?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from London Gatwick to Seattle. 3 airlines have flights to Seattle/Tacoma Intl from London Gatwick on a regular basis. Booking flights from London Gatwick to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from London Gatwick per day.

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

    Flying on Icelandair is currently your cheapest option to Seattle, with prices starting at £441. Additional return tickets that might be worth considering are offered by SWISS and Virgin Atlantic, with the lowest prices starting at £473 and £687, respectively. Icelandair is priced at 25% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as £442. Users have also found prices from £460 and £688 on WestJet and Turkish Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Gatwick to Seattle 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 London Gatwick Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Seattle (average of £622). Flying from London Gatwick Airport to Seattle in July is currently the most expensive (average of £946). 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

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

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Top 3 airlines flying from Gatwick to Seattle

Discover the top 3 airlines that operate flights from Gatwick to Seattle. 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 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£346Average£552FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£464Average£547FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£513Average£567FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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

When you search for this flight from Gatwick to Seattle, 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 Gatwick to Seattle?

Cheapflights simply makes it quick and affordable to book flights from Gatwick to Seattle 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 Gatwick to Seattle with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Gatwick to Seattle, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from Gatwick to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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