How long is the flight from St. Louis to London Gatwick Airport?

For as low as $580, American Airlines can have you in London Gatwick Airport from St. Louis in 15h 28m. There are 4207 mi between St. Louis and London Gatwick Airport.

What is the cheapest airline to fly from St. Louis to London Gatwick Airport round-trip?

Currently priced at $687, American Airlines will fly you from St. Louis to London Gatwick Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. American Airlines is currently priced 29% below the average price you’ll pay for this route.

What is the cheapest month to book a flight from St. Louis to London Gatwick Airport?

Currently, January is the cheapest month in which you can book a flight from St. Louis to London Gatwick Airport (average of $569). Flying from St. Louis to London Gatwick Airport in June is currently the most expensive (average of $765). 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 day to fly from St. Louis to London Gatwick Airport?

Travelers seeking maximum savings on their St. Louis to London Gatwick Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London Gatwick Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Gatwick Airport when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest day to fly round-trip from St. Louis to London Gatwick Airport?

Saturday flights are generally found to be more expensive for flights from St. Louis to London Gatwick Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Gatwick Airport.

How far in advance should I book a flight from St. Louis to London Gatwick Airport?

Users have found that booking a flight from St. Louis to London Gatwick Airport at least 54 days early can save you up to 93% on average compared to booking a flight this week. If booking 54 days before your flight isn’t an option for you, users have found flights from St. Louis to London Gatwick Airport for as little as $736 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,306 for flights departing within the next 3 days.

What is the cheapest month to fly from St. Louis to London Gatwick Airport?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to London Gatwick Airport. Flights to London Gatwick Airport from St. Louis in October are about $931 on average during October, but can be found for as low as $546.

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

It’s typically best to fly out from St. Louis to London Gatwick Airport in the morning. Doing so could potentially save you 28% on the flight price compared to flying at noon, which is usually more expensive.

What airport do you fly from for flights from St. Louis to London Gatwick?

Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to London Gatwick from St. Louis. Booking flights from Lambert-St Louis (STL) to London Gatwick should be relatively easy as there are 0 daily outbound flights to London Gatwick from 1 airline.

Can I find deals for flights from St. Louis to Gatwick that include hotel bookings?

Yes. In addition to deals on St. Louis to Gatwick flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Gatwick?

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

Can I find deals for business class flights from St. Louis to Gatwick?

Yes. Cheapflights offers flight deals from St. Louis 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.

$231+ Cheap Flights from St. Louis to London Gatwick Airport

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Cheap flight deals from St. Louis to Gatwick

Round-trip from	$580 (American Airlines)
One-way from	$231 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$767

From Lambert-St Louis to London Gatwick

Search Deals

One-way flight from Lambert-St Louis to London Gatwick

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Highest demand for flights based on searches. 11% potential increase in price ($125 potential increase over avg. RT price).

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Cheapest flight prices on average. 8% potential price decrease ($76 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from St. Louis to Gatwick

Cheapest flights from St. Louis to Gatwick
Explore the most affordable flight options available from St. Louis to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Thu 9/259:07 amSTL - LGW

2 stops15h 28mAmerican Airlines

Thu 10/910:40 amLGW - STL

2 stops19h 14mAmerican Airlines

Deal found 9/11

$580

Sat 12/135:11 pmSTL - LGW

1 stop34h 49mMultiple Airlines

Sat 1/102:00 pmLGW - STL

1 stop14h 33mMultiple Airlines

Deal found 9/11

$606

Fri 12/129:45 amSTL - LGW

1 stop18h 15mMultiple Airlines

Sat 1/102:00 pmLGW - STL

1 stop14h 33mMultiple Airlines

Deal found 9/11

$607

Sun 12/149:45 amSTL - LGW

1 stop18h 15mMultiple Airlines

Sat 1/102:00 pmLGW - STL

1 stop14h 33mMultiple Airlines

Deal found 9/11

$628

Mon 12/159:45 amSTL - LGW

1 stop18h 15mMultiple Airlines

Sat 1/102:00 pmLGW - STL

1 stop14h 33mMultiple Airlines

Deal found 9/11

$649

Tue 11/47:45 pmSTL - LGW

2 stops28h 15mMultiple Airlines

Fri 11/72:00 pmLGW - STL

1 stop31h 38mMultiple Airlines

Deal found 9/11

$676

Sun 10/267:23 amSTL - LGW

2 stops19h 07mAmerican Airlines

Sun 11/211:20 amLGW - STL

2 stops28h 15mAmerican Airlines

Deal found 9/11

$678

Mon 10/276:05 pmSTL - LGW

2 stops30h 55mMultiple Airlines

Thu 10/302:00 pmLGW - STL

1 stop28h 17mMultiple Airlines

Deal found 9/11

$680

Sat 10/256:47 pmSTL - LGW

2 stops30h 13mMultiple Airlines

Sat 11/12:00 pmLGW - STL

1 stop29h 17mMultiple Airlines

Deal found 9/10

$724

Best flights from St. Louis to Gatwick
Discover carefully curated flight deals from St. Louis to Gatwick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Thu 9/259:07 amSTL - LGW

2 stops15h 28mAmerican Airlines

Thu 10/910:40 amLGW - STL

2 stops19h 14mAmerican Airlines

Deal found 9/11

$580

Tue 11/47:45 pmSTL - LGW

2 stops28h 15mMultiple Airlines

Fri 11/72:00 pmLGW - STL

1 stop31h 38mMultiple Airlines

Deal found 9/11

$676

Sat 10/256:47 pmSTL - LGW

2 stops30h 13mMultiple Airlines

Sat 11/12:00 pmLGW - STL

1 stop29h 17mMultiple Airlines

Deal found 9/10

$724

Sun 10/51:57 pmSTL - LGW

1 stop14h 13mMultiple Airlines

Wed 10/1510:55 amLGW - STL

2 stops28h 27mMultiple Airlines

Deal found 9/10

$753

Sat 12/135:11 pmSTL - LGW

2 stops30h 49mMultiple Airlines

Sat 1/102:00 pmLGW - STL

1 stop14h 33mMultiple Airlines

Deal found 9/11

$782

Thu 10/96:05 pmSTL - LGW

1 stop33h 55mMultiple Airlines

Thu 10/162:00 pmLGW - STL

1 stop33h 10mMultiple Airlines

Deal found 9/9

$881

Sat 11/18:40 pmSTL - LGW

2 stops33h 15mMultiple Airlines

Fri 11/142:00 pmLGW - STL

1 stop31h 38mMultiple Airlines

Deal found 9/10

$920

Tue 11/1110:17 amSTL - LGW

1 stop14h 53mMultiple Airlines

Tue 11/181:00 pmLGW - STL

2 stops59h 58mMultiple Airlines

Deal found 9/11

$1,084

Sun 11/93:50 pmSTL - LGW

2 stops18h 55mMultiple Airlines

Sat 11/298:15 pmLGW - STL

2 stops25h 14mMultiple Airlines

Deal found 9/10

$1,199

Mon 10/66:30 amSTL - LGW

3 stops21h 20mMultiple Airlines

Fri 10/1012:40 pmLGW - STL

1 stop12h 58mMultiple Airlines

Deal found 9/11

$1,225

Thu 9/2510:35 amSTL - LGW

3 stops26h 20mMultiple Airlines

Thu 10/910:00 amLGW - STL

3 stops35h 18mMultiple Airlines

Deal found 9/11

$1,252

Last-minute flights from St. Louis to Gatwick
Discover last-minute flight deals from St. Louis to Gatwick. Data last updated September 11, 2025 and is based on user searches.

Sat 9/204:58 pmSTL - LGW

2 stops31h 22mMultiple Airlines

Sat 9/272:00 pmLGW - STL

1 stop29h 07mMultiple Airlines

Deal found 9/10

$774

Sun 9/211:52 pmSTL - LGW

1 stop14h 18mMultiple Airlines

Tue 10/72:00 pmLGW - STL

2 stops49h 22mMultiple Airlines

Deal found 9/10

$779

Thu 9/259:07 amSTL - LGW

2 stops15h 28mAmerican Airlines

Thu 10/910:40 amLGW - STL

2 stops19h 14mAmerican Airlines

Deal found 9/11

$580

Sun 10/51:57 pmSTL - LGW

1 stop14h 13mMultiple Airlines

Wed 10/1510:55 amLGW - STL

2 stops28h 27mMultiple Airlines

Deal found 9/10

$753

Sun 10/510:39 amSTL - LGW

2 stops41h 21mMultiple Airlines

Sun 10/122:00 pmLGW - STL

1 stop36h 21mMultiple Airlines

Deal found 9/10

$825

Mon 10/69:32 pmSTL - LGW

1 stop30h 28mMultiple Airlines

Fri 10/102:00 pmLGW - STL

1 stop31h 38mMultiple Airlines

Deal found 9/11

$751

Thu 10/910:57 amSTL - LGW

2 stops17h 03mMultiple Airlines

Thu 10/162:00 pmLGW - STL

1 stop33h 10mMultiple Airlines

Deal found 9/9

$808

Fri 10/106:05 pmSTL - LGW

1 stop33h 55mMultiple Airlines

Fri 10/1710:55 amLGW - STL

2 stops28h 12mMultiple Airlines

Deal found 9/10

$785

Sat 10/256:47 pmSTL - LGW

2 stops30h 13mMultiple Airlines

Sat 11/12:00 pmLGW - STL

1 stop29h 17mMultiple Airlines

Deal found 9/10

$724

Sun 10/267:23 amSTL - LGW

2 stops19h 07mAmerican Airlines

Sun 11/211:20 amLGW - STL

2 stops28h 15mAmerican Airlines

Deal found 9/11

$678

Mon 10/276:05 pmSTL - LGW

2 stops30h 55mMultiple Airlines

Thu 10/302:00 pmLGW - STL

1 stop28h 17mMultiple Airlines

Deal found 9/11

$680

One-way flights from St. Louis to Gatwick
Search for one-way flight options from St. Louis to Gatwick. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Sat 10/47:55 pmSTL - LGW

2 stops32h 15mMultiple Airlines

Deal found 9/11

$231

Mon 10/64:00 pmSTL - LGW

2 stops36h 00mMultiple Airlines

Deal found 9/11

$235

Tue 10/147:52 pmSTL - LGW

2 stops33h 03mMultiple Airlines

Deal found 9/11

$239

Sat 11/154:33 pmSTL - LGW

2 stops31h 27mMultiple Airlines

Deal found 9/10

$260

Wed 12/34:05 pmSTL - LGW

3 stops21h 00mMultiple Airlines

Deal found 9/11

$383

Fri 10/109:59 pmSTL - LGW

3 stops26h 21mMultiple Airlines

Deal found 9/10

$388

Tue 9/167:08 amSTL - LGW

1 stop17h 12mMultiple Airlines

Deal found 9/11

$407

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 9/25

9:07 am-6:35 am

2 stops15h 28m

London Gatwick

Thu 10/9

10:40 am-11:54 pm

2 stops19h 14m

$580

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 11/4

7:45 pm-6:00 am

2 stops28h 15m

London Gatwick

Fri 11/7

2:00 pm-3:38 pm

1 stop31h 38m

$676

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 10/25

6:47 pm-7:00 am

2 stops30h 13m

London Gatwick

Sat 11/1

2:00 pm-2:17 pm

1 stop29h 17m

$724

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 10/5

1:57 pm-10:10 am

1 stop14h 13m

London Gatwick

Wed 10/15

10:55 am-9:22 am

2 stops28h 27m

$753

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 12/13

5:11 pm-6:00 am

2 stops30h 49m

London Gatwick

Sat 1/10

2:00 pm-10:33 pm

1 stop14h 33m

$782

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 10/9

6:05 pm-10:00 am

1 stop33h 55m

London Gatwick

Thu 10/16

2:00 pm-5:10 pm

1 stop33h 10m

$881

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 11/1

8:40 pm-10:55 am

2 stops33h 15m

London Gatwick

Fri 11/14

2:00 pm-3:38 pm

1 stop31h 38m

$920

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 11/11

10:17 am-7:10 am

1 stop14h 53m

London Gatwick

Tue 11/18

1:00 pm-6:58 pm

2 stops59h 58m

$1,084

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 11/9

3:50 pm-4:45 pm

2 stops18h 55m

London Gatwick

Sat 11/29

8:15 pm-3:29 pm

2 stops25h 14m

$1,199

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 10/6

6:30 am-9:50 am

3 stops21h 20m

London Gatwick

Fri 10/10

12:40 pm-7:38 pm

1 stop12h 58m

$1,225

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 19 results

Best time to book a flight from St. Louis to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from St. Louis 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.

Reviews of airlines servicing Gatwick

See what other customers who have flown with American Airlines from St. Louis to London Gatwick Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

What airport do you fly from for flights from St. Louis to London Gatwick?
Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to London Gatwick from St. Louis. Booking flights from Lambert-St Louis (STL) to London Gatwick should be relatively easy as there are 0 daily outbound flights to London Gatwick from 1 airline.
How long is the flight from St. Louis to London Gatwick Airport?
For as low as $580, American Airlines can have you in London Gatwick Airport from St. Louis in 15h 28m. There are 4207 mi between St. Louis and London Gatwick Airport.
What is the cheapest airline to fly from St. Louis to London Gatwick Airport round-trip?
Currently priced at $687, American Airlines will fly you from St. Louis to London Gatwick Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. American Airlines is currently priced 29% below the average price you’ll pay for this route.
Can I find deals for flights from St. Louis to Gatwick that include hotel bookings?
Yes. In addition to deals on St. Louis to Gatwick flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Gatwick?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Gatwick.
Can I find deals for business class flights from St. Louis to Gatwick?
Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to London Gatwick Airport?
Currently, January is the cheapest month in which you can book a flight from St. Louis to London Gatwick Airport (average of $569). Flying from St. Louis to London Gatwick Airport in June is currently the most expensive (average of $765). 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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Top airline flying from St. Louis to Gatwick

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$687	Average$861	FlexibilityNo cancel fee	On-time71%

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$231+ Cheap flights from St. Louis (STL) to Gatwick (LGW)

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from St. Louis to Gatwick

Round-trip from

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Find flight deals from St. Louis to Gatwick

Cheapest flights from St. Louis to GatwickExplore the most affordable flight options available from St. Louis to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from St. Louis to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from St. Louis to Gatwick

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

Reviews of airlines servicing Gatwick

See what other customers who have flown with American Airlines from St. Louis to London Gatwick Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis 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 St. Louis to London Gatwick?

How long is the flight from St. Louis to London Gatwick Airport?

What is the cheapest airline to fly from St. Louis to London Gatwick Airport round-trip?

Can I find deals for flights from St. Louis to Gatwick that include hotel bookings?

How can I find direct flights from St. Louis to Gatwick?

Can I find deals for business class flights from St. Louis to Gatwick?

What is the cheapest month to book a flight from St. Louis to London Gatwick Airport?

Traveling to a place near London Gatwick Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from St. Louis to Gatwick

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Cheapest flights from St. Louis to Gatwick
Explore the most affordable flight options available from St. Louis to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.