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Cheap flights from London Gatwick Airport to St. Louis from £291

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — STL
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gatwick to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Gatwick to St. Louis
Explore the most affordable flight options available from Gatwick to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2026.

Sat 12/914:00
LGW
-
STL
1 stop32h 34m
Multiple Airlines
Sat 19/920:10
STL
-
LGW
2 stops31h 50m
Multiple Airlines
Deal found 29/7£612
Wed 16/910:25
LGW
-
STL
2 stops15h 33m
Virgin Atlantic
Wed 23/913:55
STL
-
LGW
2 stops20h 05m
Virgin Atlantic
Deal found 29/7£629
Tue 15/910:35
LGW
-
STL
2 stops18h 41m
Virgin Atlantic
Tue 29/912:00
STL
-
LGW
2 stops15h 25m
Virgin Atlantic
Deal found 26/7£630
Sun 30/814:00
LGW
-
STL
1 stop31h 28m
Multiple Airlines
Thu 3/917:02
STL
-
LGW
1 stop34h 58m
Multiple Airlines
Deal found 28/7£634
Wed 2/910:25
LGW
-
STL
2 stops18h 56m
Virgin Atlantic
Wed 23/913:55
STL
-
LGW
2 stops20h 05m
Virgin Atlantic
Deal found 30/7£640
Wed 7/1010:25
LGW
-
STL
2 stops19h 29m
Virgin Atlantic
Wed 14/1012:00
STL
-
LGW
2 stops15h 25m
Virgin Atlantic
Deal found 31/7£644
Tue 15/920:40
LGW
-
STL
2 stops30h 04m
Iberia
Tue 29/917:18
STL
-
LGW
2 stops20h 42m
Iberia
Deal found 29/7£647
Mon 14/910:45
LGW
-
STL
2 stops17h 57m
American Airlines
Mon 21/908:43
STL
-
LGW
2 stops19h 27m
American Airlines
Deal found 30/7£651
Fri 11/914:00
LGW
-
STL
2 stops35h 17m
Multiple Airlines
Fri 18/917:19
STL
-
LGW
1 stop34h 41m
Multiple Airlines
Deal found 28/7£653
Wed 26/814:00
LGW
-
STL
2 stops33h 22m
Multiple Airlines
Fri 20/1113:31
STL
-
LGW
1 stop12h 44m
Multiple Airlines
Deal found 27/7£661
Thu 27/814:00
LGW
-
STL
1 stop31h 28m
Multiple Airlines
Thu 3/917:02
STL
-
LGW
1 stop34h 58m
Multiple Airlines
Deal found 30/7£669

Find flight deals from Gatwick to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to St. Louis (STL). 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 1 August 2026.

Round-trip from

£612

One-way from

£291

Popular in

August

Cheapest in

February

Average price

£878
12/9-19/9
  • 12/9-19/9
  • 3 total stops
  • 64h 24m total
  • London to St. Louis
Search Deals
13/9
  • 13/9
  • 2 total stops
  • 29h 10m total
  • London to St. Louis
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick to St. Louis 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 1 August 2026.
Use the filters below to find and compare flights from London Gatwick Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Tue 15/9

10:35-23:16

2 stops18h 41m

Lambert-St Louis

Tue 29/9

12:00-09:25

2 stops15h 25m

£630

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sun 30/8

14:00-15:28

1 stop31h 28m

Lambert-St Louis

Thu 3/9

17:02-10:00

1 stop34h 58m

£634

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 27/8

14:00-15:28

1 stop31h 28m

Lambert-St Louis

Thu 3/9

17:02-10:00

1 stop34h 58m

£669

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 7/9

20:40-19:27

2 stops28h 47m

Lambert-St Louis

Wed 7/10

17:27-10:50

2 stops35h 23m

£678

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 2/9

15:40-23:15

2 stops37h 35m

Lambert-St Louis

Wed 23/9

16:45-14:40

2 stops15h 55m

£781

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 2/9

15:40-23:15

2 stops37h 35m

Lambert-St Louis

Wed 30/9

16:45-14:40

2 stops15h 55m

£782
Fastest return journey

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Fri 4/9

12:40-20:22

1 stop13h 42m

Lambert-St Louis

Sun 20/9

08:55-09:50

2 stops18h 55m

£844

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Fri 13/11

17:00-09:30

2 stops22h 30m

Lambert-St Louis

Tue 24/11

19:31-06:00

1 stop28h 29m

£857

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 28/10

11:55-22:25

2 stops15h 30m

Lambert-St Louis

Tue 3/11

11:00-10:55

3 stops17h 55m

£867

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 10/9

15:40-22:10

3 stops36h 30m

Lambert-St Louis

Thu 17/9

16:15-14:40

2 stops16h 25m

£872

Flights are sorted by cheapest return flights first.

Deals found on 26/7

Showing 1-10 of 18 resultsSorted by cheapest first
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Best time to book a flight from Gatwick to St. Louis

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

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to St. Louis

What’s the top stopover airport for flights from London Gatwick Airport to St. Louis?

Share of one-stop return flights from London Gatwick Airport to St. Louis chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Chicago (ORD) – chosen by Cheapflights users on 50% of one-stop itineraries from London Gatwick Airport to St. Louis on Cheapflights.

What’s the cheapest stopover airport for flights from London Gatwick Airport to St. Louis?

Average return fare for one-stop flights from London Gatwick Airport to St. Louis, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £408.

What’s the fastest stopover option from London Gatwick Airport to St. Louis?

Shortest average travel time for one-stop one-way flights from London Gatwick Airport to St. Louis, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 11h 25m.

Which airport typically offers the quickest stopover for flights from London Gatwick Airport to St. Louis?

Average stopover duration for one-stop one-way flights from London Gatwick Airport to St. Louis, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average stopover time of 1h 03m.

Related info for your journey

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

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

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

    Virgin Atlantic and Iberia can get you from London Gatwick Airport to St. Louis in just under 18h 41m. Your travel time can differ by up to 10h 06m. London Gatwick Airport and St. Louis are separated by a distance of 4207 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Gatwick to St. Louis 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

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How does Cheapflights help users find flights from Gatwick to St. Louis?

Cheapflights helps you search for flights from Gatwick to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to St. Louis?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Gatwick to St. Louis.

Can Cheapflights find flights from Gatwick to St. Louis with no change fees?

Yes! Cheapflights helps users easily find flights from Gatwick to St. Louis with no change fees.

Can Cheapflights notify me if prices for flights from Gatwick to St. Louis become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to St. Louis from Gatwick today and book when prices fit your budget.

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