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Cheap flights from London Gatwick Airport to St. Louis from £328

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — STL
19 Jul — 26 Jul1
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 19 June 2026.

Tue 1/914:00
LGW
-
STL
1 stop16h 14m
Multiple Airlines
Sat 31/1006:00
STL
-
LGW
2 stops23h 55m
Multiple Airlines
Deal found 17/6£751
Tue 25/811:30
LGW
-
STL
2 stops37h 57m
Iberia
Tue 8/913:25
STL
-
LGW
2 stops24h 35m
Iberia
Deal found 17/6£760
Wed 24/614:00
LGW
-
STL
1 stop15h 49m
Multiple Airlines
Sat 4/717:06
STL
-
LGW
2 stops34h 54m
Multiple Airlines
Deal found 19/6£770
Fri 28/808:55
LGW
-
STL
2 stops17h 27m
Multiple Airlines
Mon 7/914:40
STL
-
LGW
2 stops16h 00m
Multiple Airlines
Deal found 18/6£785
Wed 24/614:00
LGW
-
STL
1 stop15h 49m
Multiple Airlines
Tue 30/618:31
STL
-
LGW
2 stops33h 29m
Multiple Airlines
Deal found 16/6£785
Wed 24/614:00
LGW
-
STL
1 stop15h 49m
Multiple Airlines
Fri 3/719:38
STL
-
LGW
2 stops32h 22m
Multiple Airlines
Deal found 16/6£791
Wed 24/614:00
LGW
-
STL
1 stop15h 49m
Multiple Airlines
Thu 2/719:38
STL
-
LGW
2 stops32h 22m
Multiple Airlines
Deal found 16/6£791
Sun 21/614:00
LGW
-
STL
1 stop15h 49m
Multiple Airlines
Sun 5/716:09
STL
-
LGW
1 stop35h 51m
Multiple Airlines
Deal found 16/6£795
Sun 12/714:00
LGW
-
STL
1 stop15h 59m
Multiple Airlines
Fri 17/716:57
STL
-
LGW
2 stops35h 03m
Multiple Airlines
Deal found 17/6£804
Tue 23/614:00
LGW
-
STL
1 stop15h 49m
Multiple Airlines
Fri 3/716:17
STL
-
LGW
1 stop35h 43m
Multiple Airlines
Deal found 16/6£805
Tue 7/720:40
LGW
-
STL
2 stops28h 46m
Iberia
Tue 14/709:39
STL
-
LGW
2 stops28h 21m
Iberia
Deal found 18/6£808

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 19 June 2026.

Round-trip from

£751

One-way from

£328

Popular in

July

Cheapest in

February

Average price

£850
1/9-31/10
  • 1/9-31/10
  • 3 total stops
  • 40h 09m total
  • London to St. Louis
Search Deals
4/9
  • 4/9
  • 2 total stops
  • 30h 48m total
  • London to St. Louis
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£95 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 19 June 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

Mon 9/11

19:40-23:56

2 stops34h 16m

Lambert-St Louis

Fri 13/11

13:20-10:50

2 stops39h 30m

£810

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Fri 28/8

12:40-20:22

1 stop13h 42m

Lambert-St Louis

Mon 7/9

08:55-10:45

1 stop19h 50m

£840

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 29/6

11:35-14:23

3 stops32h 48m

Lambert-St Louis

Thu 2/7

08:55-10:45

1 stop19h 50m

£902

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 29/6

14:00-23:49

1 stop15h 49m

Lambert-St Louis

Fri 3/7

19:38-10:00

2 stops32h 22m

£951

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 5/8

09:40-20:22

1 stop16h 42m

Lambert-St Louis

Wed 19/8

08:55-10:45

1 stop19h 50m

£1,013

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 2/7

09:40-20:07

1 stop16h 27m

Lambert-St Louis

Wed 8/7

08:55-07:55

1 stop17h 00m

£1,036

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 16/9

10:50-21:36

2 stops40h 46m

Lambert-St Louis

Wed 23/9

08:00-16:40

2 stops26h 40m

£1,076

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 10/9

11:35-20:00

2 stops14h 25m

Lambert-St Louis

Tue 15/9

17:30-10:45

3 stops35h 15m

£1,092

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 26/8

17:35-22:00

2 stops34h 25m

Lambert-St Louis

Thu 17/9

08:00-22:25

2 stops32h 25m

£1,178
Fastest return journey

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 2/7

10:25-22:18

2 stops17h 53m

Lambert-St Louis

Wed 8/7

13:54-09:25

2 stops13h 31m

£1,196

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 £414.

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?

    Iberia can get you from London Gatwick Airport to St. Louis in just under 34h 16m. Your travel time can differ by up to . London Gatwick Airport and St. Louis are separated by a distance of 4207 mi.

  • 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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