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Cheap flights from St. Louis to London Gatwick Airport from £158

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LGW
6 Mar — 13 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. Louis to Gatwick

Enter your travel dates to find the best prices.

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 4 February 2026.

Tue 21/416:05
STL
-
LGW
2 stops13h 00m
Multiple Airlines
Tue 28/409:40
LGW
-
STL
3 stops33h 45m
Multiple Airlines
Deal found 2/2£468
Mon 23/218:55
STL
-
LGW
3 stops19h 20m
Multiple Airlines
Wed 4/306:40
LGW
-
STL
3 stops22h 19m
Multiple Airlines
Deal found 2/2£495
Sat 2/516:55
STL
-
LGW
1 stop35h 05m
Multiple Airlines
Sat 9/514:00
LGW
-
STL
2 stops26h 30m
Multiple Airlines
Deal found 2/2£507
Mon 27/416:05
STL
-
LGW
3 stops24h 45m
Multiple Airlines
Mon 4/506:50
LGW
-
STL
2 stops19h 15m
Multiple Airlines
Deal found 4/2£514
Sat 2/516:55
STL
-
LGW
1 stop35h 05m
Multiple Airlines
Fri 8/514:00
LGW
-
STL
2 stops22h 50m
Multiple Airlines
Deal found 2/2£519
Sat 2/516:55
STL
-
LGW
1 stop35h 05m
Multiple Airlines
Sun 10/514:00
LGW
-
STL
2 stops30h 12m
Multiple Airlines
Deal found 2/2£530
Tue 31/311:27
STL
-
LGW
2 stops40h 33m
Multiple Airlines
Wed 22/414:00
LGW
-
STL
1 stop15h 19m
Multiple Airlines
Deal found 4/2£551
Wed 1/416:54
STL
-
LGW
1 stop35h 06m
Multiple Airlines
Wed 8/414:00
LGW
-
STL
2 stops26h 30m
Multiple Airlines
Deal found 2/2£555
Sun 12/411:06
STL
-
LGW
2 stops17h 34m
American Airlines
Mon 27/414:00
LGW
-
STL
2 stops25h 44m
American Airlines
Deal found 3/2£556
Fri 1/520:13
STL
-
LGW
2 stops28h 07m
Multiple Airlines
Wed 6/514:00
LGW
-
STL
1 stop15h 19m
Multiple Airlines
Deal found 2/2£557

Find flight deals from St. Louis to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 4 February 2026.

Round-trip from

£468

One-way from

£158

Popular in

June

Cheapest in

February

Average price

£500
21/4-28/4
  • 21/4-28/4
  • 5 total stops
  • 46h 45m total
  • St. Louis to London
Search Deals
20/3
  • 20/3
  • 2 total stops
  • 40h 49m total
  • St. Louis to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from St. Louis 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 858,174 searches. Data last updated 4 February 2026.
Use the filters below to find and compare flights from St. Louis to London Gatwick Airport that are best for you.

Fly from

St. Louis

Fly to

Gatwick

Route

Depart

Return

Price

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 2/5

20:13-10:00

2 stops31h 47m

London Gatwick

Wed 6/5

14:00-23:19

1 stop15h 19m

£495

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 2/5

16:55-10:00

1 stop35h 05m

London Gatwick

Sat 9/5

14:00-10:30

2 stops26h 30m

£507

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 27/4

16:05-22:50

3 stops24h 45m

London Gatwick

Mon 4/5

06:50-20:05

2 stops19h 15m

£514

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 2/5

16:55-10:00

1 stop35h 05m

London Gatwick

Fri 8/5

14:00-23:19

1 stop15h 19m

£569

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 4/5

16:55-10:00

1 stop35h 05m

London Gatwick

Fri 8/5

14:00-23:19

1 stop15h 19m

£582

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 3/5

15:30-21:15

2 stops23h 45m

London Gatwick

Sun 10/5

14:00-23:19

1 stop15h 19m

£626

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 2/5

16:55-10:00

1 stop35h 05m

London Gatwick

Mon 11/5

14:00-23:19

1 stop15h 19m

£636

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 3/5

15:30-21:15

2 stops23h 45m

London Gatwick

Sat 9/5

14:00-23:19

1 stop15h 19m

£701

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 3/5

15:30-21:15

2 stops23h 45m

London Gatwick

Mon 11/5

14:00-23:19

1 stop15h 19m

£714

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 3/4

08:23-10:00

1 stop19h 37m

London Gatwick

Fri 24/4

14:00-23:19

1 stop15h 19m

£730

Flights are sorted by cheapest return flights first.

Deals found on 2/2

Showing 1-10 of 21 results
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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 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.

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?

    For a flight from St. Louis to London Gatwick, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to London Gatwick per day. 0 airlines have flights to London Gatwick from Lambert-St Louis on a regular basis.

  • 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 holiday 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.

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
Milton Keynes
Croydon
Luton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Romford
Ipswich

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

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

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

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