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

Currently, April is the cheapest month in which you can book a flight from St. Louis to London Gatwick Airport (average of £102). Flying from St. Louis to London Gatwick Airport in July is currently the most expensive (average of £142). 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.

In terms of precipitation, rainfall in London Gatwick Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Gatwick Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

When flying from St. Louis to London Gatwick Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£169+ Cheap Flights from St. Louis to London Gatwick Airport

Cheap flight deals from St. Louis to Gatwick

Round-trip from	£459
One-way from	£169
Popular in	December
Cheapest in	May
Average price	£562

14/12-10/1
2 total stops
32h 48m total
St. Louis to London

Search Deals

4/10
2 total stops
32h 15m total
St. Louis to London

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£72 potential increase over avg. return price).

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Cheapest flight prices on average. 8% potential price decrease (£43 potential savings vs. average return 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 18 September 2025.

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Sat 10/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£459

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Sun 11/114:10LGW - STL

1 stop23h 40mMultiple Airlines

Deal found 17/9£471

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Mon 12/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£475

Mon 15/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Sat 10/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£484

Mon 10/1114:12STL - LGW

2 stops33h 48mMultiple Airlines

Mon 24/1114:00LGW - STL

1 stop15h 57mMultiple Airlines

Deal found 16/9£485

Mon 15/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Sun 11/114:10LGW - STL

1 stop23h 40mMultiple Airlines

Deal found 17/9£495

Mon 15/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Mon 12/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£498

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Fri 9/114:00LGW - STL

2 stops29h 53mMultiple Airlines

Deal found 17/9£500

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Thu 8/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£506

Best flights from St. Louis to Gatwick
Discover carefully curated flight deals from St. Louis to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Sun 11/114:10LGW - STL

1 stop23h 40mMultiple Airlines

Deal found 17/9£471

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Mon 12/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£475

Mon 15/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Sun 11/114:10LGW - STL

1 stop23h 40mMultiple Airlines

Deal found 17/9£495

Mon 15/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Mon 12/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£498

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Fri 9/114:00LGW - STL

2 stops29h 53mMultiple Airlines

Deal found 17/9£500

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Thu 8/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£506

Mon 15/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Thu 8/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£530

Sun 28/913:52STL - LGW

1 stop14h 18mMultiple Airlines

Tue 14/1014:00LGW - STL

2 stops50h 37mMultiple Airlines

Deal found 18/9£534

Wed 10/1217:11STL - LGW

1 stop34h 49mMultiple Airlines

Sun 14/1214:10LGW - STL

1 stop24h 35mMultiple Airlines

Deal found 16/9£535

Sun 9/1114:12STL - LGW

2 stops57h 48mMultiple Airlines

Mon 24/1114:00LGW - STL

1 stop15h 57mMultiple Airlines

Deal found 16/9£539

Last-minute flights from St. Louis to Gatwick
Discover last-minute flight deals from St. Louis to Gatwick. Data last updated 18 September 2025 and is based on user searches.

Wed 24/908:17STL - LGW

2 stops17h 53mMultiple Airlines

Wed 1/1015:05LGW - STL

2 stops26h 52mMultiple Airlines

Deal found 16/9£911

Thu 25/915:23STL - LGW

2 stops24h 57mTurkish Airlines

Mon 29/914:00LGW - STL

2 stops30h 27mTurkish Airlines

Deal found 16/9£1,215

Fri 26/916:05STL - LGW

2 stops21h 30mMultiple Airlines

Fri 3/1008:00LGW - STL

2 stops17h 57mMultiple Airlines

Deal found 17/9£979

Sun 28/913:52STL - LGW

1 stop14h 18mMultiple Airlines

Tue 14/1014:00LGW - STL

2 stops25h 07mMultiple Airlines

Deal found 16/9£532

Sun 28/915:23STL - LGW

2 stops36h 32mTurkish Airlines

Tue 14/1017:15LGW - STL

2 stops27h 12mTurkish Airlines

Deal found 17/9£1,253

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 18 September 2025.

Sat 4/1019:55STL - LGW

2 stops32h 15mMultiple Airlines

Deal found 17/9£169

Mon 8/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Deal found 16/9£185

Mon 29/921:29STL - LGW

2 stops54h 31mMultiple Airlines

Deal found 17/9£199

Tue 9/1216:05STL - LGW

3 stops22h 55mMultiple Airlines

Deal found 16/9£336

Mon 5/117:45STL - LGW

2 stops30h 15mMultiple Airlines

Deal found 17/9£341

Tue 23/913:30STL - LGW

3 stops24h 35mMultiple Airlines

Deal found 16/9£364

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

Sun 14/12

09:45-10:00

1 stop18h 15m

London Gatwick

Sun 11/1

14:10-07:50

1 stop23h 40m

£471

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 14/12

09:45-10:00

1 stop18h 15m

London Gatwick

Mon 12/1

14:00-22:33

1 stop14h 33m

£475

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 15/12

09:45-10:00

1 stop18h 15m

London Gatwick

Sun 11/1

14:10-07:50

1 stop23h 40m

£495

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 15/12

09:45-10:00

1 stop18h 15m

London Gatwick

Mon 12/1

14:00-22:33

1 stop14h 33m

£498

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 14/12

09:45-10:00

1 stop18h 15m

London Gatwick

Fri 9/1

14:00-13:53

2 stops29h 53m

£500

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 14/12

09:45-10:00

1 stop18h 15m

London Gatwick

Thu 8/1

14:00-22:33

1 stop14h 33m

£506

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 15/12

09:45-10:00

1 stop18h 15m

London Gatwick

Thu 8/1

14:00-22:33

1 stop14h 33m

£530

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 28/9

13:52-10:10

1 stop14h 18m

London Gatwick

Tue 14/10

14:00-10:37

2 stops50h 37m

£534

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 10/12

17:11-10:00

1 stop34h 49m

London Gatwick

Sun 14/12

14:10-08:45

1 stop24h 35m

£535

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 9/11

14:12-06:00

2 stops57h 48m

London Gatwick

Mon 24/11

14:00-23:57

1 stop15h 57m

£539

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 16 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 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

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.
What is the cheapest month to book a flight from St. Louis to London Gatwick Airport?
Currently, April is the cheapest month in which you can book a flight from St. Louis to London Gatwick Airport (average of £102). Flying from St. Louis to London Gatwick Airport in July is currently the most expensive (average of £142). 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

Milton Keynes

Croydon

Hounslow

Slough

Gatwick

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Winchester

Chichester

Ipswich

Dartford

Guildford

Brentford

Bishop's Stortford

Romford

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

Cheapflights helps you find that perfect flight to Gatwick from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Gatwick from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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Cheap flights from St. Louis to London Gatwick Airport from £169

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

Cheap flight deals from St. Louis to Gatwick

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 18 September 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 18 September 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.

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?

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?

Travelling to a place near London Gatwick Airport?

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Alternative routes for St. Louis to Gatwick

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

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

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

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

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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 18 September 2025.