How do I get Price Alerts for flights from St. Louis to London Gatwick Airport?

Price Alerts will notify you by email when the price for flights to London Gatwick Airport from St. Louis decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from St. Louis to London Gatwick Airport with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Lambert-St Louis Airport to London Gatwick Airport?

Prices for flights from Lambert-St Louis Airport to London Gatwick Airport were last updated today.

How many operators does momondo search for flights from Lambert-St Louis Airport to London Gatwick Airport?

As of February 2026, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to London Gatwick Airport.

How old do you have to be to fly from Lambert-St Louis Airport to London Gatwick Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to London Gatwick Airport.

What documentation or ID do you need to fly to London Gatwick Airport?

The necessary travel and health documents for your London Gatwick Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$237 Cheap Flights from St. Louis to London Gatwick Airport in 2026

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Find the cheapest flights from St. Louis to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:22 am - 9:00 am

STL

LGW

16h 38m

2 stops

2:30 pm - 8:30 am

LGW

STL

24h 00m

2 stops

$652American Airlines

Mon, Mar 23 - Tue, Apr 7

5:59 pm - 3:45 pm

STL

LGW

15h 46m

2 stops

10:35 am - 9:06 pm

LGW

STL

16h 31m

2 stops

$669Delta

Mon, Mar 30 - Tue, Apr 7

1:02 pm - 9:40 am

STL

LGW

14h 38m

2 stops

10:35 am - 9:19 pm

LGW

STL

16h 44m

2 stops

$670Delta

Mon, Apr 13 - Tue, Apr 28

4:05 pm - 9:05 pm

STL

LGW

24h 00m

3 stops

9:40 pm - 3:29 pm

LGW

STL

22h 49m

2 stops

$675Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

4:05 pm - 9:05 pm

STL

LGW

24h 00m

3 stops

9:40 pm - 3:29 pm

LGW

STL

22h 49m

2 stops

$677Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

4:05 pm - 9:05 pm

STL

LGW

24h 00m

3 stops

9:40 pm - 3:29 pm

LGW

STL

22h 49m

2 stops

$681Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

4:05 pm - 9:05 pm

STL

LGW

24h 00m

3 stops

9:40 pm - 3:29 pm

LGW

STL

22h 49m

2 stops

$682Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

7:47 am - 10:00 am

STL

LGW

20h 13m

1 stop

2:00 pm - 7:22 am

LGW

STL

22h 22m

1 stop

$693Multiple Airlines

Fri, Mar 6 - Thu, Mar 12

8:17 pm - 10:00 am

STL

LGW

31h 43m

2 stops

2:00 pm - 11:19 pm

LGW

STL

14h 19m

1 stop

$703Multiple Airlines

Wed, Mar 4 - Mon, Mar 9

7:47 am - 10:00 am

STL

LGW

20h 13m

1 stop

2:00 pm - 1:34 pm

LGW

STL

28h 34m

2 stops

$716Multiple Airlines

Fri, Mar 6 - Thu, Mar 12

American Airlines flights from St. Louis to London Gatwick Airport

Our best American Airlines deals on St. Louis to London Gatwick Airport flight tickets

American Airlines

Mar 23

STL11:22 amLambert-St Louis

16h 38m

2 stops

LGW9:00 amLondon Gatwick

Apr 7

LGW2:30 pmLondon Gatwick

24h 00m

2 stops

STL8:30 amLambert-St Louis

$652

American Airlines

Mar 5

STL11:22 amLambert-St Louis

15h 38m

2 stops

LGW9:00 amLondon Gatwick

Mar 15

LGW12:30 pmLondon Gatwick

27h 02m

2 stops

STL10:32 amLambert-St Louis

$740

Turkish Airlines flights from St. Louis to London Gatwick Airport

Our best Turkish Airlines deals on St. Louis to London Gatwick Airport flight tickets

Turkish Airlines

Feb 21

STL7:41 amLambert-St Louis

43h 44m

2 stops

LGW9:25 amLondon Gatwick

Feb 27

LGW10:15 amLondon Gatwick

40h 50m

2 stops

STL9:05 pmLambert-St Louis

$1,092

Turkish Airlines

Feb 27

STL7:41 amLambert-St Louis

32h 54m

2 stops

LGW10:35 pmLondon Gatwick

Mar 4

LGW5:05 pmLondon Gatwick

34h 37m

2 stops

STL9:42 pmLambert-St Louis

$1,102

Turkish Airlines

Feb 21

STL7:41 amLambert-St Louis

50h 29m

2 stops

LGW4:10 pmLondon Gatwick

Feb 27

LGW5:05 pmLondon Gatwick

34h 00m

2 stops

STL9:05 pmLambert-St Louis

$1,103

momondo 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

Mon 3/23

11:22 am-9:00 am

2 stops16h 38m

London Gatwick

Tue 4/7

2:30 pm-8:30 am

2 stops24h 00m

$652

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 3/30

5:59 pm-3:45 pm

2 stops15h 46m

London Gatwick

Tue 4/7

10:35 am-9:06 pm

2 stops16h 31m

$669

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 4/13

1:02 pm-9:40 am

2 stops14h 38m

London Gatwick

Tue 4/28

10:35 am-9:19 pm

2 stops16h 44m

$670

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 3/10

4:05 pm-9:05 pm

3 stops24h 00m

London Gatwick

Tue 3/17

9:40 pm-3:29 pm

2 stops22h 49m

$675

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 3/10

4:05 pm-9:05 pm

3 stops24h 00m

London Gatwick

Tue 3/17

9:40 pm-3:29 pm

2 stops22h 49m

$677

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 3/10

4:05 pm-9:05 pm

3 stops24h 00m

London Gatwick

Tue 3/17

9:40 pm-3:29 pm

2 stops22h 49m

$681

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 3/10

4:05 pm-9:05 pm

3 stops24h 00m

London Gatwick

Tue 3/17

9:40 pm-3:29 pm

2 stops22h 49m

$682

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 3/6

7:47 am-10:00 am

1 stop20h 13m

London Gatwick

Thu 3/12

2:00 pm-7:22 am

1 stop22h 22m

$693

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 3/4

8:17 pm-10:00 am

2 stops31h 43m

London Gatwick

Mon 3/9

2:00 pm-11:19 pm

1 stop14h 19m

$703

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 3/6

7:47 am-10:00 am

1 stop20h 13m

London Gatwick

Thu 3/12

2:00 pm-1:34 pm

2 stops28h 34m

$716

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

When to book flights from St. Louis to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to London Gatwick Airport (STL to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to London Gatwick Airport

Fastest flight time	17h 35m
Direct flights	None

The fastest flight from St. Louis to London Gatwick Airport takes 17h 35m

There are no direct flights from St. Louis to London Gatwick Airport. There are no popular flight routes from St. Louis to London Gatwick Airport.

Search flight deals

How far is Lambert-St Louis to London Gatwick by plane?
There are 4206.2 mi between Lambert-St Louis and London Gatwick. By plane, this route typically takes 17h 35m.
When did momondo last update prices for flights from Lambert-St Louis Airport to London Gatwick Airport?
Prices for flights from Lambert-St Louis Airport to London Gatwick Airport were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to London Gatwick Airport?
As of February 2026, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to London Gatwick Airport.
How old do you have to be to fly from Lambert-St Louis Airport to London Gatwick Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to London Gatwick Airport.
What documentation or ID do you need to fly to London Gatwick Airport?
The necessary travel and health documents for your London Gatwick Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to London Gatwick Airport?
Based on momondo bookings for flights between St. Louis and London Gatwick Airport, the leading airline is American Airlines, making up 100% of the total bookings.

Best airlines flying from St. Louis to London Gatwick Airport

Compare and see reviews for airlines that fly from St. Louis to London Gatwick Airport with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $684	Free Cancellation	Rating 7.2 11,278 reviews		Search American Airlines flights

How do I get Price Alerts for flights from St. Louis to London Gatwick Airport?
Price Alerts will notify you by email when the price for flights to London Gatwick Airport from St. Louis decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from St. Louis to London Gatwick Airport with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Crawley

Hayes

Wembley

Dartford

Croydon

Brentwood

Guildford

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Richmond

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to London?

Finding the right flight to London from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from St. Louis to London with flexible booking policies on momondo?

Flights from St. Louis to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to London?

Once all potential St. Louis to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

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Flights to London Heathrow Airportfrom $392

Flights to London City Airportfrom $464

Flights to London Stansted Airportfrom $344

Flights to London Luton Airportfrom $367

Flights to Glasgow Intl Airportfrom $425

Flights to Belfast Intl Airportfrom $539

Flights to London Southend Airportfrom $440

Flights to Belfast City Airportfrom $540

Cheap flights from St. Louis to London from $237

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to London departing on 3/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

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Filter for what you want

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Find the cheapest flights from St. Louis to London

Cheap round-trip flights

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American Airlines flights from St. Louis to London Gatwick Airport

Our best American Airlines deals on St. Louis to London Gatwick Airport flight tickets

Turkish Airlines flights from St. Louis to London Gatwick Airport

Our best Turkish Airlines deals on St. Louis to London Gatwick Airport flight tickets

momondo Fare Finder

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

When to book flights from St. Louis to London Gatwick Airport

Cheap St. Louis to London Gatwick Airport (STL to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to London Gatwick Airport

Fastest flight time

Direct flights

Best airlines flying from St. Louis to London Gatwick Airport

Compare and see reviews for airlines that fly from St. Louis to London Gatwick Airport with momondo

Traveling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to London?

Can I find flights from St. Louis to London with flexible booking policies on momondo?

How can momondo help me find flights from St. Louis to London?

I’m not ready to book a flight from St. Louis to London right now. Can momondo alert me if prices change?

An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

St. Louis flight routes

According to popular flight searches on momondo this year

London Gatwick Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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According to popular flight searches on momondo this year