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Fly from
Route
Depart
Return
LondonSt. Louis
LGW - STL
LGWSTL
London Gatwick
Wed 24/9
14:00-10:50
2 stops26h 50m
Lambert-St Louis
Sun 28/9
13:52-10:10
1 stop14h 18m
LondonSt. Louis
LGW - STL
LGWSTL
London Gatwick
Wed 24/9
14:00-10:50
2 stops26h 50m
Lambert-St Louis
Sun 28/9
13:52-10:10
1 stop14h 18m
LondonSt. Louis
LHR - STL
LHRSTL
London Heathrow
Wed 24/9
06:30-13:30
1 stop13h 00m
Lambert-St Louis
Sun 28/9
12:25-11:45
1 stop17h 20m
LondonSt. Louis
LHR - STL
LHRSTL
London Heathrow
Fri 7/11
06:30-13:55
1 stop13h 25m
Lambert-St Louis
Fri 28/11
18:43-11:15
1 stop10h 32m
LondonSt. Louis
LHR - STL
LHRSTL
London Heathrow
Wed 3/9
20:10-15:52
2 stops25h 42m
Lambert-St Louis
Wed 24/9
07:23-07:20
1 stop17h 57m
LondonSt. Louis
LHR - STL
LHRSTL
London Heathrow
Fri 29/8
20:10-13:12
2 stops23h 02m
Lambert-St Louis
Fri 12/9
18:55-21:40
2 stops20h 45m
LondonSt. Louis
LCY - STL
LCYSTL
London City
Thu 11/9
17:05-20:15
2 stops33h 10m
Lambert-St Louis
Thu 18/9
13:03-10:40
2 stops15h 37m
LondonSt. Louis
LCY - STL
LCYSTL
London City
Mon 8/9
20:25-21:06
2 stops30h 41m
Lambert-St Louis
Fri 19/9
15:59-18:25
2 stops44h 26m
ManchesterSt. Louis
MAN - STL
MANSTL
Manchester
Wed 27/8
11:55-22:02
1 stop16h 07m
Lambert-St Louis
Wed 10/9
13:26-08:35
1 stop13h 09m
ManchesterSt. Louis
MAN - STL
MANSTL
Manchester
Wed 10/9
11:55-22:02
1 stop16h 07m
Lambert-St Louis
Wed 17/9
13:26-08:35
1 stop13h 09m
| CHEAPEST MONTH TO FLY TO ST. LOUIS FROM LONDON HEATHROW AIRPORT | February | 17% cheaper | Flying from London Heathrow Airport to St. Louis costs on average just £609 in February |
| MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM LONDON HEATHROW AIRPORT | August | 30% more expensive | It costs about £953 for flights to St. Louis from London Heathrow Airport in August |
| MOST POPULAR MONTH TO FLY TO ST. LOUIS FROM LONDON HEATHROW AIRPORT | July | 682% more users visited | More momondo users searched in flights to St. Louis from London Heathrow Airport in July than any other month |
Best One-Way Price | £314 |
|---|---|
Best Round-Trip Price | £431 |
Fastest flight time | 11h 38m |
Popular in | August |
Most flyers found that booking tickets 68 days in advance of their planned departure date is the best time to get cheap flights to St. Louis. During this timeframe, flight prices are around £733. Keep in mind that you might also find cheap flights to St. Louis outside of this time window. In fact, momondo users recently found flights from United Kingdom to St. Louis for £526.
Belleville Airport, Marion Williamson County Airport or Springfield Capital Airport can be an alternative airport used for travel to St. Louis.
Prices for flights to Lambert-St Louis Airport are refreshed on a daily basis.
As of July 2025, there are 14 operators available to choose from for flights to Lambert-St Louis Airport.
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Lambert-St Louis Airport.
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Finding the right flight to St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.
Yes. All flights to St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to St. Louis.
Yes. momondo can track flight prices for St. Louis and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.