₹119,031 Cheap Flights from London (LHR) to St. Louis (STL)

View ₹119,031 flight on Thu, 25 Dec 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Lambert-St. Louis International Airport (STL)

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Cheap Flights from London (LHR) to St. Louis (STL)

Prices were available within the past 7 days and start at ₹119,031 for one-way flights and ₹212,148 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Mon, 25 Aug - Fri, 29 Aug
LHR
London
STL
St. Louis
₹212,148 Return, found 6 days ago
₹212,148
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Mon, 25 Aug from London to St. Louis, returning Fri, 29 Aug, priced at ₹212,148 found 6 days ago
United
Mon, 25 Aug - Fri, 29 Aug
LHR
London
STL
St. Louis
₹213,470 Return, found 6 days ago
₹213,470
Return
found 6 days ago
Select United flight, departing Mon, 25 Aug from London to St. Louis, returning Fri, 29 Aug, priced at ₹213,470 found 6 days ago
Lufthansa
Mon, 25 Aug - Fri, 29 Aug
LHR
London
STL
St. Louis
₹214,327 Return, found 6 days ago
₹214,327
Return
found 6 days ago
Select Lufthansa flight, departing Mon, 25 Aug from London to St. Louis, returning Fri, 29 Aug, priced at ₹214,327 found 6 days ago
Swiss International Air Lines
Mon, 25 Aug - Fri, 29 Aug
LHR
London
STL
St. Louis
₹214,339 Return, found 6 days ago
₹214,339
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Mon, 25 Aug from London to St. Louis, returning Fri, 29 Aug, priced at ₹214,339 found 6 days ago
Lufthansa
Mon, 25 Aug - Fri, 29 Aug
LHR
London
STL
St. Louis
₹215,661 Return, found 6 days ago
₹215,661
Return
found 6 days ago
Select Lufthansa flight, departing Mon, 25 Aug from London to St. Louis, returning Fri, 29 Aug, priced at ₹215,661 found 6 days ago
Lufthansa
Mon, 25 Aug - Fri, 29 Aug
LHR
London
STL
St. Louis
₹216,518 Return, found 6 days ago
₹216,518
Return
found 6 days ago
Select Lufthansa flight, departing Mon, 25 Aug from London to St. Louis, returning Fri, 29 Aug, priced at ₹216,518 found 6 days ago
United
Mon, 25 Aug - Fri, 29 Aug
LHR
London
STL
St. Louis
₹219,157 Return, found 6 days ago
₹219,157
Return
found 6 days ago
Select United flight, departing Mon, 25 Aug from London to St. Louis, returning Fri, 29 Aug, priced at ₹219,157 found 6 days ago
Swiss International Air Lines
Mon, 25 Aug - Fri, 29 Aug
LHR
London
STL
St. Louis
₹220,026 Return, found 6 days ago
₹220,026
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Mon, 25 Aug from London to St. Louis, returning Fri, 29 Aug, priced at ₹220,026 found 6 days ago
Air France
Mon, 25 Aug - Fri, 29 Aug
LHR
London
STL
St. Louis
₹263,797 Return, found 6 days ago
₹263,797
Return
found 6 days ago
Select Air France flight, departing Mon, 25 Aug from London to St. Louis, returning Fri, 29 Aug, priced at ₹263,797 found 6 days ago
Iberia
Mon, 25 Aug - Fri, 29 Aug
LHR
London
STL
St. Louis
₹264,030 Return, found 6 days ago
₹264,030
Return
found 6 days ago
Select Iberia flight, departing Mon, 25 Aug from London to St. Louis, returning Fri, 29 Aug, priced at ₹264,030 found 6 days ago

Find the cheapest month to fly from London (LHR) to St. Louis (STL)

January is typically the cheapest month to fly

From ₹60,734 - ₹164,859 per traveller.

Graph displaying average flight prices per month

Flight from London to St. Louis route information
Origin airport
Heathrow
Destination airport
Lambert-St. Louis Intl.
Return price
₹212,148
Distance
6703 km

London to St. Louis Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from London to St. Louis will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring St. Louis.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with LHR to STL flights that won’t make your bank account wince. Ready to temporarily leave behind London for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to STL with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Heathrow Airport (LHR) to Lambert Field?
The lowest price advertised for a round-trip flight from London Heathrow to Lambert-St. Louis Intl. Airport (STL) is ₹212,148. But you better move fast. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport (LHR) to Lambert-St. Louis Intl. Airport (STL)?
This differs between airlines, as each has its own terms and conditions. Head to the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Heathrow Airport to St. Louis Lambert International Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LHR to STL flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LHR to Lambert-St. Louis Intl. Airport (STL)?
The distance is around 6,800 kilometres. Travel pillow? Check. Toiletries? Check. We suggest you pack all the essentials for this long-haul Hounslow to St. Louis flight.
Which airlines fly direct from LHR to Lambert-St. Louis Intl. Airport (STL)?
Flying directly between Heathrow Airport (LHR) and Lambert Field isn't possible at this time. However, you'll still be able to book a flight to St. Louis with at least one stop.
Are Heathrow Airport (LHR) to Lambert-St. Louis Intl. Airport (STL) flight tickets cheaper when they're purchased at the last minute?
It is possible to find a fantastic last-minute deal from London Heathrow to Lambert Field, but it's also possible to miss out altogether! As many airlines advertise prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you spot a good bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can rest easy knowing you're always getting the latest offers.

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