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St Louis To London Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

calender

Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

November
December
January
February
March
April
August
September
October

November is by far the best month, wherein you can get cheapest flights for St Louis to London. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

disclDisclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From St Louis To London

Cheapest
United Airlines
United Airlines

STL

06:30

St Louis

St Louis Lambert International Airport

Wed , 05 Nov 2025

17h 25m
ellipse
1 Stop

LHR

05:55

London

London Heathrow Airport

Thu, 06 Nov 2025

£372
Air Canada
Air Canada

STL

16:05

St Louis

St Louis Lambert International Airport

Wed , 05 Nov 2025

13h 15m
ellipse
1 Stop

LHR

11:20

London

London Heathrow Airport

Thu, 06 Nov 2025

£377
Delta Airlines
Delta Airlines

STL

12:14

St Louis

St Louis Lambert International Airport

Wed , 05 Nov 2025

12h 51m
ellipse
1 Stop

LHR

07:05

London

London Heathrow Airport

Thu, 06 Nov 2025

£385
Delta Airlines
Delta Airlines

STL

13:30

St Louis

St Louis Lambert International Airport

Wed , 05 Nov 2025

10h 55m
ellipse
1 Stop

LHR

06:25

London

London Heathrow Airport

Thu, 06 Nov 2025

£385
Virgin Atlantic Airways
Virgin Atlantic Airways

STL

13:30

St Louis

St Louis Lambert International Airport

Wed , 05 Nov 2025

10h 55m
ellipse
1 Stop

LHR

06:25

London

London Heathrow Airport

Thu, 06 Nov 2025

£385
Air Canada
Air Canada

STL

16:05

St Louis

St Louis Lambert International Airport

Thu , 06 Nov 2025

13h 15m
ellipse
1 Stop

LHR

11:20

London

London Heathrow Airport

Fri, 07 Nov 2025

£398
United Airlines
United Airlines

STL

15:14

St Louis

St Louis Lambert International Airport

Wed , 05 Nov 2025

10h 41m
ellipse
1 Stop

LHR

07:55

London

London Heathrow Airport

Thu, 06 Nov 2025

£546
United Airlines
United Airlines

STL

16:05

St Louis

St Louis Lambert International Airport

Wed , 05 Nov 2025

10h 25m
ellipse
1 Stop

LHR

08:30

London

London Heathrow Airport

Thu, 06 Nov 2025

£550
Air Canada
Air Canada

STL

16:05

St Louis

St Louis Lambert International Airport

Wed , 05 Nov 2025

10h 25m
ellipse
1 Stop

LHR

08:30

London

London Heathrow Airport

Thu, 06 Nov 2025

£551
KLM Royal Dutch Airlines
KLM Royal Dutch Airlines

STL

10:45

St Louis

St Louis Lambert International Airport

Wed , 05 Nov 2025

16h 00m
ellipse
1 Stop

LHR

08:45

London

London Heathrow Airport

Thu, 06 Nov 2025

£551
Lufthansa
Lufthansa

STL

15:50

St Louis

St Louis Lambert International Airport

Wed , 05 Nov 2025

11h 55m
ellipse
1 Stop

LHR

09:45

London

London Heathrow Airport

Thu, 06 Nov 2025

£552
ellipse

Early Morning Flight St Louis to London

wallet
Cheapest Flight
Found
£372
group
Average Flight
Time
17h 25m
calendra
Date/Time
05 Nov 2025
06:30 AM
plane
Airlines
United Airlines
Ellipse

Late Night Flight St Louis to London

wallet
Cheapest Flight
Found
£550
group
Average Flight
Time
10h 25m
calendar
Date/Time
05 Nov 2025
16:05 PM
plane
Airlines
United Airlines

Flights from St Louis to London with Easemytrip

Flying from St Louis to London has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.

The air route between St Louis to London is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between St Louis Lambert International Airport (STL) and London Heathrow Airport (LHR). You can expect a flight distance of approximately 6741 km, and most direct services cover it in around 18:32.

Let’s take a closer look at everything you need to know before booking your flight from St Louis to London.

Travel Overview: St Louis to London

Flight Details Information
Route Distance 6741 km
Average Flight Time 18:32 hrs
Departure Airport St Louis Lambert International Airport (STL)
Arrival Airport London Heathrow Airport (LHR)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines United Airlines, Air Canada, Delta Airlines, Virgin Atlantic Airways

The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.

Read more

FAQs about flights from St Louis to London

Are there direct flights from St Louis to London?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?