Cheap flights from London Heathrow Airport to St. Louis from $414

Round-trip
1 adult
Economy
From?
To?
Sat 10/23
Sat 10/30

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from London Heathrow to St. Louis.
View current United States travel restrictions

Flight information for London Heathrow Airport to St. Louis
(LHR to STL)

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to St. Louis
Best Price Found$631The best flight deal from London Heathrow Airport to St. Louis found on momondo in the last 72 hours is $631
Fastest flight time13h 50mThe fastest flight from London Heathrow Airport to St. Louis takes 13h 50m
Direct flightsNoneThere are no direct flights from London Heathrow Airport to St. Louis. Popular non-direct route for this connection is London Heathrow Airport - Lambert-St Louis Airport.
Airports in St. Louis1 airportThere is 1 airport near St. Louis: Lambert-St Louis (STL)

How to get the cheapest flight ticket from London Heathrow Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from London Heathrow Airport to St. Louis?

February

The cheapest time of year to fly to St. Louis from London Heathrow Airport is February. Most expensive is August

What is the cheapest airline that flies to St. Louis from London Heathrow Airport?

American Airlines

American Airlines and British Airways are the most popular carriers operating from London Heathrow Airport to St. Louis

How far in advance should you book London Heathrow Airport to St. Louis flights?

60 days before

The cheapest time to buy a flight from London Heathrow Airport to St. Louis is approximately 60 days to departure


Easily compare round-trip flights from London Heathrow Airport to St. Louis

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London Heathrow Airport to St. Louis by changing tabs
Multiple Airlines
Nov 11
LHR3:50 amLondon Heathrow
33h 42m
3 stops
STL1:32 pmLambert-St Louis
Nov 17
STL1:30 amLambert-St Louis
28h 35m
3 stops
LHR6:05 amLondon Heathrow
Finnair
Nov 24
LHR5:15 amLondon Heathrow
18h 31m
1 stop
STL11:46 pmLambert-St Louis
Dec 12
STL11:43 amLambert-St Louis
32h 27m
1 stop
LHR8:10 pmLondon Heathrow
Virgin Atlantic
Jan 15
LHR3:40 amLondon Heathrow
18h 44m
2 stops
STL10:24 pmLambert-St Louis
Jan 26
STL9:20 amLambert-St Louis
12h 40m
1 stop
LHR10:00 pmLondon Heathrow
American Airlines
Nov 9
LHR6:05 amLondon Heathrow
17h 26m
1 stop
STL11:31 pmLambert-St Louis
Nov 16
STL1:00 amLambert-St Louis
18h 40m
1 stop
LHR7:40 pmLondon Heathrow
Multiple Airlines
Nov 9
LHR11:00 amLondon Heathrow
26h 32m
2 stops
STL1:32 pmLambert-St Louis
Nov 16
STL2:00 amLambert-St Louis
18h 25m
2 stops
LHR8:25 pmLondon Heathrow
Finnair
Jan 4
LHR12:05 pmLondon Heathrow
27h 04m
1 stop
STL3:09 pmLambert-St Louis
Jan 11
STL2:31 amLambert-St Louis
19h 44m
1 stop
LHR10:15 pmLondon Heathrow

Find the cheapest one-way flights from London Heathrow Airport to St. Louis

If you're looking for one-way flights from London Heathrow Airport to St. Louis, view some of our deals below provided by Air Canada, Finnair and KLM
Multiple Airlines
Dec 4
LHR1:45 pmLondon Heathrow
51h 17m
2 stops
STL5:02 pmLambert-St Louis
Air Canada
Nov 19
LHR6:10 amLondon Heathrow
17h 16m
2 stops
STL11:26 pmLambert-St Louis
Multiple Airlines
Dec 4
LHR1:45 pmLondon Heathrow
51h 17m
2 stops
STL5:02 pmLambert-St Louis

Search last-minute flights to St. Louis from London Heathrow Airport

Find and compare flight prices for your last-minute flight from London Heathrow Airport to St. Louis
Finnair
Oct 25
LHR8:20 amLondon Heathrow
37h 22m
2 stops
STL9:42 pmLambert-St Louis
Oct 31
STL12:37 pmLambert-St Louis
33h 33m
1 stop
LHR10:10 pmLondon Heathrow
Virgin Atlantic
Oct 24
LHR7:00 amLondon Heathrow
16h 24m
2 stops
STL11:24 pmLambert-St Louis
Oct 29
STL10:10 amLambert-St Louis
10h 30m
1 stop
LHR8:40 pmLondon Heathrow
Multiple Airlines
Oct 26
LHR7:20 amLondon Heathrow
31h 12m
3 stops
STL2:32 pmLambert-St Louis
Oct 30
STL3:00 amLambert-St Louis
27h 30m
3 stops
LHR6:30 amLondon Heathrow
American Airlines
Oct 26
LHR8:20 amLondon Heathrow
32h 03m
1 stop
STL4:23 pmLambert-St Louis
Oct 31
STL3:10 amLambert-St Louis
23h 05m
2 stops
LHR2:15 amLondon Heathrow
United Airlines
Oct 26
LHR8:15 amLondon Heathrow
12h 45m
1 stop
STL9:00 pmLambert-St Louis
Oct 31
STL1:40 pmLambert-St Louis
31h 40m
1 stop
LHR9:20 pmLondon Heathrow
Finnair
Oct 26
LHR6:30 amLondon Heathrow
12h 57m
1 stop
STL7:27 pmLambert-St Louis
Nov 30
STL2:00 amLambert-St Louis
23h 35m
1 stop
LHR1:35 amLondon Heathrow

Best airlines flying from London Heathrow Airport to St. Louis

Compare and see reviews for airlines that fly from London Heathrow Airport to St. Louis with momondo
AirlineRatingFree CancellationPrice
American Airlines
PriceFrom $889
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.8

Crew

7.1

Entertainment

6.8

Food

Reviews

Flight attendant for first class is definitely not a morning person. Oh and the WiFi DID NOT WORK!

1 / 10
British Airways
PriceFrom $967
Free Cancellation
Rating
7.0
7.3

Boarding

7.1

Comfort

7.4

Crew

6.6

Entertainment

6.5

Food

Reviews

awful from a to z

1 / 10

  • Are airlines flying from London Heathrow to Lambert-St Louis offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from London Heathrow to Lambert-St Louis are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are American Airlines, British Airways, and Air Canada. You can search for the full list of airlines like American Airlines that are offering this flexibility.

  • How far is London Heathrow to Lambert-St Louis by plane?

    The straight-line distance from London Heathrow to Lambert-St Louis is 4185.8 mi. By plane, this route typically takes 13h 50m.


Can I fly to Lambert-St Louis from London Heathrow right now?

Information is based on travel restrictions from London Heathrow to Lambert-St Louis

Most visitors from London Heathrow need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering Lambert-St Louis.

Can I fly back to London Heathrow from Lambert-St Louis?

Returning to London Heathrow from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London Heathrow.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering London Heathrow.

If you are planning to travel to St. Louis at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for London Heathrow Airport to St. Louis

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
London to St. Louis Flights
Fastest flight time15h 28m
Cheapest price$554
London to Kansas City Flights
Fastest flight time14h 54m
Cheapest price$591

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