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St. Louis Lambert International Airport to Heathrow Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to Heathrow Airport over the next 90 days, with one-way fares from THB 10,690 and round-trip from THB 24,690. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        STL 21:35
        8h
        Direct
        LHR 11:35
        St. Louis - London | Tue, Oct 6 | British Airways
        LHR 16:25
        9h 5m
        Direct
        STL 19:30
        London - St. Louis | Wed, Oct 14 | British Airways
        THB 42,120 THB 57,740
        27% off
        27% off
        THB 57,740 THB 42,120
      • STL 21:35
        8h
        Direct
        LHR 11:35
        St. Louis - London | Fri, Oct 16 | Aer Lingus
        LHR 16:25
        9h 5m
        Direct
        STL 19:30
        London - St. Louis | Tue, Oct 20 | Aer Lingus
        THB 46,190 THB 57,740
        20% off
        20% off
        THB 57,740 THB 46,190
      • STL 12:00
        13h 15m
        1 stop
        LHR 07:15
        St. Louis - London | Sat, Oct 3 | Virgin Atlantic
        LHR 15:15
        14h 39m
        1 stop
        STL 23:54
        London - St. Louis | Fri, Oct 9 | Virgin Atlantic
        THB 24,690 THB 57,740
        56% off
        56% off
        THB 57,740 THB 24,690
      • STL 10:14
        14h 11m
        1 stop
        LHR 06:25
        St. Louis - London | Sat, Oct 17 | Virgin Atlantic
        LHR 11:15
        13h
        1 stop
        STL 18:15
        London - St. Louis | Sat, Oct 24 | Virgin Atlantic
        THB 25,010
        56% off
        THB 57,740 THB 25,010
      • STL 12:10
        12h 20m
        1 stop
        LHR 06:30
        St. Louis - London | Sat, Oct 3 | Air Canada
        LHR 09:30
        15h 11m
        1 stop
        STL 18:41
        London - St. Louis | Fri, Oct 9 | Air Canada
        THB 25,130
        56% off
        THB 57,740 THB 25,130
      • STL 05:10
        25h 25m
        1 stop
        LHR 12:35
        St. Louis - London | Sat, Oct 17 | United Airlines
        LHR 12:05
        31h 55m
        1 stop
        STL 14:00
        London - St. Louis | Sat, Oct 24 | United Airlines
        THB 25,630
        56% off
        THB 57,740 THB 25,630
      • STL 14:40
        12h 55m
        1 stop
        LHR 09:35
        St. Louis - London | Sat, Oct 17 | Air Canada
        LHR 12:05
        14h 15m
        1 stop
        STL 20:20
        London - St. Louis | Sat, Oct 24 | Air Canada
        THB 25,860
        55% off
        THB 57,740 THB 25,860
      • STL 19:10
        13h 15m
        1 stop
        LHR 14:25
        St. Louis - London | Sat, Oct 10 | American Airlines
        LHR 14:45
        12h 12m
        1 stop
        STL 20:57
        London - St. Louis | Sat, Oct 17 | American Airlines
        THB 25,900
        55% off
        THB 57,740 THB 25,900
      • STL 12:46
        19h 39m
        1 stop
        LHR 14:25
        St. Louis - London | Sat, Oct 3 | Finnair
        LHR 09:45
        20h 34m
        1 stop
        STL 00:19
        London - St. Louis | Fri, Oct 9 | Finnair
        THB 25,920
        55% off
        THB 57,740 THB 25,920
      • STL 13:55
        11h 15m
        1 stop
        LHR 07:10
        St. Louis - London | Sat, Oct 3 | Delta Air Lines
        LHR 15:15
        14h 39m
        1 stop
        STL 23:54
        London - St. Louis | Fri, Oct 9 | Delta Air Lines
        THB 25,920
        55% off
        THB 57,740 THB 25,920
      • STL 10:14
        22h 11m
        1 stop
        LHR 14:25
        St. Louis - London | Sat, Oct 3 | Iberia
        LHR 11:00
        14h 48m
        1 stop
        STL 19:48
        London - St. Louis | Fri, Oct 9 | Iberia
        THB 25,970
        55% off
        THB 57,740 THB 25,970
      • STL 17:29
        10h 56m
        1 stop
        LHR 10:25
        St. Louis - London | Sat, Nov 14 | American Airlines
        LHR 12:35
        12h 47m
        1 stop
        STL 19:22
        London - St. Louis | Sat, Nov 21 | American Airlines
        THB 25,980
        55% off
        THB 57,740 THB 25,980
      • STL 17:40
        10h 40m
        1 stop
        LHR 10:20
        St. Louis - London | Sat, Oct 17 | American Airlines
        LHR 12:15
        12h 1m
        1 stop
        STL 18:16
        London - St. Louis | Fri, Oct 23 | American Airlines
        THB 25,980
        55% off
        THB 57,740 THB 25,980
      • STL 17:27
        11h 58m
        1 stop
        LHR 10:25
        St. Louis - London | Fri, Oct 30 | Finnair
        LHR 11:50
        14h 29m
        1 stop
        STL 20:19
        London - St. Louis | Fri, Nov 6 | Finnair
        THB 26,030
        55% off
        THB 57,740 THB 26,030
      • STL 13:00
        17h 25m
        1 stop
        LON 14:00
        St. Louis - London | Thu, Sep 24 | Normal Airline
        LON 15:00
        6h
        Direct
        STL 16:00
        London - St. Louis | Sat, Sep 26 | Normal Airline
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      • Cheapest nonstop
        STL 21:35
        8h
        Direct
        LHR 11:35
        St. Louis - London | Fri, Oct 16 | British Airways
        THB 11,150 THB 14,130
        21% off
        21% off
        THB 14,130 THB 11,150
      • STL 06:00
        23h 20m
        1 stop
        LHR 11:20
        St. Louis - London | Thu, Sep 24 | Delta Air Lines
        THB 10,690 THB 14,130
        24% off
        24% off
        THB 14,130 THB 10,690
      • STL 16:59
        31h 26m
        1 stop
        LHR 06:25
        St. Louis - London | Thu, Sep 24 | Virgin Atlantic
        THB 10,690 THB 14,130
        24% off
        24% off
        THB 14,130 THB 10,690
      • STL 10:14
        14h 11m
        1 stop
        LHR 06:25
        St. Louis - London | Fri, Oct 16 | Virgin Atlantic
        THB 10,750
        24% off
        THB 14,130 THB 10,750
      • STL 08:54
        17h 6m
        1 stop
        LHR 08:00
        St. Louis - London | Thu, Sep 24 | Iberia
        THB 11,090
        22% off
        THB 14,130 THB 11,090
      • STL 10:00
        16h
        1 stop
        LHR 08:00
        St. Louis - London | Fri, Oct 16 | Iberia
        THB 11,110
        21% off
        THB 14,130 THB 11,110
      • STL 14:25
        16h 50m
        1 stop
        LHR 13:15
        St. Louis - London | Fri, Oct 16 | Delta Air Lines
        THB 11,180
        21% off
        THB 14,130 THB 11,180
      • STL 13:54
        11h 1m
        1 stop
        LHR 06:55
        St. Louis - London | Thu, Sep 24 | British Airways
        THB 11,280
        20% off
        THB 14,130 THB 11,280
      • STL 10:05
        14h 20m
        1 stop
        LHR 06:25
        St. Louis - London | Thu, Sep 24 | Air France
        THB 11,280
        20% off
        THB 14,130 THB 11,280
      • STL 10:05
        14h 20m
        1 stop
        LHR 06:25
        St. Louis - London | Thu, Sep 24 | KLM
        THB 11,280
        20% off
        THB 14,130 THB 11,280
      • STL 10:14
        14h 11m
        1 stop
        LHR 06:25
        St. Louis - London | Fri, Oct 16 | KLM
        THB 11,300
        20% off
        THB 14,130 THB 11,300
      • STL 10:14
        14h 11m
        1 stop
        LHR 06:25
        St. Louis - London | Fri, Oct 16 | Air France
        THB 11,300
        20% off
        THB 14,130 THB 11,300
      • STL 13:00
        17h 25m
        1 stop
        LON 14:00
        St. Louis - London | Thu, Sep 24 | Normal Airline
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Displayed flight fares from St. Louis Lambert International Airport to Heathrow Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com data.

Which airline offers the cheapest flights from St. Louis Lambert International Airport to Heathrow Airport?

The cheapest airline flying from St. Louis Lambert International Airport to Heathrow Airport is Virgin Atlantic (from THB 10,750) among 9 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Virgin Atlantic
From THB 10,750
Iberia
From THB 11,110
British Airways
From THB 11,150
Delta Air Lines
From THB 11,180
KLM
From THB 11,300
Air France
From THB 11,300
Finnair
From THB 11,480
Frontier Airlines
From THB 12,600
American Airlines
From THB 12,700

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What is the flight schedule from St. Louis Lambert International Airport to Heathrow Airport?

Check the schedule for flights from St. Louis to London and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. BA220

    St. Louis Lambert International Airport

    21:35

    STL

    8h

    11:35

    LHR

    - M T - T - S
    Search

  2. VS5370

    St. Louis Lambert International Airport

    17:15

    STL

    1h 39m

    Direct

    19:54

    ATL

    S M T W T F S
    Search

  3. VS104

    Hartsfield–Jackson Atlanta International Airport

    18:25

    ATL

    8h

    Direct

    07:25

    LHR

    S M T W T F S

  4. DL1371

    St. Louis Lambert International Airport

    13:55

    STL

    1h 33m

    Direct

    16:28

    DTW

    S M T W T F S
    Search

  5. DL016

    Detroit Metropolitan Wayne County Airport

    18:45

    DTW

    7h 25m

    Direct

    07:10

    LHR

    S M T W T F S

  6. AA3096

    St. Louis Lambert International Airport

    12:50

    STL

    1h 55m

    Direct

    15:45

    CLT

    S M T W T F S
    Search

  7. AA730

    Charlotte Douglas International Airport

    18:05

    CLT

    7h 50m

    Direct

    06:55

    LHR

    S M T W T F S

  8. DL1400

    St. Louis Lambert International Airport

    11:51

    STL

    1h 39m

    Direct

    14:30

    ATL

    S M T W T F S
    Search

  9. VS104

    Hartsfield–Jackson Atlanta International Airport

    18:25

    ATL

    8h

    Direct

    07:25

    LHR

    S M T W T F S

  10. DL543

    St. Louis Lambert International Airport

    17:30

    STL

    1h 40m

    Direct

    20:10

    ATL

    S M T W T F S
    Search

  11. DL036

    Hartsfield–Jackson Atlanta International Airport

    23:55

    ATL

    8h 20m

    Direct

    13:15

    LHR

    S M T W T F S

  12. VS5368

    St. Louis Lambert International Airport

    13:30

    STL

    1h 39m

    Direct

    16:09

    ATL

    S M T W T F S
    Search

  13. VS4044

    Hartsfield–Jackson Atlanta International Airport

    17:05

    ATL

    8h 20m

    Direct

    06:25

    LHR

    S M T W T F S

  14. KL7228

    St. Louis Lambert International Airport

    10:14

    STL

    1h 35m

    Direct

    12:49

    ATL

    S M T W T F S
    Search

  15. KL6043

    Hartsfield–Jackson Atlanta International Airport

    17:05

    ATL

    8h 20m

    Direct

    06:25

    LHR

    S M T W T F S

  16. AY5718

    St. Louis Lambert International Airport

    12:46

    STL

    1h 54m

    Direct

    14:40

    DFW

    S M T W T F S
    Search

  17. AY3740

    Dallas Fort Worth International Airport

    18:15

    DFW

    9h 10m

    Direct

    09:25

    LHR

    S M T W T F S

  18. AF3456

    St. Louis Lambert International Airport

    10:02

    STL

    1h 35m

    Direct

    12:37

    ATL

    S M T W T - S
    Search

  19. AF3555

    Hartsfield–Jackson Atlanta International Airport

    17:05

    ATL

    8h 20m

    Direct

    06:25

    LHR

    S M T W T F S
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About St. Louis Lambert International Airport and Heathrow Airport

Learn about St. Louis Lambert International Airport (STL) and Heathrow Airport (LHR) — including location, terminals, transportation, and travel tips.

Flight distance6,750.33km
Cheapest one-way ticket priceTHB 10,690
Cheapest return ticket priceTHB 24,690

FAQs for St. Louis Lambert International Airport to Heathrow Airport Flights

  • How long is the flight from St. Louis Lambert International Airport to Heathrow Airport?

    St. Louis Lambert International Airport to Heathrow Airport takes about 7 hours 20 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from St. Louis Lambert International Airport (STL) to Heathrow Airport (LHR).
  • The earliest flight from St. Louis Lambert International Airport to Heathrow Airport departs at 21:35, and the last departs at 21:40, with about 1 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from St. Louis Lambert International Airport (STL) to Heathrow Airport (LHR) is quite popular. Without considering departure times or holidays, tickets cost around THB 34,450 in September, the most expensive month to book this route.
    • The distance from London Gatwick Airport to downtown is about 39km, by taxi about 50 minutes.
    • The distance from Heathrow Airport to downtown is about 23km, by taxi about 40 minutes.
    • The distance from London Luton Airport to downtown is about 44km, by taxi about 1 hour.
  • British Airways is a very popular airline operating an average of 110 flights per month.
  • One-way flights from St. Louis Lambert International Airport to Heathrow Airport currently start from THB 10,690, and round-trip fares start from THB 24,690. The current lowest fare is a Delta Air Lines flight departing on Thu, Sep 24; prices may vary depending on availability.
  • Yes. British Airways operate direct flights from St. Louis Lambert International Airport to Heathrow Airport, with an average flight time of 7 hours 19 minutes, and around 4 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from St. Louis Lambert International Airport to Heathrow Airport is THB 29,260. Prices may vary depending on the departure date, airline, and availability.
  • St. Louis Lambert International Airport to Heathrow Airport operates around 3 weekly flights, mainly by British Airways. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter St. Louis Lambert International Airport and Heathrow Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.