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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 DKK 2,366 and round-trip from DKK 5,207. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      STL 9:40 PM
      8h
      Nonstop
      LHR 11:40 AM
      St. Louis - London | Sun, Oct 18 | Aer Lingus
      LHR 4:25 PM
      9h 5m
      Nonstop
      STL 7:30 PM
      London - St. Louis | Fri, Oct 23 | Aer Lingus
      DKK 11,945 DKK 17,296
      31% off
      31% off
      DKK 17,296 DKK 11,945
    • STL 9:40 PM
      8h
      Nonstop
      LHR 11:40 AM
      St. Louis - London | Sun, Oct 18 | Iberia
      LHR 4:25 PM
      9h 5m
      Nonstop
      STL 7:30 PM
      London - St. Louis | Fri, Oct 23 | Iberia
      DKK 14,009 DKK 17,296
      19% off
      19% off
      DKK 17,296 DKK 14,009
    • STL 4:05 PM
      10h 25m
      1 stop
      LHR 8:30 AM
      St. Louis - London | Mon, Dec 7 | Air Canada
      LHR 6:30 AM
      13h 15m
      1 stop
      STL 1:45 PM
      London - St. Louis | Sun, Dec 13 | Lufthansa
      DKK 5,207 DKK 17,296
      70% off
      70% off
      DKK 17,296 DKK 5,207
    • STL 5:29 PM
      10h 56m
      1 stop
      LHR 10:25 AM
      St. Louis - London | Wed, Nov 11 | American Airlines
      LHR 12:35 PM
      12h 47m
      1 stop
      STL 7:22 PM
      London - St. Louis | Wed, Nov 18 | American Airlines
      DKK 5,223
      70% off
      DKK 17,296 DKK 5,223
    • STL 4:25 PM
      11h 15m
      1 stop
      LHR 9:40 AM
      St. Louis - London | Tue, Dec 1 | American Airlines
      LHR 11:45 AM
      12h 46m
      1 stop
      STL 6:31 PM
      London - St. Louis | Tue, Dec 8 | American Airlines
      DKK 5,227
      70% off
      DKK 17,296 DKK 5,227
    • STL 5:27 PM
      11h 58m
      1 stop
      LHR 10:25 AM
      St. Louis - London | Tue, Oct 27 | Finnair
      LHR 11:50 AM
      14h 29m
      1 stop
      STL 8:19 PM
      London - St. Louis | Tue, Nov 3 | Finnair
      DKK 5,233
      70% off
      DKK 17,296 DKK 5,233
    • STL 12:36 PM
      11h 49m
      1 stop
      LHR 6:25 AM
      St. Louis - London | Mon, Dec 7 | Virgin Atlantic
      LHR 8:55 AM
      13h 29m
      1 stop
      STL 4:24 PM
      London - St. Louis | Sun, Dec 13 | Delta Air Lines
      DKK 5,235
      70% off
      DKK 17,296 DKK 5,235
    • STL 8:48 AM
      17h 2m
      1 stop
      LHR 6:50 AM
      St. Louis - London | Tue, Oct 27 | Iberia
      LHR 10:35 AM
      15h 51m
      1 stop
      STL 8:26 PM
      London - St. Louis | Tue, Nov 3 | Iberia
      DKK 5,236
      70% off
      DKK 17,296 DKK 5,236
    • STL 4:05 PM
      11h 25m
      1 stop
      LHR 8:30 AM
      St. Louis - London | Tue, Oct 27 | Air Canada
      LHR 6:00 PM
      27h 26m
      1 stop
      STL 3:26 PM
      London - St. Louis | Tue, Nov 3 | Air Canada
      DKK 5,252
      70% off
      DKK 17,296 DKK 5,252
    • STL 1:00 PM
      17h 25m
      1 stop
      LON 2:00 PM
      St. Louis - London | Sun, Oct 18 | Normal Airline
      LON 3:00 PM
      6h
      Nonstop
      STL 4:00 PM
      London - St. Louis | Tue, Oct 20 | Normal Airline
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    • Cheapest
      STL 1:58 PM
      11h 22m
      1 stop
      LHR 7:20 AM
      St. Louis - London | Wed, Dec 9 | American Airlines
      DKK 2,366 DKK 7,908
      70% off
      70% off
      DKK 7,908 DKK 2,366
    • STL 6:00 AM
      18h 20m
      1 stop
      LHR 6:20 AM
      St. Louis - London | Wed, Dec 9 | United Airlines
      DKK 2,389 DKK 7,908
      70% off
      70% off
      DKK 7,908 DKK 2,389
    • STL 9:50 AM
      15h 10m
      1 stop
      LHR 7:00 AM
      St. Louis - London | Wed, Dec 9 | Iberia
      DKK 2,457 DKK 7,908
      69% off
      69% off
      DKK 7,908 DKK 2,457
    • STL 9:50 AM
      14h 25m
      1 stop
      LHR 6:15 AM
      St. Louis - London | Wed, Dec 9 | British Airways
      DKK 2,509
      68% off
      DKK 7,908 DKK 2,509
    • STL 9:45 AM
      14h 35m
      1 stop
      LHR 6:20 AM
      St. Louis - London | Wed, Dec 9 | Delta Air Lines
      DKK 2,510
      68% off
      DKK 7,908 DKK 2,510
    • STL 9:50 AM
      15h 10m
      1 stop
      LHR 7:00 AM
      St. Louis - London | Fri, Nov 6 | Iberia
      DKK 2,575
      67% off
      DKK 7,908 DKK 2,575
    • STL 10:25 AM
      15h 25m
      1 stop
      LHR 7:50 AM
      St. Louis - London | Fri, Nov 6 | KLM
      DKK 2,613
      67% off
      DKK 7,908 DKK 2,613
    • STL 9:50 AM
      15h 10m
      1 stop
      LHR 7:00 AM
      St. Louis - London | Fri, Nov 6 | British Airways
      DKK 2,615
      67% off
      DKK 7,908 DKK 2,615
    • STL 7:00 AM
      17h 20m
      1 stop
      LHR 6:20 AM
      St. Louis - London | Thu, Nov 5 | Delta Air Lines
      DKK 2,615
      67% off
      DKK 7,908 DKK 2,615
    • STL 1:00 PM
      17h 25m
      1 stop
      LON 2:00 PM
      St. Louis - London | Sun, Oct 18 | Normal Airline
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    • Cheapest nonstop
      STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Tue, Oct 20 | Iberia
      DKK 6,366 DKK 8,462
      25% off
      25% off
      DKK 8,462 DKK 6,366
    • STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Wed, Oct 21 | Iberia
      DKK 6,369 DKK 8,462
      25% off
      25% off
      DKK 8,462 DKK 6,369
    • STL 5:30 PM
      12h 10m
      1 stop
      LHR 11:40 AM
      St. Louis - London | Sun, Nov 22 | Virgin Atlantic
      DKK 4,898 DKK 8,462
      42% off
      42% off
      DKK 8,462 DKK 4,898
    • STL 12:29 PM
      11h 56m
      1 stop
      LHR 6:25 AM
      St. Louis - London | Sun, Nov 22 | Delta Air Lines
      DKK 4,913
      42% off
      DKK 8,462 DKK 4,913
    • STL 1:08 PM
      10h 47m
      1 stop
      LHR 5:55 AM
      St. Louis - London | Sun, Nov 22 | United Airlines
      DKK 4,995
      41% off
      DKK 8,462 DKK 4,995
    • STL 7:01 PM
      10h 54m
      1 stop
      LHR 11:55 AM
      St. Louis - London | Wed, Oct 21 | United Airlines
      DKK 5,777
      32% off
      DKK 8,462 DKK 5,777
    • STL 2:40 PM
      9h 55m
      1 stop
      LHR 6:35 AM
      St. Louis - London | Wed, Oct 21 | Air Canada
      DKK 6,036
      28% off
      DKK 8,462 DKK 6,036
    • STL 2:38 PM
      10h 32m
      1 stop
      LHR 7:10 AM
      St. Louis - London | Wed, Oct 21 | Virgin Atlantic
      DKK 6,151
      27% off
      DKK 8,462 DKK 6,151
    • STL 2:25 PM
      11h 25m
      1 stop
      LHR 7:50 AM
      St. Louis - London | Fri, Nov 6 | Delta Air Lines
      DKK 6,475
      23% off
      DKK 8,462 DKK 6,475
    • STL 1:00 PM
      17h 25m
      1 stop
      LON 2:00 PM
      St. Louis - London | Sun, Oct 18 | Normal Airline
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    • STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Tue, Oct 20 | American Airlines
      DKK 6,978 DKK 8,829
      21% off
      21% off
      DKK 8,829 DKK 6,978
    • STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Wed, Oct 21 | British Airways
      DKK 6,385 DKK 8,829
      28% off
      28% off
      DKK 8,829 DKK 6,385
    • STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Wed, Oct 21 | Finnair
      DKK 7,012 DKK 8,829
      21% off
      21% off
      DKK 8,829 DKK 7,012
    • STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Tue, Oct 20 | British Airways
      DKK 6,396
      28% off
      DKK 8,829 DKK 6,396
    • STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Wed, Oct 21 | American Airlines
      DKK 6,964
      21% off
      DKK 8,829 DKK 6,964
    • STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Tue, Oct 20 | Iberia
      DKK 6,366
      28% off
      DKK 8,829 DKK 6,366
    • STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Wed, Oct 21 | Iberia
      DKK 6,369
      28% off
      DKK 8,829 DKK 6,369
    • STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Tue, Oct 20 | Finnair
      DKK 7,151
      19% off
      DKK 8,829 DKK 7,151
    • STL 2:40 PM
      9h 55m
      1 stop
      LHR 6:35 AM
      St. Louis - London | Mon, Oct 19 | Air Canada
      DKK 5,797
      34% off
      DKK 8,829 DKK 5,797
    • STL 1:00 PM
      17h 25m
      1 stop
      LON 2:00 PM
      St. Louis - London | Sun, Oct 18 | Normal Airline
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    • Cheapest nonstop
      STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Tue, Oct 20 | Iberia
      DKK 6,366 DKK 7,863
      19% off
      19% off
      DKK 7,863 DKK 6,366
    • STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Wed, Oct 21 | Iberia
      DKK 6,369 DKK 7,863
      19% off
      19% off
      DKK 7,863 DKK 6,369
    • STL 7:01 PM
      10h 54m
      1 stop
      LHR 11:55 AM
      St. Louis - London | Wed, Oct 21 | United Airlines
      DKK 5,777 DKK 7,863
      27% off
      27% off
      DKK 7,863 DKK 5,777
    • STL 2:40 PM
      9h 55m
      1 stop
      LHR 6:35 AM
      St. Louis - London | Wed, Oct 21 | Air Canada
      DKK 6,036
      23% off
      DKK 7,863 DKK 6,036
    • STL 2:38 PM
      10h 32m
      1 stop
      LHR 7:10 AM
      St. Louis - London | Wed, Oct 21 | Virgin Atlantic
      DKK 6,151
      22% off
      DKK 7,863 DKK 6,151
    • STL 1:00 PM
      17h 25m
      1 stop
      LON 2:00 PM
      St. Louis - London | Sun, Oct 18 | Normal Airline
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    • Cheapest nonstop
      STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Tue, Oct 20 | Iberia
      DKK 6,366 DKK 7,863
      19% off
      19% off
      DKK 7,863 DKK 6,366
    • STL 9:35 PM
      8h
      Nonstop
      LHR 11:35 AM
      St. Louis - London | Wed, Oct 21 | Iberia
      DKK 6,369 DKK 7,863
      19% off
      19% off
      DKK 7,863 DKK 6,369
    • STL 1:00 PM
      17h 25m
      1 stop
      LON 2:00 PM
      St. Louis - London | Sun, Oct 18 | Normal Airline
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Displayed flight fares from St. Louis to London are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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 American Airlines (from DKK 2,366) among 9 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From DKK 2,366
United Airlines
From DKK 2,389
Iberia
From DKK 2,457
Frontier Airlines
From DKK 2,508
British Airways
From DKK 2,509
KLM
From DKK 2,613
Air France
From DKK 2,615
Delta Air Lines
From DKK 6,405
Virgin Atlantic
From DKK 6,531

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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. AC8890

    St. Louis Lambert International Airport

    2:40 PM

    STL

    1h 54m

    Nonstop

    5:34 PM

    YYZ

    S M T W T F S
    Search

  2. AC856

    Toronto Pearson International Airport

    8:15 PM

    YYZ

    7h 20m

    Nonstop

    8:35 AM

    LHR

    S M - W T - S

  3. VS5370

    St. Louis Lambert International Airport

    5:15 PM

    STL

    1h 39m

    Nonstop

    7:54 PM

    ATL

    S M T W T F S
    Search

  4. VS4044

    Hartsfield–Jackson Atlanta International Airport

    5:05 PM

    ATL

    8h 20m

    Nonstop

    6:25 AM

    LHR

    S M T W T F S

  5. AC8688

    St. Louis Lambert International Airport

    1:25 PM

    STL

    2h 31m

    Nonstop

    4:56 PM

    YUL

    S M T W T F S
    Search

  6. AC866

    Montreal Pierre Elliott Trudeau Airport

    10:10 PM

    YUL

    6h 50m

    Nonstop

    10:00 AM

    LHR

    - M T - T F S

  7. DL1400

    St. Louis Lambert International Airport

    12:00 PM

    STL

    1h 35m

    Nonstop

    2:35 PM

    ATL

    S M T W T F S
    Search

  8. VS104

    Hartsfield–Jackson Atlanta International Airport

    6:25 PM

    ATL

    7h

    Nonstop

    6:25 AM

    LHR

    S M T W T F S

  9. AC8890

    St. Louis Lambert International Airport

    2:40 PM

    STL

    1h 54m

    Nonstop

    5:34 PM

    YYZ

    S M T W T F S
    Search

  10. AC858

    Toronto Pearson International Airport

    11:50 PM

    YYZ

    7h

    Nonstop

    11:50 AM

    LHR

    S M T W T F S

  11. BA6891

    St. Louis Lambert International Airport

    9:44 AM

    STL

    2h 45m

    Nonstop

    1:29 PM

    BOS

    - - - - - F -
    Search

  12. BA212

    Boston Logan International Airport

    7:35 PM

    BOS

    6h 35m

    Nonstop

    7:10 AM

    LHR

    S M T W T F S

  13. BA6891

    St. Louis Lambert International Airport

    9:44 AM

    STL

    2h 45m

    Nonstop

    1:29 PM

    BOS

    - - - - - F -
    Search

  14. BA1540

    Boston Logan International Airport

    7:25 PM

    BOS

    6h 55m

    Nonstop

    7:20 AM

    LHR

    S M T W T F S

  15. DL2868

    St. Louis Lambert International Airport

    10:35 AM

    STL

    1h 34m

    Nonstop

    1:09 PM

    DTW

    S M T W T F S
    Search

  16. DL016

    Detroit Metropolitan Wayne County Airport

    6:45 PM

    DTW

    7h 25m

    Nonstop

    7:10 AM

    LHR

    S M T W T F S

  17. DL5110

    St. Louis Lambert International Airport

    10:00 AM

    STL

    2h 21m

    Nonstop

    1:21 PM

    LGA

    S M T W T - -
    Search

  18. AC735

    LaGuardia Airport

    5:35 PM

    LGA

    1h 29m

    Nonstop

    7:04 PM

    YUL

    S M T W - F S

  19. AC864

    Montreal Pierre Elliott Trudeau Airport

    6:40 PM

    YUL

    6h 50m

    Nonstop

    6:30 AM

    LHR

    S M T W T F S

  20. AA4443

    St. Louis Lambert International Airport

    9:15 AM

    STL

    2h 33m

    Nonstop

    12:48 PM

    LGA

    S M T W T F S
    Search

  21. AC713

    LaGuardia Airport

    4:55 PM

    LGA

    1h 33m

    Nonstop

    6:28 PM

    YYZ

    S - T W T F S

  22. AC854

    Toronto Pearson International Airport

    6:35 PM

    YYZ

    7h

    Nonstop

    6:35 AM

    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 distance 6,750.33 km
Cheapest one-way ticket price DKK 2,366
Cheapest return ticket price DKK 5,207

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 18 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 DKK 6,987 in October, the most expensive month to book this route.
    • The distance from London Gatwick Airport to downtown is about 39 km. It takes about 50 minutes by taxi.
    • The distance from Heathrow Airport to downtown is about 23 km. It takes about 40 minutes by taxi.
    • The distance from London Luton Airport to downtown is about 44 km. It takes about 1 hour by taxi.
  • 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 DKK 2,366, and round-trip fares start from DKK 5,207. The current lowest fare is a American Airlines flight departing on Wed, Dec 9; 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 21 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 DKK 6,103. Prices may vary depending on the departure date, airline, and availability.
  • St. Louis Lambert International Airport to Heathrow Airport operates around 4 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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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled 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 check the customer support pages.