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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 £242 and round-trip from £558. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        STL 9:35 PM
        8h
        Nonstop
        LHR 11:35 AM
        St. Louis - London | Thu, Sep 24 | British Airways
        LHR 4:25 PM
        9h 5m
        Nonstop
        STL 7:30 PM
        London - St. Louis | Thu, Oct 1 | British Airways
        £830 £1,190
        30% off
        30% off
        £1,190 £830
      • STL 9:35 PM
        8h
        Nonstop
        LHR 11:35 AM
        St. Louis - London | Thu, Oct 8 | British Airways
        LHR 4:25 PM
        9h 5m
        Nonstop
        STL 7:30 PM
        London - St. Louis | Fri, Oct 16 | British Airways
        £952 £1,190
        20% off
        20% off
        £1,190 £952
      • STL 12:00 PM
        13h 15m
        1 stop
        LHR 7:15 AM
        St. Louis - London | Fri, Oct 2 | Virgin Atlantic
        LHR 3:15 PM
        14h 39m
        1 stop
        STL 11:54 PM
        London - St. Louis | Thu, Oct 8 | Virgin Atlantic
        £558 £1,190
        53% off
        53% off
        £1,190 £558
      • STL 10:14 AM
        14h 11m
        1 stop
        LHR 6:25 AM
        St. Louis - London | Fri, Oct 16 | Virgin Atlantic
        LHR 11:15 AM
        13h
        1 stop
        STL 6:15 PM
        London - St. Louis | Fri, Oct 23 | Virgin Atlantic
        £565
        53% off
        £1,190 £565
      • STL 12:10 PM
        12h 20m
        1 stop
        LHR 6:30 AM
        St. Louis - London | Fri, Oct 2 | Air Canada
        LHR 9:30 AM
        15h 11m
        1 stop
        STL 6:41 PM
        London - St. Louis | Thu, Oct 8 | Air Canada
        £568
        52% off
        £1,190 £568
      • STL 5:10 AM
        25h 25m
        1 stop
        LHR 12:35 PM
        St. Louis - London | Fri, Oct 16 | United Airlines
        LHR 12:05 PM
        31h 55m
        1 stop
        STL 2:00 PM
        London - St. Louis | Fri, Oct 23 | United Airlines
        £579
        51% off
        £1,190 £579
      • STL 2:40 PM
        12h 55m
        1 stop
        LHR 9:35 AM
        St. Louis - London | Fri, Oct 16 | Air Canada
        LHR 12:05 PM
        14h 15m
        1 stop
        STL 8:20 PM
        London - St. Louis | Fri, Oct 23 | Air Canada
        £584
        51% off
        £1,190 £584
      • STL 7:10 PM
        13h 15m
        1 stop
        LHR 2:25 PM
        St. Louis - London | Fri, Oct 9 | American Airlines
        LHR 2:45 PM
        12h 12m
        1 stop
        STL 8:57 PM
        London - St. Louis | Fri, Oct 16 | American Airlines
        £585
        51% off
        £1,190 £585
      • STL 12:46 PM
        19h 39m
        1 stop
        LHR 2:25 PM
        St. Louis - London | Fri, Oct 2 | Finnair
        LHR 9:45 AM
        20h 34m
        1 stop
        STL 12:19 AM
        London - St. Louis | Thu, Oct 8 | Finnair
        £586
        51% off
        £1,190 £586
      • STL 1:55 PM
        11h 15m
        1 stop
        LHR 7:10 AM
        St. Louis - London | Fri, Oct 2 | Delta Air Lines
        LHR 3:15 PM
        14h 39m
        1 stop
        STL 11:54 PM
        London - St. Louis | Thu, Oct 8 | Delta Air Lines
        £586
        51% off
        £1,190 £586
      • STL 10:14 AM
        22h 11m
        1 stop
        LHR 2:25 PM
        St. Louis - London | Fri, Oct 2 | Iberia
        LHR 11:00 AM
        14h 48m
        1 stop
        STL 7:48 PM
        London - St. Louis | Thu, Oct 8 | Iberia
        £587
        51% off
        £1,190 £587
      • STL 5:29 PM
        10h 56m
        1 stop
        LHR 10:25 AM
        St. Louis - London | Fri, Nov 13 | American Airlines
        LHR 12:35 PM
        12h 47m
        1 stop
        STL 7:22 PM
        London - St. Louis | Fri, Nov 20 | American Airlines
        £587
        51% off
        £1,190 £587
      • STL 5:29 PM
        10h 56m
        1 stop
        LHR 10:25 AM
        St. Louis - London | Fri, Nov 20 | American Airlines
        LHR 12:35 PM
        12h 52m
        1 stop
        STL 7:27 PM
        London - St. Louis | Thu, Nov 26 | American Airlines
        £587
        51% off
        £1,190 £587
      • STL 5:40 PM
        10h 40m
        1 stop
        LHR 10:20 AM
        St. Louis - London | Fri, Oct 16 | American Airlines
        LHR 12:15 PM
        12h 1m
        1 stop
        STL 6:16 PM
        London - St. Louis | Thu, Oct 22 | American Airlines
        £587
        51% off
        £1,190 £587
      • STL 1:00 PM
        17h 25m
        1 stop
        LON 2:00 PM
        St. Louis - London | Thu, Sep 24 | Normal Airline
        LON 3:00 PM
        6h
        Nonstop
        STL 4:00 PM
        London - St. Louis | Sat, Sep 26 | Normal Airline
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      • Cheapest nonstop
        STL 9:35 PM
        8h
        Nonstop
        LHR 11:35 AM
        St. Louis - London | Thu, Oct 15 | British Airways
        £252 £320
        21% off
        21% off
        £320 £252
      • STL 6:00 AM
        23h 20m
        1 stop
        LHR 11:20 AM
        St. Louis - London | Wed, Sep 23 | Delta Air Lines
        £242 £320
        24% off
        24% off
        £320 £242
      • STL 4:59 PM
        31h 26m
        1 stop
        LHR 6:25 AM
        St. Louis - London | Wed, Sep 23 | Virgin Atlantic
        £242 £320
        24% off
        24% off
        £320 £242
      • STL 10:14 AM
        14h 11m
        1 stop
        LHR 6:25 AM
        St. Louis - London | Thu, Oct 15 | Virgin Atlantic
        £243
        24% off
        £320 £243
      • STL 8:54 AM
        17h 6m
        1 stop
        LHR 8:00 AM
        St. Louis - London | Wed, Sep 23 | Iberia
        £251
        22% off
        £320 £251
      • STL 10:00 AM
        16h
        1 stop
        LHR 8:00 AM
        St. Louis - London | Thu, Oct 15 | Iberia
        £251
        22% off
        £320 £251
      • STL 2:25 PM
        16h 50m
        1 stop
        LHR 1:15 PM
        St. Louis - London | Thu, Oct 15 | Delta Air Lines
        £253
        21% off
        £320 £253
      • STL 1:54 PM
        11h 1m
        1 stop
        LHR 6:55 AM
        St. Louis - London | Wed, Sep 23 | British Airways
        £255
        20% off
        £320 £255
      • STL 10:05 AM
        14h 20m
        1 stop
        LHR 6:25 AM
        St. Louis - London | Wed, Sep 23 | Air France
        £255
        20% off
        £320 £255
      • STL 10:05 AM
        14h 20m
        1 stop
        LHR 6:25 AM
        St. Louis - London | Wed, Sep 23 | KLM
        £255
        20% off
        £320 £255
      • STL 10:14 AM
        14h 11m
        1 stop
        LHR 6:25 AM
        St. Louis - London | Thu, Oct 15 | KLM
        £256
        20% off
        £320 £256
      • STL 10:14 AM
        14h 11m
        1 stop
        LHR 6:25 AM
        St. Louis - London | Thu, Oct 15 | Air France
        £256
        20% off
        £320 £256
      • STL 1:00 PM
        17h 25m
        1 stop
        LON 2:00 PM
        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 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 Delta Air Lines (from £242) among 9 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Delta Air Lines
From £242
Virgin Atlantic
From £242
Iberia
From £251
British Airways
From £252
KLM
From £255
Air France
From £255
Finnair
From £260
Frontier Airlines
From £285
American Airlines
From £287

Find more flights and airlines

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

    9:00 PM

    STL

    8h 10m

    11:10 AM

    LHR

    - M T - T - S
    Search

  2. 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

  3. VS104

    Hartsfield–Jackson Atlanta International Airport

    6:25 PM

    ATL

    8h

    Nonstop

    7:25 AM

    LHR

    S M T W T F S

  4. DL1371

    St. Louis Lambert International Airport

    1:55 PM

    STL

    1h 33m

    Nonstop

    4:28 PM

    DTW

    S M T W T F S
    Search

  5. DL016

    Detroit Metropolitan Wayne County Airport

    6:45 PM

    DTW

    7h 25m

    Nonstop

    7:10 AM

    LHR

    S M T W T F S

  6. AA3096

    St. Louis Lambert International Airport

    12:50 PM

    STL

    1h 55m

    Nonstop

    3:45 PM

    CLT

    S M T W T F S
    Search

  7. AA730

    Charlotte Douglas International Airport

    6:05 PM

    CLT

    7h 50m

    Nonstop

    6:55 AM

    LHR

    S M T W T F S

  8. DL1400

    St. Louis Lambert International Airport

    11:51 AM

    STL

    1h 39m

    Nonstop

    2:30 PM

    ATL

    S M T W T F S
    Search

  9. VS104

    Hartsfield–Jackson Atlanta International Airport

    6:25 PM

    ATL

    8h

    Nonstop

    7:25 AM

    LHR

    S M T W T F S

  10. DL543

    St. Louis Lambert International Airport

    5:30 PM

    STL

    1h 40m

    Nonstop

    8:10 PM

    ATL

    S M T W T F S
    Search

  11. DL036

    Hartsfield–Jackson Atlanta International Airport

    11:55 PM

    ATL

    8h 20m

    Nonstop

    1:15 PM

    LHR

    S M T W T F S

  12. VS5368

    St. Louis Lambert International Airport

    1:30 PM

    STL

    1h 39m

    Nonstop

    4:09 PM

    ATL

    S M T W T F S
    Search

  13. VS4044

    Hartsfield–Jackson Atlanta International Airport

    5:05 PM

    ATL

    8h 20m

    Nonstop

    6:25 AM

    LHR

    S M T W T F S

  14. KL7228

    St. Louis Lambert International Airport

    10:14 AM

    STL

    1h 35m

    Nonstop

    12:49 PM

    ATL

    S M T W T F S
    Search

  15. KL6043

    Hartsfield–Jackson Atlanta International Airport

    5:05 PM

    ATL

    8h 20m

    Nonstop

    6:25 AM

    LHR

    S M T W T F S

  16. AY5718

    St. Louis Lambert International Airport

    12:46 PM

    STL

    1h 54m

    Nonstop

    2:40 PM

    DFW

    S M T W T F S
    Search

  17. AY3740

    Dallas Fort Worth International Airport

    6:15 PM

    DFW

    9h 10m

    Nonstop

    9:25 AM

    LHR

    S M T W T F S

  18. AF3456

    St. Louis Lambert International Airport

    10:02 AM

    STL

    1h 35m

    Nonstop

    12:37 PM

    ATL

    S M T W T - S
    Search

  19. AF3555

    Hartsfield–Jackson Atlanta International Airport

    5:05 PM

    ATL

    8h 20m

    Nonstop

    6:25 AM

    LHR

    S M T W T F S
Find more flights and airlines

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 distance6,750.33 km
Cheapest one-way ticket price£242
Cheapest return ticket price£558

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 £779 in September, 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 £242, and round-trip fares start from £558. The current lowest fare is a Delta Air Lines flight departing on Wed, Sep 23; 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 £661. 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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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

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.