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St. Louis Lambert International Airport to London Heathrow Airport flight
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Cheap Flights from St. Louis Lambert International Airport to London Heathrow Airport

Search for flights from St. Louis to London and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • STL06:00
        19h 50m
        1 stop
        LHR07:50
        St. Louis - London|Tue, Jul 2|American Airlines
        HK$ 2,347HK$ 4,616
        49% OFF
        49% OFF
        HK$ 4,616HK$ 2,347
      • STL11:25
        14h 25m
        1 stop
        LHR07:50
        St. Louis - London|Tue, Jul 2|United Airlines
        HK$ 2,540HK$ 4,616
        45% OFF
        45% OFF
        HK$ 4,616HK$ 2,540
      • STL14:12
        16h 33m
        1 stop
        LHR12:45
        St. Louis - London|Wed, Aug 7|Frontier Airlines
        HK$ 2,931HK$ 4,616
        36% OFF
        36% OFF
        HK$ 4,616HK$ 2,931
      • STL06:00
        19h 50m
        1 stop
        LHR07:50
        St. Louis - London|Thu, Jul 4|American Airlines
        HK$ 2,973
        HK$ 2,973
      • STL10:19
        19h 56m
        1 stop
        LHR12:15
        St. Louis - London|Wed, Jul 24|United Airlines
        HK$ 3,012
        HK$ 3,012
      • STL17:30
        12h 45m
        1 stop
        LHR12:15
        St. Louis - London|Thu, Jul 4|United Airlines
        HK$ 3,065
        HK$ 3,065
      • STL10:25
        29h 15m
        1 stop
        LHR21:40
        St. Louis - London|Thu, Aug 8|American Airlines
        HK$ 3,065
        HK$ 3,065
      • STL06:30
        23h 45m
        1 stop
        LHR12:15
        St. Louis - London|Tue, Jul 23|United Airlines
        HK$ 3,079
        HK$ 3,079
      • STL15:10
        15h 5m
        1 stop
        LHR12:15
        St. Louis - London|Sun, Aug 4|United Airlines
        HK$ 3,086
        HK$ 3,086
      • STL17:44
        21h 56m
        1 stop
        LHR21:40
        St. Louis - London|Fri, Jul 5|United Airlines
        HK$ 3,226
        HK$ 3,226
      • STL13:00
        3h 5m
        Direct
        LHR14:00
        St. Louis - London|Sat, Jun 29|American Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from St. Louis Lambert International Airport to London Heathrow Airport

See which airlines fly from St. Louis to London. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

American Airlines
From HK$ 2,347
Frontier Airlines
From HK$ 2,468
United Airlines
From HK$ 2,499
Southern Airways Express, Llc
From HK$ 2,657
Delta Air Lines
From HK$ 3,000
Sun Country Airlines
From HK$ 3,265
Air Canada
From HK$ 3,765
Virgin Atlantic
From HK$ 3,878
British Airways
From HK$ 3,882
Air France
From HK$ 3,937
ANA airlines

Find more flights and airlines

Find Cheaper Flights from St. Louis to London

Explore other flights from St. Louis to London to find the best alternative options.

  • Cheapest
    Frontier Airlines
    STL
    19:33
    32h 27m
    1 transfer
    LGW
    10:00
    St. Louis Lambert International Airport - London Gatwick Airport
    Tue, Jul 16Frontier Airlines
    HK$ 1,403
  • Frontier Airlines
    STL
    19:33
    32h 27m
    1 transfer
    LGW
    10:00
    St. Louis Lambert International Airport - London Gatwick Airport
    Tue, Jul 16Frontier Airlines
    HK$ 1,403
    Find More Flights
Flight Schedule from St. Louis Lambert International Airport to London 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. AA1410

    American Airlines

    08:01

    STL

    1.9h

    09:52

    DFW

    SMTWTFS
    Search

  2. AA050

    American Airlines

    15:05

    DFW

    9.3h

    06:25

    LHR

    SMTWTFS

  3. AA2897

    American Airlines

    09:44

    STL

    1.9h

    11:37

    DFW

    SMTWTFS
    Search

  4. AA050

    American Airlines

    15:05

    DFW

    9.3h

    06:25

    LHR

    SMTWTFS

  5. AC8688

    Air Canada

    09:50

    STL

    2.4h

    13:13

    YUL

    SMTWTFS
    Search

  6. AC866

    Air Canada

    18:50

    YUL

    6.7h

    06:30

    LHR

    SMTWTFS

  7. UA4383

    United Airlines

    12:55

    STL

    1.5h

    14:27

    ORD

    SMTWT--
    Search

  8. FI852

    Icelandair

    19:25

    ORD

    6.3h

    06:40

    KEF

    SMTWTFS

  9. FI450

    Icelandair

    07:40

    KEF

    3.3h

    11:55

    LHR

    SMTWTFS

  10. F94741

    Frontier Airlines

    14:12

    STL

    2.3h

    16:28

    DFW

    S-T-T--
    Search

  11. AA080

    American Airlines

    21:30

    DFW

    9.3h

    12:45

    LHR

    SMTWTFS

  12. UA3568

    United Airlines

    15:15

    STL

    1.5h

    16:43

    ORD

    SMTWT-S
    Search

  13. AA098

    American Airlines

    22:25

    ORD

    7.8h

    12:15

    LHR

    SMTWTFS

  14. UA3568

    United Airlines

    15:15

    STL

    1.5h

    16:43

    ORD

    SMTWT-S
    Search

  15. AA2518

    American Airlines

    18:29

    ORD

    2.5h

    21:59

    JFK

    SMTWTFS

  16. AA104

    American Airlines

    22:15

    JFK

    7.3h

    10:30

    LHR

    SMTWTFS

  17. DL4905

    Delta Air Lines

    15:40

    STL

    2.5h

    19:12

    LGA

    SMTWT-S
    Search

  18. AA104

    American Airlines

    22:15

    JFK

    7.3h

    10:30

    LHR

    SMTWTFS

  19. VS5372

    Virgin Atlantic

    17:19

    STL

    1.6h

    19:58

    ATL

    SMTWTFS
    Search

  20. VS4010

    Virgin Atlantic

    21:55

    ATL

    8.3h

    11:10

    LHR

    SMTWTFS

  21. UA2144

    United Airlines

    17:30

    STL

    1.4h

    18:55

    ORD

    S--WTF-
    Search

  22. AA098

    American Airlines

    22:25

    ORD

    7.8h

    12:15

    LHR

    SMTWTFS
Find more flights and airlines

St. Louis Lambert International Airport to London Heathrow Airport Flights Info

Flight distance6,750.33km
Cheapest one-way ticket priceHK$ 2,346

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

  • What is the transportation method from the main airport to downtown in London?

    • The distance from London Gatwick Airport to downtown is about 39km, by taxi about 50 minutes.
    • The distance from London 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.

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