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St. Louis Lambert International Airport to Heathrow Airport flight

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

      • Cheapest nonstop
        STL 21:35
        8h
        Direct
        LHR 11:35
        St. Louis - London | Tue, Aug 25 | Iberia
        LHR 16:25
        9h 5m
        Direct
        STL 19:30
        London - St. Louis | Tue, Sep 1 | Iberia
        US$971 US$1,315
        26% off
        26% off
        US$1,315 US$971
      • STL 21:35
        8h
        Direct
        LHR 11:35
        St. Louis - London | Tue, Aug 25 | British Airways
        LHR 16:25
        9h 5m
        Direct
        STL 19:30
        London - St. Louis | Tue, Sep 1 | British Airways
        US$973 US$1,315
        26% off
        26% off
        US$1,315 US$973
      • STL 09:00
        18h 40m
        1 stop
        LHR 09:40
        St. Louis - London | Tue, Aug 18 | United Airlines
        LHR 06:30
        12h 55m
        1 stop
        STL 13:25
        London - St. Louis | Fri, Aug 21 | Lufthansa
        US$856 US$1,315
        35% off
        35% off
        US$1,315 US$856
      • STL 06:00
        18h 45m
        1 stop
        LHR 06:45
        St. Louis - London | Fri, Aug 14 | United Airlines
        LHR 06:30
        12h 55m
        1 stop
        STL 13:25
        London - St. Louis | Fri, Aug 21 | Lufthansa
        US$860
        35% off
        US$1,315 US$860
      • STL 12:10
        12h 20m
        1 stop
        LHR 06:30
        St. Louis - London | Fri, Aug 14 | Air Canada
        LHR 17:40
        26h 24m
        1 stop
        STL 14:04
        London - St. Louis | Fri, Aug 21 | Air Canada
        US$863
        34% off
        US$1,315 US$863
      • STL 08:55
        15h 40m
        1 stop
        LHR 06:35
        St. Louis - London | Tue, Aug 18 | Air Canada
        LHR 17:40
        26h 24m
        1 stop
        STL 14:04
        London - St. Louis | Fri, Aug 21 | Air Canada
        US$867
        34% off
        US$1,315 US$867
      • STL 15:50
        15h 15m
        1 stop
        LHR 13:05
        St. Louis - London | Wed, Sep 2 | Delta Air Lines
        LHR 12:05
        31h 55m
        1 stop
        STL 14:00
        London - St. Louis | Wed, Sep 9 | Air Canada
        US$880
        33% off
        US$1,315 US$880
      • STL 11:00
        14h 15m
        1 stop
        LHR 07:15
        St. Louis - London | Wed, Sep 2 | Virgin Atlantic
        LHR 12:05
        31h 55m
        1 stop
        STL 14:00
        London - St. Louis | Wed, Sep 9 | Air Canada
        US$880
        33% off
        US$1,315 US$880
      • STL 07:00
        18h 15m
        1 stop
        LHR 07:15
        St. Louis - London | Thu, Sep 3 | United Airlines
        LHR 06:30
        12h 55m
        1 stop
        STL 13:25
        London - St. Louis | Tue, Sep 8 | Lufthansa
        US$881
        33% off
        US$1,315 US$881
      • STL 11:00
        13h 25m
        1 stop
        LHR 06:25
        St. Louis - London | Sun, Aug 16 | Virgin Atlantic
        LHR 13:25
        16h 33m
        1 stop
        STL 23:58
        London - St. Louis | Wed, Aug 19 | Virgin Atlantic
        US$882
        33% off
        US$1,315 US$882
      • STL 10:33
        14h 37m
        1 stop
        LHR 07:10
        St. Louis - London | Tue, Aug 18 | Virgin Atlantic
        LHR 09:20
        12h 57m
        1 stop
        STL 16:17
        London - St. Louis | Fri, Aug 21 | Virgin Atlantic
        US$887
        33% off
        US$1,315 US$887
      • STL 12:10
        12h 20m
        1 stop
        LHR 06:30
        St. Louis - London | Tue, Aug 11 | Air Canada
        LHR 17:40
        26h 24m
        1 stop
        STL 14:04
        London - St. Louis | Fri, Aug 14 | Air Canada
        US$893
        32% off
        US$1,315 US$893
      • STL 13:00
        17h 25m
        1 stop
        LON 14:00
        St. Louis - London | Thu, Jul 9 | Normal Airline
        LON 15:00
        6h
        Direct
        STL 16:00
        London - St. Louis | Sat, Jul 11 | Normal Airline
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      • Cheapest nonstop
        STL 21:40
        8h
        Direct
        LHR 11:40
        St. Louis - London | Sun, Jul 19 | British Airways
        US$342 US$1,082
        68% off
        68% off
        US$1,082 US$342
      • STL 21:40
        8h
        Direct
        LHR 11:40
        St. Louis - London | Sun, Jul 19 | Iberia
        US$344 US$1,082
        68% off
        68% off
        US$1,082 US$344
      • STL 12:10
        15h 50m
        1 stop
        LHR 10:00
        St. Louis - London | Sat, Aug 8 | Air Canada
        US$318 US$1,082
        71% off
        71% off
        US$1,082 US$318
      • STL 07:00
        16h 55m
        1 stop
        LHR 05:55
        St. Louis - London | Fri, Sep 4 | United Airlines
        US$321
        70% off
        US$1,082 US$321
      • STL 17:30
        31h 5m
        1 stop
        LHR 06:35
        St. Louis - London | Wed, Aug 12 | United Airlines
        US$321
        70% off
        US$1,082 US$321
      • STL 05:10
        22h 30m
        1 stop
        LHR 09:40
        St. Louis - London | Thu, Jul 23 | United Airlines
        US$322
        70% off
        US$1,082 US$322
      • STL 06:00
        18h 45m
        1 stop
        LHR 06:45
        St. Louis - London | Mon, Aug 10 | United Airlines
        US$322
        70% off
        US$1,082 US$322
      • STL 05:10
        22h 30m
        1 stop
        LHR 09:40
        St. Louis - London | Sun, Jul 19 | United Airlines
        US$322
        70% off
        US$1,082 US$322
      • STL 05:10
        22h 30m
        1 stop
        LHR 09:40
        St. Louis - London | Fri, Aug 7 | United Airlines
        US$322
        70% off
        US$1,082 US$322
      • STL 05:10
        22h 30m
        1 stop
        LHR 09:40
        St. Louis - London | Sat, Aug 8 | United Airlines
        US$322
        70% off
        US$1,082 US$322
      • STL 06:00
        18h 45m
        1 stop
        LHR 06:45
        St. Louis - London | Fri, Aug 21 | United Airlines
        US$323
        70% off
        US$1,082 US$323
      • STL 06:01
        17h 54m
        1 stop
        LHR 05:55
        St. Louis - London | Sat, Aug 1 | United Airlines
        US$800
        26% off
        US$1,082 US$800
      • STL 13:00
        17h 25m
        1 stop
        LON 14:00
        St. Louis - London | Thu, Jul 9 | 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.

Selected Airlines from St. Louis Lambert International Airport to 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.

Air Canada
From US$318
Frontier Airlines
From US$319
United Airlines
From US$321
Virgin Atlantic
From US$323
Delta Air Lines
From US$324
Iberia
From US$333
British Airways
From US$339
Air France
From US$339
KLM
From US$339

Find more flights and airlines

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. IB3914

    St. Louis Lambert International Airport

    21:35

    STL

    8h

    11:35

    LHR

    - M T - T - S
    Search

  3. DL1371

    St. Louis Lambert International Airport

    13:54

    STL

    1h 36m

    Direct

    16:30

    DTW

    S M T W T - S
    Search

  4. VS4038

    Detroit Metropolitan Wayne County Airport

    18:45

    DTW

    7h 25m

    Direct

    07:10

    LHR

    S M T W T F S

  5. AY4102

    St. Louis Lambert International Airport

    18:33

    STL

    1h 35m

    Direct

    20:08

    ORD

    S - T - - - S
    Search

  6. AY3887

    O'Hare International Airport

    20:40

    ORD

    7h 50m

    Direct

    10:30

    LHR

    S M T W T F S

  7. AA3815

    St. Louis Lambert International Airport

    14:31

    STL

    1h 28m

    Direct

    15:59

    ORD

    S M T W T - S
    Search

  8. AA086

    O'Hare International Airport

    18:00

    ORD

    8h 5m

    Direct

    08:05

    LHR

    S M T W T F S

  9. AC8688

    St. Louis Lambert International Airport

    13:25

    STL

    2h 32m

    Direct

    16:57

    YUL

    S M T W T F S
    Search

  10. AC866

    Montréal-Pierre Elliott Trudeau International Airport

    22:10

    YUL

    6h 50m

    Direct

    10:00

    LHR

    - M T - T F S

  11. UA6646

    St. Louis Lambert International Airport

    13:25

    STL

    2h 32m

    Direct

    16:57

    YUL

    S M T W T F S
    Search

  12. UA8296

    Montréal-Pierre Elliott Trudeau International Airport

    18:40

    YUL

    6h 50m

    Direct

    06:30

    LHR

    - M T - T F S

  13. LH449

    St. Louis Lambert International Airport

    15:30

    STL

    8h 55m

    Direct

    07:25

    FRA

    S M T - T - S
    Search

  14. LH4226

    Frankfurt Airport

    10:05

    FRA

    1h 40m

    Direct

    10:45

    LHR

    S M T W T F S

  15. AF8664

    St. Louis Lambert International Airport

    15:42

    STL

    1h 43m

    Direct

    18:25

    ATL

    S M T W T F S
    Search

  16. AF3553

    Hartsfield–Jackson Atlanta International Airport

    22:05

    ATL

    8h 15m

    Direct

    11:20

    LHR

    S M T W T - S

  17. DL3185

    St. Louis Lambert International Airport

    17:36

    STL

    1h 39m

    Direct

    19:15

    MSP

    S M T W T F S
    Search

  18. DL010

    Minneapolis-Saint Paul International Airport

    23:10

    MSP

    7h 55m

    Direct

    13:05

    LHR

    S M T W T F S
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St. Louis Lambert International Airport to Heathrow Airport Flights Info

Flight distance 6,750.33km
Cheapest one-way ticket price US$318
Cheapest return ticket price US$856

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

  • How long does it take to fly from St. Louis Lambert International Airport (STL) to Heathrow Airport (LHR)?

    It takes around 8 hours to fly from St. Louis Lambert International Airport (stl) to Heathrow Airport(lhr).
  • There are around 3 daily flights from St. Louis Lambert International Airport (STL) to Heathrow Airport (LHR).
  • Tickets cost around US$951 in July, making it the cheapest month to book. St. Louis Lambert International Airport (STL) to Heathrow Airport (LHR) is a popular route, so don't forget to book your tickets in advance.
  • 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 US$951 in July, 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.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

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Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, 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 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.