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St. Louis Lambert International Airport to George Bush Intercontinental Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to George Bush Intercontinental Airport over the next 90 days, with one-way fares from RUB 3,788 and round-trip from RUB 12,076. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      STL 14:55
      2h 24m
      Direct
      IAH 17:19
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      HOU 17:30
      2h
      Direct
      STL 19:30
      Houston - St. Louis | Wed, Nov 25 |
      RUB 20,025 RUB 25,092
      20% off
      20% off
      RUB 25,092 RUB 20,025
    • STL 06:15
      2h 12m
      Direct
      IAH 08:27
      St. Louis - Houston | Fri, Nov 6 | United Airlines
      HOU 07:15
      2h
      Direct
      STL 09:15
      Houston - St. Louis | Tue, Nov 10 |
      RUB 21,077 RUB 25,092
      16% off
      16% off
      RUB 25,092 RUB 21,077
    • STL 16:19
      8h 21m
      1 stop
      IAH 00:40
      St. Louis - Houston | Thu, Nov 12 | Frontier Airlines
      IAH 22:40
      20h 17m
      1 stop
      STL 18:57
      Houston - St. Louis | Sat, Nov 14 | Frontier Airlines
      RUB 12,076 RUB 25,092
      52% off
      52% off
      RUB 25,092 RUB 12,076
    • STL 13:28
      15h 42m
      1 stop
      IAH 05:10
      St. Louis - Houston | Tue, Dec 1 | Frontier Airlines
      IAH 12:19
      5h 21m
      1 stop
      STL 17:40
      Houston - St. Louis | Thu, Dec 3 | Frontier Airlines
      RUB 12,136
      52% off
      RUB 25,092 RUB 12,136
    • STL 17:59
      6h 26m
      1 stop
      IAH 00:25
      St. Louis - Houston | Sun, Dec 13 | Frontier Airlines
      IAH 20:19
      27h 40m
      1 stop
      STL 23:59
      Houston - St. Louis | Tue, Dec 15 | Frontier Airlines
      RUB 13,310
      47% off
      RUB 25,092 RUB 13,310
    • STL 19:59
      13h 53m
      1 stop
      IAH 09:52
      St. Louis - Houston | Sat, Nov 28 | Frontier Airlines
      IAH 12:19
      5h 21m
      1 stop
      STL 17:40
      Houston - St. Louis | Thu, Dec 3 | Frontier Airlines
      RUB 14,096
      44% off
      RUB 25,092 RUB 14,096
    • STL 13:28
      15h 42m
      1 stop
      IAH 05:10
      St. Louis - Houston | Tue, Dec 8 | Frontier Airlines
      IAH 21:43
      17h 40m
      1 stop
      STL 15:23
      Houston - St. Louis | Wed, Dec 9 | Frontier Airlines
      RUB 14,120
      44% off
      RUB 25,092 RUB 14,120
    • STL 16:30
      16h 57m
      1 stop
      IAH 09:27
      St. Louis - Houston | Fri, Nov 13 | Frontier Airlines
      IAH 06:05
      11h 35m
      1 stop
      STL 17:40
      Houston - St. Louis | Tue, Nov 17 | Frontier Airlines
      RUB 14,520
      42% off
      RUB 25,092 RUB 14,520
    • STL 14:29
      8h 1m
      1 stop
      IAH 22:30
      St. Louis - Houston | Thu, Oct 29 | Frontier Airlines
      IAH 12:07
      5h 33m
      1 stop
      STL 17:40
      Houston - St. Louis | Thu, Nov 5 | Frontier Airlines
      RUB 14,532
      42% off
      RUB 25,092 RUB 14,532
    • STL 13:00
      17h 25m
      1 stop
      HOU 14:00
      St. Louis - Houston | Wed, Oct 28 | Normal Airline
      HOU 15:00
      6h
      Direct
      STL 16:00
      Houston - St. Louis | Fri, Oct 30 | Normal Airline
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    • Cheapest
      STL 18:34
      27h 39m
      1 stop
      IAH 22:13
      St. Louis - Houston | Tue, Dec 1 | Frontier Airlines
      RUB 3,788 RUB 13,728
      72% off
      72% off
      RUB 13,728 RUB 3,788
    • STL 18:44
      12h 39m
      1 stop
      IAH 07:23
      St. Louis - Houston | Thu, Nov 26 | Frontier Airlines
      RUB 3,860 RUB 13,728
      72% off
      72% off
      RUB 13,728 RUB 3,860
    • STL 18:44
      16h 50m
      1 stop
      IAH 11:34
      St. Louis - Houston | Tue, Nov 24 | Frontier Airlines
      RUB 4,223 RUB 13,728
      69% off
      69% off
      RUB 13,728 RUB 4,223
    • STL 18:44
      12h 39m
      1 stop
      IAH 07:23
      St. Louis - Houston | Thu, Nov 19 | Frontier Airlines
      RUB 4,429
      68% off
      RUB 13,728 RUB 4,429
    • STL 18:35
      12h 44m
      1 stop
      IAH 07:19
      St. Louis - Houston | Sat, Nov 14 | Frontier Airlines
      RUB 4,489
      67% off
      RUB 13,728 RUB 4,489
    • STL 18:44
      12h 39m
      1 stop
      IAH 07:23
      St. Louis - Houston | Sat, Nov 28 | Frontier Airlines
      RUB 4,514
      67% off
      RUB 13,728 RUB 4,514
    • STL 14:29
      8h 1m
      1 stop
      IAH 22:30
      St. Louis - Houston | Thu, Oct 29 | Frontier Airlines
      RUB 4,768
      65% off
      RUB 13,728 RUB 4,768
    • STL 18:35
      17h 15m
      1 stop
      IAH 11:50
      St. Louis - Houston | Tue, Dec 22 | Frontier Airlines
      RUB 4,852
      65% off
      RUB 13,728 RUB 4,852
    • STL 18:35
      12h 44m
      1 stop
      IAH 07:19
      St. Louis - Houston | Tue, Nov 10 | Frontier Airlines
      RUB 5,106
      63% off
      RUB 13,728 RUB 5,106
    • STL 13:00
      17h 25m
      1 stop
      HOU 14:00
      St. Louis - Houston | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      STL 14:55
      2h 24m
      Direct
      IAH 17:19
      St. Louis - Houston | Sat, Nov 14 | United Airlines
      RUB 11,156 RUB 35,449
      69% off
      69% off
      RUB 35,449 RUB 11,156
    • STL 15:12
      2h 13m
      Direct
      IAH 17:25
      St. Louis - Houston | Tue, Nov 10 | United Airlines
      RUB 11,483 RUB 13,728
      16% off
      16% off
      RUB 13,728 RUB 11,483
    • STL 06:15
      2h 12m
      Direct
      IAH 08:27
      St. Louis - Houston | Thu, Oct 29 | United Airlines
      RUB 11,531 RUB 13,728
      16% off
      16% off
      RUB 13,728 RUB 11,531
    • STL 06:15
      2h 20m
      Direct
      IAH 08:35
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      RUB 15,512
      56% off
      RUB 35,449 RUB 15,512
    • STL 08:30
      2h 31m
      Direct
      IAH 11:01
      St. Louis - Houston | Sun, Dec 13 | United Airlines
      RUB 19,311
      46% off
      RUB 35,449 RUB 19,311
    • STL 17:55
      2h 30m
      Direct
      IAH 20:25
      St. Louis - Houston | Mon, Nov 16 | United Airlines
      RUB 22,771
      36% off
      RUB 35,449 RUB 22,771
    • STL 14:55
      2h 24m
      Direct
      IAH 17:19
      St. Louis - Houston | Tue, Nov 3 | United Airlines
      RUB 23,642
      33% off
      RUB 35,449 RUB 23,642
    • STL 17:55
      2h 30m
      Direct
      IAH 20:25
      St. Louis - Houston | Fri, Oct 30 | United Airlines
      RUB 29,777
      16% off
      RUB 35,449 RUB 29,777
    • STL 13:00
      17h 25m
      1 stop
      HOU 14:00
      St. Louis - Houston | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      STL 14:55
      2h 24m
      Direct
      IAH 17:19
      St. Louis - Houston | Sat, Nov 14 | United Airlines
      RUB 11,156 RUB 36,140
      69% off
      69% off
      RUB 36,140 RUB 11,156
    • STL 06:15
      2h 20m
      Direct
      IAH 08:35
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      RUB 15,512 RUB 36,140
      56% off
      56% off
      RUB 36,140 RUB 15,512
    • STL 08:30
      2h 31m
      Direct
      IAH 11:01
      St. Louis - Houston | Sun, Dec 13 | United Airlines
      RUB 19,311 RUB 36,140
      47% off
      47% off
      RUB 36,140 RUB 19,311
    • STL 17:55
      2h 30m
      Direct
      IAH 20:25
      St. Louis - Houston | Mon, Nov 16 | United Airlines
      RUB 22,771
      37% off
      RUB 36,140 RUB 22,771
    • STL 14:55
      2h 24m
      Direct
      IAH 17:19
      St. Louis - Houston | Tue, Nov 3 | United Airlines
      RUB 23,642
      35% off
      RUB 36,140 RUB 23,642
    • STL 17:55
      2h 30m
      Direct
      IAH 20:25
      St. Louis - Houston | Fri, Oct 30 | United Airlines
      RUB 29,777
      18% off
      RUB 36,140 RUB 29,777
    • STL 14:54
      4h 26m
      1 stop
      IAH 19:20
      St. Louis - Houston | Sun, Dec 13 | American Airlines
      RUB 15,233
      57% off
      RUB 36,140 RUB 15,233
    • STL 11:35
      4h 56m
      1 stop
      IAH 16:31
      St. Louis - Houston | Tue, Nov 3 | American Airlines
      RUB 20,424
      43% off
      RUB 36,140 RUB 20,424
    • STL 10:25
      4h 34m
      1 stop
      IAH 14:59
      St. Louis - Houston | Tue, Nov 3 | Delta Air Lines
      RUB 20,484
      43% off
      RUB 36,140 RUB 20,484
    • STL 13:00
      17h 25m
      1 stop
      HOU 14:00
      St. Louis - Houston | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      STL 17:55
      2h 30m
      Direct
      IAH 20:25
      St. Louis - Houston | Fri, Oct 30 | United Airlines
      RUB 29,777 RUB 36,140
      18% off
      18% off
      RUB 36,140 RUB 29,777
    • STL 08:48
      4h 24m
      1 stop
      IAH 13:12
      St. Louis - Houston | Fri, Oct 30 | American Airlines
      RUB 30,357 RUB 36,140
      16% off
      16% off
      RUB 36,140 RUB 30,357
    • STL 13:00
      17h 25m
      1 stop
      HOU 14:00
      St. Louis - Houston | Wed, Oct 28 | Normal Airline
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    • STL 06:15
      2h 12m
      Direct
      IAH 08:27
      St. Louis - Houston | Thu, Oct 29 | United Airlines
      RUB 11,531 RUB 13,728
      16% off
      16% off
      RUB 13,728 RUB 11,531
    • STL 15:12
      2h 13m
      Direct
      IAH 17:25
      St. Louis - Houston | Tue, Nov 10 | United Airlines
      RUB 11,483 RUB 13,728
      16% off
      16% off
      RUB 13,728 RUB 11,483
    • STL 06:15
      2h 20m
      Direct
      IAH 08:35
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      RUB 15,512 RUB 35,449
      56% off
      56% off
      RUB 35,449 RUB 15,512
    • STL 14:55
      2h 24m
      Direct
      IAH 17:19
      St. Louis - Houston | Sat, Nov 14 | United Airlines
      RUB 11,156
      69% off
      RUB 35,449 RUB 11,156
    • STL 14:55
      2h 24m
      Direct
      IAH 17:19
      St. Louis - Houston | Tue, Nov 3 | United Airlines
      RUB 23,642
      33% off
      RUB 35,449 RUB 23,642
    • STL 17:55
      2h 30m
      Direct
      IAH 20:25
      St. Louis - Houston | Mon, Nov 16 | United Airlines
      RUB 22,771
      36% off
      RUB 35,449 RUB 22,771
    • STL 17:55
      2h 30m
      Direct
      IAH 20:25
      St. Louis - Houston | Fri, Oct 30 | United Airlines
      RUB 29,777
      16% off
      RUB 35,449 RUB 29,777
    • STL 08:30
      2h 31m
      Direct
      IAH 11:01
      St. Louis - Houston | Sun, Dec 13 | United Airlines
      RUB 19,311
      46% off
      RUB 35,449 RUB 19,311
    • STL 14:29
      8h 1m
      1 stop
      IAH 22:30
      St. Louis - Houston | Thu, Oct 29 | Frontier Airlines
      RUB 4,768
      65% off
      RUB 13,728 RUB 4,768
    • STL 13:00
      17h 25m
      1 stop
      HOU 14:00
      St. Louis - Houston | Wed, Oct 28 | Normal Airline
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Displayed flight fares from St. Louis to Houston 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 George Bush Intercontinental Airport?

The cheapest airline flying from St. Louis Lambert International Airport to George Bush Intercontinental Airport is Frontier Airlines (from RUB 3,788) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From RUB 3,788
Delta Air Lines
From RUB 9,148
American Airlines
From RUB 9,583
United Airlines
From RUB 11,483

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What is the flight schedule from St. Louis Lambert International Airport to George Bush Intercontinental Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL1571

    St. Louis Lambert International Airport

    10:14

    STL

    1h 35m

    Direct

    12:49

    ATL

    S M T W T F S
    Search

  2. DL1874

    Hartsfield–Jackson Atlanta International Airport

    14:37

    ATL

    2h 10m

    Direct

    15:47

    IAH

    S M T W T F S

  3. DL1393

    St. Louis Lambert International Airport

    19:20

    STL

    1h 40m

    Direct

    22:00

    ATL

    - M T W T - -
    Search

  4. DL1601

    Hartsfield–Jackson Atlanta International Airport

    22:40

    ATL

    2h 18m

    Direct

    23:58

    IAH

    S M T W T F S

  5. AA2261

    St. Louis Lambert International Airport

    05:40

    STL

    2h

    Direct

    07:40

    DFW

    S M T W T F -
    Search

  6. AA5188

    Dallas Fort Worth International Airport

    08:30

    DFW

    1h 24m

    Direct

    09:54

    IAH

    S - - - - - S

  7. AA1410

    St. Louis Lambert International Airport

    12:08

    STL

    1h 58m

    Direct

    14:06

    DFW

    S - - - - - S
    Search

  8. AA2076

    Dallas Fort Worth International Airport

    09:40

    DFW

    1h 19m

    Direct

    10:59

    IAH

    S - - - - - -

  9. AA363

    St. Louis Lambert International Airport

    05:01

    STL

    1h 29m

    Direct

    06:30

    ORD

    S - - - - - S
    Search

  10. AA2603

    O'Hare International Airport

    07:21

    ORD

    2h 54m

    Direct

    10:15

    IAH

    S - - - - - S

  11. DL1524

    St. Louis Lambert International Airport

    06:00

    STL

    1h 44m

    Direct

    08:44

    ATL

    S M T W T F S
    Search

  12. DL1682

    Hartsfield–Jackson Atlanta International Airport

    09:13

    ATL

    2h 25m

    Direct

    10:38

    IAH

    S M T W T F S

  13. AA2103

    St. Louis Lambert International Airport

    14:54

    STL

    2h 5m

    Direct

    16:59

    DFW

    S - - - - - S
    Search

  14. AA1392

    Dallas Fort Worth International Airport

    19:15

    DFW

    1h 14m

    Direct

    20:29

    IAH

    S M T W T F S

  15. F94567

    St. Louis Lambert International Airport

    19:54

    STL

    2h 31m

    Direct

    21:25

    DEN

    S - T - T F -
    Search

  16. F93230

    Denver International Airport

    14:59

    DEN

    2h 28m

    Direct

    18:27

    IAH

    - M - - - - -

  17. F92636

    St. Louis Lambert International Airport

    16:30

    STL

    2h 28m

    Direct

    19:58

    MCO

    S - - W T F S
    Search

  18. F93469

    Orlando International Airport

    19:45

    MCO

    2h 53m

    Direct

    21:38

    IAH

    S M T W T F S

  19. F94567

    St. Louis Lambert International Airport

    19:54

    STL

    2h 31m

    Direct

    21:25

    DEN

    S - T - T F -
    Search

  20. F92996

    Denver International Airport

    21:59

    DEN

    2h 30m

    Direct

    01:29

    IAH

    S M T W T F S
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About St. Louis Lambert International Airport and George Bush Intercontinental Airport

Learn about St. Louis Lambert International Airport (STL) and George Bush Intercontinental Airport (IAH) — including location, terminals, transportation, and travel tips.

Flight distance 1,076.39km
Cheapest one-way ticket price RUB 3,788
Cheapest return ticket price RUB 12,076

FAQs for St. Louis Lambert International Airport to George Bush Intercontinental Airport Flights

  • How long is the flight from St. Louis Lambert International Airport to George Bush Intercontinental Airport?

    St. Louis Lambert International Airport to George Bush Intercontinental Airport takes about 1 hour 47 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 5 daily flights from St. Louis Lambert International Airport (STL) to George Bush Intercontinental Airport (IAH).
  • The earliest flight from St. Louis Lambert International Airport to George Bush Intercontinental Airport departs at 06:15, and the last departs at 15:12, with about 4 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 George Bush Intercontinental Airport (IAH) is quite popular. Without considering departure times or holidays, tickets cost around RUB 21,077 in November, the most expensive month to book this route.
  • United Airlines is a very popular airline operating an average of 807 flights per month.
  • One-way flights from St. Louis Lambert International Airport to George Bush Intercontinental Airport currently start from RUB 3,788, and round-trip fares start from RUB 12,076. The current lowest fare is a Frontier Airlines flight departing on Tue, Dec 1; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from St. Louis Lambert International Airport to George Bush Intercontinental Airport, with an average flight time of 1 hour 38 minutes, and around 27 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 George Bush Intercontinental Airport is RUB 18,474. Prices may vary depending on the departure date, airline, and availability.
  • St. Louis Lambert International Airport to George Bush Intercontinental Airport operates around 27 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter St. Louis Lambert International Airport and George Bush Intercontinental 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.

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.