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

Cheapest one-way
SAR 177
Frontier Airlines Frontier Airlines 27h 39m · 1 stop Tue, Nov 17
Select flight
Cheapest round-trip
SAR 565
Frontier Airlines Frontier Airlines 15h 42m · 2 stops Tue, Nov 17 - Thu, Nov 19
Select flight
Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From SAR 177 United Airlines United AirlinesMost booked

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 SAR 177 and round-trip from SAR 565. Based on Trip.com's latest 7-day flight data.

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    • Cheapest nonstop
      STL 6:00 AM
      2h 21m
      Nonstop
      IAH 8:21 AM
      St. Louis - Houston | Fri, Dec 11 | United Airlines
      HOU 11:05 AM
      2h
      Nonstop
      STL 1:05 PM
      Houston - St. Louis | Tue, Dec 15 |
      SAR 967 SAR 1,185
      18% off
      18% off
      SAR 1,185 SAR 967
    • STL 6:15 AM
      2h 20m
      Nonstop
      IAH 8:35 AM
      St. Louis - Houston | Tue, Dec 1 | United Airlines
      HOU 8:35 PM
      2h 5m
      Nonstop
      STL 10:40 PM
      Houston - St. Louis | Sat, Dec 5 |
      SAR 971 SAR 1,185
      18% off
      18% off
      SAR 1,185 SAR 971
    • STL 1:28 PM
      15h 42m
      1 stop
      IAH 5:10 AM
      St. Louis - Houston | Tue, Nov 17 | Frontier Airlines
      IAH 12:19 PM
      5h 21m
      1 stop
      STL 5:40 PM
      Houston - St. Louis | Thu, Nov 19 | Frontier Airlines
      SAR 565 SAR 1,185
      52% off
      52% off
      SAR 1,185 SAR 565
    • STL 12:02 PM
      5h 27m
      1 stop
      IAH 5:29 PM
      St. Louis - Houston | Thu, Dec 17 | Frontier Airlines
      IAH 12:12 PM
      22h 52m
      1 stop
      STL 11:04 AM
      Houston - St. Louis | Wed, Dec 23 | Frontier Airlines
      SAR 570
      52% off
      SAR 1,185 SAR 570
    • STL 5:59 PM
      6h 26m
      1 stop
      IAH 12:25 AM
      St. Louis - Houston | Sun, Nov 29 | Frontier Airlines
      IAH 8:19 PM
      27h 40m
      1 stop
      STL 11:59 PM
      Houston - St. Louis | Tue, Dec 1 | Frontier Airlines
      SAR 619
      48% off
      SAR 1,185 SAR 619
    • STL 1:28 PM
      15h 42m
      1 stop
      IAH 5:10 AM
      St. Louis - Houston | Tue, Nov 24 | Frontier Airlines
      IAH 9:43 PM
      17h 40m
      1 stop
      STL 3:23 PM
      Houston - St. Louis | Wed, Nov 25 | Frontier Airlines
      SAR 657
      45% off
      SAR 1,185 SAR 657
    • STL 12:02 PM
      5h 29m
      1 stop
      IAH 5:31 PM
      St. Louis - Houston | Sat, Dec 12 | Frontier Airlines
      IAH 7:39 PM
      28h 33m
      1 stop
      STL 12:12 AM
      Houston - St. Louis | Tue, Dec 15 | Frontier Airlines
      SAR 666
      44% off
      SAR 1,185 SAR 666
    • STL 6:21 PM
      6h 5m
      1 stop
      IAH 12:26 AM
      St. Louis - Houston | Sat, Dec 26 | Frontier Airlines
      IAH 12:20 PM
      28h 22m
      1 stop
      STL 4:42 PM
      Houston - St. Louis | Tue, Dec 29 | Frontier Airlines
      SAR 675
      43% off
      SAR 1,185 SAR 675
    • STL 12:02 PM
      5h 27m
      1 stop
      IAH 5:29 PM
      St. Louis - Houston | Thu, Dec 24 | Frontier Airlines
      IAH 8:49 PM
      19h 53m
      1 stop
      STL 4:42 PM
      Houston - St. Louis | Thu, Dec 31 | Frontier Airlines
      SAR 695
      41% off
      SAR 1,185 SAR 695
    • STL 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      St. Louis - Houston | Tue, Nov 17 | Normal Airline
      HOU 3:00 PM
      6h
      Nonstop
      STL 4:00 PM
      Houston - St. Louis | Thu, Nov 19 | Normal Airline
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    • Cheapest
      STL 6:34 PM
      27h 39m
      1 stop
      IAH 10:13 PM
      St. Louis - Houston | Tue, Nov 17 | Frontier Airlines
      SAR 177 SAR 1,572
      89% off
      89% off
      SAR 1,572 SAR 177
    • STL 12:02 PM
      20h 43m
      1 stop
      IAH 8:45 AM
      St. Louis - Houston | Sat, Dec 19 | Frontier Airlines
      SAR 206 SAR 1,572
      87% off
      87% off
      SAR 1,572 SAR 206
    • STL 12:02 PM
      20h 43m
      1 stop
      IAH 8:45 AM
      St. Louis - Houston | Tue, Dec 22 | Frontier Airlines
      SAR 211 SAR 1,572
      87% off
      87% off
      SAR 1,572 SAR 211
    • STL 12:02 PM
      20h 43m
      1 stop
      IAH 8:45 AM
      St. Louis - Houston | Sat, Dec 12 | Frontier Airlines
      SAR 223
      86% off
      SAR 1,572 SAR 223
    • STL 6:21 PM
      6h 5m
      1 stop
      IAH 12:26 AM
      St. Louis - Houston | Sat, Jan 2 | Frontier Airlines
      SAR 276
      82% off
      SAR 1,572 SAR 276
    • STL 12:02 PM
      23h 44m
      1 stop
      IAH 11:46 AM
      St. Louis - Houston | Tue, Dec 15 | Frontier Airlines
      SAR 287
      82% off
      SAR 1,572 SAR 287
    • STL 2:59 PM
      7h 8m
      1 stop
      IAH 10:07 PM
      St. Louis - Houston | Thu, Dec 10 | Frontier Airlines
      SAR 311
      80% off
      SAR 1,572 SAR 311
    • STL 6:34 PM
      12h 49m
      1 stop
      IAH 7:23 AM
      St. Louis - Houston | Sat, Nov 21 | Frontier Airlines
      SAR 321
      80% off
      SAR 1,572 SAR 321
    • STL 6:09 PM
      6h 16m
      1 stop
      IAH 12:25 AM
      St. Louis - Houston | Fri, Dec 4 | Frontier Airlines
      SAR 333
      79% off
      SAR 1,572 SAR 333
    • STL 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      St. Louis - Houston | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      STL 3:03 PM
      2h 22m
      Nonstop
      IAH 5:25 PM
      St. Louis - Houston | Sat, Jan 9 | United Airlines
      SAR 573 SAR 1,572
      64% off
      64% off
      SAR 1,572 SAR 573
    • STL 6:00 AM
      2h 21m
      Nonstop
      IAH 8:21 AM
      St. Louis - Houston | Thu, Dec 10 | United Airlines
      SAR 589 SAR 1,572
      63% off
      63% off
      SAR 1,572 SAR 589
    • STL 6:15 AM
      2h 20m
      Nonstop
      IAH 8:35 AM
      St. Louis - Houston | Fri, Nov 27 | United Airlines
      SAR 710 SAR 1,649
      56% off
      56% off
      SAR 1,649 SAR 710
    • STL 8:30 AM
      2h 31m
      Nonstop
      IAH 11:01 AM
      St. Louis - Houston | Fri, Dec 4 | United Airlines
      SAR 713
      56% off
      SAR 1,649 SAR 713
    • STL 6:15 AM
      2h 20m
      Nonstop
      IAH 8:35 AM
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      SAR 722
      56% off
      SAR 1,649 SAR 722
    • STL 8:30 AM
      2h 31m
      Nonstop
      IAH 11:01 AM
      St. Louis - Houston | Sun, Dec 13 | United Airlines
      SAR 898
      46% off
      SAR 1,649 SAR 898
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Tue, Nov 24 | United Airlines
      SAR 1,110
      33% off
      SAR 1,649 SAR 1,110
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Mon, Nov 30 | United Airlines
      SAR 1,115
      32% off
      SAR 1,649 SAR 1,115
    • STL 8:30 AM
      2h 31m
      Nonstop
      IAH 11:01 AM
      St. Louis - Houston | Tue, Dec 1 | United Airlines
      SAR 1,152
      30% off
      SAR 1,649 SAR 1,152
    • STL 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      St. Louis - Houston | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      STL 6:15 AM
      2h 20m
      Nonstop
      IAH 8:35 AM
      St. Louis - Houston | Fri, Nov 27 | United Airlines
      SAR 710 SAR 1,724
      59% off
      59% off
      SAR 1,724 SAR 710
    • STL 8:30 AM
      2h 31m
      Nonstop
      IAH 11:01 AM
      St. Louis - Houston | Fri, Dec 4 | United Airlines
      SAR 713 SAR 1,724
      59% off
      59% off
      SAR 1,724 SAR 713
    • STL 6:15 AM
      2h 20m
      Nonstop
      IAH 8:35 AM
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      SAR 722 SAR 1,724
      57% off
      57% off
      SAR 1,724 SAR 722
    • STL 8:30 AM
      2h 31m
      Nonstop
      IAH 11:01 AM
      St. Louis - Houston | Sun, Dec 13 | United Airlines
      SAR 898
      48% off
      SAR 1,724 SAR 898
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Tue, Nov 24 | United Airlines
      SAR 1,110
      36% off
      SAR 1,724 SAR 1,110
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Mon, Nov 30 | United Airlines
      SAR 1,115
      35% off
      SAR 1,724 SAR 1,115
    • STL 8:30 AM
      2h 31m
      Nonstop
      IAH 11:01 AM
      St. Louis - Houston | Tue, Dec 1 | United Airlines
      SAR 1,152
      33% off
      SAR 1,724 SAR 1,152
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Mon, Nov 16 | United Airlines
      SAR 1,352
      22% off
      SAR 1,724 SAR 1,352
    • STL 2:54 PM
      4h 26m
      1 stop
      IAH 7:20 PM
      St. Louis - Houston | Sun, Dec 13 | American Airlines
      SAR 708
      59% off
      SAR 1,724 SAR 708
    • STL 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      St. Louis - Houston | Tue, Nov 17 | Normal Airline
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    • STL 2:54 PM
      4h 26m
      1 stop
      IAH 7:20 PM
      St. Louis - Houston | Mon, Nov 16 | American Airlines
      SAR 1,413 SAR 1,724
      18% off
      18% off
      SAR 1,724 SAR 1,413
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Mon, Nov 16 | United Airlines
      SAR 1,352 SAR 1,724
      22% off
      22% off
      SAR 1,724 SAR 1,352
    • STL 6:15 AM
      2h 20m
      Nonstop
      IAH 8:35 AM
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      SAR 722 SAR 1,724
      57% off
      57% off
      SAR 1,724 SAR 722
    • STL 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      St. Louis - Houston | Tue, Nov 17 | Normal Airline
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    • STL 6:15 AM
      2h 20m
      Nonstop
      IAH 8:35 AM
      St. Louis - Houston | Fri, Nov 27 | United Airlines
      SAR 710 SAR 1,649
      56% off
      56% off
      SAR 1,649 SAR 710
    • STL 6:15 AM
      2h 20m
      Nonstop
      IAH 8:35 AM
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      SAR 722 SAR 1,649
      56% off
      56% off
      SAR 1,649 SAR 722
    • STL 6:00 AM
      2h 21m
      Nonstop
      IAH 8:21 AM
      St. Louis - Houston | Thu, Dec 10 | United Airlines
      SAR 589 SAR 1,572
      63% off
      63% off
      SAR 1,572 SAR 589
    • STL 3:03 PM
      2h 22m
      Nonstop
      IAH 5:25 PM
      St. Louis - Houston | Sat, Jan 9 | United Airlines
      SAR 573
      64% off
      SAR 1,572 SAR 573
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Tue, Nov 24 | United Airlines
      SAR 1,110
      33% off
      SAR 1,649 SAR 1,110
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Mon, Nov 30 | United Airlines
      SAR 1,115
      32% off
      SAR 1,649 SAR 1,115
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Mon, Nov 16 | United Airlines
      SAR 1,352
      18% off
      SAR 1,649 SAR 1,352
    • STL 8:30 AM
      2h 31m
      Nonstop
      IAH 11:01 AM
      St. Louis - Houston | Fri, Dec 4 | United Airlines
      SAR 713
      56% off
      SAR 1,649 SAR 713
    • STL 8:30 AM
      2h 31m
      Nonstop
      IAH 11:01 AM
      St. Louis - Houston | Sun, Dec 13 | United Airlines
      SAR 898
      46% off
      SAR 1,649 SAR 898
    • STL 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      St. Louis - Houston | Tue, Nov 17 | 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 SAR 177) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.
Frontier Airlines logo Frontier Airlines American Airlines logo American Airlines Delta Air Lines logo Delta Air Lines United Airlines logo United Airlines Alaska Airlines logo Alaska Airlines
United Airlines logo United Airlines

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. DL1524

    St. Louis Lambert International Airport

    6:00 AM

    STL

    1h 40m

    Nonstop

    8:40 AM

    ATL

    S M T W T F S
    Search

  2. DL1682

    Hartsfield–Jackson Atlanta International Airport

    9:45 AM

    ATL

    2h 21m

    Nonstop

    11:06 AM

    IAH

    S M T W T F S

  3. AA2103

    St. Louis Lambert International Airport

    8:26 AM

    STL

    2h 9m

    Nonstop

    10:35 AM

    DFW

    S M T - - - -
    Search

  4. AA1392

    Dallas Fort Worth International Airport

    7:33 PM

    DFW

    1h 17m

    Nonstop

    8:50 PM

    IAH

    S M T W T F S

  5. F94474

    St. Louis Lambert International Airport

    6:34 PM

    STL

    1h 50m

    Nonstop

    9:24 PM

    ATL

    S - T W T - -
    Search

  6. F94075

    Hartsfield–Jackson Atlanta International Airport

    8:29 PM

    ATL

    2h 24m

    Nonstop

    9:53 PM

    IAH

    S M T W - - -

  7. DL1102

    St. Louis Lambert International Airport

    2:31 PM

    STL

    1h 34m

    Nonstop

    5:05 PM

    ATL

    S M T W T F S
    Search

  8. DL2354

    Hartsfield–Jackson Atlanta International Airport

    7:40 PM

    ATL

    2h 18m

    Nonstop

    8:58 PM

    IAH

    - - - - - F -

  9. F94567

    St. Louis Lambert International Airport

    7:51 PM

    STL

    2h 28m

    Nonstop

    9:19 PM

    DEN

    S - T W T F -
    Search

  10. F93228

    Denver International Airport

    2:59 PM

    DEN

    2h 28m

    Nonstop

    6:27 PM

    IAH

    S M T W T F S

  11. F93107

    St. Louis Lambert International Airport

    2:02 PM

    STL

    3h 36m

    Nonstop

    3:38 PM

    LAS

    S - - W - F S
    Search

  12. F91966

    Harry Reid Intl. Airport

    2:42 PM

    LAS

    3h 14m

    Nonstop

    7:56 PM

    IAH

    - M T - - - -

  13. F94474

    St. Louis Lambert International Airport

    6:34 PM

    STL

    1h 50m

    Nonstop

    9:24 PM

    ATL

    S - T W T - -
    Search

  14. F91403

    Hartsfield–Jackson Atlanta International Airport

    1:10 PM

    ATL

    2h 27m

    Nonstop

    2:37 PM

    IAH

    S M - W T F S

  15. F94567

    St. Louis Lambert International Airport

    7:51 PM

    STL

    2h 28m

    Nonstop

    9:19 PM

    DEN

    S - T W T F -
    Search

  16. F93206

    Denver International Airport

    6:10 AM

    DEN

    2h 42m

    Nonstop

    9:52 AM

    IAH

    S M T W T F S

  17. F92636

    St. Louis Lambert International Airport

    4:26 PM

    STL

    2h 24m

    Nonstop

    7:50 PM

    MCO

    S - - W T F S
    Search

  18. F92029

    Orlando Intl. Airport

    6:55 AM

    MCO

    2h 57m

    Nonstop

    8:52 AM

    IAH

    - - - - T F S

  19. DL543

    St. Louis Lambert International Airport

    6:08 PM

    STL

    1h 42m

    Nonstop

    8:50 PM

    ATL

    S M T W T F S
    Search

  20. F91403

    Hartsfield–Jackson Atlanta International Airport

    1:10 PM

    ATL

    2h 27m

    Nonstop

    2:37 PM

    IAH

    S M - W T F S
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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 46 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 4 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 17:55, with about 6 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 SAR 1,394 in November, the most expensive month to book this route.
  • The earliest flight departs from St. Louis Lambert International Airport (STL) at 06:15 and arrives in George Bush Intercontinental Airport (IAH) at 08:34.
  • The latest flight departs from St. Louis Lambert International Airport (STL) at 17:11 and arrives in George Bush Intercontinental Airport (IAH) at 19:28.
  • 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 SAR 177, and round-trip fares start from SAR 565. The current lowest fare is a Frontier Airlines flight departing on Tue, Nov 17; 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 41 minutes, and around 32 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 SAR 859. Prices may vary depending on the departure date, airline, and availability.
  • St. Louis Lambert International Airport to George Bush Intercontinental Airport operates around 33 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.

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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.