Trip.com
>
Cheap Flights
>
United States
>
Texas
>
Houston
>
St. Louis to Houston flight
>
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 ₹ 4,578 and round-trip from ₹ 14,321. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        STL 14:55
        2h 24m
        Direct
        IAH 17:19
        St. Louis - Houston | Thu, Nov 19 | United Airlines
        HOU 17:30
        2h
        Direct
        STL 19:30
        Houston - St. Louis | Sun, Nov 22 |
        ₹ 23,749 ₹ 31,569
        25% off
        25% off
        ₹ 31,569 ₹ 23,749
      • STL 15:13
        2h 12m
        Direct
        IAH 17:25
        St. Louis - Houston | Sat, Oct 10 | United Airlines
        HOU 07:10
        2h
        Direct
        STL 09:10
        Houston - St. Louis | Thu, Oct 15 |
        ₹ 23,992 ₹ 31,569
        24% off
        24% off
        ₹ 31,569 ₹ 23,992
      • STL 16:19
        8h 21m
        1 stop
        IAH 00:40
        St. Louis - Houston | Wed, Oct 21 | Frontier Airlines
        IAH 22:40
        20h 17m
        1 stop
        STL 18:57
        Houston - St. Louis | Fri, Oct 23 | Frontier Airlines
        ₹ 14,321 ₹ 31,569
        55% off
        55% off
        ₹ 31,569 ₹ 14,321
      • STL 13:28
        15h 42m
        1 stop
        IAH 05:10
        St. Louis - Houston | Mon, Nov 9 | Frontier Airlines
        IAH 12:19
        5h 21m
        1 stop
        STL 17:40
        Houston - St. Louis | Wed, Nov 11 | Frontier Airlines
        ₹ 14,393
        54% off
        ₹ 31,569 ₹ 14,393
      • STL 17:59
        6h 26m
        1 stop
        IAH 00:25
        St. Louis - Houston | Sat, Nov 21 | Frontier Airlines
        IAH 20:19
        27h 40m
        1 stop
        STL 23:59
        Houston - St. Louis | Mon, Nov 23 | Frontier Airlines
        ₹ 15,785
        50% off
        ₹ 31,569 ₹ 15,785
      • STL 19:59
        13h 53m
        1 stop
        IAH 09:52
        St. Louis - Houston | Fri, Nov 6 | Frontier Airlines
        IAH 12:19
        5h 21m
        1 stop
        STL 17:40
        Houston - St. Louis | Wed, Nov 11 | Frontier Airlines
        ₹ 16,717
        47% off
        ₹ 31,569 ₹ 16,717
      • STL 13:28
        15h 42m
        1 stop
        IAH 05:10
        St. Louis - Houston | Mon, Nov 16 | Frontier Airlines
        IAH 21:43
        17h 40m
        1 stop
        STL 15:23
        Houston - St. Louis | Tue, Nov 17 | Frontier Airlines
        ₹ 16,746
        47% off
        ₹ 31,569 ₹ 16,746
      • STL 16:30
        16h 57m
        1 stop
        IAH 09:27
        St. Louis - Houston | Thu, Oct 22 | Frontier Airlines
        IAH 06:05
        11h 35m
        1 stop
        STL 17:40
        Houston - St. Louis | Mon, Oct 26 | Frontier Airlines
        ₹ 17,220
        45% off
        ₹ 31,569 ₹ 17,220
      • STL 14:29
        8h 1m
        1 stop
        IAH 22:30
        St. Louis - Houston | Wed, Oct 7 | Frontier Airlines
        IAH 12:07
        5h 33m
        1 stop
        STL 17:40
        Houston - St. Louis | Wed, Oct 14 | Frontier Airlines
        ₹ 17,234
        45% off
        ₹ 31,569 ₹ 17,234
      • STL 16:30
        29h 8m
        1 stop
        IAH 21:38
        St. Louis - Houston | Thu, Oct 8 | Frontier Airlines
        IAH 20:35
        26h 38m
        1 stop
        STL 23:13
        Houston - St. Louis | Thu, Oct 15 | Frontier Airlines
        ₹ 17,650
        44% off
        ₹ 31,569 ₹ 17,650
      • STL 19:42
        13h 54m
        1 stop
        IAH 09:36
        St. Louis - Houston | Sat, Oct 10 | Frontier Airlines
        IAH 10:31
        8h 26m
        1 stop
        STL 18:57
        Houston - St. Louis | Sat, Oct 17 | Frontier Airlines
        ₹ 17,951
        43% off
        ₹ 31,569 ₹ 17,951
      • STL 19:59
        13h 53m
        1 stop
        IAH 09:52
        St. Louis - Houston | Fri, Oct 30 | Frontier Airlines
        IAH 06:40
        8h 43m
        1 stop
        STL 15:23
        Houston - St. Louis | Wed, Nov 4 | Frontier Airlines
        ₹ 18,253
        42% off
        ₹ 31,569 ₹ 18,253
      • STL 19:42
        13h 54m
        1 stop
        IAH 09:36
        St. Louis - Houston | Sat, Oct 24 | Frontier Airlines
        IAH 16:49
        19h 44m
        1 stop
        STL 12:33
        Houston - St. Louis | Thu, Oct 29 | Frontier Airlines
        ₹ 18,411
        42% off
        ₹ 31,569 ₹ 18,411
      • STL 13:00
        17h 25m
        1 stop
        HOU 14:00
        St. Louis - Houston | Wed, Oct 7 | Normal Airline
        HOU 15:00
        6h
        Direct
        STL 16:00
        Houston - St. Louis | Fri, Oct 9 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        STL 06:15
        2h 12m
        Direct
        IAH 08:27
        St. Louis - Houston | Sat, Oct 17 | United Airlines
        ₹ 13,517 ₹ 17,919
        25% off
        25% off
        ₹ 17,919 ₹ 13,517
      • STL 15:12
        2h 13m
        Direct
        IAH 17:25
        St. Louis - Houston | Sat, Nov 7 | United Airlines
        ₹ 13,618 ₹ 17,919
        24% off
        24% off
        ₹ 17,919 ₹ 13,618
      • STL 18:44
        12h 39m
        1 stop
        IAH 07:23
        St. Louis - Houston | Fri, Nov 20 | Frontier Airlines
        ₹ 4,578 ₹ 17,919
        74% off
        74% off
        ₹ 17,919 ₹ 4,578
      • STL 14:29
        8h 1m
        1 stop
        IAH 22:30
        St. Louis - Houston | Fri, Oct 23 | Frontier Airlines
        ₹ 4,736
        74% off
        ₹ 17,919 ₹ 4,736
      • STL 18:35
        27h 48m
        1 stop
        IAH 22:23
        St. Louis - Houston | Fri, Oct 30 | Frontier Airlines
        ₹ 4,865
        73% off
        ₹ 17,919 ₹ 4,865
      • STL 18:35
        12h 44m
        1 stop
        IAH 07:19
        St. Louis - Houston | Sun, Nov 8 | Frontier Airlines
        ₹ 5,324
        70% off
        ₹ 17,919 ₹ 5,324
      • STL 18:44
        27h 9m
        1 stop
        IAH 21:53
        St. Louis - Houston | Sun, Nov 15 | Frontier Airlines
        ₹ 5,381
        70% off
        ₹ 17,919 ₹ 5,381
      • STL 18:35
        17h 22m
        1 stop
        IAH 11:57
        St. Louis - Houston | Sun, Oct 25 | Frontier Airlines
        ₹ 5,410
        70% off
        ₹ 17,919 ₹ 5,410
      • STL 18:44
        12h 39m
        1 stop
        IAH 07:23
        St. Louis - Houston | Wed, Dec 2 | Frontier Airlines
        ₹ 5,769
        68% off
        ₹ 17,919 ₹ 5,769
      • STL 18:44
        12h 39m
        1 stop
        IAH 07:23
        St. Louis - Houston | Wed, Nov 18 | Frontier Airlines
        ₹ 5,855
        67% off
        ₹ 17,919 ₹ 5,855
      • STL 18:35
        12h 44m
        1 stop
        IAH 07:19
        St. Louis - Houston | Wed, Nov 4 | Frontier Airlines
        ₹ 6,056
        66% off
        ₹ 17,919 ₹ 6,056
      • STL 18:35
        12h 48m
        1 stop
        IAH 07:23
        St. Louis - Houston | Wed, Nov 11 | Frontier Airlines
        ₹ 6,257
        65% off
        ₹ 17,919 ₹ 6,257
      • STL 14:29
        16h 48m
        1 stop
        IAH 07:17
        St. Louis - Houston | Wed, Oct 7 | Frontier Airlines
        ₹ 6,285
        65% off
        ₹ 17,919 ₹ 6,285
      • STL 18:44
        12h 39m
        1 stop
        IAH 07:23
        St. Louis - Houston | Sun, Nov 22 | Frontier Airlines
        ₹ 6,285
        65% off
        ₹ 17,919 ₹ 6,285
      • STL 13:00
        17h 25m
        1 stop
        HOU 14:00
        St. Louis - Houston | Wed, Oct 7 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from St. Louis Lambert International Airport to George Bush Intercontinental Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com data.

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 ₹ 4,492) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From ₹ 4,492
Delta Air Lines
From ₹ 10,849
American Airlines
From ₹ 11,365
United Airlines
From ₹ 13,618

Find more flights and 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. AA1959

    St. Louis Lambert International Airport

    08:30

    STL

    2h

    Direct

    10:30

    DFW

    S M T W T F S
    Search

  2. AA1397

    Dallas Fort Worth International Airport

    12:04

    DFW

    1h 13m

    Direct

    13:17

    IAH

    S - T W T F S

  3. AA2761

    St. Louis Lambert International Airport

    18:43

    STL

    2h 2m

    Direct

    20:45

    DFW

    S M T W T F S
    Search

  4. AA3023

    Dallas Fort Worth International Airport

    22:46

    DFW

    1h 13m

    Direct

    23:59

    IAH

    S M T W T F S

  5. AA2299

    St. Louis Lambert International Airport

    12:47

    STL

    1h 55m

    Direct

    14:42

    DFW

    - M T - - F -
    Search

  6. AA3481

    Dallas Fort Worth International Airport

    18:02

    DFW

    1h 24m

    Direct

    19:26

    IAH

    S M T W T F S

  7. AA2208

    St. Louis Lambert International Airport

    11:31

    STL

    1h 28m

    Direct

    12:59

    ORD

    S M T W T F S
    Search

  8. AA3039

    O'Hare International Airport

    13:50

    ORD

    2h 53m

    Direct

    16:43

    IAH

    S M T W T F S

  9. AA1926

    St. Louis Lambert International Airport

    07:23

    STL

    1h 27m

    Direct

    08:50

    ORD

    S M T W T F S
    Search

  10. AA2504

    O'Hare International Airport

    07:21

    ORD

    2h 53m

    Direct

    10:14

    IAH

    S M T W T F S

  11. DL1102

    St. Louis Lambert International Airport

    14:25

    STL

    1h 35m

    Direct

    17:00

    ATL

    S M T W T F S
    Search

  12. DL1284

    Hartsfield–Jackson Atlanta International Airport

    19:53

    ATL

    2h 17m

    Direct

    21:10

    IAH

    S M T W T F S

  13. DL1524

    St. Louis Lambert International Airport

    06:00

    STL

    1h 40m

    Direct

    08:40

    ATL

    S M T W T F S
    Search

  14. DL2709

    Hartsfield–Jackson Atlanta International Airport

    12:15

    ATL

    2h 18m

    Direct

    13:33

    IAH

    S M T W T F S

  15. F94567

    St. Louis Lambert International Airport

    19:42

    STL

    2h 27m

    Direct

    21:09

    DEN

    - - T - T F -
    Search

  16. F93228

    Denver International Airport

    18:36

    DEN

    2h 28m

    Direct

    22:04

    IAH

    S - - W T F S

  17. DL1102

    St. Louis Lambert International Airport

    14:25

    STL

    1h 35m

    Direct

    17:00

    ATL

    S M T W T F S
    Search

  18. DL1892

    Hartsfield–Jackson Atlanta International Airport

    20:29

    ATL

    2h 8m

    Direct

    21:37

    IAH

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

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 ₹ 4,578
Cheapest return ticket price ₹ 14,321

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 43 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 15:13, with about 9 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 ₹ 31,339 in October, 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 ₹ 4,578, and round-trip fares start from ₹ 14,321. The current lowest fare is a Frontier Airlines flight departing on Fri, Nov 20; 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 37 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 ₹ 19,399. 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