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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
€43
Frontier Airlines Frontier Airlines 27h 39m · 1 stop Fri, Nov 20
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Cheapest return
€137
Frontier Airlines Frontier Airlines 15h 42m · 2 stops Fri, Nov 20 - Sun, Nov 22
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Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From €43 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 €43 and round-trip from €137. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      STL 18:34
      27h 39m
      1 stop
      IAH 22:13
      St. Louis - Houston | Fri, Nov 20 | Frontier Airlines
      €43 €175
      75% off
      75% off
      €175 €43
    • STL 18:34
      12h 49m
      1 stop
      IAH 07:23
      St. Louis - Houston | Fri, Nov 27 | Frontier Airlines
      €45 €175
      74% off
      74% off
      €175 €45
    • STL 18:34
      12h 49m
      1 stop
      IAH 07:23
      St. Louis - Houston | Sun, Nov 29 | Frontier Airlines
      €50 €175
      71% off
      71% off
      €175 €50
    • STL 12:02
      20h 43m
      1 stop
      IAH 08:45
      St. Louis - Houston | Tue, Dec 22 | Frontier Airlines
      €50
      71% off
      €175 €50
    • STL 12:02
      20h 43m
      1 stop
      IAH 08:45
      St. Louis - Houston | Fri, Dec 25 | Frontier Airlines
      €51
      71% off
      €175 €51
    • STL 12:02
      20h 43m
      1 stop
      IAH 08:45
      St. Louis - Houston | Tue, Dec 15 | Frontier Airlines
      €54
      69% off
      €175 €54
    • STL 18:21
      6h 5m
      1 stop
      IAH 00:26
      St. Louis - Houston | Tue, Jan 5 | Frontier Airlines
      €67
      62% off
      €175 €67
    • STL 12:02
      23h 44m
      1 stop
      IAH 11:46
      St. Louis - Houston | Fri, Dec 18 | Frontier Airlines
      €70
      60% off
      €175 €70
    • STL 14:59
      7h 8m
      1 stop
      IAH 22:07
      St. Louis - Houston | Sun, Dec 13 | Frontier Airlines
      €76
      56% off
      €175 €76
    • STL 13:00
      17h 25m
      1 stop
      HOU 14:00
      St. Louis - Houston | Tue, Nov 17 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      STL 06:00
      2h 21m
      Direct
      IAH 08:21
      St. Louis - Houston | Mon, Dec 14 | United Airlines
      HOU 11:05
      2h
      Direct
      STL 13:05
      Houston - St. Louis | Fri, Dec 18 |
      €234 €290
      19% off
      19% off
      €290 €234
    • STL 06:15
      2h 20m
      Direct
      IAH 08:35
      St. Louis - Houston | Fri, Dec 4 | United Airlines
      HOU 20:35
      2h 5m
      Direct
      STL 22:40
      Houston - St. Louis | Tue, Dec 8 |
      €237 €290
      18% off
      18% off
      €290 €237
    • STL 13:28
      15h 42m
      1 stop
      IAH 05:10
      St. Louis - Houston | Fri, Nov 20 | Frontier Airlines
      IAH 12:19
      5h 21m
      1 stop
      STL 17:40
      Houston - St. Louis | Sun, Nov 22 | Frontier Airlines
      €137 €290
      53% off
      53% off
      €290 €137
    • STL 12:02
      5h 27m
      1 stop
      IAH 17:29
      St. Louis - Houston | Sun, Dec 20 | Frontier Airlines
      IAH 12:12
      22h 52m
      1 stop
      STL 11:04
      Houston - St. Louis | Sat, Dec 26 | Frontier Airlines
      €137
      53% off
      €290 €137
    • STL 17:59
      6h 26m
      1 stop
      IAH 00:25
      St. Louis - Houston | Wed, Dec 2 | Frontier Airlines
      IAH 20:19
      27h 40m
      1 stop
      STL 23:59
      Houston - St. Louis | Fri, Dec 4 | Frontier Airlines
      €150
      48% off
      €290 €150
    • STL 13:28
      15h 42m
      1 stop
      IAH 05:10
      St. Louis - Houston | Fri, Nov 27 | Frontier Airlines
      IAH 21:43
      17h 40m
      1 stop
      STL 15:23
      Houston - St. Louis | Sat, Nov 28 | Frontier Airlines
      €159
      45% off
      €290 €159
    • STL 12:02
      5h 27m
      1 stop
      IAH 17:29
      St. Louis - Houston | Sun, Dec 27 | Frontier Airlines
      IAH 20:49
      19h 53m
      1 stop
      STL 16:42
      Houston - St. Louis | Sun, Jan 3 | Frontier Airlines
      €168
      42% off
      €290 €168
    • STL 19:54
      15h 23m
      1 stop
      IAH 11:17
      St. Louis - Houston | Tue, Dec 22 | Frontier Airlines
      IAH 19:39
      28h 33m
      1 stop
      STL 00:12
      Houston - St. Louis | Wed, Dec 23 | Frontier Airlines
      €169
      42% off
      €290 €169
    • STL 18:20
      16h 7m
      1 stop
      IAH 10:27
      St. Louis - Houston | Mon, Dec 21 | Frontier Airlines
      IAH 20:40
      14h 17m
      1 stop
      STL 10:57
      Houston - St. Louis | Tue, Dec 22 | Frontier Airlines
      €169
      42% off
      €290 €169
    • STL 13:00
      17h 25m
      1 stop
      HOU 14:00
      St. Louis - Houston | Tue, Nov 17 | Normal Airline
      HOU 15:00
      6h
      Direct
      STL 16:00
      Houston - St. Louis | Thu, Nov 19 | Normal Airline
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    • Cheapest nonstop
      SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Wed, Dec 9 | China Southern Airlines
      €82 €581
      86% off
      86% off
      €581 €82
    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Mon, Nov 30 | China Southern Airlines
      €98 €581
      83% off
      83% off
      €581 €98
    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Sun, Dec 27 | China Southern Airlines
      €108 €581
      81% off
      81% off
      €581 €108
    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Sun, Dec 6 | China Southern Airlines
      €111
      81% off
      €581 €111
    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Wed, Dec 23 | China Southern Airlines
      €117
      80% off
      €581 €117
    • STL 15:03
      2h 22m
      Direct
      IAH 17:25
      St. Louis - Houston | Sat, Jan 9 | United Airlines
      €139
      21% off
      €175 €139
    • STL 06:00
      2h 21m
      Direct
      IAH 08:21
      St. Louis - Houston | Thu, Dec 10 | United Airlines
      €143
      18% off
      €175 €143
    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Wed, Nov 25 | China Southern Airlines
      €191
      67% off
      €581 €191
    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Sun, Nov 22 | China Southern Airlines
      €191
      67% off
      €581 €191
    • STL 13:00
      17h 25m
      1 stop
      HOU 14:00
      St. Louis - Houston | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      STL 06:15
      2h 20m
      Direct
      IAH 08:35
      St. Louis - Houston | Fri, Nov 27 | United Airlines
      €172 €418
      59% off
      59% off
      €418 €172
    • STL 08:30
      2h 31m
      Direct
      IAH 11:01
      St. Louis - Houston | Fri, Dec 4 | United Airlines
      €173 €418
      59% off
      59% off
      €418 €173
    • STL 06:15
      2h 20m
      Direct
      IAH 08:35
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      €175 €418
      57% off
      57% off
      €418 €175
    • STL 08:30
      2h 31m
      Direct
      IAH 11:01
      St. Louis - Houston | Sun, Dec 13 | United Airlines
      €217
      48% off
      €418 €217
    • STL 17:55
      2h 30m
      Direct
      IAH 20:25
      St. Louis - Houston | Tue, Nov 24 | United Airlines
      €269
      36% off
      €418 €269
    • STL 17:55
      2h 30m
      Direct
      IAH 20:25
      St. Louis - Houston | Mon, Nov 30 | United Airlines
      €270
      35% off
      €418 €270
    • STL 08:30
      2h 31m
      Direct
      IAH 11:01
      St. Louis - Houston | Tue, Dec 1 | United Airlines
      €279
      33% off
      €418 €279
    • STL 17:55
      2h 30m
      Direct
      IAH 20:25
      St. Louis - Houston | Mon, Nov 16 | United Airlines
      €327
      22% off
      €418 €327
    • STL 14:54
      4h 26m
      1 stop
      IAH 19:20
      St. Louis - Houston | Sun, Dec 13 | American Airlines
      €171
      59% off
      €418 €171
    • STL 13:00
      17h 25m
      1 stop
      HOU 14:00
      St. Louis - Houston | Tue, Nov 17 | Normal Airline
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    • STL 14:54
      4h 26m
      1 stop
      IAH 19:20
      St. Louis - Houston | Mon, Nov 16 | American Airlines
      €342 €418
      18% off
      18% off
      €418 €342
    • STL 17:55
      2h 30m
      Direct
      IAH 20:25
      St. Louis - Houston | Mon, Nov 16 | United Airlines
      €327 €418
      22% off
      22% off
      €418 €327
    • STL 06:15
      2h 20m
      Direct
      IAH 08:35
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      €175 €418
      57% off
      57% off
      €418 €175
    • STL 13:00
      17h 25m
      1 stop
      HOU 14:00
      St. Louis - Houston | Tue, Nov 17 | Normal Airline
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    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Wed, Dec 9 | China Southern Airlines
      €82 €581
      86% off
      86% off
      €581 €82
    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Mon, Nov 30 | China Southern Airlines
      €98 €581
      83% off
      83% off
      €581 €98
    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Sun, Dec 27 | China Southern Airlines
      €108 €581
      81% off
      81% off
      €581 €108
    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Sun, Dec 6 | China Southern Airlines
      €111
      81% off
      €581 €111
    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Wed, Dec 23 | China Southern Airlines
      €117
      80% off
      €581 €117
    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Wed, Nov 25 | China Southern Airlines
      €191
      67% off
      €581 €191
    • SZX 17:10
      2h 20m
      Direct
      FUG 19:30
      Shenzhen - Fuyang | Sun, Nov 22 | China Southern Airlines
      €191
      67% off
      €581 €191
    • STL 06:00
      2h 21m
      Direct
      IAH 08:21
      St. Louis - Houston | Thu, Dec 10 | United Airlines
      €143
      18% off
      €175 €143
    • STL 15:03
      2h 22m
      Direct
      IAH 17:25
      St. Louis - Houston | Sat, Jan 9 | United Airlines
      €139
      21% off
      €175 €139
    • STL 13:00
      17h 25m
      1 stop
      HOU 14:00
      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 €43) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.
IndiGo logo IndiGo Air India logo Air India Air India Express logo Air India Express Akasa Air logo Akasa Air Spicejet logo Spicejet
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

    06:00

    STL

    1h 40m

    Direct

    08:40

    ATL

    S M T W T F S
    Search

  2. DL1682

    Hartsfield–Jackson Atlanta International Airport

    09:45

    ATL

    2h 21m

    Direct

    11:06

    IAH

    S M T W T F S

  3. AA2103

    St. Louis Lambert International Airport

    08:26

    STL

    2h 9m

    Direct

    10:35

    DFW

    S M T - - - -
    Search

  4. AA1392

    Dallas Fort Worth International Airport

    19:33

    DFW

    1h 17m

    Direct

    20:50

    IAH

    S M T W T F S

  5. F94474

    St. Louis Lambert International Airport

    18:34

    STL

    1h 50m

    Direct

    21:24

    ATL

    S - T W T - -
    Search

  6. F94075

    Hartsfield–Jackson Atlanta International Airport

    20:29

    ATL

    2h 24m

    Direct

    21:53

    IAH

    S M T W - - -

  7. DL1102

    St. Louis Lambert International Airport

    14:31

    STL

    1h 34m

    Direct

    17:05

    ATL

    S M T W T F S
    Search

  8. DL2354

    Hartsfield–Jackson Atlanta International Airport

    19:40

    ATL

    2h 18m

    Direct

    20:58

    IAH

    - - - - - F -

  9. F94567

    St. Louis Lambert International Airport

    19:51

    STL

    2h 28m

    Direct

    21:19

    DEN

    S - T W T F -
    Search

  10. F93228

    Denver International Airport

    14:59

    DEN

    2h 28m

    Direct

    18:27

    IAH

    S M T W T F S

  11. F93107

    St. Louis Lambert International Airport

    14:02

    STL

    3h 36m

    Direct

    15:38

    LAS

    S - - W - F S
    Search

  12. F91966

    Harry Reid International Airport

    14:42

    LAS

    3h 14m

    Direct

    19:56

    IAH

    - M T - - - -

  13. F94474

    St. Louis Lambert International Airport

    18:34

    STL

    1h 50m

    Direct

    21:24

    ATL

    S - T W T - -
    Search

  14. F91403

    Hartsfield–Jackson Atlanta International Airport

    13:10

    ATL

    2h 27m

    Direct

    14:37

    IAH

    S M - W T F S

  15. F94567

    St. Louis Lambert International Airport

    19:51

    STL

    2h 28m

    Direct

    21:19

    DEN

    S - T W T F -
    Search

  16. F93206

    Denver International Airport

    06:10

    DEN

    2h 42m

    Direct

    09:52

    IAH

    S M T W T F S

  17. F92636

    St. Louis Lambert International Airport

    16:26

    STL

    2h 24m

    Direct

    19:50

    MCO

    S - - W T F S
    Search

  18. F92029

    Orlando International Airport

    06:55

    MCO

    2h 57m

    Direct

    08:52

    IAH

    - - - - T F S

  19. DL543

    St. Louis Lambert International Airport

    18:08

    STL

    1h 42m

    Direct

    20:50

    ATL

    S M T W T F S
    Search

  20. F91403

    Hartsfield–Jackson Atlanta International Airport

    13:10

    ATL

    2h 27m

    Direct

    14:37

    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 €337 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 €43, and round-trip fares start from €137. 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 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 €208. 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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