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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 €42 and round-trip from €134. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      STL 2:55 PM
      2h 24m
      Nonstop
      IAH 5:19 PM
      St. Louis - Houston | Sat, Oct 31 | United Airlines
      HOU 5:30 PM
      2h
      Nonstop
      STL 7:30 PM
      Houston - St. Louis | Tue, Nov 3 |
      €222 €277
      20% off
      20% off
      €277 €222
    • STL 6:15 AM
      2h 20m
      Nonstop
      IAH 8:35 AM
      St. Louis - Houston | Mon, Nov 23 | United Airlines
      HOU 8:35 PM
      2h 5m
      Nonstop
      STL 10:40 PM
      Houston - St. Louis | Fri, Nov 27 |
      €232 €277
      16% off
      16% off
      €277 €232
    • STL 4:19 PM
      8h 21m
      1 stop
      IAH 12:40 AM
      St. Louis - Houston | Wed, Nov 11 | Frontier Airlines
      IAH 10:40 PM
      20h 17m
      1 stop
      STL 6:57 PM
      Houston - St. Louis | Fri, Nov 13 | Frontier Airlines
      €134 €277
      52% off
      52% off
      €277 €134
    • STL 1:28 PM
      15h 42m
      1 stop
      IAH 5:10 AM
      St. Louis - Houston | Mon, Nov 30 | Frontier Airlines
      IAH 12:19 PM
      5h 21m
      1 stop
      STL 5:40 PM
      Houston - St. Louis | Wed, Dec 2 | Frontier Airlines
      €135
      51% off
      €277 €135
    • STL 5:59 PM
      6h 26m
      1 stop
      IAH 12:25 AM
      St. Louis - Houston | Sat, Dec 12 | Frontier Airlines
      IAH 8:19 PM
      27h 40m
      1 stop
      STL 11:59 PM
      Houston - St. Louis | Mon, Dec 14 | Frontier Airlines
      €148
      47% off
      €277 €148
    • STL 7:59 PM
      13h 53m
      1 stop
      IAH 9:52 AM
      St. Louis - Houston | Fri, Nov 27 | Frontier Airlines
      IAH 12:19 PM
      5h 21m
      1 stop
      STL 5:40 PM
      Houston - St. Louis | Wed, Dec 2 | Frontier Airlines
      €157
      43% off
      €277 €157
    • STL 1:28 PM
      15h 42m
      1 stop
      IAH 5:10 AM
      St. Louis - Houston | Mon, Dec 7 | Frontier Airlines
      IAH 9:43 PM
      17h 40m
      1 stop
      STL 3:23 PM
      Houston - St. Louis | Tue, Dec 8 | Frontier Airlines
      €157
      43% off
      €277 €157
    • STL 4:30 PM
      16h 57m
      1 stop
      IAH 9:27 AM
      St. Louis - Houston | Thu, Nov 12 | Frontier Airlines
      IAH 6:05 AM
      11h 35m
      1 stop
      STL 5:40 PM
      Houston - St. Louis | Mon, Nov 16 | Frontier Airlines
      €161
      42% off
      €277 €161
    • STL 2:29 PM
      8h 1m
      1 stop
      IAH 10:30 PM
      St. Louis - Houston | Wed, Oct 28 | Frontier Airlines
      IAH 12:07 PM
      5h 33m
      1 stop
      STL 5:40 PM
      Houston - St. Louis | Wed, Nov 4 | Frontier Airlines
      €161
      42% off
      €277 €161
    • STL 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      St. Louis - Houston | Wed, Oct 28 | Normal Airline
      HOU 3:00 PM
      6h
      Nonstop
      STL 4:00 PM
      Houston - St. Louis | Fri, Oct 30 | Normal Airline
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    • Cheapest
      STL 6:34 PM
      27h 39m
      1 stop
      IAH 10:13 PM
      St. Louis - Houston | Mon, Nov 30 | Frontier Airlines
      €42 €153
      73% off
      73% off
      €153 €42
    • STL 6:44 PM
      12h 39m
      1 stop
      IAH 7:23 AM
      St. Louis - Houston | Wed, Nov 25 | Frontier Airlines
      €43 €153
      72% off
      72% off
      €153 €43
    • STL 6:44 PM
      16h 50m
      1 stop
      IAH 11:34 AM
      St. Louis - Houston | Mon, Nov 23 | Frontier Airlines
      €47 €153
      69% off
      69% off
      €153 €47
    • STL 6:44 PM
      12h 39m
      1 stop
      IAH 7:23 AM
      St. Louis - Houston | Wed, Nov 18 | Frontier Airlines
      €50
      67% off
      €153 €50
    • STL 6:35 PM
      12h 44m
      1 stop
      IAH 7:19 AM
      St. Louis - Houston | Fri, Nov 13 | Frontier Airlines
      €50
      67% off
      €153 €50
    • STL 6:44 PM
      12h 39m
      1 stop
      IAH 7:23 AM
      St. Louis - Houston | Fri, Nov 27 | Frontier Airlines
      €50
      67% off
      €153 €50
    • STL 2:29 PM
      8h 1m
      1 stop
      IAH 10:30 PM
      St. Louis - Houston | Wed, Oct 28 | Frontier Airlines
      €53
      65% off
      €153 €53
    • STL 6:35 PM
      17h 15m
      1 stop
      IAH 11:50 AM
      St. Louis - Houston | Mon, Dec 21 | Frontier Airlines
      €54
      65% off
      €153 €54
    • STL 6:35 PM
      12h 44m
      1 stop
      IAH 7:19 AM
      St. Louis - Houston | Mon, Nov 9 | Frontier Airlines
      €57
      63% off
      €153 €57
    • STL 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      St. Louis - Houston | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      STL 2:55 PM
      2h 24m
      Nonstop
      IAH 5:19 PM
      St. Louis - Houston | Sat, Nov 14 | United Airlines
      €124 €393
      68% off
      68% off
      €393 €124
    • STL 3:12 PM
      2h 13m
      Nonstop
      IAH 5:25 PM
      St. Louis - Houston | Mon, Nov 9 | United Airlines
      €128 €153
      16% off
      16% off
      €153 €128
    • STL 6:15 AM
      2h 12m
      Nonstop
      IAH 8:27 AM
      St. Louis - Houston | Wed, Oct 28 | United Airlines
      €128 €153
      16% off
      16% off
      €153 €128
    • STL 6:15 AM
      2h 20m
      Nonstop
      IAH 8:35 AM
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      €172
      56% off
      €393 €172
    • STL 8:30 AM
      2h 31m
      Nonstop
      IAH 11:01 AM
      St. Louis - Houston | Sun, Dec 13 | United Airlines
      €214
      46% off
      €393 €214
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Mon, Nov 16 | United Airlines
      €253
      36% off
      €393 €253
    • STL 2:55 PM
      2h 24m
      Nonstop
      IAH 5:19 PM
      St. Louis - Houston | Tue, Nov 3 | United Airlines
      €262
      33% off
      €393 €262
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Fri, Oct 30 | United Airlines
      €330
      16% off
      €393 €330
    • STL 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      St. Louis - Houston | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      STL 2:55 PM
      2h 24m
      Nonstop
      IAH 5:19 PM
      St. Louis - Houston | Sat, Nov 14 | United Airlines
      €124 €402
      69% off
      69% off
      €402 €124
    • STL 6:15 AM
      2h 20m
      Nonstop
      IAH 8:35 AM
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      €172 €402
      56% off
      56% off
      €402 €172
    • STL 8:30 AM
      2h 31m
      Nonstop
      IAH 11:01 AM
      St. Louis - Houston | Sun, Dec 13 | United Airlines
      €214 €402
      47% off
      47% off
      €402 €214
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Mon, Nov 16 | United Airlines
      €253
      37% off
      €402 €253
    • STL 2:55 PM
      2h 24m
      Nonstop
      IAH 5:19 PM
      St. Louis - Houston | Tue, Nov 3 | United Airlines
      €262
      35% off
      €402 €262
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Fri, Oct 30 | United Airlines
      €330
      18% off
      €402 €330
    • STL 2:54 PM
      4h 26m
      1 stop
      IAH 7:20 PM
      St. Louis - Houston | Sun, Dec 13 | American Airlines
      €169
      57% off
      €402 €169
    • STL 11:35 AM
      4h 56m
      1 stop
      IAH 4:31 PM
      St. Louis - Houston | Tue, Nov 3 | American Airlines
      €227
      44% off
      €402 €227
    • STL 10:25 AM
      4h 34m
      1 stop
      IAH 2:59 PM
      St. Louis - Houston | Tue, Nov 3 | Delta Air Lines
      €227
      44% off
      €402 €227
    • STL 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      St. Louis - Houston | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Fri, Oct 30 | United Airlines
      €330 €402
      18% off
      18% off
      €402 €330
    • STL 8:48 AM
      4h 24m
      1 stop
      IAH 1:12 PM
      St. Louis - Houston | Fri, Oct 30 | American Airlines
      €337 €402
      16% off
      16% off
      €402 €337
    • STL 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      St. Louis - Houston | Wed, Oct 28 | Normal Airline
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    • STL 6:15 AM
      2h 12m
      Nonstop
      IAH 8:27 AM
      St. Louis - Houston | Wed, Oct 28 | United Airlines
      €128 €153
      16% off
      16% off
      €153 €128
    • STL 3:12 PM
      2h 13m
      Nonstop
      IAH 5:25 PM
      St. Louis - Houston | Mon, Nov 9 | United Airlines
      €128 €153
      16% off
      16% off
      €153 €128
    • STL 6:15 AM
      2h 20m
      Nonstop
      IAH 8:35 AM
      St. Louis - Houston | Sun, Nov 22 | United Airlines
      €172 €393
      56% off
      56% off
      €393 €172
    • STL 2:55 PM
      2h 24m
      Nonstop
      IAH 5:19 PM
      St. Louis - Houston | Sat, Nov 14 | United Airlines
      €124
      68% off
      €393 €124
    • STL 2:55 PM
      2h 24m
      Nonstop
      IAH 5:19 PM
      St. Louis - Houston | Tue, Nov 3 | United Airlines
      €262
      33% off
      €393 €262
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Mon, Nov 16 | United Airlines
      €253
      36% off
      €393 €253
    • STL 5:55 PM
      2h 30m
      Nonstop
      IAH 8:25 PM
      St. Louis - Houston | Fri, Oct 30 | United Airlines
      €330
      16% off
      €393 €330
    • STL 8:30 AM
      2h 31m
      Nonstop
      IAH 11:01 AM
      St. Louis - Houston | Sun, Dec 13 | United Airlines
      €214
      46% off
      €393 €214
    • STL 2:29 PM
      8h 1m
      1 stop
      IAH 10:30 PM
      St. Louis - Houston | Wed, Oct 28 | Frontier Airlines
      €53
      65% off
      €153 €53
    • STL 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      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 €42) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From €42
Delta Air Lines
From €102
American Airlines
From €107
United Airlines
From €128

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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 AM

    STL

    1h 35m

    Nonstop

    12:49 PM

    ATL

    S M T W T F S
    Search

  2. DL1874

    Hartsfield–Jackson Atlanta International Airport

    2:37 PM

    ATL

    2h 10m

    Nonstop

    3:47 PM

    IAH

    S M T W T F S

  3. DL1393

    St. Louis Lambert International Airport

    7:20 PM

    STL

    1h 40m

    Nonstop

    10:00 PM

    ATL

    - M T W T - -
    Search

  4. DL1601

    Hartsfield–Jackson Atlanta International Airport

    10:40 PM

    ATL

    2h 18m

    Nonstop

    11:58 PM

    IAH

    S M T W T F S

  5. AA2261

    St. Louis Lambert International Airport

    5:40 AM

    STL

    2h

    Nonstop

    7:40 AM

    DFW

    S M T W T F -
    Search

  6. AA5188

    Dallas Fort Worth International Airport

    8:30 AM

    DFW

    1h 24m

    Nonstop

    9:54 AM

    IAH

    S - - - - - S

  7. AA1410

    St. Louis Lambert International Airport

    12:08 PM

    STL

    1h 58m

    Nonstop

    2:06 PM

    DFW

    S - - - - - S
    Search

  8. AA2076

    Dallas Fort Worth International Airport

    9:40 AM

    DFW

    1h 19m

    Nonstop

    10:59 AM

    IAH

    S - - - - - -

  9. AA363

    St. Louis Lambert International Airport

    5:01 AM

    STL

    1h 29m

    Nonstop

    6:30 AM

    ORD

    S - - - - - S
    Search

  10. AA2603

    O'Hare Intl. Airport

    7:21 AM

    ORD

    2h 54m

    Nonstop

    10:15 AM

    IAH

    S - - - - - S

  11. DL1524

    St. Louis Lambert International Airport

    6:00 AM

    STL

    1h 44m

    Nonstop

    8:44 AM

    ATL

    S M T W T F S
    Search

  12. DL1682

    Hartsfield–Jackson Atlanta International Airport

    9:13 AM

    ATL

    2h 25m

    Nonstop

    10:38 AM

    IAH

    S M T W T F S

  13. AA2103

    St. Louis Lambert International Airport

    2:54 PM

    STL

    2h 5m

    Nonstop

    4:59 PM

    DFW

    S - - - - - S
    Search

  14. AA1392

    Dallas Fort Worth International Airport

    7:15 PM

    DFW

    1h 14m

    Nonstop

    8:29 PM

    IAH

    S M T W T F S

  15. F94567

    St. Louis Lambert International Airport

    7:54 PM

    STL

    2h 31m

    Nonstop

    9:25 PM

    DEN

    S - T - T F -
    Search

  16. F93230

    Denver International Airport

    2:59 PM

    DEN

    2h 28m

    Nonstop

    6:27 PM

    IAH

    - M - - - - -

  17. F92636

    St. Louis Lambert International Airport

    4:30 PM

    STL

    2h 28m

    Nonstop

    7:58 PM

    MCO

    S - - W T F S
    Search

  18. F93469

    Orlando Intl. Airport

    7:45 PM

    MCO

    2h 53m

    Nonstop

    9:38 PM

    IAH

    S M T W T F S

  19. F94567

    St. Louis Lambert International Airport

    7:54 PM

    STL

    2h 31m

    Nonstop

    9:25 PM

    DEN

    S - T - T F -
    Search

  20. F92996

    Denver International Airport

    9:59 PM

    DEN

    2h 30m

    Nonstop

    1:29 AM

    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 1,076.39 km
Cheapest one-way ticket price €42
Cheapest return ticket price €134

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 €234 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 €42, and round-trip fares start from €134. The current lowest fare is a Frontier Airlines flight departing on Mon, Nov 30; 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 €205. 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.

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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.

Book with no extra fees

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.