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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 €133. 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 |
        €220 €304
        28% off
        28% off
        €304 €220
      • STL 6:15 AM
        2h 12m
        Nonstop
        IAH 8:27 AM
        St. Louis - Houston | Thu, Oct 15 | United Airlines
        HOU 7:15 AM
        2h
        Nonstop
        STL 9:15 AM
        Houston - St. Louis | Mon, Oct 19 |
        €231 €304
        24% off
        24% off
        €304 €231
      • STL 4:19 PM
        8h 21m
        1 stop
        IAH 12:40 AM
        St. Louis - Houston | Wed, Oct 21 | Frontier Airlines
        IAH 10:40 PM
        20h 17m
        1 stop
        STL 6:57 PM
        Houston - St. Louis | Fri, Oct 23 | Frontier Airlines
        €133 €304
        56% off
        56% off
        €304 €133
      • STL 1:28 PM
        15h 42m
        1 stop
        IAH 5:10 AM
        St. Louis - Houston | Mon, Nov 9 | Frontier Airlines
        IAH 12:19 PM
        5h 21m
        1 stop
        STL 5:40 PM
        Houston - St. Louis | Wed, Nov 11 | Frontier Airlines
        €133
        56% off
        €304 €133
      • STL 5:59 PM
        6h 26m
        1 stop
        IAH 12:25 AM
        St. Louis - Houston | Sat, Nov 21 | Frontier Airlines
        IAH 8:19 PM
        27h 40m
        1 stop
        STL 11:59 PM
        Houston - St. Louis | Mon, Nov 23 | Frontier Airlines
        €146
        52% off
        €304 €146
      • STL 7:59 PM
        13h 53m
        1 stop
        IAH 9:52 AM
        St. Louis - Houston | Fri, Nov 6 | Frontier Airlines
        IAH 12:19 PM
        5h 21m
        1 stop
        STL 5:40 PM
        Houston - St. Louis | Wed, Nov 11 | Frontier Airlines
        €155
        49% off
        €304 €155
      • STL 1:28 PM
        15h 42m
        1 stop
        IAH 5:10 AM
        St. Louis - Houston | Mon, Nov 16 | Frontier Airlines
        IAH 9:43 PM
        17h 40m
        1 stop
        STL 3:23 PM
        Houston - St. Louis | Tue, Nov 17 | Frontier Airlines
        €155
        49% off
        €304 €155
      • STL 4:30 PM
        16h 57m
        1 stop
        IAH 9:27 AM
        St. Louis - Houston | Thu, Oct 22 | Frontier Airlines
        IAH 6:05 AM
        11h 35m
        1 stop
        STL 5:40 PM
        Houston - St. Louis | Mon, Oct 26 | Frontier Airlines
        €160
        47% off
        €304 €160
      • STL 2:29 PM
        8h 1m
        1 stop
        IAH 10:30 PM
        St. Louis - Houston | Wed, Oct 7 | Frontier Airlines
        IAH 12:07 PM
        5h 33m
        1 stop
        STL 5:40 PM
        Houston - St. Louis | Wed, Oct 14 | Frontier Airlines
        €160
        47% off
        €304 €160
      • STL 4:30 PM
        29h 8m
        1 stop
        IAH 9:38 PM
        St. Louis - Houston | Thu, Oct 8 | Frontier Airlines
        IAH 8:35 PM
        26h 38m
        1 stop
        STL 11:13 PM
        Houston - St. Louis | Thu, Oct 15 | Frontier Airlines
        €164
        46% off
        €304 €164
      • STL 7:42 PM
        13h 54m
        1 stop
        IAH 9:36 AM
        St. Louis - Houston | Sat, Oct 10 | Frontier Airlines
        IAH 10:31 AM
        8h 26m
        1 stop
        STL 6:57 PM
        Houston - St. Louis | Sat, Oct 17 | Frontier Airlines
        €166
        45% off
        €304 €166
      • STL 7:59 PM
        13h 53m
        1 stop
        IAH 9:52 AM
        St. Louis - Houston | Fri, Oct 30 | Frontier Airlines
        IAH 6:40 AM
        8h 43m
        1 stop
        STL 3:23 PM
        Houston - St. Louis | Wed, Nov 4 | Frontier Airlines
        €169
        44% off
        €304 €169
      • STL 7:42 PM
        13h 54m
        1 stop
        IAH 9:36 AM
        St. Louis - Houston | Sat, Oct 24 | Frontier Airlines
        IAH 4:49 PM
        19h 44m
        1 stop
        STL 12:33 PM
        Houston - St. Louis | Thu, Oct 29 | Frontier Airlines
        €171
        44% off
        €304 €171
      • STL 1:00 PM
        17h 25m
        1 stop
        HOU 2:00 PM
        St. Louis - Houston | Wed, Oct 7 | Normal Airline
        HOU 3:00 PM
        6h
        Nonstop
        STL 4:00 PM
        Houston - St. Louis | Fri, Oct 9 | Normal Airline
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      • Cheapest nonstop
        STL 3:12 PM
        2h 13m
        Nonstop
        IAH 5:25 PM
        St. Louis - Houston | Mon, Oct 19 | United Airlines
        €126 €168
        25% off
        25% off
        €168 €126
      • STL 6:15 AM
        2h 12m
        Nonstop
        IAH 8:27 AM
        St. Louis - Houston | Wed, Oct 7 | United Airlines
        €127 €168
        24% off
        24% off
        €168 €127
      • STL 6:34 PM
        27h 39m
        1 stop
        IAH 10:13 PM
        St. Louis - Houston | Mon, Nov 9 | Frontier Airlines
        €42 €168
        75% off
        75% off
        €168 €42
      • STL 6:44 PM
        12h 39m
        1 stop
        IAH 7:23 AM
        St. Louis - Houston | Wed, Nov 4 | Frontier Airlines
        €43
        74% off
        €168 €43
      • STL 6:44 PM
        16h 50m
        1 stop
        IAH 11:34 AM
        St. Louis - Houston | Mon, Nov 2 | Frontier Airlines
        €47
        72% off
        €168 €47
      • STL 6:44 PM
        12h 39m
        1 stop
        IAH 7:23 AM
        St. Louis - Houston | Wed, Oct 28 | Frontier Airlines
        €49
        71% off
        €168 €49
      • STL 6:35 PM
        12h 44m
        1 stop
        IAH 7:19 AM
        St. Louis - Houston | Fri, Oct 23 | Frontier Airlines
        €50
        70% off
        €168 €50
      • STL 6:44 PM
        12h 39m
        1 stop
        IAH 7:23 AM
        St. Louis - Houston | Fri, Nov 6 | Frontier Airlines
        €50
        70% off
        €168 €50
      • STL 2:29 PM
        8h 1m
        1 stop
        IAH 10:30 PM
        St. Louis - Houston | Wed, Oct 7 | Frontier Airlines
        €53
        68% off
        €168 €53
      • STL 6:35 PM
        17h 15m
        1 stop
        IAH 11:50 AM
        St. Louis - Houston | Mon, Nov 30 | Frontier Airlines
        €54
        68% off
        €168 €54
      • STL 6:35 PM
        12h 44m
        1 stop
        IAH 7:19 AM
        St. Louis - Houston | Mon, Oct 19 | Frontier Airlines
        €56
        67% off
        €168 €56
      • STL 6:44 PM
        12h 39m
        1 stop
        IAH 7:23 AM
        St. Louis - Houston | Wed, Nov 18 | Frontier Airlines
        €57
        66% off
        €168 €57
      • STL 6:35 PM
        12h 48m
        1 stop
        IAH 7:23 AM
        St. Louis - Houston | Mon, Oct 26 | Frontier Airlines
        €58
        65% off
        €168 €58
      • STL 6:44 PM
        27h 9m
        1 stop
        IAH 9:53 PM
        St. Louis - Houston | Fri, Oct 30 | Frontier Airlines
        €78
        54% off
        €168 €78
      • STL 1:00 PM
        17h 25m
        1 stop
        HOU 2:00 PM
        St. Louis - Houston | Wed, Oct 7 | Normal Airline
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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 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 €101
American Airlines
From €105
United Airlines
From €126

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

    8:30 AM

    STL

    2h

    Nonstop

    10:30 AM

    DFW

    S M T W T F S
    Search

  2. AA1397

    Dallas Fort Worth International Airport

    12:04 PM

    DFW

    1h 13m

    Nonstop

    1:17 PM

    IAH

    S - T W T F S

  3. AA2761

    St. Louis Lambert International Airport

    6:43 PM

    STL

    2h 2m

    Nonstop

    8:45 PM

    DFW

    S M T W T F S
    Search

  4. AA3023

    Dallas Fort Worth International Airport

    10:46 PM

    DFW

    1h 13m

    Nonstop

    11:59 PM

    IAH

    S M T W T F S

  5. AA2299

    St. Louis Lambert International Airport

    12:47 PM

    STL

    1h 55m

    Nonstop

    2:42 PM

    DFW

    - M T - - F -
    Search

  6. AA3481

    Dallas Fort Worth International Airport

    6:02 PM

    DFW

    1h 24m

    Nonstop

    7:26 PM

    IAH

    S M T W T F S

  7. AA2208

    St. Louis Lambert International Airport

    11:31 AM

    STL

    1h 28m

    Nonstop

    12:59 PM

    ORD

    S M T W T F S
    Search

  8. AA3039

    O'Hare Intl. Airport

    1:50 PM

    ORD

    2h 53m

    Nonstop

    4:43 PM

    IAH

    S M T W T F S

  9. AA1926

    St. Louis Lambert International Airport

    7:23 AM

    STL

    1h 27m

    Nonstop

    8:50 AM

    ORD

    S M T W T F S
    Search

  10. AA2504

    O'Hare Intl. Airport

    7:21 AM

    ORD

    2h 53m

    Nonstop

    10:14 AM

    IAH

    S M T W T F S

  11. DL1102

    St. Louis Lambert International Airport

    2:25 PM

    STL

    1h 35m

    Nonstop

    5:00 PM

    ATL

    S M T W T F S
    Search

  12. DL1284

    Hartsfield–Jackson Atlanta International Airport

    7:53 PM

    ATL

    2h 17m

    Nonstop

    9:10 PM

    IAH

    S M T W T F S

  13. 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

  14. DL2709

    Hartsfield–Jackson Atlanta International Airport

    12:15 PM

    ATL

    2h 18m

    Nonstop

    1:33 PM

    IAH

    S M T W T F S

  15. F94567

    St. Louis Lambert International Airport

    7:42 PM

    STL

    2h 27m

    Nonstop

    9:09 PM

    DEN

    - - T - T F -
    Search

  16. F93228

    Denver International Airport

    6:36 PM

    DEN

    2h 28m

    Nonstop

    10:04 PM

    IAH

    S - - W T F S

  17. DL1102

    St. Louis Lambert International Airport

    2:25 PM

    STL

    1h 35m

    Nonstop

    5:00 PM

    ATL

    S M T W T F S
    Search

  18. DL1892

    Hartsfield–Jackson Atlanta International Airport

    8:29 PM

    ATL

    2h 8m

    Nonstop

    9:37 PM

    IAH

    S M T W T - 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 €133

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 €290 in October, 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 €133. The current lowest fare is a Frontier Airlines flight departing on Mon, Nov 9; 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 €180. 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.