STL to IAH

St Louis to Houston flight ticket price

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

STL
St Louis (STL), United StatesLambert-St Louis Intl
IAH
Houston (IAH), United StatesGeorge Bush Intercontinental
Search

Live flights for Sat, 06 Jun 2026

Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.

Showing flight options for the selected travel date.
Currency: USD
Sat, 06 JunSTL to IAH$454 Sun, 07 JunSTL to IAH Mon, 08 JunSTL to IAH Tue, 09 JunSTL to IAH Wed, 10 JunSTL to IAH Thu, 11 JunSTL to IAH Fri, 12 JunSTL to IAH
Sort By:DepartureDurationArrivalPrice
United Airlines
United Airlines
UA-1008
06:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
11H :10 M
1 Stop
ORD · 6h 35mChicago (ORD), United States
17:10
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1008
06:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
13H :10 M
1 Stop
ORD · 8h 35mChicago (ORD), United States
19:10
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1008
06:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
14H :50 M
1 Stop
ORD · 10h 15mChicago (ORD), United States
20:50
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1008
06:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
15H :56 M
1 Stop
ORD · 11h 29mChicago (ORD), United States
21:56
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4423
07:22
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
9H :48 M
1 Stop
ORD · 5h 05mChicago (ORD), United States
17:10
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4423
07:22
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
11H :48 M
1 Stop
ORD · 7h 05mChicago (ORD), United States
19:10
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4423
07:22
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
13H :28 M
1 Stop
ORD · 8h 45mChicago (ORD), United States
20:50
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4423
07:22
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
14H :34 M
1 Stop
ORD · 9h 59mChicago (ORD), United States
21:56
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4567
08:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
9H :10 M
1 Stop
ORD · 4h 30mChicago (ORD), United States
17:10
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4567
08:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
11H :10 M
1 Stop
ORD · 6h 30mChicago (ORD), United States
19:10
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4567
08:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
12H :50 M
1 Stop
ORD · 8h 10mChicago (ORD), United States
20:50
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4567
08:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
13H :56 M
1 Stop
ORD · 9h 24mChicago (ORD), United States
21:56
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5572
09:14
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
9H :56 M
1 Stop
ORD · 5h 16mChicago (ORD), United States
19:10
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5572
09:14
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
11H :36 M
1 Stop
ORD · 6h 56mChicago (ORD), United States
20:50
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5572
09:14
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
12H :42 M
1 Stop
ORD · 8h 10mChicago (ORD), United States
21:56
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4517
10:25
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
8H :45 M
1 Stop
ORD · 4h 08mChicago (ORD), United States
19:10
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4517
10:25
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
10H :25 M
1 Stop
ORD · 5h 48mChicago (ORD), United States
20:50
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4517
10:25
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
11H :31 M
1 Stop
ORD · 7h 02mChicago (ORD), United States
21:56
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4395
11:25
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
9H :25 M
1 Stop
ORD · 4h 42mChicago (ORD), United States
20:50
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4395
11:25
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
10H :31 M
1 Stop
ORD · 5h 56mChicago (ORD), United States
21:56
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1382
13:13
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
8H :43 M
1 Stop
ORD · 4h 16mChicago (ORD), United States
21:56
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$454
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1008
06:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
27H :19 M
1 Stop
ORD · 23h 00mChicago (ORD), United States
09:19
2026-06-07
Houston (IAH)United StatesGeorge Bush Intercontinental
$485
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included

Recommended hotels in Houston

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United Airlines
United Airlines
UA-4423
07:22
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
25H :57 M
1 Stop
ORD · 21h 30mChicago (ORD), United States
09:19
2026-06-07
Houston (IAH)United StatesGeorge Bush Intercontinental
$485
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4567
08:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
25H :19 M
1 Stop
ORD · 20h 55mChicago (ORD), United States
09:19
2026-06-07
Houston (IAH)United StatesGeorge Bush Intercontinental
$485
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5572
09:14
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
24H :05 M
1 Stop
ORD · 19h 41mChicago (ORD), United States
09:19
2026-06-07
Houston (IAH)United StatesGeorge Bush Intercontinental
$485
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4517
10:25
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
22H :54 M
1 Stop
ORD · 18h 33mChicago (ORD), United States
09:19
2026-06-07
Houston (IAH)United StatesGeorge Bush Intercontinental
$485
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
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Fare highlights

Selected flight highlights for 06 Jun 2026.

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Lowest fare $454 United Airlines 06:00
Earliest departure $454 United Airlines 06:00
Shortest duration $454 United Airlines 13:13
Night 00:00-05:59 No option Open full search for more
Morning 06:00-11:59 $454 United Airlines at 06:00
Afternoon 12:00-17:59 $454 United Airlines at 13:13
Evening 18:00-23:59 No option Open full search for more

St Louis to Houston route details

St Louis (STL)

Lambert-St Louis Intl

United States

GMT -6

Latitude: 38.748697

Longitude: -90.370003

Houston (IAH)

George Bush Intercontinental

United States

GMT -6

Latitude: 29.984399795532227

Longitude: -95.34140014648438

Distance: St Louis (STL), United States to Houston (IAH), United States - 1,075.61 km
Flights shown for 06 Jun 2026. View all flights opens the complete search result.

St Louis to Houston - what to expect when booking

The STL to IAH cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 1,075.61 km.

Before you book

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More flights from St Louis (STL)23 routes
St Louis → Atlanta
STL → ATL
St Louis → Boston
STL → BOS
St Louis → Burlington
STL → BRL
St Louis → Cancun
STL → CUN
St Louis → Cape Girardeau
STL → CGI
St Louis → Charlotte
STL → CLT
St Louis → Chicago
STL → MDW
St Louis → Covington Ky
STL → CVG
St Louis → Cleveland
STL → CLE
St Louis → Columbus
STL → CMH
St Louis → Dallas
STL → DAL
St Louis → Decatur
STL → DEC
St Louis → Denver
STL → DEN
St Louis → Detroit Mi
STL → DTW
St Louis → Fort Lauderdale
STL → FLL
St Louis → Fort Leonard Wood
STL → TBN
St Louis → Fort Myers
STL → RSW
St Louis → Dallas
STL → DFW
St Louis → Grand Rapids
STL → GRR
St Louis → Houston
STL → HOU
St Louis → Jonesboro
STL → JBR
St Louis → Kansas City
STL → MCI
St Louis → Kirksville
STL → IRK
More flights from Houston (IAH)23 routes
Houston → Acapulco
IAH → ACA
Houston → Aguascalientes
IAH → AGU
Houston → Albuquerque
IAH → ABQ
Houston → Amarillo
IAH → AMA
Houston → Amsterdam
IAH → AMS
Houston → Atlanta
IAH → ATL
Houston → Atlantic City
IAH → ACY
Houston → Austin
IAH → AUS
Houston → Bakersfield
IAH → BFL
Houston → Baton Rouge
IAH → BTR
Houston → Beijing
IAH → PEK
Houston → Belize City
IAH → BZE
Houston → Fayetteville
IAH → XNA
Houston → Birmingham
IAH → BHM
Houston → Bogota
IAH → BOG
Houston → Kralendijk
IAH → BON
Houston → Boston
IAH → BOS
Houston → Buenos Aires
IAH → EZE
Houston → Calgary
IAH → YYC
Houston → Cancun
IAH → CUN
Houston → Maiquetia
IAH → CCS
Houston → Charleston
IAH → CRW
Houston → Charlotte
IAH → CLT
Frequently asked questions - St Louis to Houston flights
Generally yes. When your travel date is fixed, comparing live fares early gives you better visibility of timings, baggage and fare rules before prices change.
The approximate route distance between St Louis (STL) and Houston (IAH) is 1,075.61 km. Actual flying distance can vary by airline routing.
Availability changes by airline schedule and date. Use the Stops filter to quickly check non-stop, one-stop and connecting options on this landing page.
Airline inventory can change within minutes. Book Now sends the selected result to the review flow where the fare is checked again before final booking.
Yes. The date strip and search box open the full search for the selected date, while this page keeps the route details easy to compare.