IAH to STL

Houston to St Louis 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.

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

Live flights for Mon, 22 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
Mon, 22 JunIAH to STL$383 Tue, 23 JunIAH to STL Wed, 24 JunIAH to STL Thu, 25 JunIAH to STL Fri, 26 JunIAH to STL Sat, 27 JunIAH to STL Sun, 28 JunIAH to STL
Sort By:DepartureDurationArrivalPrice
United Airlines
United Airlines
UA-5397
12:00
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
2H :16 M
Non Stop
14:16
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$383
total fare
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-6160
15:31
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
2H :11 M
Non Stop
17:42
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$383
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-6204
18:28
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
2H :14 M
Non Stop
20:42
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$383
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-6187
20:30
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
2H :15 M
Non Stop
22:45
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$383
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
American Airlines
American Airlines
AA-2551
05:01
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
3H :49 M
1 Stop
DFW · 0h 43mDallas (DFW), United States
08:50
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
United Airlines
United Airlines
UA-1874
05:15
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
7H :27 M
1 Stop
DEN · 2h 48mDenver (DEN), United States
12:42
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 2 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1069
05:40
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
6H :54 M
1 Stop
ATL · 3h 13mAtlanta (ATL), United States
12:34
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-644
08:05
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
6H :47 M
1 Stop
ATL · 3h 02mAtlanta (ATL), United States
14:52
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
American Airlines
American Airlines
AA-1916
10:38
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
5H :55 M
1 Stop
DFW · 2h 42mDallas (DFW), United States
16:33
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
American Airlines
American Airlines
AA-3591
11:24
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
5H :09 M
1 Stop
DFW · 1h 55mDallas (DFW), United States
16:33
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
American Airlines
American Airlines
AA-3591
11:24
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
7H :06 M
1 Stop
DFW · 3h 53mDallas (DFW), United States
18:30
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
American Airlines
American Airlines
AA-2512
14:04
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
4H :26 M
1 Stop
DFW · 1h 14mDallas (DFW), United States
18:30
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Delta Air Lines
Delta Air Lines
DL-1572
14:43
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
7H :35 M
1 Stop
ATL · 3h 39mAtlanta (ATL), United States
22:18
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
American Airlines
American Airlines
AA-1919
15:04
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
8H :40 M
1 Stop
CLT · 3h 54mCharlotte (CLT), United States
23:44
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Delta Air Lines
Delta Air Lines
DL-1865
15:25
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
5H :14 M
1 Stop
DTW · 0h 45mDetroit (DTW), United States
20:39
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
American Airlines
American Airlines
AA-3583
16:16
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
5H :21 M
1 Stop
DFW · 1h 58mDallas (DFW), United States
21:37
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Delta Air Lines
Delta Air Lines
DL-2890
16:20
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
5H :58 M
1 Stop
ATL · 2h 03mAtlanta (ATL), United States
22:18
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-2890
16:20
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
7H :36 M
1 Stop
ATL · 3h 40mAtlanta (ATL), United States
23:56
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-470
16:21
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
7H :36 M
1 Stop
DEN · 2h 22mDenver (DEN), United States
23:57
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2135
17:20
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
6H :09 M
1 Stop
ORD · 1h 44mChicago (ORD), United States
23:29
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 2 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
American Airlines
American Airlines
AA-1920
17:30
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
6H :14 M
1 Stop
CLT · 1h 30mCharlotte (CLT), United States
23:44
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
American Airlines
American Airlines
AA-1913
18:35
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
5H :41 M
1 Stop
ORD · 1h 30mChicago (ORD), United States
00:16
2026-06-23
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces

Recommended hotels in St Louis

Stay options near the arrival city for the same travel date.

Search hotels
Best Western Plus Louisa
2.0Very GoodLive availability

Best Western Plus Louisa

- 18199 US-23, Louisa, KY 41230 ,

Free WiFiACBreakfast
Room availability is checked live
$105per night+ taxes if applicable
View Rooms

1 Night • 2 Star

Delta Air Lines
Delta Air Lines
DL-1223
18:37
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
5H :19 M
1 Stop
ATL · 1h 16mAtlanta (ATL), United States
23:56
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
American Airlines
American Airlines
AA-1929
18:45
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
5H :14 M
1 Stop
DFW · 1h 55mDallas (DFW), United States
23:59
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$393
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
American Airlines
American Airlines
AA-700
06:02
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
6H :47 M
1 Stop
DFW · 3h 17mDallas (DFW), United States
12:49
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$445
total fare
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
American Airlines
American Airlines
AA-3162
08:47
2026-06-22
Houston (IAH)United StatesGeorge Bush Intercontinental
8H :32 M
1 Stop
CLT · 3h 51mCharlotte (CLT), United States
17:19
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$445
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
View all flights
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Fare highlights

Selected flight highlights for 22 Jun 2026.

Open full search
Lowest fare $383 United Airlines 12:00
Earliest departure $393 American Airlines 05:01
Shortest duration $383 United Airlines 15:31
Night 00:00-05:59 $393 American Airlines at 05:01
Morning 06:00-11:59 $393 Delta Air Lines at 08:05
Afternoon 12:00-17:59 $383 United Airlines at 12:00
Evening 18:00-23:59 $383 United Airlines at 18:28

Houston to St Louis route details

Houston (IAH)

George Bush Intercontinental

United States

GMT -6

Latitude: 29.984399795532227

Longitude: -95.34140014648438

St Louis (STL)

Lambert-St Louis Intl

United States

GMT -6

Latitude: 38.748697

Longitude: -90.370003

Distance: Houston (IAH), United States to St Louis (STL), United States - 1,075.61 km
Flights shown for 22 Jun 2026. View all flights opens the complete search result.

Houston to St Louis - what to expect when booking

The IAH to STL 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 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 → 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 → Charleston
IAH → CRW
Houston → Charlotte
IAH → CLT
Houston → Chicago
IAH → ORD
Houston → Chihuahua
IAH → CUU
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 → IAH
St Louis → Houston
STL → HOU
St Louis → Jonesboro
STL → JBR
St Louis → Kansas City
STL → MCI
Frequently asked questions - Houston to St Louis flights
Yes, booking flights in advance helps you secure cheap flight tickets. Comparing air ticket prices 3–4 weeks early gives you better visibility of airline timings, baggage policies, and fare rules before high-demand periods push prices up.
The approximate direct air distance between Houston (IAH) and St Louis (STL) is 1,075.61 km. The actual flight duration and route path vary depending on airline schedules and wind conditions.
Non-stop flight availability depends on the airline schedule and departure date. You can filter the live search results by stops to view direct flights, one-stop connections, and transit flights instantly.
Airline seat inventory and airfares change dynamically in real-time. Selecting 'Book Now' runs a live fare verification check to ensure you get the most accurate price before final booking confirmation.
Yes, you can easily compare flights for nearby dates. Select any date on the date calendar strip to refresh the fares, compare air ticket pricing, and choose the most budget-friendly travel day.