Houston (IAH) to St. Louis (STL) Flights from ₹16,073
Fares on this route currently start from ₹16,073. Compare live IAH to STL prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
IAH → STLApprox. 1075.61 km04 Jun 2026Live inventory
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Showing 25
of 113
live flights
American Airlines
AA-2551
05:01
06/04/2026
IAH
George Bush Intercontinental Houston Airport
3h 49m
1 Stop
⏱ DFW · 0h 43mDFW Airport
08:50
06/04/2026
STL
St Louis Lambert International Airport
₹16,073
per person
✕ Non-refundable14 fare options
American Airlines
AA-2577
19:53
06/04/2026
IAH
George Bush Intercontinental Houston Airport
4h 6m
1 Stop
⏱ DFW · 0h 51mDFW Airport
23:59
06/04/2026
STL
St Louis Lambert International Airport
₹16,073
per person
✓ Refundable14 fare options
Southwest Airlines
WN-2087
22:40
06/04/2026
HOU
George Bush Intercontinental Houston Airport
2h 0m
Non-stop
00:40
06/05/2026
+1
STL
St Louis Lambert International Airport
₹16,112
per person
✓ Refundable4 fare options
Southwest Airlines
WN-4084
07:20
06/04/2026
HOU
George Bush Intercontinental Houston Airport
2h 5m
Non-stop
09:25
06/04/2026
STL
St Louis Lambert International Airport
₹16,112
per person
✓ Refundable4 fare options
Southwest Airlines
WN-2049
05:35
06/04/2026
HOU
George Bush Intercontinental Houston Airport
3h 40m
1 Stop
⏱ MSY · 0h 40mMSY Airport
09:15
06/04/2026
STL
St Louis Lambert International Airport
₹17,961
per person
✕ Non-refundable
Delta Air Lines
DL-1069
05:55
06/04/2026
IAH
George Bush Intercontinental Houston Airport
6h 25m
1 Stop
⏱ ATL · 2h 41mATL Airport
12:20
06/04/2026
STL
St Louis Lambert International Airport
₹18,818
per person
✕ Non-refundable
United Airlines
UA-6214
08:00
06/04/2026
IAH
George Bush Intercontinental Houston Airport
2h 7m
Non-stop
10:07
06/04/2026
STL
St Louis Lambert International Airport
₹18,833
per person
✕ Non-refundable🔥 Last 5 seats5 fare options
United Airlines
UA-6187
20:30
06/04/2026
IAH
George Bush Intercontinental Houston Airport
2h 15m
Non-stop
22:45
06/04/2026
STL
St Louis Lambert International Airport
₹18,833
per person
✕ Non-refundable🔥 Last 5 seats5 fare options
American Airlines
AA-2512
14:04
06/04/2026
IAH
George Bush Intercontinental Houston Airport
5h 32m
1 Stop
⏱ DFW · 2h 20mDFW Airport
19:36
06/04/2026
STL
St Louis Lambert International Airport
₹19,872
per person
✕ Non-refundable11 fare options
American Airlines
AA-3591
11:24
06/04/2026
IAH
George Bush Intercontinental Houston Airport
7h 6m
1 Stop
⏱ DFW · 3h 53mDFW Airport
18:30
06/04/2026
STL
St Louis Lambert International Airport
₹19,872
per person
✕ Non-refundable10 fare options
Southwest Airlines
WN-2084
10:40
06/04/2026
HOU
George Bush Intercontinental Houston Airport
2h 5m
Non-stop
12:45
06/04/2026
STL
St Louis Lambert International Airport
₹19,910
per person
✓ Refundable4 fare options
Delta Air Lines
DL-2557
06:00
06/04/2026
HOU
George Bush Intercontinental Houston Airport
6h 20m
1 Stop
⏱ ATL · 2h 32mATL Airport
12:20
06/04/2026
STL
St Louis Lambert International Airport
₹21,554
per person
✕ Non-refundable5 fare options
American Airlines
AA-1913
18:35
06/04/2026
IAH
George Bush Intercontinental Houston Airport
5h 41m
1 Stop
⏱ ORD · 1h 30mORD Airport
00:16
06/05/2026
+1
STL
St Louis Lambert International Airport
₹21,674
per person
✕ Non-refundable10 fare options
American Airlines
AA-1929
18:45
06/04/2026
IAH
George Bush Intercontinental Houston Airport
5h 14m
1 Stop
⏱ DFW · 1h 55mDFW Airport
23:59
06/04/2026
STL
St Louis Lambert International Airport
₹21,674
per person
✓ Refundable9 fare options
Southwest Airlines
WN-4642
13:20
06/04/2026
HOU
George Bush Intercontinental Houston Airport
2h 0m
Non-stop
15:20
06/04/2026
STL
St Louis Lambert International Airport
₹21,714
per person
✓ Refundable🔥 Last 2 seats4 fare options
Southwest Airlines
WN-1957
17:40
06/04/2026
HOU
George Bush Intercontinental Houston Airport
5h 5m
1 Stop
⏱ BNA · 1h 55mBNA Airport
22:45
06/04/2026
STL
St Louis Lambert International Airport
₹21,758
per person
✕ Non-refundable🔥 Last 3 seats
Southwest Airlines
WN-40
16:00
06/04/2026
HOU
George Bush Intercontinental Houston Airport
5h 55m
1 Stop
⏱ DAL · 3h 0mDAL Airport
21:55
06/04/2026
STL
St Louis Lambert International Airport
₹21,758
per person
✕ Non-refundable
Southwest Airlines
WN-36
15:00
06/04/2026
HOU
George Bush Intercontinental Houston Airport
4h 10m
1 Stop
⏱ DAL · 1h 15mDAL Airport
19:10
06/04/2026
STL
St Louis Lambert International Airport
₹23,563
per person
✕ Non-refundable🔥 Last 4 seats
Southwest Airlines
WN-46
17:30
06/04/2026
HOU
George Bush Intercontinental Houston Airport
4h 25m
1 Stop
⏱ DAL · 1h 30mDAL Airport
21:55
06/04/2026
STL
St Louis Lambert International Airport
₹23,563
per person
✕ Non-refundable
Southwest Airlines
WN-478
14:20
06/04/2026
HOU
George Bush Intercontinental Houston Airport
4h 20m
1 Stop
⏱ BNA · 1h 5mBNA Airport
18:40
06/04/2026
STL
St Louis Lambert International Airport
₹23,563
per person
✕ Non-refundable
Southwest Airlines
WN-4724
17:10
06/04/2026
HOU
George Bush Intercontinental Houston Airport
2h 0m
Non-stop
19:10
06/04/2026
STL
St Louis Lambert International Airport
₹23,896
per person
✓ Refundable🔥 Last 1 seats4 fare options
United Airlines
UA-6160
15:31
06/04/2026
IAH
George Bush Intercontinental Houston Airport
2h 11m
Non-stop
17:42
06/04/2026
STL
St Louis Lambert International Airport
₹24,407
per person
✕ Non-refundable🔥 Last 2 seats5 fare options
United Airlines
UA-6204
18:28
06/04/2026
IAH
George Bush Intercontinental Houston Airport
2h 14m
Non-stop
20:42
06/04/2026
STL
St Louis Lambert International Airport
₹24,407
per person
✕ Non-refundable🔥 Last 5 seats5 fare options
Delta Air Lines
DL-1509
10:27
06/04/2026
HOU
George Bush Intercontinental Houston Airport
5h 48m
1 Stop
⏱ ATL · 2h 4mATL Airport
16:15
06/04/2026
STL
St Louis Lambert International Airport
₹24,483
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-1315
07:00
06/04/2026
IAH
George Bush Intercontinental Houston Airport
5h 20m
1 Stop
⏱ ATL · 1h 32mATL Airport
12:20
06/04/2026
STL
St Louis Lambert International Airport
₹24,483
per person
✕ Non-refundable5 fare options
😕 No flights match your filters.
Houston (IAH)
📍 George Bush Intercontinental Houston Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 29.984399795532227
📐 Longitude: -95.34140014648438
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003
✈ Distance: Houston, TX,USA to St. Louis,USA — 1075.61 km
📅 Results on this page are loaded for 04 Jun 2026. Click View all flights for the complete live search.
Houston to St. Louis — what to expect when booking
The IAH–STL route is served by multiple carriers throughout the year.
Fares on this route can move quickly — a price available now may not be there 30 minutes later.
If your dates are flexible, try shifting your departure by a day or two using the date strip above.
Mid-week departures often show lower base fares compared to weekend starts on many routes.
The distance between Houston, TX,USA and St. Louis,USA is approximately
1075.61 km.
Before you book
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❓ Frequently asked questions — Houston to St. Louis flights
Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.
The straight-line distance between Houston, TX,USA (IAH) and St. Louis,USA (STL) is approximately 1075.61 km. Actual flying distance may vary slightly depending on routing.
Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.