Cheap Flights from Houston to St. Louis
Cheap Flights from Houston to St. Louis
Looking for cheap flights from Houston to St. Louis? PointsYeah scans award availability across major airline and bank transfer programs in one place, so travelers can compare the lowest points and cash routes faster. Instead of searching each airline separately, users can see pricing from programs like Chase, Amex, Capital One, Citi, and Bilt side by side.
Award prices from Houston to St. Louis vary by season, cabin, and date, but available award flights can start around 10,500–12,500 points one way, with premium cabins available at higher mileage levels. The live search above allows filtering by cabin, airline, stops, or maximum points to find the best award flights from Houston to St. Louis for specific travel dates.
2026-12-01
IAH - STL
Economy | 1 Stop
From 10,500 Pts + $5.6
2026-12-02
IAH - STL
Economy | 1 Stop
From 10,500 Pts + $5.6
2026-12-01
IAH - STL
Economy | Non stop | 4 left
From 12,500 Pts + $10.1
2026-12-02
IAH - STL
Economy | Non stop | 9+ left
From 12,500 Pts + $10.1
2026-12-31
IAH - STL
Economy | Non stop | 9+ left
From 12,500 Pts + $10.1
2026-12-01
IAH - STL
Economy | 1 Stop | 9+ left
From 12,500 Pts + $25.6
Houston to St. Louis flight facts
Distance
668 mi
1,076 km in a straight line
Estimated flight time
about 1h 45m
In the air, for the straight-line distance
Time difference
Same time zone
St. Louis is in the same time zone as Houston.
Airports in Houston
IAH · George Bush Intercontinental Houston
Airports in St. Louis
STL · St Louis Lambert Intl
Nearby airport alternatives
Flights Austin - St. Louis · Austin is 140 mi from Houston
Premium cabin flights from Houston to St. Louis
Premium cabin
2026-12-02
IAH - STL
First | 1 Stop | 1 left
From 21,900 Pts + $5.6
Premium cabin
2026-12-01
IAH - STL
First | Non stop | 9+ left
From 33,400 Pts + $5.6
Premium cabin
2026-12-01
IAH - STL
First | 1 Stop | 6 left
From 39,300 Pts + $5.6
Selected hotels for your next stay
St. Louis, MO (USA)
Le Méridien St. Louis Clayton
From Pts or $136
St. Louis, MO (USA)
The Ritz-Carlton, St. Louis
From Pts or $567
Frequently Asked Questions
The cheapest route from Houston to St. Louis depends on award space, transfer bonuses, and travel dates. PointsYeah compares bank and airline programs in one place so you can find the best points and cash combinations faster.
Yes. Transferable points from Chase, Amex, Capital One, Citi, and Bilt can often be moved to airline partners for flights from Houston to St. Louis.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Houston to St. Louis.
Houston and St. Louis are about 668 miles (1,076 km) apart in a straight line.
Flying the 668-mile straight-line distance takes about 1h 45m in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
St. Louis is in the same time zone as Houston.
Departures from Houston: George Bush Intercontinental Houston (IAH). Arrivals in St. Louis: St Louis Lambert Intl (STL).
Travelers searching this route also look at other popular routes into St. Louis, plus the return trip when we track it. Fares and award space change daily.
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