FFL Helper

FFL Helper / IAH (Houston) / St Louis

IAH → STL

IAH (Houston) to St Louis

Compare one-way fares for flights from IAH (Houston) to St Louis.

Lowest fare $89
Distance 680 mi
Flight time 31h 2m
Airports IAH–STL
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By month: October 2026 from $89

Price calendar

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Upcoming dates

St Louis STL

$89

Oct 01, 6:08am · 31h 2m · 1 stop

IAH → STL · Frontier Airlines

Tickets

St Louis STL

$125

Oct 08, 11:58am · 2h 12m · 0 stops

IAH → STL · United Airlines

Tickets

About this route

This calendar shows dated one-way fares from IAH (Houston) to St Louis. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book IAH (Houston) to St Louis.