Detour Flights

Cheap flights to St Louis

We are tracking 12 fares into St Louis (STL) from 8 departure airports.

Cheapest tracked fare $42  ·  about $103 below the typical price for that distance

Cheapest fares we're tracking

FromDepartsStopsPrice
Denver (DEN)2026-09-30Direct$42
Chicago Midway (MDW)2026-10-31Direct$52
Jacksonville (JAX)2026-10-101 stop$55
Chicago O'Hare (ORD)2026-10-31Direct$58
Chicago Midway (MDW)2026-09-30Direct$60
Denver (DEN)2026-10-12Direct$61
Chicago O'Hare (ORD)2026-09-301 stop$62
Atlanta (ATL)2026-12-12Direct$63
Denver (DEN)2027-01-06Direct$89
New York LaGuardia (LGA)2026-09-281 stop$111
Charleston SC (CHS)2026-10-241 stop$113
Seattle (SEA)2027-01-062 stops$114

Popular departure airports

Flights from DenverFlights from Chicago MidwayFlights from JacksonvilleFlights from Chicago O'HareFlights from AtlantaFlights from New York LaGuardiaFlights from Charleston SCFlights from Seattle

Compare every airport, not just this one

Pin one end of your trip and let a whole region compete for the other. The cheapest airport is often not the one you were going to use.

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Common questions

Which airports have cheap flights to St Louis?
We are currently tracking 12 fares into St Louis from 8 departure airports, listed cheapest first above.
Is St Louis the cheapest airport for this trip?
Not always. Cached fare feeds cover big hubs densely and secondary airports sparsely, so a cheaper nearby airport is often simply missing from a normal search rather than more expensive. Our reverse search prices a whole region's airports against each other to surface it.