Cheap Flights from Chicago to St. Louis
Cheap Flights from Chicago to St. Louis
Looking for cheap flights from Chicago 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 Chicago to St. Louis vary by season, cabin, and date, but available award flights can start around 4,500 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 Chicago to St. Louis for specific travel dates.
2026-11-05
ORD - STL
Economy | Non stop | 9+ left
From 4,500 Pts + $25.6
2026-11-06
ORD - STL
Economy | Non stop | 9+ left
From 4,500 Pts + $25.6
2026-11-07
ORD - STL
Economy | Non stop | 9+ left
From 4,500 Pts + $25.6
2026-11-08
ORD - STL
Economy | Non stop | 9+ left
From 4,500 Pts + $25.6
2026-11-09
ORD - STL
Economy | Non stop | 9+ left
From 4,500 Pts + $25.6
2026-11-10
ORD - STL
Economy | Non stop | 9+ left
From 4,500 Pts + $25.6
Chicago to St. Louis flight facts
Distance
251 mi
404 km in a straight line
Estimated flight time
about 1h
In the air, for the straight-line distance
Time difference
Same time zone
St. Louis is in the same time zone as Chicago.
Airports in Chicago
DPA · Dupage
MDW · Chicago Midway Intl
ORD · Chicago O'Hare Intl
Airports in St. Louis
STL · St Louis Lambert Intl
Nearby airport alternatives
Flights Chicago - Springfield · Springfield is 84 mi from St. Louis
Flights South Bend - St. Louis · South Bend is 86 mi from Chicago
Flights Chicago - Columbia · Columbia is 100 mi from St. Louis
Flights Chicago - Decatur · Decatur is 110 mi from St. Louis
Flights Chicago - Bloomington · Bloomington is 142 mi from St. Louis
Flights Grand Rapids - St. Louis · Grand Rapids is 142 mi from Chicago
Premium cabin flights from Chicago to St. Louis
Premium cabin
2026-11-11
ORD - STL
First | Non stop | 3 left
From 9,000 Pts + $25.6
Premium cabin
2026-11-12
ORD - STL
First | Non stop | 3 left
From 9,000 Pts + $25.6
Premium cabin
2026-11-13
ORD - STL
First | Non stop | 5 left
From 9,000 Pts + $25.6
Premium cabin
2026-11-14
ORD - STL
First | Non stop | 3 left
From 9,000 Pts + $25.6
Premium cabin
2026-11-15
ORD - STL
First | Non stop | 8 left
From 9,000 Pts + $25.6
Premium cabin
2026-11-16
ORD - STL
First | Non stop | 7 left
From 9,000 Pts + $25.6
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 Chicago 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 Chicago to St. Louis.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Chicago to St. Louis.
Chicago and St. Louis are about 251 miles (404 km) apart in a straight line.
Flying the 251-mile straight-line distance takes about 1h 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 Chicago.
Departures from Chicago: Dupage (DPA), Chicago Midway Intl (MDW), Chicago O'Hare Intl (ORD). 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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points travel planning experience. Yeah!
