Cheap Flights from Detroit to St. Louis

Cheap Flights from Detroit to St. Louis

Cheap Flights from Detroit to St. Louis
Looking for cheap flights from Detroit 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 Detroit to St. Louis vary by season, cabin, and date, but available award flights can start around 7,500 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 Detroit to St. Louis for specific travel dates.
2026-11-21
DTW - STL
Economy | Non stop | 9+ left
From 7,500 Pts + $5.6
VS
2026-11-22
DTW - STL
Economy | Non stop | 9+ left
From 7,500 Pts + $5.6
VS
2026-11-23
DTW - STL
Economy | Non stop | 5 left
From 7,500 Pts + $5.6
VS
2026-11-24
DTW - STL
Economy | Non stop | 9+ left
From 7,500 Pts + $5.6
VS
2026-11-25
DTW - STL
Economy | Non stop | 9+ left
From 7,500 Pts + $5.6
VS
2026-11-26
DTW - STL
Economy | Non stop | 9+ left
From 7,500 Pts + $5.6
VS
Detroit to St. Louis flight facts
Distance
439 mi
707 km in a straight line
Estimated flight time
about 1h 30m
In the air, for the straight-line distance
Time difference
−1h
St. Louis is 1 hour behind Detroit.
Airports in Detroit
DTW · Detroit Metropolitan Wayne County
Airports in St. Louis
STL · St Louis Lambert Intl
Nearby airport alternatives
Flights Detroit - Columbia · Columbia is 100 mi from St. Louis
Flights Grand Rapids - St. Louis · Grand Rapids is 120 mi from Detroit
Flights Columbus - St. Louis · Columbus is 155 mi from Detroit
Flights South Bend - St. Louis · South Bend is 156 mi from Detroit
Premium cabin flights from Detroit to St. Louis
Premium cabin
2026-11-21
DTW - STL
First | Non stop | 6 left
From 24,000 Pts + $5.6
DL
Premium cabin
2026-11-14
DTW - STL
First | Non stop | 6 left
From 32,800 Pts + $5.6
DL
Premium cabin
2026-11-15
DTW - STL
First | Non stop | 2 left
From 32,800 Pts + $5.6
DL
Premium cabin
2026-11-16
DTW - STL
First | Non stop | 6 left
From 32,800 Pts + $5.6
DL
Premium cabin
2026-11-17
DTW - STL
First | Non stop | 7 left
From 32,800 Pts + $5.6
DL
Premium cabin
2026-11-18
DTW - STL
First | Non stop | 1 left
From 32,800 Pts + $5.6
DL
Selected hotels for your next stay
Le Méridien St. Louis Clayton
St. Louis, MO (USA)
Le Méridien St. Louis Clayton
From Pts or $136
The Ritz-Carlton, St. Louis
St. Louis, MO (USA)
The Ritz-Carlton, St. Louis
From Pts or $567
Frequently Asked Questions
The cheapest route from Detroit 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 Detroit to St. Louis.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Detroit to St. Louis.
Detroit and St. Louis are about 439 miles (707 km) apart in a straight line.
Flying the 439-mile straight-line distance takes about 1h 30m in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
St. Louis is 1 hour behind Detroit.
Departures from Detroit: Detroit Metropolitan Wayne County (DTW). 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!