Cheap Flights from Baltimore to St. Louis
Cheap Flights from Baltimore to St. Louis
Looking for cheap flights from Baltimore 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 Baltimore to St. Louis vary by season, cabin, and date, but available award flights can start around 7,500–15,000 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 Baltimore to St. Louis for specific travel dates.
2026-11-26
BWI - STL
Economy | 1 Stop
From 7,500 Pts + $5.6
2026-11-16
BWI - STL
Economy | 1 Stop
From 8,500 Pts + $5.6
2026-11-16
BWI - STL
Economy | 1 Stop | 7 left
From 12,500 Pts + $25.6
2026-11-16
BWI - STL
Economy | 1 Stop
From 13,800 Pts + $5.6
2026-12-11
BWI - STL
Economy | 1 Stop
From 13,800 Pts + $5.6
2026-11-26
BWI - STL
First | 1 Stop
From 15,000 Pts + $11.2
Baltimore to St. Louis flight facts
Distance
736 mi
1,184 km in a straight line
Estimated flight time
about 2h
In the air, for the straight-line distance
Time difference
−1h
St. Louis is 1 hour behind Baltimore.
Airports in Baltimore
BWI · Baltimore/Washington Intl Thurgood Marshall
Airports in St. Louis
STL · St Louis Lambert Intl
Nearby airport alternatives
Flights Washington - St. Louis · Washington is 36 mi from Baltimore
Flights Philadelphia - St. Louis · Philadelphia is 90 mi from Baltimore
Flights Baltimore - Peoria · Peoria is 137 mi from St. Louis
Flights Baltimore - Bloomington · Bloomington is 142 mi from St. Louis
Flights Baltimore - Champaign · Champaign is 143 mi from St. Louis
Flights New York - St. Louis · New York is 179 mi from Baltimore
Premium cabin flights from Baltimore to St. Louis
Premium cabin
2026-11-16
BWI - STL
First | 1 Stop | 4 left
From 36,100 Pts + $5.6
Premium cabin
2026-12-17
BWI - STL
Business | 1 Stop
From 29,000 Pts + $5.6
Premium cabin
2026-11-26
BWI - STL
First | 1 Stop
From 15,000 Pts + $11.2
Premium cabin
2026-11-16
BWI - STL
First | 1 Stop
From 17,000 Pts + $5.6
Premium cabin
2026-11-16
BWI - STL
First | 1 Stop | 3 left
From 25,000 Pts + $25.6
Premium cabin
2026-11-16
BWI - STL
Business | 1 Stop
From 29,000 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 Baltimore 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 Baltimore to St. Louis.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Baltimore to St. Louis.
Baltimore and St. Louis are about 736 miles (1,184 km) apart in a straight line.
Flying the 736-mile straight-line distance takes about 2h 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 Baltimore.
Departures from Baltimore: Baltimore/Washington Intl Thurgood Marshall (BWI). 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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