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Cheapest Round Trip Flight
$293
Southwest Airlines
• nonstop
• 4h 10m
Aug 24 – Aug 28
The cheapest round trip flight from Boston to St Louis (BOS-STL-BOS) is currently $293
Cheapest One way Flight
$462
Delta Airlines
• 1 stop
• 10h 26m
Aug 28
The cheapest one way flight from Pittsburgh to Springfield (PIT-SGF) is currently $462
Cheapest Direct Flight
$293
Southwest Airlines
• nonstop
• 4h 10m
Aug 24
The cheapest nonstop flight from Boston to St Louis (BOS-STL) is currently $293
Fastest Flight
4h 10m
The fastest nonstop flight from Boston to St Louis (BOS-STL) takes 4h 10m
Recent Airfares...
Aug 24 - Aug 28, Economy
Boston → St Louis
4h 10m
5:00 AM - 6:50 AM • nonstop
Boston → St Louis
3h 50m
7:00 PM - 10:30 PM • nonstop
Southwest Airlines
Aug 24 - Aug 28, Economy
Boston → St Louis
8h 30m
5:30 PM - 9:40 PM • 1 stop
Boston → St Louis
3h 50m
7:00 PM - 10:30 PM • nonstop
Southwest Airlines
Aug 24 - Aug 28, Economy
Boston → St Louis
7h 35m
7:40 AM - 11:35 AM • 1 stop
Boston → St Louis
3h 50m
7:00 PM - 10:30 PM • nonstop
Southwest Airlines
Aug 24 - Aug 28, Economy
Boston → St Louis
15h 25m
5:40 AM - 2:05 PM • 1 stop
Boston → St Louis
3h 50m
7:00 PM - 10:30 PM • nonstop
Southwest Airlines
Aug 24 - Aug 28, Economy
Boston → St Louis
10h 30m
9:40 AM - 3:10 PM • 2 stops
Boston → St Louis
3h 50m
7:00 PM - 10:30 PM • nonstop
Southwest Airlines
Aug 24 - Aug 28, Economy
Boston → St Louis
4h 10m
5:00 AM - 6:50 AM • nonstop
Boston → St Louis
3h 50m
7:00 PM - 10:30 PM • nonstop
Southwest Airlines
Aug 24 - Aug 28, Economy
Boston → St Louis
4h 15m
5:50 PM - 7:45 PM • nonstop
Boston → St Louis
3h 50m
7:00 PM - 10:30 PM • nonstop
Southwest Airlines
Aug 24 - Aug 28, Economy
Boston → St Louis
4h 10m
1:10 PM - 3:00 PM • nonstop
Boston → St Louis
3h 55m
1:30 PM - 5:05 PM • nonstop
Southwest Airlines
Aug 30 - Sep 06, Economy
Phoenix → St Louis
4h 15m
5:45 AM - 10:40 AM • nonstop
Phoenix → St Louis
5h 10m
10:40 AM - 11:50 AM • nonstop
Southwest Airlines
Aug 30 - Sep 06, Economy
Phoenix → St Louis
4h 15m
10:25 AM - 3:20 PM • nonstop
Phoenix → St Louis
5h 10m
7:45 PM - 8:55 PM • nonstop
Southwest Airlines
More Flight Options to Missouri
San Francisco to Kansas City Flights (SFO - MCI)
Denver to Kansas City Flights (DEN - MCI)
Boston to St Louis Flights (BOS - STL)
Los Angeles to Kansas City Flights (LAX - MCI)
Dallas to St Louis Flights (DFW - STL)
Tampa to Kansas City Flights (TPA - MCI)
Houston to Kansas City Flights (HOU - MCI)
Austin to St Louis Flights (AUS - STL)
Boise to St Louis Flights (BOI - STL)
Portland to Kansas City Flights (PDX - MCI)
Seattle to Springfield Flights (SEA - SGF)
Seattle to Kansas City Flights (SEA - MCI)