Direct flights from Boston to St Louis BOS → STL
American Airlines, Envoy Air, NetJets Aviation and Southwest Airlines operate nonstop flights from Boston (BOS) to St Louis (STL). The nonstop flight takes around ~2h 6m, covering 1,044 miles (1,680 km) and operates multiple daily. Round-trip fares currently start at $317, with a typical fare around $338 across 50 recent fare combinations. Updated 29 June 2026.
60-day flexibility overview based on 50 recent fares across the next 60 days
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American Airlines
AA
Envoy Air
MQ
NetJets Aviation
1I
Southwest Airlines
WN
Departure Schedule next 7 days
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Frequently asked questions
Is there a direct flight from Boston to St Louis?
Yes, American Airlines, Envoy Air and 2 more airlines operate nonstop flights from Boston (BOS) to St Louis (STL).
Which airlines fly direct from Boston to St Louis?
American Airlines, Envoy Air, NetJets Aviation, Southwest Airlines operate nonstop flights from Boston to St Louis.
How long is the flight from Boston to St Louis?
The nonstop flight from Boston to St Louis takes ~2h 6m (approximately 1680 km).
How often do direct flights operate from Boston to St Louis?
Nonstop flights from Boston to St Louis operate multiple daily.
How much is a round-trip flight from Boston to St Louis?
Round-trip flights from Boston (BOS) to St Louis (STL) start at $317, with a typical fare around $338. Based on 50 recent fare combinations.