FFL Helper / St Louis / Boston

STL → BOS

St Louis to Boston

Compare one-way fares for flights from St Louis to Boston.

Lowest fare $275

Distance 1,036 mi

Flight time 2h 35m

Airports STL–BOS

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By month: September 2026 from $275

Price calendar

August 2026

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September 2026

From $275

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Upcoming dates

Boston BOS

$275

Sep 02, 6:40pm · 2h 35m · 0 stops

STL → BOS · Southwest Airlines

Tickets

About this route

This calendar shows dated one-way fares from St Louis to Boston. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book St Louis to Boston.