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Cheap flights from St Louis (STL) to Boston (BOS)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Boston (BOS)

How to find the cheapest flight from St Louis (STL) to Boston (BOS)
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How to find the cheapest flight from St Louis (STL) to Boston (BOS)
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How to find the cheapest flight from St Louis (STL) to Boston (BOS)
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Cheap flights from St Louis to Boston in November , December 2025

27 Nov - 09 Dec $ 224.00
STL
St Louis
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
STL
St Louis
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26 Nov - 10 Dec $ 908.00
STL
St Louis
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
STL
St Louis
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25 Nov - 01 Dec $ 1,522.00
STL
St Louis
Hawaiian Airlines
2 STOPS
BOS
Boston
BOS
Boston
Hawaiian Airlines
1 STOPS
STL
St Louis
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Last minute flights from St Louis to Boston

27 Nov - 30 Nov $ 475.00
STL
St Louis
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
STL
St Louis
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27 Nov - 01 Dec $ 871.00
STL
St Louis
United Airlines
1 STOPS
BOS
Boston
BOS
Boston
United Airlines
1 STOPS
STL
St Louis
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23 Nov - 30 Nov $ 1,571.00
STL
St Louis
United Airlines
1 STOPS
BOS
Boston
BOS
Boston
United Airlines
1 STOPS
STL
St Louis
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One-way flights to Boston from St Louis

3:14 PM - 10:05 PM
Frontier Airlines
1 Stops
8h 30m
STL - BOS
$ 137
Kiwi
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6:43 PM - 6:15 AM
United Airlines
1 Stops
13h 48m
STL - BOS
$ 187
Kiwi
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1:10 PM - 5:10 PM
United Airlines
1 Stops
4h 38m
STL - BOS
$ 534
Kiwi
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How to find the cheapest flight from St Louis (STL) to Boston (BOS)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to Boston (BOS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Boston (BOS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.