Book United Boston to St. Louis flight deals from $224

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Search flights from Boston to St. Louis (BOS - STL)

January

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01/08/19

Return: 01/23/19
from$ 224*Viewed: 4 hours ago

01/15/19

Return: 01/30/19
from$ 224*Viewed: 4 hours ago

01/29/19

Return: 02/13/19
from$ 224*Viewed: 4 hours ago

February

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02/05/19

Return: 02/20/19
from$ 224*Viewed: 4 hours ago

02/12/19

Return: 02/27/19
from$ 224*Viewed: 4 hours ago

02/13/19

Return: 02/28/19
from$ 226*Viewed: 4 hours ago

March

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03/04/19

Return: 03/19/19
from$ 256*Viewed: 4 hours ago

03/05/19

Return: 03/20/19
from$ 254*Viewed: 4 hours ago

03/12/19

Return: 03/27/19
from$ 284*Viewed: 4 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Plan ahead for flights from Boston to St. Louis

from
to
Type
Dates
Price*
Boston (BOS)
to St. Louis (STL)
Roundtrip
Depart: 01/08/19
Return: 01/23/19
from$ 224*Viewed: 4 hours ago
Boston (BOS)
to St. Louis (STL)
Roundtrip
Depart: 01/15/19
Return: 01/30/19
from$ 224*Viewed: 4 hours ago
Boston (BOS)
to St. Louis (STL)
Roundtrip
Depart: 01/29/19
Return: 02/13/19
from$ 224*Viewed: 4 hours ago
Boston (BOS)
to St. Louis (STL)
Roundtrip
Depart: 02/05/19
Return: 02/20/19
from$ 224*Viewed: 4 hours ago
Boston (BOS)
to St. Louis (STL)
Roundtrip
Depart: 02/12/19
Return: 02/27/19
from$ 224*Viewed: 4 hours ago
Boston (BOS)
to St. Louis (STL)
Roundtrip
Depart: 01/09/19
Return: 01/24/19
from$ 226*Viewed: 4 hours ago
Boston (BOS)
to St. Louis (STL)
Roundtrip
Depart: 01/11/19
Return: 01/26/19
from$ 226*Viewed: 4 hours ago
Boston (BOS)
to St. Louis (STL)
Roundtrip
Depart: 01/12/19
Return: 01/27/19
from$ 226*Viewed: 4 hours ago
Boston (BOS)
to St. Louis (STL)
Roundtrip
Depart: 01/14/19
Return: 01/29/19
from$ 226*Viewed: 4 hours ago
Boston (BOS)
to St. Louis (STL)
Roundtrip
Depart: 01/16/19
Return: 01/31/19
from$ 226*Viewed: 4 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in St. Louis

47 °FMonday12/17/18
40 °FTuesday12/18/18
47 °FWednesday12/19/18
46 °FThursday12/20/18
50 °FFriday12/21/18
32 °FSaturday12/22/18
31 °FSunday12/23/18
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