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Low fare calendar for flights from Saint Louis (STL) to Boston (BOS)

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$420 Price subject to changes
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$421 Price subject to changes
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$421 Price subject to changes
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$421 Price subject to changes
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$417 Price subject to changes
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$417 Price subject to changes
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$421 Price subject to changes
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$417 Price subject to changes
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$236 Price subject to changes
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$216 Price subject to changes
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$216 Price subject to changes
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$216 Price subject to changes
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$216 Price subject to changes
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$236 Price subject to changes
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$216 Price subject to changes
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$236 Price subject to changes
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$216 Price subject to changes
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$216 Price subject to changes
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$216 Price subject to changes
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$216 Price subject to changes
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$236 Price subject to changes
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Lowest PriceToday
*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.

Looking for additional flights from Saint Louis to Boston?

FromToDatesFare TypePrice

Saint Louis (STL)

Boston (BOS)

Depart: 09/05/20

Return: 09/19/20

Roundtrip
from
$216*
Viewed:13hoursago

Saint Louis (STL)

Boston (BOS)

Depart: 09/07/20

Return: 09/21/20

Roundtrip
from
$216*
Viewed:13hoursago

Saint Louis (STL)

Boston (BOS)

Depart: 09/08/20

Return: 09/22/20

Roundtrip
from
$216*
Viewed:13hoursago

Saint Louis (STL)

Boston (BOS)

Depart: 09/09/20

Return: 09/23/20

Roundtrip
from
$216*
Viewed:13hoursago

Saint Louis (STL)

Boston (BOS)

Depart: 09/10/20

Return: 09/24/20

Roundtrip
from
$216*
Viewed:13hoursago

Saint Louis (STL)

Boston (BOS)

Depart: 09/12/20

Return: 09/26/20

Roundtrip
from
$216*
Viewed:13hoursago

Saint Louis (STL)

Boston (BOS)

Depart: 09/14/20

Return: 09/28/20

Roundtrip
from
$216*
Viewed:13hoursago

Saint Louis (STL)

Boston (BOS)

Depart: 09/15/20

Return: 09/29/20

Roundtrip
from
$216*
Viewed:13hoursago

Saint Louis (STL)

Boston (BOS)

Depart: 09/16/20

Return: 09/30/20

Roundtrip
from
$216*
Viewed:13hoursago

Saint Louis (STL)

Boston (BOS)

Depart: 09/17/20

Return: 10/01/20

Roundtrip
from
$216*
Viewed:13hoursago

*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 Boston

Monday few clouds
75°F 07/06/20
Tuesday overcast clouds
75°F 07/07/20
Wednesday moderate rain
80°F 07/08/20
Thursday few clouds
84°F 07/09/20
Friday heavy intensity rain
79°F 07/10/20
Saturday moderate rain
80°F 07/11/20
Sunday light rain
84°F 07/12/20
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