Book United Boston to San Antonio flight deals from $220

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Search flights from Boston to San Antonio (BOS - SAT)

August

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Tuesday 21st

Return Wednesday 5th
from$ 220*Viewed: 2 hours ago

Monday 27th

Return Tuesday 11th
from$ 230*Viewed: 2 hours ago

Tuesday 28th

Return Wednesday 12th
from$ 220*Viewed: 2 hours ago

September

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Tuesday 11th

Return Wednesday 26th
from$ 220*Viewed: 2 hours ago

Tuesday 18th

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from$ 220*Viewed: 2 hours ago

Tuesday 25th

Return Wednesday 10th
from$ 220*Viewed: 2 hours ago

October

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Tuesday 2nd

Return Wednesday 17th
from$ 220*Viewed: 2 hours ago

Wednesday 3rd

Return Thursday 18th
from$ 230*Viewed: 2 hours ago

Tuesday 9th

Return Wednesday 24th
from$ 250*Viewed: 2 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..
Colorful umbrellas line a walkway along blue-green water in San Antonio

Plan ahead for flights from Boston to San Antonio

from
to
Type
Dates
Price*
Boston (BOS)
to San Antonio (SAT)
Roundtrip
Depart Tue 21 Aug 2018
Return Wed 5 Sep 2018
from$ 220*Viewed: 2 hours ago
Boston (BOS)
to San Antonio (SAT)
Roundtrip
Depart Tue 28 Aug 2018
Return Wed 12 Sep 2018
from$ 220*Viewed: 2 hours ago
Boston (BOS)
to San Antonio (SAT)
Roundtrip
Depart Tue 11 Sep 2018
Return Wed 26 Sep 2018
from$ 220*Viewed: 2 hours ago
Boston (BOS)
to San Antonio (SAT)
Roundtrip
Depart Tue 18 Sep 2018
Return Wed 3 Oct 2018
from$ 220*Viewed: 2 hours ago
Boston (BOS)
to San Antonio (SAT)
Roundtrip
Depart Tue 25 Sep 2018
Return Wed 10 Oct 2018
from$ 220*Viewed: 2 hours ago
Boston (BOS)
to San Antonio (SAT)
Roundtrip
Depart Tue 2 Oct 2018
Return Wed 17 Oct 2018
from$ 220*Viewed: 2 hours ago
Boston (BOS)
to San Antonio (SAT)
Roundtrip
Depart Mon 27 Aug 2018
Return Tue 11 Sep 2018
from$ 230*Viewed: 2 hours ago
Boston (BOS)
to San Antonio (SAT)
Roundtrip
Depart Wed 3 Oct 2018
Return Thu 18 Oct 2018
from$ 230*Viewed: 2 hours ago
Boston (BOS)
to San Antonio (SAT)
Roundtrip
Depart Thu 8 Nov 2018
Return Tue 27 Nov 2018
from$ 240*Viewed: 1 day ago
Boston (BOS)
to San Antonio (SAT)
Roundtrip
Depart Fri 24 Aug 2018
Return Sat 8 Sep 2018
from$ 250*Viewed: 2 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 San Antonio

97 °FTuesday07/17/2018
95 °FWednesday07/18/2018
96 °FThursday07/19/2018
96 °FFriday07/20/2018
97 °FSaturday07/21/2018
96 °FSunday07/22/2018
94 °FMonday07/23/2018
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