Book United Boston to San Juan flight deals from $250

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Search flights from Boston to San Juan (BOS - SJU)

August

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Monday 27th

Return Tuesday 11th
from$ 278*Viewed: 1 hour ago

Wednesday 29th

Return Thursday 13th
from$ 250*Viewed: 1 hour ago

Thursday 30th

Return Friday 14th
from$ 250*Viewed: 1 hour ago

September

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Thursday 13th

Return Friday 28th
from$ 250*Viewed: 1 hour ago

Thursday 20th

Return Friday 5th
from$ 250*Viewed: 1 hour ago

Thursday 27th

Return Friday 12th
from$ 250*Viewed: 1 hour ago

October

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Monday 1st

Return Tuesday 16th
from$ 250*Viewed: 1 hour ago

Wednesday 3rd

Return Thursday 18th
from$ 250*Viewed: 1 hour ago

Wednesday 10th

Return Thursday 25th
from$ 250*Viewed: 1 hour 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..
Two-story homes in orange, green, and blue line the streets of San Juan

Plan ahead for flights from Boston to San Juan

from
to
Type
Dates
Price*
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Wed 29 Aug 2018
Return Thu 13 Sep 2018
from$ 250*Viewed: 1 hour ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Thu 30 Aug 2018
Return Fri 14 Sep 2018
from$ 250*Viewed: 1 hour ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Thu 6 Sep 2018
Return Fri 21 Sep 2018
from$ 250*Viewed: 1 hour ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Sun 9 Sep 2018
Return Mon 24 Sep 2018
from$ 250*Viewed: 1 hour ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Thu 13 Sep 2018
Return Fri 28 Sep 2018
from$ 250*Viewed: 1 hour ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Sun 16 Sep 2018
Return Mon 1 Oct 2018
from$ 250*Viewed: 1 hour ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Mon 17 Sep 2018
Return Tue 2 Oct 2018
from$ 250*Viewed: 1 hour ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Thu 20 Sep 2018
Return Fri 5 Oct 2018
from$ 250*Viewed: 1 hour ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Thu 27 Sep 2018
Return Fri 12 Oct 2018
from$ 250*Viewed: 1 hour ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Mon 1 Oct 2018
Return Tue 16 Oct 2018
from$ 250*Viewed: 1 hour 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 Juan

78 °FTuesday07/17/2018
81 °FWednesday07/18/2018
80 °FThursday07/19/2018
86 °FFriday07/20/2018
85 °FSaturday07/21/2018
85 °FSunday07/22/2018
85 °FMonday07/23/2018
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