Book United Boston to San Juan flight deals from $248

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

October

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Monday 8th

Return Tuesday 23rd
from$ 318*Viewed: 2 hours ago

Monday 22nd

Return Tuesday 6th
from$ 248*Viewed: 2 hours ago

Monday 29th

Return Tuesday 13th
from$ 292*Viewed: 2 hours ago

November

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Tuesday 13th

Return Wednesday 28th
from$ 423*Viewed: 2 hours ago

Wednesday 14th

Return Thursday 29th
from$ 362*Viewed: 2 hours ago

Monday 19th

Return Tuesday 4th
from$ 385*Viewed: 2 hours ago

December

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Tuesday 4th

Return Wednesday 19th
from$ 362*Viewed: 2 hours ago

Wednesday 5th

Return Thursday 20th
from$ 362*Viewed: 2 hours ago

Monday 10th

Return Tuesday 25th
from$ 393*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..
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 Mon 22 Oct 2018
Return Tue 6 Nov 2018
from$ 248*Viewed: 2 hours ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Mon 29 Oct 2018
Return Tue 13 Nov 2018
from$ 292*Viewed: 2 hours ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Mon 8 Oct 2018
Return Tue 23 Oct 2018
from$ 318*Viewed: 2 hours ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Fri 19 Oct 2018
Return Sat 3 Nov 2018
from$ 324*Viewed: 2 hours ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Sat 20 Oct 2018
Return Sun 4 Nov 2018
from$ 332*Viewed: 2 hours ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Tue 9 Oct 2018
Return Wed 24 Oct 2018
from$ 346*Viewed: 2 hours ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Thu 18 Oct 2018
Return Fri 2 Nov 2018
from$ 346*Viewed: 2 hours ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Tue 30 Oct 2018
Return Wed 14 Nov 2018
from$ 346*Viewed: 2 hours ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Sat 9 Feb 2019
Return Sat 16 Feb 2019
from$ 346*Viewed: 2 hours ago
Boston (BOS)
to San Juan (SJU)
Roundtrip
Depart Wed 24 Oct 2018
Return Thu 8 Nov 2018
from$ 359*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.