Book United San Francisco to San Juan flight deals from $321

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Search flights from San Francisco to San Juan (SFO - SJU)

October

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Wednesday 3rd

Return Thursday 18th
from$ 321*Viewed: 2 hours ago

Monday 22nd

Return Tuesday 6th
from$ 321*Viewed: 2 hours ago

Tuesday 23rd

Return Wednesday 7th
from$ 321*Viewed: 2 hours ago

November

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Tuesday 13th

Return Wednesday 28th
from$ 456*Viewed: 2 hours ago

Wednesday 14th

Return Thursday 29th
from$ 430*Viewed: 2 hours ago

Monday 19th

Return Tuesday 4th
from$ 472*Viewed: 2 hours ago

December

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Saturday 1st

Return Sunday 16th
from$ 481*Viewed: 2 hours ago

Tuesday 4th

Return Wednesday 19th
from$ 430*Viewed: 2 hours ago

Monday 10th

Return Tuesday 25th
from$ 481*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 San Francisco to San Juan

from
to
Type
Dates
Price*
San Francisco (SFO)
to San Juan (SJU)
Roundtrip
Depart Wed 3 Oct 2018
Return Thu 18 Oct 2018
from$ 321*Viewed: 2 hours ago
San Francisco (SFO)
to San Juan (SJU)
Roundtrip
Depart Mon 22 Oct 2018
Return Tue 6 Nov 2018
from$ 321*Viewed: 2 hours ago
San Francisco (SFO)
to San Juan (SJU)
Roundtrip
Depart Tue 23 Oct 2018
Return Wed 7 Nov 2018
from$ 321*Viewed: 2 hours ago
San Francisco (SFO)
to San Juan (SJU)
Roundtrip
Depart Tue 16 Oct 2018
Return Wed 31 Oct 2018
from$ 337*Viewed: 2 hours ago
San Francisco (SFO)
to San Juan (SJU)
Roundtrip
Depart Wed 24 Oct 2018
Return Thu 8 Nov 2018
from$ 337*Viewed: 2 hours ago
San Francisco (SFO)
to San Juan (SJU)
Roundtrip
Depart Fri 19 Oct 2018
Return Sat 3 Nov 2018
from$ 348*Viewed: 2 hours ago
San Francisco (SFO)
to San Juan (SJU)
Roundtrip
Depart Mon 21 Jan 2019
Return Tue 29 Jan 2019
from$ 348*Viewed: 16 hours ago
San Francisco (SFO)
to San Juan (SJU)
Roundtrip
Depart Sat 9 Feb 2019
Return Sun 17 Feb 2019
from$ 348*Viewed: 1 day ago
San Francisco (SFO)
to San Juan (SJU)
Roundtrip
Depart Mon 11 Feb 2019
Return Mon 18 Feb 2019
from$ 348*Viewed: 1 day ago
San Francisco (SFO)
to San Juan (SJU)
Roundtrip
Depart Wed 27 Feb 2019
Return Tue 5 Mar 2019
from$ 348*Viewed: 1 day 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.