Book United Portland, ME to San Francisco flight deals from $274

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Search flights from Portland, ME to San Francisco (PWM - SFO)

August

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Saturday 25th

Return Sunday 9th
from$ 274*Viewed: 2 hours ago

Tuesday 28th

Return Wednesday 12th
from$ 274*Viewed: 2 hours ago

Friday 31st

Return Saturday 15th
from$ 299*Viewed: 2 hours ago

September

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Saturday 1st

Return Sunday 16th
from$ 274*Viewed: 2 hours ago

Thursday 6th

Return Friday 21st
from$ 312*Viewed: 2 hours ago

Friday 7th

Return Saturday 22nd
from$ 299*Viewed: 2 hours ago

October

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Tuesday 9th

Return Wednesday 24th
from$ 299*Viewed: 2 hours ago

Friday 12th

Return Saturday 27th
from$ 299*Viewed: 2 hours ago

Tuesday 16th

Return Wednesday 31st
from$ 299*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..

Plan ahead for flights from Portland, ME to San Francisco

from
to
Type
Dates
Price*
Portland, ME (PWM)
to San Francisco (SFO)
Roundtrip
Depart Sat 25 Aug 2018
Return Sun 9 Sep 2018
from$ 274*Viewed: 2 hours ago
Portland, ME (PWM)
to San Francisco (SFO)
Roundtrip
Depart Tue 28 Aug 2018
Return Wed 12 Sep 2018
from$ 274*Viewed: 2 hours ago
Portland, ME (PWM)
to San Francisco (SFO)
Roundtrip
Depart Sat 1 Sep 2018
Return Sun 16 Sep 2018
from$ 274*Viewed: 2 hours ago
Portland, ME (PWM)
to San Francisco (SFO)
Roundtrip
Depart Fri 31 Aug 2018
Return Sat 15 Sep 2018
from$ 299*Viewed: 2 hours ago
Portland, ME (PWM)
to San Francisco (SFO)
Roundtrip
Depart Fri 7 Sep 2018
Return Sat 22 Sep 2018
from$ 299*Viewed: 2 hours ago
Portland, ME (PWM)
to San Francisco (SFO)
Roundtrip
Depart Tue 9 Oct 2018
Return Wed 24 Oct 2018
from$ 299*Viewed: 2 hours ago
Portland, ME (PWM)
to San Francisco (SFO)
Roundtrip
Depart Fri 12 Oct 2018
Return Sat 27 Oct 2018
from$ 299*Viewed: 2 hours ago
Portland, ME (PWM)
to San Francisco (SFO)
Roundtrip
Depart Sat 13 Oct 2018
Return Sun 28 Oct 2018
from$ 299*Viewed: 2 hours ago
Portland, ME (PWM)
to San Francisco (SFO)
Roundtrip
Depart Tue 16 Oct 2018
Return Wed 31 Oct 2018
from$ 299*Viewed: 2 hours ago
Portland, ME (PWM)
to San Francisco (SFO)
Roundtrip
Depart Thu 30 Aug 2018
Return Fri 14 Sep 2018
from$ 312*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 Francisco

64 °FWednesday07/18/2018
70 °FThursday07/19/2018
71 °FFriday07/20/2018
81 °FSaturday07/21/2018
76 °FSunday07/22/2018
76 °FMonday07/23/2018
75 °FTuesday07/24/2018
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