Flights to Great Diamond Island from San Francisco - ￥32,040

View ￥32,040 flight on Fri, Aug 1, 2025Opens in a new window

Popular airlines from San Francisco to Great Diamond Island

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Cheap Flights from San Francisco to Great Diamond Island (SJC-PWM)

Prices were available within the past 7 days and start at ￥32,040 for one-way flights and ￥77,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Aug 1 - Mon, Aug 4
SFO
San Francisco
PWM
Portland
￥77,900 Roundtrip, found 1 day ago
￥77,900
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Aug 1 from San Francisco to Portland, returning Mon, Aug 4, priced at ￥77,900 found 1 day ago
Delta
Fri, Aug 1 - Mon, Aug 4
SFO
San Francisco
PWM
Portland
￥81,020 Roundtrip, found 1 day ago
￥81,020
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Aug 1 from San Francisco to Portland, returning Mon, Aug 4, priced at ￥81,020 found 1 day ago
Delta
Fri, Aug 1 - Mon, Aug 4
SFO
San Francisco
PWM
Portland
￥83,050 Roundtrip, found 1 day ago
￥83,050
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Aug 1 from San Francisco to Portland, returning Mon, Aug 4, priced at ￥83,050 found 1 day ago
Delta
Fri, Aug 1 - Mon, Aug 4
SFO
San Francisco
PWM
Portland
￥85,640 Roundtrip, found 1 day ago
￥85,640
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Aug 1 from San Francisco to Portland, returning Mon, Aug 4, priced at ￥85,640 found 1 day ago
American Airlines
Fri, Aug 1 - Mon, Aug 4
SFO
San Francisco
PWM
Portland
￥87,050 Roundtrip, found 1 day ago
￥87,050
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 1 from San Francisco to Portland, returning Mon, Aug 4, priced at ￥87,050 found 1 day ago
United
Fri, Aug 1 - Mon, Aug 4
SFO
San Francisco
PWM
Portland
￥93,360 Roundtrip, found 1 day ago
￥93,360
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 1 from San Francisco to Portland, returning Mon, Aug 4, priced at ￥93,360 found 1 day ago

Find the cheapest month to fly from San Francisco (SFO) to Portland (PWM)

September is typically the cheapest month to fly

From ￥29,605 - ￥84,229 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.