Flights to Great Diamond Island from Columbus - ￥29,910

View ￥29,910 flight on Thu, Jul 24, 2025Opens in a new window

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Cheap Flights from Columbus to Great Diamond Island (CMH-PWM)

Prices were available within the past 7 days and start at ￥29,910 for one-way flights and ￥46,170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Jul 25 - Wed, Jul 30
CMH
Columbus
PWM
Portland
￥46,170 Roundtrip, found 3 days ago
￥46,170
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Jul 25 from Columbus to Portland, returning Wed, Jul 30, priced at ￥46,170 found 3 days ago
Delta
Sun, Jul 27 - Thu, Jul 31
CMH
Columbus
PWM
Portland
￥46,820 Roundtrip, found 3 days ago
￥46,820
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Jul 27 from Columbus to Portland, returning Thu, Jul 31, priced at ￥46,820 found 3 days ago
Delta
Thu, Jul 24 - Thu, Jul 31
CMH
Columbus
PWM
Portland
￥46,920 Roundtrip, found 3 days ago
￥46,920
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jul 24 from Columbus to Portland, returning Thu, Jul 31, priced at ￥46,920 found 3 days ago
United
Thu, Jul 24 - Thu, Jul 31
CMH
Columbus
PWM
Portland
￥51,980 Roundtrip, found 3 days ago
￥51,980
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jul 24 from Columbus to Portland, returning Thu, Jul 31, priced at ￥51,980 found 3 days ago
Delta
Thu, Jul 24 - Wed, Jul 30
CMH
Columbus
PWM
Portland
￥52,190 Roundtrip, found 3 days ago
￥52,190
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jul 24 from Columbus to Portland, returning Wed, Jul 30, priced at ￥52,190 found 3 days ago
American Airlines
Thu, Jul 24 - Thu, Jul 31
CMH
Columbus
PWM
Portland
￥57,460 Roundtrip, found 3 days ago
￥57,460
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Jul 24 from Columbus to Portland, returning Thu, Jul 31, priced at ￥57,460 found 3 days ago

Find the cheapest month to fly from Columbus (CMH) to Portland (PWM)

May is typically the cheapest month to fly

From ￥18,503 - ￥54,081 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.