Photo by Robbie Martin

Popular airlines from Columbus to Great Diamond Island
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- Breeze Airways
Breeze Airways
- Frontier Airlines
Frontier Airlines
- Plan, book, fly with confidence
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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 $71 for one-way flights and $147 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 15 - Fri, Sep 19
CMH
Columbus
PWM
Portland
$147 Roundtrip, found 2 hours ago
$147
Roundtrip
found 2 hours ago

Mon, Sep 15 - Fri, Sep 19
CMH
Columbus
PWM
Portland
$152 Roundtrip, found 2 hours ago
$152
Roundtrip
found 2 hours ago

Thu, Sep 25 - Fri, Sep 26
CMH
Columbus
PWM
Portland
$160 Roundtrip, found 6 days ago
$160
Roundtrip
found 6 days ago

Fri, Sep 19 - Fri, Sep 26
CMH
Columbus
PWM
Portland
$177 Roundtrip, found 6 days ago
$177
Roundtrip
found 6 days ago

Mon, Sep 15 - Fri, Sep 19
CMH
Columbus
PWM
Portland
$189 Roundtrip, found 2 hours ago
$189
Roundtrip
found 2 hours ago

Sat, Aug 9 - Wed, Aug 13
CMH
Columbus
PWM
Portland
$195 Roundtrip, found 3 days ago
$195
Roundtrip
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 $126 - $369 per traveler.
Graph displaying average flight prices per month
Alternative airports near Great Diamond Island
Prices were available within the past 7 days. Prices and availability are subject to change.
Select flight to Portland Intl. Jetport PWM. Cheapest option available. Flights from $292
PWM
Portland Intl. Jetport
Cheapest
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- Visit Peaks Island
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- Portland Vacations
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