Flights to Casco Bay Islands from Oklahoma City - $167

View $167 flight on Wed, Sep 3, 2025Opens in a new window

Popular airlines from Oklahoma City to Casco Bay Islands

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

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Cheap Flights from Oklahoma City to Casco Bay Islands (OKC-PWM)

Prices were available within the past 7 days and start at $167 for one-way flights and $313 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 22 - Wed, Sep 24
OKC
Oklahoma City
PWM
Portland
$313 Roundtrip, found 3 days ago
$313
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 22 from Oklahoma City to Portland, returning Wed, Sep 24, priced at $313 found 3 days ago
Southwest Airlines
Mon, Oct 27 - Thu, Oct 30
OKC
Oklahoma City
PWM
Portland
$313 Roundtrip, found 3 days ago
$313
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Mon, Oct 27 from Oklahoma City to Portland, returning Thu, Oct 30, priced at $313 found 3 days ago
Delta
Mon, Sep 22 - Mon, Sep 29
OKC
Oklahoma City
PWM
Portland
$317 Roundtrip, found 3 days ago
$317
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 22 from Oklahoma City to Portland, returning Mon, Sep 29, priced at $317 found 3 days ago
United
Sat, Aug 23 - Sat, Aug 30
OKC
Oklahoma City
PWM
Portland
$318 Roundtrip, found 4 days ago
$318
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 23 from Oklahoma City to Portland, returning Sat, Aug 30, priced at $318 found 4 days ago
Southwest Airlines
Mon, Sep 22 - Mon, Sep 29
OKC
Oklahoma City
PWM
Portland
$320 Roundtrip, found 3 days ago
$320
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Mon, Sep 22 from Oklahoma City to Portland, returning Mon, Sep 29, priced at $320 found 3 days ago
American Airlines
Wed, Sep 3 - Sat, Sep 6
OKC
Oklahoma City
PWM
Portland
$333 Roundtrip, just found
$333
Roundtrip
just found
Select American Airlines flight, departing Wed, Sep 3 from Oklahoma City to Portland, returning Sat, Sep 6, priced at $333 just found

Find the cheapest month to fly from Oklahoma City (OKC) to Portland (PWM)

May is typically the cheapest month to fly

From $255 - $692 per traveler.

Graph displaying average flight prices per month

Alternative airports

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 $430
PWM
Portland Intl. Jetport
Cheapest
Flights from $430
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