Cheap flights from Ottawa to Great Diamond Island from CA $361

Cheap flights from Ottawa (YOW) to Great Diamond Island (PWM)

Prices were available within the past 7 days and start at CA $361 for one-way flights and CA $648 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug. 13 - Wed, Aug. 20

YOW

Ottawa

PWM

Portland

CA $648 Roundtrip, found 12 hours ago

CA $648

Roundtrip

found 12 hours ago

Select United flight, departing Wed, Aug. 13 from Ottawa to Portland, returning Wed, Aug. 20, priced at CA $648 found 12 hours ago

Wed, Aug. 13 - Fri, Aug. 22

YOW

Ottawa

PWM

Portland

CA $665 Roundtrip, found 12 hours ago

CA $665

Roundtrip

found 12 hours ago

Select United flight, departing Wed, Aug. 13 from Ottawa to Portland, returning Fri, Aug. 22, priced at CA $665 found 12 hours ago

Wed, Aug. 13 - Fri, Aug. 22

YOW

Ottawa

PWM

Portland

CA $665 Roundtrip, found 12 hours ago

CA $665

Roundtrip

found 12 hours ago

Select United flight, departing Wed, Aug. 13 from Ottawa to Portland, returning Fri, Aug. 22, priced at CA $665 found 12 hours ago

Mon, Aug. 25 - Wed, Sep. 3

YOW

Ottawa

PWM

Portland

CA $666 Roundtrip, found 20 hours ago

CA $666

Roundtrip

found 20 hours ago

Select United flight, departing Mon, Aug. 25 from Ottawa to Portland, returning Wed, Sep. 3, priced at CA $666 found 20 hours ago

Wed, Aug. 13 - Sat, Aug. 23

YOW

Ottawa

PWM

Portland

CA $700 Roundtrip, found 12 hours ago

CA $700

Roundtrip

found 12 hours ago

Select Air Canada flight, departing Wed, Aug. 13 from Ottawa to Portland, returning Sat, Aug. 23, priced at CA $700 found 12 hours ago

Fri, Sep. 5 - Tue, Sep. 9

YOW

Ottawa

PWM

Portland

CA $960 Roundtrip, found 4 days ago

CA $960

Roundtrip

found 4 days ago

Select WestJet flight, departing Fri, Sep. 5 from Ottawa to Portland, returning Tue, Sep. 9, priced at CA $960 found 4 days ago