Cheap flights from Ottawa to Great Diamond Island from CA $378

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

Prices were available within the past 7 days and start at CA $378 for one-way flights and CA $647 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug. 19 - Tue, Sep. 9

YOW

Ottawa

PWM

Portland

CA $647 Roundtrip, found 3 days ago

CA $647

Roundtrip

found 3 days ago

Select United flight, departing Tue, Aug. 19 from Ottawa to Portland, returning Tue, Sep. 9, priced at CA $647 found 3 days ago

Wed, Aug. 27 - Tue, Sep. 9

YOW

Ottawa

PWM

Portland

CA $655 Roundtrip, found 2 days ago

CA $655

Roundtrip

found 2 days ago

Select United flight, departing Wed, Aug. 27 from Ottawa to Portland, returning Tue, Sep. 9, priced at CA $655 found 2 days ago

Tue, Sep. 9 - Tue, Sep. 23

YOW

Ottawa

PWM

Portland

CA $664 Roundtrip, found 2 days ago

CA $664

Roundtrip

found 2 days ago

Select United flight, departing Tue, Sep. 9 from Ottawa to Portland, returning Tue, Sep. 23, priced at CA $664 found 2 days ago

Wed, Aug. 27 - Fri, Sep. 12

YOW

Ottawa

PWM

Portland

CA $668 Roundtrip, found 2 days ago

CA $668

Roundtrip

found 2 days ago

Select United flight, departing Wed, Aug. 27 from Ottawa to Portland, returning Fri, Sep. 12, priced at CA $668 found 2 days ago

Fri, Sep. 5 - Tue, Sep. 9

YOW

Ottawa

PWM

Portland

CA $697 Roundtrip, found 7 hours ago

CA $697

Roundtrip

found 7 hours ago

Select Air Canada flight, departing Fri, Sep. 5 from Ottawa to Portland, returning Tue, Sep. 9, priced at CA $697 found 7 hours ago

Sat, Aug. 30 - Sat, Sep. 6

YOW

Ottawa

PWM

Portland

CA $925 Roundtrip, found 3 days ago

CA $925

Roundtrip

found 3 days ago

Select WestJet flight, departing Sat, Aug. 30 from Ottawa to Portland, returning Sat, Sep. 6, priced at CA $925 found 3 days ago