Cheap flights from Ottawa to Great Diamond Island from CA $394

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

Prices were available within the past 7 days and start at CA $394 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 6 hours ago

CA $647

Roundtrip

found 6 hours ago

Select United flight, departing Tue, Aug. 19 from Ottawa to Portland, returning Tue, Sep. 9, priced at CA $647 found 6 hours ago

Tue, Aug. 19 - Sat, Aug. 30

YOW

Ottawa

PWM

Portland

CA $661 Roundtrip, found 6 hours ago

CA $661

Roundtrip

found 6 hours ago

Select United flight, departing Tue, Aug. 19 from Ottawa to Portland, returning Sat, Aug. 30, priced at CA $661 found 6 hours ago

Tue, Aug. 19 - Fri, Sep. 5

YOW

Ottawa

PWM

Portland

CA $665 Roundtrip, found 6 hours ago

CA $665

Roundtrip

found 6 hours ago

Select United flight, departing Tue, Aug. 19 from Ottawa to Portland, returning Fri, Sep. 5, priced at CA $665 found 6 hours ago

Tue, Sep. 9 - Tue, Sep. 23

YOW

Ottawa

PWM

Portland

CA $674 Roundtrip, found 6 days ago

CA $674

Roundtrip

found 6 days ago

Select United flight, departing Tue, Sep. 9 from Ottawa to Portland, returning Tue, Sep. 23, priced at CA $674 found 6 days ago

Wed, Aug. 13 - Thu, Aug. 21

YOW

Ottawa

PWM

Portland

CA $702 Roundtrip, found 1 day ago

CA $702

Roundtrip

found 1 day ago

Select Air Canada flight, departing Wed, Aug. 13 from Ottawa to Portland, returning Thu, Aug. 21, priced at CA $702 found 1 day ago

Sat, Aug. 30 - Sat, Sep. 6

YOW

Ottawa

PWM

Portland

CA $925 Roundtrip, found 10 hours ago

CA $925

Roundtrip

found 10 hours ago

Select WestJet flight, departing Sat, Aug. 30 from Ottawa to Portland, returning Sat, Sep. 6, priced at CA $925 found 10 hours ago