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Cheap flights from Ottawa to Portland, ME from C$ 813

YOW — PWM
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Portland

Thu 3/124:40 p.m. -
2 stops43h 08m
Wed 9/127:12 p.m. -
1 stop28h 57m
Deal found 27/10C$ 813
Sat 14/116:15 a.m. -
1 stop15h 33m
Mon 16/118:49 a.m. -
1 stop13h 07m
Deal found 25/10C$ 889
Sun 27/122:00 p.m. -
1 stop9h 59m
Mon 28/125:15 a.m. -
1 stop14h 12m
Deal found 25/10C$ 977
Mon 28/122:00 p.m. -
1 stop9h 59m
Tue 29/127:44 p.m. -
1 stop26h 12m
Deal found 25/10C$ 1,054
Thu 3/1210:05 a.m. -
2 stops10h 37m
Wed 9/126:00 a.m. -
2 stops9h 57m
Deal found 27/10C$ 1,060

Find flight deals from Ottawa to Portland

Round-trip from

C$ 813
3/12-9/12
  • 3/12-9/12
  • 3 total stops
  • 72h 05m total
  • Ottawa to Portland
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ottawa to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OttawaPortland

YOW Ottawa - PWM Portland

YOWPWM

Ottawa

Sat 9/1

6:15 a.m.-2:51 p.m.

1 stop8h 36m

Portland

Wed 13/1

9:40 a.m.-3:07 p.m.

1 stop5h 27m

C$ 887

OttawaPortland

YOW Ottawa - PWM Portland

YOWPWM

Ottawa

Sat 14/11

12:10 p.m.-9:48 p.m.

2 stops9h 38m

Portland

Mon 16/11

8:49 a.m.-1:10 p.m.

2 stops28h 21m

C$ 941

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Sorted by cheapest first

Best time to book a flight from Ottawa to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Ottawa with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Portland

What’s the top layover airport for flights from Ottawa to Portland, Maine?

Washington, D.C. (IAD) – chosen by Cheapflights users on 67% of one-stop itineraries from Ottawa to Portland, Maine on Cheapflights.

What’s the cheapest layover airport for flights from Ottawa to Portland, Maine?

Washington, D.C. (IAD) is the most affordable 1-stop option, with an average round-trip price of C$ 796.

What’s the fastest layover option from Ottawa to Portland, Maine?

Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 4h 35m.

Which airport typically offers the quickest layover for flights from Ottawa to Portland, Maine?

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 0h 55m.

Reviews of airlines servicing Portland

Read through reviews of airlines operating flights from Ottawa to Portland, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.3
Good
10,444 reviews
Check prices

Comfort

7.3

Crew

8.1

Overall

7.3

Entertainment

7.1

Boarding

7.7

Food

6.7

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.3
Good
10,444 reviews
United Airlines
7.3
Good
10,444 reviews
Check prices

Comfort

7.3

Crew

8.1

Overall

7.3

Entertainment

7.1

Boarding

7.7

Food

6.7

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

  • How long is the flight from Ottawa to Portland, Maine?

    A quick flight from Ottawa to Portland, Maine can take about 8h 36m. United Airlines provides one of the quickest options available for as low as C$ 887. The distance between Ottawa and Portland, Maine is about 463 km.

  • What is the cheapest airline to fly from Ottawa to Portland, Maine round-trip?

    Currently priced at C$ 492, United Airlines will fly you from Ottawa to Portland, Maine and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from Ottawa to Portland that include hotel bookings?

    Yes. In addition to deals on Ottawa to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Portland.

  • Can I find deals for business class flights from Ottawa to Portland?

    Yes. Cheapflights offers flight deals from Ottawa to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Conway
North Conway

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Ottawa to Portland

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 492AverageC$ 870FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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How does Cheapflights help users find flights from Ottawa to Portland?

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Can Cheapflights find flights from Ottawa to Portland with no change fees?

Need flexible booking options for your flight to Portland from Ottawa? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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