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Cheap flights from Ottawa to Portland, ME from C$ 382

YOW — PWM
12 Oct — 19 Oct1
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

Tue 13/106:05 a.m. -
1 stop14h 17m
Tue 20/106:00 a.m. -
1 stop10h 38m
Deal found 8/9C$ 682
Fri 9/103:10 p.m. -
1 stop8h 18m
Fri 16/106:00 a.m. -
1 stop10h 38m
Deal found 9/9C$ 805
Sat 17/107:30 p.m. -
1 stop4h 29m
Wed 21/107:25 p.m. -
1 stop4h 29m
Deal found 11/9C$ 806
Sat 17/102:35 p.m. -
2 stops8h 53m
Wed 21/106:00 a.m. -
1 stop10h 38m
Deal found 11/9C$ 810
Mon 5/106:25 a.m. -
1 stop8h 13m
Mon 12/105:15 a.m. -
1 stop4h 41m
Deal found 8/9C$ 838

Find flight deals from Ottawa to Portland

Round-trip from

C$ 682

One-way from

C$ 382
Air Canada
  • Air Canada
  • 13/10-20/10
  • 2 total stops
  • 24h 55m total
  • Ottawa to Portland
Search Deals
Air Canada
  • Air Canada
  • 24/10-31/12
  • 1 total stop
  • 14h 59m 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

OttawaPortland

YOW Ottawa - PWM Portland

YOWPWM

Ottawa

Sat 24/10

6:01 p.m.-9:00 a.m.

1 stop14h 59m

Portland

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 382
Quickest round-trip

OttawaPortland

YOW Ottawa - PWM Portland

YOWPWM

Ottawa

Sat 10/10

6:01 p.m.-11:28 p.m.

1 stop5h 27m

Portland

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 445

OttawaPortland

YOW Ottawa - PWM Portland

YOWPWM

Ottawa

Sat 24/10

7:00 a.m.-4:47 p.m.

2 stops9h 47m

Portland

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 456

OttawaPortland

YOW Ottawa - PWM Portland

YOWPWM

Ottawa

Sat 10/10

6:25 p.m.-11:57 a.m.

3 stops41h 32m

Portland

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 665

OttawaPortland

YOW Ottawa - PWM Portland

YOWPWM

Ottawa

Tue 13/10

6:05 a.m.-8:22 p.m.

1 stop14h 17m

Portland

Tue 20/10

6:00 a.m.-4:38 p.m.

1 stop10h 38m

C$ 682

OttawaPortland

YOW Ottawa - PWM Portland

YOWPWM

Ottawa

Sat 17/10

7:30 p.m.-11:59 p.m.

1 stop4h 29m

Portland

Wed 21/10

7:25 p.m.-11:54 p.m.

1 stop4h 29m

C$ 806

OttawaPortland

YOW Ottawa - PWM Portland

YOWPWM

Ottawa

Fri 9/10

6:25 a.m.-9:46 p.m.

1 stop15h 21m

Portland

Mon 12/10

5:15 a.m.-9:56 a.m.

1 stop4h 41m

C$ 806

OttawaPortland

YOW Ottawa - PWM Portland

YOWPWM

Ottawa

Sat 24/10

2:52 p.m.-11:59 p.m.

1 stop9h 07m

Portland

Sat 31/10

8:31 a.m.-9:16 p.m.

1 stop12h 45m

C$ 808

OttawaPortland

YOW Ottawa - PWM Portland

YOWPWM

Ottawa

Sat 17/10

2:35 p.m.-11:28 p.m.

2 stops8h 53m

Portland

Wed 21/10

6:00 a.m.-4:38 p.m.

1 stop10h 38m

C$ 810

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

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$ 786.

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
7.4
Good
10,207 reviews
Check prices

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.7

Overall

7.4

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
7.4
Good
10,207 reviews
United Airlines
7.4
Good
10,207 reviews
Check prices

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.7

Overall

7.4

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 4h 29m. Air Canada provides one of the quickest options available for as low as C$ 806. The distance between Ottawa and Portland, Maine is about 463 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at C$ 486, 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$ 486AverageC$ 859FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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Why should you use Cheapflights to find cheap flight tickets 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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