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Cheap flights from Ottawa to Portland from C$ 347

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — PDX
9 Apr — 16 Apr1
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
Explore the most affordable flight options available from Ottawa to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 March 2026.

Sun 3/56:15 p.m.
YOW
-
PDX
2 stops22h 35m
WestJet
Sun 10/52:30 p.m.
PDX
-
YOW
1 stop21h 50m
WestJet
Deal found 7/3C$ 524
Tue 9/66:55 a.m.
YOW
-
PDX
2 stops9h 55m
WestJet
Tue 23/62:30 p.m.
PDX
-
YOW
1 stop12h 05m
WestJet
Deal found 6/3C$ 539
Wed 3/67:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Fri 5/62:30 p.m.
PDX
-
YOW
2 stops19h 00m
WestJet
Deal found 7/3C$ 582
Sat 2/56:00 a.m.
YOW
-
PDX
1 stop17h 42m
United Airlines
Sat 9/510:15 p.m.
PDX
-
YOW
1 stop7h 56m
United Airlines
Deal found 7/3C$ 611
Wed 3/62:52 p.m.
YOW
-
PDX
1 stop8h 27m
United Airlines
Fri 5/610:51 a.m.
PDX
-
YOW
1 stop7h 44m
United Airlines
Deal found 8/3C$ 615
Tue 14/77:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Tue 28/72:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Deal found 6/3C$ 623
Sat 4/46:45 a.m.
YOW
-
PDX
2 stops20h 30m
American Airlines
Sun 12/411:47 p.m.
PDX
-
YOW
2 stops15h 39m
American Airlines
Deal found 8/3C$ 624
Sat 2/56:15 p.m.
YOW
-
PDX
2 stops46h 35m
WestJet
Sun 10/52:30 p.m.
PDX
-
YOW
1 stop21h 50m
WestJet
Deal found 7/3C$ 628
Sat 6/67:20 a.m.
YOW
-
PDX
1 stop9h 30m
Multiple Airlines
Sat 13/62:30 p.m.
PDX
-
YOW
1 stop19h 28m
Multiple Airlines
Deal found 7/3C$ 632

Find flight deals from Ottawa to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 March 2026.

Round-trip from

C$ 524

One-way from

C$ 347

Popular in

October

Cheapest in

August

Average price

C$ 745
WestJet
  • WestJet
  • 3/5-10/5
  • 3 total stops
  • 44h 25m total
  • Ottawa to Portland
Search Deals
United Airlines
  • United Airlines
  • 13/5
  • 2 total stops
  • 16h 38m total
  • Ottawa to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 March 2026.
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 - PDX

YOWPDX

Ottawa

Sat 2/5

6:25 a.m.-11:37 a.m.

1 stop8h 12m

Portland

Sat 9/5

7:45 p.m.-10:03 a.m.

2 stops11h 18m

C$ 611

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Sun 3/5

5:25 p.m.-11:55 p.m.

1 stop9h 30m

Portland

Sat 9/5

10:15 p.m.-9:11 a.m.

1 stop7h 56m

C$ 611

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Wed 3/6

10:44 a.m.-11:53 p.m.

1 stop16h 09m

Portland

Fri 5/6

10:51 a.m.-9:35 p.m.

1 stop7h 44m

C$ 615

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Wed 3/6

6:15 p.m.-1:50 p.m.

2 stops22h 35m

Portland

Fri 5/6

2:30 p.m.-12:30 p.m.

2 stops19h 00m

C$ 624

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Tue 14/4

6:45 a.m.-10:56 p.m.

2 stops19h 11m

Portland

Tue 21/4

11:47 p.m.-6:26 p.m.

2 stops15h 39m

C$ 646

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Sat 6/6

6:55 a.m.-1:50 p.m.

2 stops9h 55m

Portland

Sat 13/6

2:30 p.m.-5:35 a.m.

1 stop12h 05m

C$ 653

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Thu 30/4

5:25 p.m.-10:35 p.m.

1 stop8h 10m

Portland

Mon 4/5

11:59 p.m.-4:38 p.m.

2 stops13h 39m

C$ 684
Quickest round-trip

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Sat 6/6

6:25 a.m.-11:38 a.m.

1 stop8h 13m

Portland

Sat 13/6

11:30 p.m.-10:03 a.m.

1 stop7h 33m

C$ 693
Cheapest one-way

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Wed 13/5

6:00 a.m.-7:38 p.m.

2 stops16h 38m

C$ 347

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Fri 24/4

6:45 a.m.-11:57 p.m.

2 stops20h 12m

C$ 358

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Ottawa to Portland?

Currently, August is the cheapest month in which you can book a flight from Ottawa to Portland (average of C$ 214). Flying from Ottawa to Portland in March is currently the most expensive (average of C$ 480). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated 10 March 2026.
See what other customers who have flown with United Airlines,WestJet, andAir Canada from Ottawa to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,409 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

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
7.4
Good
9,409 reviews
United Airlines
7.4
Good
9,409 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

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
WestJet
7.2
Good
3,288 reviews
United Airlines
7.4
Good
9,409 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

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
Air Canada
7.1
Good
10,800 reviews
United Airlines
7.4
Good
9,409 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

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

Find useful and relevant information for your journey from Ottawa to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ottawa to Portland?

    Departing from Ottawa to Portland will take you 8h 12m. Ottawa and Portland are separated by a distance of 3605 km.

  • What are the cheapest airlines flying from Ottawa to Portland round-trip?

    According to our current data, WestJet (C$ 242), United Airlines (C$ 364), and Air Canada (C$ 395) offers the cheapest pricing from Ottawa to Portland. You may be able to fly from Ottawa to Portland for 61% less than the average price by searching for these airlines.

  • 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.

  • What is the cheapest month to book a flight from Ottawa to Portland?

    Currently, August is the cheapest month in which you can book a flight from Ottawa to Portland (average of C$ 214). Flying from Ottawa to Portland in March is currently the most expensive (average of C$ 480). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Tillamook
Cannon Beach
Lincoln City

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Ottawa to Portland

Discover the top 3 airlines that operate flights from Ottawa to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 242AverageC$ 452FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 364AverageC$ 604FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 395AverageC$ 737FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa to Portland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Portland?

Cheapflights simply makes it quick and affordable to book flights from Ottawa to Portland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Portland from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ottawa to Portland become cheaper?

Of course! You can now track prices for flights from Ottawa to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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