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Cheap flights from Ottawa to Portland from C$ 425

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 16/2. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — PDX
25 feb. — 4 mar.1
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 26 enero 2026.

mar. 14/76:15 a.m.
YOW
-
PDX
2 stops10h 05m
WestJet
mar. 28/72:00 p.m.
PDX
-
YOW
2 stops12h 28m
WestJet
Deal found 24/1C$ 572
vie. 27/23:55 p.m.
YOW
-
PDX
1 stop31h 54m
Multiple Airlines
dom. 8/39:53 a.m.
PDX
-
YOW
2 stops49h 51m
Multiple Airlines
Deal found 25/1C$ 638
mar. 31/35:40 a.m.
YOW
-
PDX
2 stops30h 47m
Multiple Airlines
mié. 8/410:30 a.m.
PDX
-
YOW
1 stop25h 14m
Multiple Airlines
Deal found 26/1C$ 657
lun. 30/35:00 p.m.
YOW
-
PDX
2 stops19h 23m
Multiple Airlines
mié. 8/410:30 a.m.
PDX
-
YOW
1 stop25h 14m
Multiple Airlines
Deal found 26/1C$ 663
lun. 30/34:40 p.m.
YOW
-
PDX
1 stop19h 43m
Multiple Airlines
jue. 9/45:19 p.m.
PDX
-
YOW
2 stops42h 25m
Multiple Airlines
Deal found 26/1C$ 664
dom. 21/66:15 p.m.
YOW
-
PDX
2 stops46h 05m
WestJet
mar. 30/62:00 p.m.
PDX
-
YOW
1 stop7h 40m
WestJet
Deal found 26/1C$ 666
lun. 30/34:40 p.m.
YOW
-
PDX
1 stop19h 43m
Multiple Airlines
mar. 7/410:30 a.m.
PDX
-
YOW
1 stop25h 14m
Multiple Airlines
Deal found 26/1C$ 671

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 26 enero 2026.

Round-trip from

C$ 575

One-way from

C$ 425

Popular in

October

Cheapest in

July

Average price

C$ 742
WestJet
  • WestJet
  • 14/7-28/7
  • 4 total stops
  • 22h 33m total
  • Ottawa to Portland
Search Deals
16/2
  • 16/2
  • 3 total stops
  • 40h 34m total
  • Ottawa to Portland
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 26 enero 2026.
Use the filters below to find and compare flights from Ottawa to Portland that are best for you.

Fly from

Ottawa

Fly to

Portland

Route

Depart

Return

Price

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

mar. 14/7

6:15 a.m.-1:20 p.m.

2 stops10h 05m

Portland

mar. 28/7

2:00 p.m.-5:28 a.m.

2 stops12h 28m

C$ 572

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

vie. 15/5

1:20 p.m.-11:53 p.m.

2 stops13h 33m

Portland

sáb. 23/5

3:50 p.m.-5:40 a.m.

2 stops10h 50m

C$ 666

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

dom. 21/6

6:15 p.m.-1:20 p.m.

2 stops46h 05m

Portland

mar. 30/6

2:00 p.m.-5:28 a.m.

2 stops12h 28m

C$ 666

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

lun. 30/3

4:40 p.m.-9:23 a.m.

1 stop19h 43m

Portland

mié. 8/4

10:30 a.m.-2:44 p.m.

1 stop25h 14m

C$ 671

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

mié. 1/4

5:40 a.m.-9:38 p.m.

2 stops18h 58m

Portland

jue. 9/4

10:30 a.m.-2:44 p.m.

1 stop25h 14m

C$ 686

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

vie. 15/5

5:55 a.m.-9:34 p.m.

2 stops18h 39m

Portland

sáb. 23/5

2:30 p.m.-12:58 p.m.

1 stop19h 28m

C$ 689

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

vie. 27/2

3:55 p.m.-8:33 p.m.

1 stop31h 38m

Portland

sáb. 7/3

6:00 a.m.-4:29 p.m.

2 stops31h 29m

C$ 696

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

lun. 16/2

3:55 p.m.-8:49 p.m.

1 stop31h 54m

C$ 425

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

sáb. 21/2

6:40 a.m.-8:44 p.m.

2 stops17h 04m

C$ 449

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

sáb. 21/2

7:45 a.m.-2:40 p.m.

1 stop9h 55m

C$ 464

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/1

Showing 1-10 of 15 results
1
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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$ 219). Flying from Ottawa to Portland in October is currently the most expensive (average of C$ 442). 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.

How much does it cost to fly round-trip from Ottawa to Portland?

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 26 enero 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
9,200 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

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
9,200 reviews
United Airlines
7.4
Good
9,200 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

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
3,249 reviews
United Airlines
7.4
Good
9,200 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

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
10,656 reviews
United Airlines
7.4
Good
9,200 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

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 10h 05m. 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$ 244), Air Canada (C$ 323), and United Airlines (C$ 367) offers the cheapest pricing from Ottawa to Portland. You may be able to fly from Ottawa to Portland for 63% 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$ 219). Flying from Ottawa to Portland in October is currently the most expensive (average of C$ 442). 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 26 enero 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 244AverageC$ 470FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 323AverageC$ 678FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 367AverageC$ 670FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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