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Cheap flights from Ottawa to Portland from C$ 274

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — PDX
27 May — 3 Jun1
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 27 April 2026.

Thu 20/87:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Sat 5/92:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Deal found 23/4C$ 390
Sat 29/87:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Tue 1/92:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Deal found 24/4C$ 444
Fri 22/57:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Fri 29/52:30 p.m.
PDX
-
YOW
2 stops19h 00m
WestJet
Deal found 23/4C$ 481

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 27 April 2026.

Round-trip from

C$ 390

One-way from

C$ 274

Popular in

April

Cheapest in

August

Average price

C$ 1,136
WestJet
  • WestJet
  • 20/8-5/9
  • 2 total stops
  • 16h 40m total
  • Ottawa to Portland
Search Deals
WestJet
  • WestJet
  • 11/6
  • 2 total stops
  • 9h 55m total
  • Ottawa to Portland
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 257 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 27 April 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
Quickest round-trip

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Sat 29/8

7:20 a.m.-1:50 p.m.

1 stop9h 30m

Portland

Tue 1/9

2:30 p.m.-12:40 a.m.

1 stop7h 10m

C$ 446

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Thu 20/8

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

2 stops9h 55m

Portland

Sat 5/9

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

2 stops43h 00m

C$ 523

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Mon 18/5

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

2 stops33h 55m

Portland

Mon 25/5

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

2 stops19h 00m

C$ 525

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Sat 29/8

6:00 a.m.-11:09 p.m.

3 stops20h 09m

Portland

Tue 1/9

8:29 a.m.-9:35 p.m.

1 stop10h 06m

C$ 532

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Thu 20/8

7:20 a.m.-1:50 p.m.

1 stop9h 30m

Portland

Sat 5/9

2:30 p.m.-12:55 p.m.

1 stop19h 25m

C$ 570

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Fri 22/5

5:05 a.m.-2:45 p.m.

1 stop12h 40m

Portland

Fri 29/5

7:45 p.m.-6:00 a.m.

1 stop7h 15m

C$ 612

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Sat 6/6

3:10 p.m.-9:46 p.m.

1 stop9h 36m

Portland

Sat 13/6

5:00 a.m.-9:35 p.m.

2 stops13h 35m

C$ 752
Cheapest one-way

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Thu 11/6

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

2 stops9h 55m

C$ 274

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Fri 29/5

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

2 stops22h 35m

C$ 296
Quickest one-way

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Wed 22/7

7:20 a.m.-1:50 p.m.

1 stop9h 30m

C$ 299

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Showing 1-10 of 18 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$ 439). Flying from Ottawa to Portland in April is currently the most expensive (average of C$ 1,136). 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 27 April 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
9,668 reviews
Check prices

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,668 reviews
United Airlines
7.4
Good
9,668 reviews
Check prices

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
WestJet
7.2
Good
3,327 reviews
United Airlines
7.4
Good
9,668 reviews
Check prices

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Air Canada
7.1
Good
10,974 reviews
United Airlines
7.4
Good
9,668 reviews
Check prices

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 9h 55m. 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$ 243), United Airlines (C$ 365), and Air Canada (C$ 392) offers the cheapest pricing from Ottawa to Portland. You may be able to fly from Ottawa to Portland for 64% 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$ 439). Flying from Ottawa to Portland in April is currently the most expensive (average of C$ 1,136). 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 27 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 243AverageC$ 527FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 365AverageC$ 632FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 392AverageC$ 754FlexibilityNo 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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