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$132+ Cheap flights from Portland (PDX) to Ottawa (YOW)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YOW
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Portland to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Ottawa (YOW). 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 September 11, 2025.

Round-trip from

$292
(Flightnetwork)

One-way from

$132
(Air Canada)

Popular in

April

Cheapest in

August

Average price

$462
From Portland to Ottawa
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One-way flight from Portland to Ottawa
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Highest demand for flights based on searches. 21% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Portland to Ottawa

Cheapest flights from Portland to Ottawa
Explore the most affordable flight options available from Portland to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Flightnetwork deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/31:45 pmPDX - YOW
1 stop7h 55mMultiple Airlines
Sat 10/114:05 pmYOW - PDX
2 stops9h 56mMultiple Airlines
Deal found 9/10$292
This Flightnetwork deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:15 amPDX - YOW
2 stops10h 14mAir Canada
Sat 10/114:05 pmYOW - PDX
2 stops9h 56mAir Canada
Deal found 9/10$295
This Flightnetwork deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:15 amPDX - YOW
1 stop6h 57mAir Canada
Fri 10/315:45 amYOW - PDX
2 stops12h 00mAir Canada
Deal found 9/9$308
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:17 pmPDX - YOW
1 stop7h 54mUnited Airlines
Tue 10/145:25 pmYOW - PDX
1 stop8h 00mUnited Airlines
Deal found 9/9$363
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:07 amPDX - YOW
1 stop24h 37mMultiple Airlines
Wed 10/296:55 pmYOW - PDX
2 stops42h 23mMultiple Airlines
Deal found 9/9$366
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:07 amPDX - YOW
1 stop24h 37mMultiple Airlines
Tue 10/286:00 amYOW - PDX
2 stops30h 46mMultiple Airlines
Deal found 9/9$369
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:40 pmPDX - YOW
1 stop7h 27mAir Canada
Wed 10/297:45 amYOW - PDX
1 stop10h 00mAir Canada
Deal found 9/9$374
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:15 amPDX - YOW
1 stop6h 57mAir Canada
Wed 10/295:45 amYOW - PDX
2 stops12h 00mAir Canada
Deal found 9/9$379

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Ottawa 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Portland to Ottawa that are best for you.

Fly from

Portland

Fly to

Ottawa

Route

Depart

Return

Price

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 10/3

1:45 pm-12:40 am

1 stop7h 55m

Ottawa

Sat 10/11

4:05 pm-11:01 pm

2 stops9h 56m

$292

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 10/3

6:15 am-7:29 pm

2 stops10h 14m

Ottawa

Sat 10/11

4:05 pm-11:01 pm

2 stops9h 56m

$295

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 10/24

6:15 am-4:12 pm

1 stop6h 57m

Ottawa

Fri 10/31

5:45 am-2:45 pm

2 stops12h 00m

$308

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 10/7

10:17 pm-9:11 am

1 stop7h 54m

Ottawa

Tue 10/14

5:25 pm-10:25 pm

1 stop8h 00m

$363

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 10/24

7:40 pm-6:07 am

1 stop7h 27m

Ottawa

Wed 10/29

7:45 am-2:45 pm

1 stop10h 00m

$374

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 10/25

6:15 am-4:12 pm

1 stop6h 57m

Ottawa

Tue 10/28

7:45 am-2:45 pm

1 stop10h 00m

$374

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 10/25

6:15 am-4:12 pm

1 stop6h 57m

Ottawa

Wed 10/29

7:45 am-2:45 pm

1 stop10h 00m

$374

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 10/24

7:40 pm-6:07 am

1 stop7h 27m

Ottawa

Tue 10/28

7:45 am-2:45 pm

1 stop10h 00m

$374

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 10/1

7:40 pm-8:23 am

1 stop9h 43m

$132

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 10/1

12:07 pm-6:45 am

2 stops15h 38m

$134

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 16 results
1
2

Best time to book a flight from Portland to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Portland 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 Portland to Ottawa

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

Currently, January is the cheapest month in which you can book a flight from Portland to Ottawa (average of $294). Flying from Portland to Ottawa in September is currently the most expensive (average of $419). 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.

What is the cheapest time of day to fly from PDX to YOW?

Find hourly flight availability from Portland to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Portland to Ottawa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 19% versus a flight in the morning.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with United Airlines and Air Canada from Portland to Ottawa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Portland to Ottawa. 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 Portland to Ottawa?

    There are many flights that can get you from Portland to Ottawa in 10h 14m. Fly via Air Canada to get the fastest option. The distance from Portland to Ottawa is about 2240 mi.

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

    Flying on United Airlines is currently your cheapest option to Ottawa, with prices starting at $296. Another option worth looking into is Air Canada, starting at $315 round trip. United Airlines is currently priced 55% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Ottawa 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 Portland to Ottawa?

    Currently, January is the cheapest month in which you can book a flight from Portland to Ottawa (average of $294). Flying from Portland to Ottawa in September is currently the most expensive (average of $419). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Portland to Ottawa

Discover the top 2 airlines that operate flights from Portland to Ottawa. 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$296Average$754FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$315Average$633FlexibilityNo cancel feeOn-time67%

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