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$216+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YOW
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This Trip.com deal was found by Cheapflights users on 1/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/152:30 pm
PDX
-
YOW
1 stop23h 50m
WestJet
Thu 5/217:30 am
YOW
-
PDX
1 stop9h 20m
WestJet
Deal found 1/25$450
This FlightHub deal was found by Cheapflights users on 1/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/132:30 pm
PDX
-
YOW
2 stops19h 00m
WestJet
Tue 6/236:00 am
YOW
-
PDX
1 stop10h 20m
WestJet
Deal found 1/25$521
This FlightHub deal was found by Cheapflights users on 1/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/72:00 pm
PDX
-
YOW
1 stop7h 40m
WestJet
Fri 8/145:15 pm
YOW
-
PDX
2 stops23h 05m
WestJet
Deal found 1/24$525
This Kiwi.com deal was found by Cheapflights users on 1/23. 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.
Tue 3/106:00 am
PDX
-
YOW
2 stops15h 39m
Multiple Airlines
Tue 3/173:55 pm
YOW
-
PDX
1 stop31h 55m
Multiple Airlines
Deal found 1/23$529
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 5/152:30 pm
PDX
-
YOW
1 stop19h 28m
Multiple Airlines
Thu 5/216:15 pm
YOW
-
PDX
2 stops22h 35m
Multiple Airlines
Deal found 1/25$530
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Thu 3/129:53 am
PDX
-
YOW
2 stops49h 51m
Multiple Airlines
Thu 3/194:40 pm
YOW
-
PDX
1 stop19h 43m
Multiple Airlines
Deal found 1/26$555
This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1510:55 pm
PDX
-
YOW
2 stops15h 40m
Delta
Thu 5/211:20 pm
YOW
-
PDX
2 stops13h 33m
Delta
Deal found 1/25$625
This Air Canada deal was found by Cheapflights users on 1/26. 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.
Thu 3/127:05 pm
PDX
-
YOW
1 stop8h 38m
Air Canada
Thu 3/197:45 am
YOW
-
PDX
1 stop9h 55m
Air Canada
Deal found 1/26$641

Find 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$450
(Trip.com)

One-way from

$216
(Trip.com)

Popular in

April

Cheapest in

August

Average price

$661
Provider with most accurate pricing for Portland-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Ottawa flights.
Search Deals
From Portland to Ottawa
Search Deals
One-way flight from Portland to Ottawa
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 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 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 January 26, 2026.
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 5/15

2:30 pm-5:20 pm

1 stop23h 50m

Ottawa

Thu 5/21

7:30 am-1:50 pm

1 stop9h 20m

$450

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 6/13

2:30 pm-12:30 pm

2 stops19h 00m

Ottawa

Tue 6/23

6:00 am-1:20 pm

1 stop10h 20m

$521

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 5/15

2:30 pm-12:58 pm

1 stop19h 28m

Ottawa

Thu 5/21

6:15 pm-1:50 pm

2 stops22h 35m

$530

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 3/12

9:53 am-2:44 pm

2 stops49h 51m

Ottawa

Thu 3/19

4:40 pm-9:23 am

1 stop19h 43m

$555

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 5/15

10:55 pm-5:35 pm

2 stops15h 40m

Ottawa

Thu 5/21

1:20 pm-11:53 pm

2 stops13h 33m

$625

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 3/12

7:05 pm-6:43 am

1 stop8h 38m

Ottawa

Thu 3/19

7:45 am-2:40 pm

1 stop9h 55m

$641

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 5/3

6:00 am-12:20 am

2 stops15h 20m

Ottawa

Mon 5/11

1:20 pm-8:49 pm

2 stops10h 29m

$650

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 5/3

10:16 pm-9:11 am

1 stop7h 55m

Ottawa

Mon 5/11

5:20 pm-10:30 pm

1 stop8h 10m

$656

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 3/10

8:30 am-9:56 pm

2 stops10h 26m

Ottawa

Tue 3/17

6:20 am-1:44 pm

2 stops10h 24m

$671

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 5/3

2:30 pm-5:20 pm

1 stop23h 50m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 12 results
1
2

Compare providers for flights from Portland to Ottawa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Ottawa in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, February is the cheapest month in which you can book a flight from Portland to Ottawa (average of $171). Flying from Portland to Ottawa in December is currently the most expensive (average of $490). 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 Portland to Ottawa?

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 January 26, 2026.
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
9,200 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,200 reviews
United Airlines
7.4
Good
9,200 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,656 reviews
United Airlines
7.4
Good
9,200 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 23h 50m. Fly via WestJet 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 $148. Another option worth looking into is Air Canada, starting at $300 round trip. United Airlines is currently priced 76% 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, February is the cheapest month in which you can book a flight from Portland to Ottawa (average of $171). Flying from Portland to Ottawa in December is currently the most expensive (average of $490). 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$148Average$716FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$300Average$624FlexibilityNo cancel feeOn-time67%

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