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$178+ 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YOW
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$495
(Kiwi.com)

One-way from

$178
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$715
Provider with most accurate pricing for Portland-Ottawa flight deals.
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Provider most trusted by Cheapflights users for Portland-Ottawa flights.
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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. 20% potential increase in price ($172 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
jue. 12/117:04 amPDX - YOW
2 stops14h 36mMultiple Airlines
mié. 12/174:20 pmYOW - PDX
1 stop19h 57mMultiple Airlines
Deal found 10/28$487
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
lun. 12/89:31 amPDX - YOW
2 stops26h 13mMultiple Airlines
vie. 12/129:25 amYOW - PDX
1 stop14h 19mMultiple Airlines
Deal found 10/28$516
This Air Canada deal was found by Cheapflights users on 10/27. 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.
lun. 12/87:00 pmPDX - YOW
1 stop8h 43mAir Canada
jue. 12/117:45 amYOW - PDX
1 stop9h 55mAir Canada
Deal found 10/27$562
This Air Canada deal was found by Cheapflights users on 10/27. 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.
jue. 11/273:15 pmPDX - YOW
1 stop21h 30mAir Canada
mié. 12/107:45 amYOW - PDX
1 stop9h 55mAir Canada
Deal found 10/27$565
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
jue. 11/275:20 amPDX - YOW
2 stops35h 45mMultiple Airlines
mié. 12/109:25 amYOW - PDX
1 stop14h 19mMultiple Airlines
Deal found 10/27$582
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
dom. 11/239:30 pmPDX - YOW
1 stop16h 36mMultiple Airlines
dom. 11/306:45 pmYOW - PDX
2 stops41h 43mMultiple Airlines
Deal found 10/26$590
This Air Canada deal was found by Cheapflights users on 10/28. 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.
lun. 12/87:00 pmPDX - YOW
1 stop8h 43mAir Canada
vie. 12/127:45 amYOW - PDX
1 stop9h 55mAir Canada
Deal found 10/28$597
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
lun. 12/87:44 pmPDX - YOW
2 stops13h 51mMultiple Airlines
jue. 12/119:25 amYOW - PDX
1 stop14h 19mMultiple Airlines
Deal found 10/27$602
This Air Canada deal was found by Cheapflights users on 10/27. 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.
jue. 11/1311:59 pmPDX - YOW
1 stop7h 27mAir Canada
lun. 11/175:50 pmYOW - PDX
1 stop18h 25mAir Canada
Deal found 10/27$644
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/97:00 amPDX - YOW
1 stop11h 18mUnited Airlines
mié. 11/126:20 amYOW - PDX
1 stop19h 15mUnited Airlines
Deal found 10/26$651
This United Airlines deal was found by Cheapflights users on 10/27. 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.
jue. 11/1311:59 pmPDX - YOW
1 stop14h 13mUnited Airlines
lun. 11/177:30 pmYOW - PDX
2 stops19h 43mUnited Airlines
Deal found 10/27$656

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 octubre 28, 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

lun. 2/23

6:00 am-12:39 am

2 stops15h 39m

Ottawa

vie. 2/27

3:55 pm-8:45 pm

1 stop31h 50m

$495

PortlandOttawa

PDX - YOW

PDXYOW

Portland

dom. 11/23

9:30 pm-5:06 pm

1 stop16h 36m

Ottawa

dom. 11/30

6:45 pm-9:28 am

2 stops41h 43m

$590

PortlandOttawa

PDX - YOW

PDXYOW

Portland

lun. 12/8

7:00 pm-6:43 am

1 stop8h 43m

Ottawa

vie. 12/12

7:45 am-2:40 pm

1 stop9h 55m

$597

PortlandOttawa

PDX - YOW

PDXYOW

Portland

jue. 12/11

7:04 am-5:09 pm

1 stop31h 05m

Ottawa

mié. 12/17

4:20 pm-9:17 am

1 stop19h 57m

$611

PortlandOttawa

PDX - YOW

PDXYOW

Portland

mar. 3/10

7:00 pm-6:43 am

1 stop8h 43m

Ottawa

mié. 3/11

9:15 am-6:30 pm

2 stops12h 15m

$619

PortlandOttawa

PDX - YOW

PDXYOW

Portland

mar. 3/10

11:55 pm-10:26 am

1 stop7h 31m

Ottawa

mié. 3/11

2:15 pm-8:25 pm

1 stop9h 10m

$622

PortlandOttawa

PDX - YOW

PDXYOW

Portland

jue. 2/12

7:00 pm-6:43 am

1 stop8h 43m

Ottawa

dom. 2/15

7:45 am-2:40 pm

1 stop9h 55m

$636

PortlandOttawa

PDX - YOW

PDXYOW

Portland

dom. 12/28

10:24 pm-12:25 am

3 stops23h 01m

$178

PortlandOttawa

PDX - YOW

PDXYOW

Portland

jue. 12/11

7:00 pm-6:43 am

1 stop8h 43m

$253

PortlandOttawa

PDX - YOW

PDXYOW

Portland

jue. 12/11

5:00 am-11:54 pm

2 stops15h 54m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 13 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Ottawa flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, October is the cheapest month in which you can book a flight from Portland to Ottawa (average of $176). Flying from Portland to Ottawa in April is currently the most expensive (average of $423). 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 octubre 28, 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 18% 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 octubre 28, 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
9,001 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,371 reviews
United Airlines
7.4
Good
9,001 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 8h 43m. 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 Air Canada is currently your cheapest option to Ottawa, with prices starting at $315. Another option worth looking into is United Airlines, starting at $365 round trip. Air Canada is currently priced 53% 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, October is the cheapest month in which you can book a flight from Portland to Ottawa (average of $176). Flying from Portland to Ottawa in April is currently the most expensive (average of $423). 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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$315Average$629FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$365Average$716FlexibilityNo cancel feeOn-time69%

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