HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ottawa

$259+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YOW
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Ottawa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 12, 2026.

This FlightHub deal was found by Cheapflights users on 3/7. 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 6/52:30 pm
PDX
-
YOW
2 stops19h 00m
WestJet
Mon 6/86:55 am
YOW
-
PDX
2 stops9h 55m
WestJet
Deal found 3/7$430
This WestJet deal was found by Cheapflights users on 3/8. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:30 pm
PDX
-
YOW
1 stop12h 05m
WestJet
Tue 5/197:20 am
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 3/8$498
This Trip.com deal was found by Cheapflights users on 3/8. 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.
Sun 8/162:30 pm
PDX
-
YOW
1 stop7h 10m
WestJet
Sat 8/227:20 am
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 3/8$506
This WestJet deal was found by Cheapflights users on 3/8. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/32:30 pm
PDX
-
YOW
1 stop12h 05m
WestJet
Tue 6/97:20 am
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 3/8$509
This WestJet deal was found by Cheapflights users on 3/8. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:30 pm
PDX
-
YOW
1 stop21h 50m
WestJet
Mon 6/86:55 am
YOW
-
PDX
2 stops9h 55m
WestJet
Deal found 3/8$512
This FlightHub deal was found by Cheapflights users on 3/8. 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 8/152:30 pm
PDX
-
YOW
1 stop7h 10m
WestJet
Sat 8/227:20 am
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 3/8$526
This WestJet deal was found by Cheapflights users on 3/8. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/212:30 pm
PDX
-
YOW
1 stop12h 05m
WestJet
Tue 5/264:15 pm
YOW
-
PDX
1 stop24h 35m
WestJet
Deal found 3/8$529
This Air Canada deal was found by Cheapflights users on 3/7. 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.
Sun 5/37:45 pm
PDX
-
YOW
1 stop7h 15m
Air Canada
Wed 5/66:00 am
YOW
-
PDX
2 stops11h 45m
Air Canada
Deal found 3/7$556
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sun 5/310:55 pm
PDX
-
YOW
1 stop12h 04m
United Airlines
Wed 5/610:44 am
YOW
-
PDX
1 stop14h 51m
United Airlines
Deal found 3/8$562

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$430
(FlightHub)

One-way from

$259
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$934
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. 28% potential increase in price ($254 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 12, 2026.
Use the filters below to find and compare flights from Portland to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 6/5

2:30 pm-12:30 pm

2 stops19h 00m

Ottawa

Mon 6/8

6:55 am-1:50 pm

2 stops9h 55m

$430

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 5/3

10:55 pm-1:59 pm

1 stop12h 04m

Ottawa

Wed 5/6

10:44 am-10:35 pm

1 stop14h 51m

$562

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 6/5

11:48 pm-1:59 pm

1 stop11h 11m

Ottawa

Mon 6/8

3:10 pm-9:48 pm

1 stop9h 38m

$562

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 5/4

11:55 pm-1:59 pm

1 stop11h 04m

Ottawa

Sun 5/10

5:25 pm-10:35 pm

1 stop8h 10m

$562

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 5/25

11:40 pm-1:59 pm

1 stop11h 19m

Ottawa

Sun 5/31

6:25 am-11:38 am

1 stop8h 13m

$562
Quickest round-trip

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 5/24

10:51 am-9:35 pm

1 stop7h 44m

Ottawa

Fri 5/29

6:25 am-11:38 am

1 stop8h 13m

$562

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 5/18

11:55 pm-1:59 pm

1 stop11h 04m

Ottawa

Sun 5/24

5:20 pm-10:30 pm

1 stop8h 10m

$562

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 5/3

7:45 pm-6:00 am

1 stop7h 15m

Ottawa

Wed 5/6

10:00 am-7:05 pm

2 stops12h 05m

$572
Cheapest one-way

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 3/31

11:59 pm-4:51 pm

2 stops13h 52m

$259

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 4/24

10:31 am-8:04 pm

1 stop30h 33m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 15 resultsSorted by cheapest first
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 March.
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, May is the cheapest month in which you can book a flight from Portland to Ottawa (average of $162). 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.

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 March 12, 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
9,418 reviews

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

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
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

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
10,800 reviews
United Airlines
7.4
Good
9,418 reviews

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

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 12h 04m. Fly via WestJet or United Airlines to get the fastest option. The distance from Portland to Ottawa is about 2240 mi. This flight may include one or multiple stops.

  • 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, May is the cheapest month in which you can book a flight from Portland to Ottawa (average of $162). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Pearson Intl flights
Portland to Pierre Elliott Trudeau Intl flights
Boise to Pierre Elliott Trudeau Intl flights
Medford to Ottawa flights

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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$148Average$716FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$300Average$645FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.