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Cheap flights from Portland to Ottawa from C$ 296

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YOW
25 feb. — 4 mar.1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to Ottawa

Enter your travel dates to find the best prices.

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 26 enero 2026.

vie. 15/52:30 p.m.
PDX
-
YOW
1 stop23h 50m
WestJet
jue. 21/57:30 a.m.
YOW
-
PDX
1 stop9h 20m
WestJet
Deal found 25/1C$ 616
vie. 1/52:30 p.m.
PDX
-
YOW
1 stop19h 28m
Multiple Airlines
sáb. 16/56:15 p.m.
YOW
-
PDX
2 stops42h 33m
Multiple Airlines
Deal found 26/1C$ 674
sáb. 13/62:30 p.m.
PDX
-
YOW
2 stops19h 00m
WestJet
mar. 23/66:00 a.m.
YOW
-
PDX
1 stop10h 20m
WestJet
Deal found 25/1C$ 714
vie. 15/52:30 p.m.
PDX
-
YOW
1 stop19h 28m
Multiple Airlines
jue. 21/56:15 p.m.
YOW
-
PDX
2 stops22h 35m
Multiple Airlines
Deal found 25/1C$ 726
vie. 7/82:00 p.m.
PDX
-
YOW
2 stops12h 28m
WestJet
vie. 14/85:15 p.m.
YOW
-
PDX
2 stops23h 05m
WestJet
Deal found 26/1C$ 751
jue. 12/39:53 a.m.
PDX
-
YOW
2 stops49h 51m
Multiple Airlines
jue. 19/34:40 p.m.
YOW
-
PDX
1 stop19h 43m
Multiple Airlines
Deal found 26/1C$ 760
vie. 1/52:30 p.m.
PDX
-
YOW
2 stops19h 00m
WestJet
sáb. 16/56:15 p.m.
YOW
-
PDX
2 stops22h 35m
WestJet
Deal found 26/1C$ 778

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 26 enero 2026.

Round-trip from

C$ 616

One-way from

C$ 296

Popular in

April

Cheapest in

August

Average price

C$ 905
WestJet
  • WestJet
  • 15/5-21/5
  • 2 total stops
  • 33h 10m total
  • Portland to Ottawa
Search Deals
WestJet
  • WestJet
  • 3/5
  • 1 total stop
  • 23h 50m total
  • Portland to Ottawa
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 158 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 38 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 629,999 searches. Data last updated 26 enero 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

vie. 15/5

2:30 p.m.-5:20 p.m.

1 stop23h 50m

Ottawa

jue. 21/5

7:30 a.m.-1:50 p.m.

1 stop9h 20m

C$ 616

PortlandOttawa

PDX - YOW

PDXYOW

Portland

vie. 1/5

2:30 p.m.-12:58 p.m.

1 stop19h 28m

Ottawa

sáb. 16/5

6:15 p.m.-9:48 a.m.

2 stops42h 33m

C$ 674

PortlandOttawa

PDX - YOW

PDXYOW

Portland

sáb. 13/6

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

2 stops19h 00m

Ottawa

mar. 23/6

6:00 a.m.-1:20 p.m.

1 stop10h 20m

C$ 714

PortlandOttawa

PDX - YOW

PDXYOW

Portland

vie. 15/5

2:30 p.m.-12:58 p.m.

1 stop19h 28m

Ottawa

jue. 21/5

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

2 stops22h 35m

C$ 726

PortlandOttawa

PDX - YOW

PDXYOW

Portland

jue. 12/3

9:53 a.m.-2:44 p.m.

2 stops49h 51m

Ottawa

jue. 19/3

4:40 p.m.-9:23 a.m.

1 stop19h 43m

C$ 760

PortlandOttawa

PDX - YOW

PDXYOW

Portland

vie. 1/5

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

2 stops19h 00m

Ottawa

sáb. 16/5

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

2 stops22h 35m

C$ 778

PortlandOttawa

PDX - YOW

PDXYOW

Portland

vie. 15/5

10:55 p.m.-5:35 p.m.

2 stops15h 40m

Ottawa

jue. 21/5

1:20 p.m.-11:53 p.m.

2 stops13h 33m

C$ 856

PortlandOttawa

PDX - YOW

PDXYOW

Portland

jue. 12/3

7:05 p.m.-6:43 a.m.

1 stop8h 38m

Ottawa

jue. 19/3

7:45 a.m.-2:40 p.m.

1 stop9h 55m

C$ 878

PortlandOttawa

PDX - YOW

PDXYOW

Portland

dom. 3/5

6:00 a.m.-12:20 a.m.

2 stops15h 20m

Ottawa

lun. 11/5

1:20 p.m.-8:49 p.m.

2 stops10h 29m

C$ 890

PortlandOttawa

PDX - YOW

PDXYOW

Portland

dom. 3/5

10:16 p.m.-9:11 a.m.

1 stop7h 55m

Ottawa

lun. 11/5

5:20 p.m.-10:30 p.m.

1 stop8h 10m

C$ 898

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 13 results
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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 C$ 234). Flying from Portland to Ottawa in December is currently the most expensive (average of C$ 671). 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?

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?

    WestJet can get you from Portland to Ottawa in just under 23h 50m. Your travel time can differ by up to . There are 3605 km between Portland and Ottawa.

  • 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 C$ 234). Flying from Portland to Ottawa in December is currently the most expensive (average of C$ 671). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Pembroke
Wakefield

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Cheapflights makes it easy to find Portland to Ottawa flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Portland to Ottawa?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portland to Ottawa for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Portland to Ottawa with no change fees?

Certainly. Search results for flights to Ottawa from Portland 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 Portland to Ottawa become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ottawa from Portland today and book when prices fit your budget.

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