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Cheap flights from Portland to Ottawa from C$ 352

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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YOW
11 Apr — 18 Apr1
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 12 March 2026.

Fri 5/62:30 p.m.
PDX
-
YOW
2 stops19h 00m
WestJet
Mon 8/66:55 a.m.
YOW
-
PDX
2 stops9h 55m
WestJet
Deal found 7/3C$ 584
Wed 13/52:30 p.m.
PDX
-
YOW
1 stop12h 05m
WestJet
Tue 19/57:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 8/3C$ 676
Sun 16/82:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Sat 22/87:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 8/3C$ 687
Wed 3/62:30 p.m.
PDX
-
YOW
1 stop12h 05m
WestJet
Tue 9/67:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 8/3C$ 691
Tue 2/62:30 p.m.
PDX
-
YOW
1 stop21h 50m
WestJet
Mon 8/66:55 a.m.
YOW
-
PDX
2 stops9h 55m
WestJet
Deal found 8/3C$ 695
Sat 15/82:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Sat 22/87:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 8/3C$ 714
Thu 21/52:30 p.m.
PDX
-
YOW
1 stop12h 05m
WestJet
Tue 26/54:15 p.m.
YOW
-
PDX
1 stop24h 35m
WestJet
Deal found 8/3C$ 718
Sun 3/57:45 p.m.
PDX
-
YOW
1 stop7h 15m
Air Canada
Wed 6/56:00 a.m.
YOW
-
PDX
2 stops11h 45m
Air Canada
Deal found 7/3C$ 755
Sun 3/510:55 p.m.
PDX
-
YOW
1 stop12h 04m
United Airlines
Wed 6/510:44 a.m.
YOW
-
PDX
1 stop14h 51m
United Airlines
Deal found 8/3C$ 763

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 12 March 2026.

Round-trip from

C$ 584

One-way from

C$ 352

Popular in

March

Cheapest in

August

Average price

C$ 1,268
WestJet
  • WestJet
  • 5/6-8/6
  • 4 total stops
  • 28h 55m total
  • Portland to Ottawa
Search Deals
American Airlines
  • American Airlines
  • 31/3
  • 2 total stops
  • 13h 52m total
  • Portland to Ottawa
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 468 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 56 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 629,999 searches. Data last updated 12 March 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 5/6

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

2 stops19h 00m

Ottawa

Mon 8/6

6:55 a.m.-1:50 p.m.

2 stops9h 55m

C$ 584

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 3/5

10:55 p.m.-1:59 p.m.

1 stop12h 04m

Ottawa

Wed 6/5

10:44 a.m.-10:35 p.m.

1 stop14h 51m

C$ 763

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 5/6

11:48 p.m.-1:59 p.m.

1 stop11h 11m

Ottawa

Mon 8/6

3:10 p.m.-9:48 p.m.

1 stop9h 38m

C$ 763
Quickest round-trip

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 2/6

7:00 a.m.-5:07 p.m.

1 stop7h 07m

Ottawa

Sun 7/6

6:25 a.m.-11:38 a.m.

1 stop8h 13m

C$ 763

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 25/5

11:40 p.m.-1:59 p.m.

1 stop11h 19m

Ottawa

Sun 31/5

6:25 a.m.-11:38 a.m.

1 stop8h 13m

C$ 763

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 24/5

10:51 a.m.-9:35 p.m.

1 stop7h 44m

Ottawa

Fri 29/5

6:25 a.m.-11:38 a.m.

1 stop8h 13m

C$ 763

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 18/5

11:55 p.m.-1:59 p.m.

1 stop11h 04m

Ottawa

Sun 24/5

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

1 stop8h 10m

C$ 763

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 3/5

7:45 p.m.-8:06 a.m.

2 stops9h 21m

Ottawa

Wed 6/5

6:00 a.m.-2:45 p.m.

2 stops11h 45m

C$ 773
Cheapest one-way

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 31/3

11:59 p.m.-4:51 p.m.

2 stops13h 52m

C$ 352

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 24/4

10:31 a.m.-8:04 p.m.

1 stop30h 33m

C$ 375

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 16 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Portland to Ottawa (average of C$ 220). Flying from Portland to Ottawa in December is currently the most expensive (average of C$ 665). 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.

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 and United Airlines can get you from Portland to Ottawa in just under 12h 04m. Your travel time can differ by up to 6h 56m. There are 3605 km between Portland and Ottawa. Both multi-stop and direct flights can be found to your destination and back.

  • 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 C$ 220). Flying from Portland to Ottawa in December is currently the most expensive (average of C$ 665). 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
Perth
Wakefield
Pembroke
Smiths Falls

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How does Cheapflights help users find flights from Portland to Ottawa?

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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