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Cheap flights from Portland to Ottawa from C$ 281

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YOW
24 May — 31 May1
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 24 April 2026.

Wed 15/72:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Wed 22/77:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 22/4C$ 435
Tue 14/72:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Wed 22/77:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 23/4C$ 438
Wed 15/72:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Fri 24/77:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 23/4C$ 482
Sun 6/92:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Tue 15/98:15 p.m.
YOW
-
PDX
1 stop20h 35m
WestJet
Deal found 22/4C$ 490
Tue 14/72:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Tue 21/74:15 p.m.
YOW
-
PDX
1 stop24h 35m
WestJet
Deal found 23/4C$ 510
Tue 14/72:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Thu 23/76:15 p.m.
YOW
-
PDX
2 stops22h 35m
WestJet
Deal found 23/4C$ 513
Sat 6/62:30 p.m.
PDX
-
YOW
1 stop12h 05m
WestJet
Sat 13/67:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 22/4C$ 526
Fri 5/62:30 p.m.
PDX
-
YOW
1 stop23h 45m
WestJet
Fri 12/67:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 21/4C$ 534
Mon 13/72:30 p.m.
PDX
-
YOW
1 stop12h 05m
WestJet
Wed 22/77:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 23/4C$ 541

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 24 April 2026.

Round-trip from

C$ 435

One-way from

C$ 281

Popular in

March

Cheapest in

August

Average price

C$ 1,002
WestJet
  • WestJet
  • 15/7-22/7
  • 2 total stops
  • 16h 40m total
  • Portland to Ottawa
Search Deals
WestJet
  • WestJet
  • 10/6
  • 1 total stop
  • 12h 05m total
  • Portland to Ottawa
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 400 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 24 April 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 8/5

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

2 stops19h 00m

Ottawa

Wed 13/5

7:20 a.m.-1:50 p.m.

1 stop9h 30m

C$ 616

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 6/6

2:30 p.m.-5:35 a.m.

1 stop12h 05m

Ottawa

Wed 10/6

7:20 a.m.-1:50 p.m.

1 stop9h 30m

C$ 630

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 4/5

2:30 p.m.-5:15 p.m.

1 stop23h 45m

Ottawa

Fri 8/5

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

2 stops9h 55m

C$ 690

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 22/5

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

2 stops19h 00m

Ottawa

Mon 25/5

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

2 stops22h 35m

C$ 743

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 29/5

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

3 stops19h 00m

Ottawa

Sun 7/6

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

2 stops33h 55m

C$ 765

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 5/6

11:30 p.m.-2:17 p.m.

1 stop11h 47m

Ottawa

Sat 6/6

5:20 p.m.-10:31 p.m.

1 stop8h 11m

C$ 768
Quickest round-trip

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 7/5

10:15 p.m.-9:11 a.m.

1 stop7h 56m

Ottawa

Mon 11/5

2:40 p.m.-8:42 p.m.

1 stop9h 02m

C$ 813

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 6/6

10:40 p.m.-5:07 p.m.

1 stop15h 27m

Ottawa

Wed 10/6

5:20 p.m.-11:53 p.m.

1 stop9h 33m

C$ 813

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 6/5

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

2 stops19h 00m

Ottawa

Wed 13/5

7:20 a.m.-1:50 p.m.

1 stop9h 30m

C$ 853

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 6/6

3:30 p.m.-8:06 a.m.

2 stops13h 36m

Ottawa

Wed 10/6

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

2 stops11h 45m

C$ 857

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/4

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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

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 19h. 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.

See more FAQs

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
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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