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Cheap flights from Portland to Ottawa from C$ 279

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YOW
12 Jul — 19 Jul1
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 June 2026.

Tue 8/92:30 p.m.
PDX
-
YOW
1 stop21h 50m
WestJet
Sat 12/97:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 8/6C$ 636
Mon 17/82:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Fri 21/86:15 p.m.
YOW
-
PDX
2 stops22h 35m
WestJet
Deal found 11/6C$ 659
Thu 13/82:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Sun 16/86:15 p.m.
YOW
-
PDX
2 stops22h 35m
WestJet
Deal found 7/6C$ 663
Mon 17/82:30 p.m.
PDX
-
YOW
2 stops14h 35m
Multiple Airlines
Fri 21/88:15 p.m.
YOW
-
PDX
1 stop20h 35m
Multiple Airlines
Deal found 10/6C$ 686
Tue 7/72:30 p.m.
PDX
-
YOW
1 stop7h 10m
Multiple Airlines
Tue 14/77:00 a.m.
YOW
-
PDX
2 stops12h 38m
Multiple Airlines
Deal found 9/6C$ 700
Sun 6/92:30 p.m.
PDX
-
YOW
1 stop21h 50m
WestJet
Sat 12/97:20 a.m.
YOW
-
PDX
1 stop9h 30m
WestJet
Deal found 8/6C$ 704
Tue 7/72:30 p.m.
PDX
-
YOW
1 stop7h 10m
WestJet
Tue 14/71:20 p.m.
YOW
-
PDX
1 stop27h 30m
WestJet
Deal found 9/6C$ 705
Mon 21/92:30 p.m.
PDX
-
YOW
1 stop19h 25m
Multiple Airlines
Sat 26/91:20 p.m.
YOW
-
PDX
2 stops34h 19m
Multiple Airlines
Deal found 10/6C$ 707

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 June 2026.

Round-trip from

C$ 636

One-way from

C$ 279

Popular in

March

Cheapest in

August

Average price

C$ 1,152
WestJet
  • WestJet
  • 8/9-12/9
  • 2 total stops
  • 31h 20m total
  • Portland to Ottawa
Search Deals
Air Canada
  • Air Canada
  • 10/7
  • 1 total stop
  • 7h 09m total
  • Portland to Ottawa
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 364 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 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 25/9

10:33 p.m.-4:38 p.m.

1 stop15h 05m

Ottawa

Tue 29/9

6:01 p.m.-9:50 a.m.

1 stop18h 49m

C$ 719
Quickest round-trip

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 5/10

10:33 p.m.-9:11 a.m.

1 stop7h 38m

Ottawa

Wed 14/10

3:10 p.m.-9:27 p.m.

1 stop9h 17m

C$ 719

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 22/9

10:56 a.m.-10:35 p.m.

1 stop8h 39m

Ottawa

Sat 26/9

6:05 a.m.-9:27 p.m.

1 stop18h 22m

C$ 721

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 22/9

7:02 a.m.-9:35 p.m.

1 stop11h 33m

Ottawa

Sat 26/9

9:00 a.m.-7:06 p.m.

2 stops13h 06m

C$ 725

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 7/9

7:45 p.m.-9:24 a.m.

2 stops10h 39m

Ottawa

Sat 12/9

10:00 a.m.-7:06 p.m.

2 stops12h 06m

C$ 731

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 5/10

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

2 stops24h 05m

Ottawa

Wed 14/10

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

2 stops9h 55m

C$ 731

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 21/9

7:15 p.m.-1:59 p.m.

2 stops15h 44m

Ottawa

Sat 26/9

6:00 a.m.-2:26 p.m.

2 stops11h 26m

C$ 742

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 25/9

3:30 p.m.-5:43 a.m.

1 stop11h 13m

Ottawa

Tue 29/9

9:00 a.m.-7:06 p.m.

2 stops13h 06m

C$ 744

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 24/8

11:02 p.m.-5:16 p.m.

1 stop15h 14m

Ottawa

Sat 29/8

6:00 a.m.-2:51 p.m.

2 stops11h 51m

C$ 751

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 16/7

11:30 p.m.-10:03 a.m.

1 stop7h 33m

Ottawa

Mon 20/7

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

1 stop9h 38m

C$ 753

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 21 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

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?

    United Airlines and Air Canada can get you from Portland to Ottawa in just under 10h 39m. Your travel time can differ by up to 4h 26m. 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.

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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