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Cheap flights from Portland to Ottawa from C$ 223

PDX — YOW
6 Oct — 13 Oct1
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

Mon 5/102:30 p.m. -
1 stop12h 05m
Wed 14/107:20 a.m. -
1 stop9h 30m
Deal found 5/9C$ 520
Tue 20/107:45 p.m. -
2 stops10h 34m
Wed 21/1012:00 p.m. -
2 stops10h 11m
Deal found 1/9C$ 574
Mon 5/107:45 p.m. -
1 stop7h 13m
Wed 14/1010:00 a.m. -
2 stops12h 11m
Deal found 2/9C$ 594
Tue 20/108:30 a.m. -
1 stop10h 05m
Wed 21/103:10 p.m. -
1 stop9h 17m
Deal found 1/9C$ 603
Mon 19/107:45 p.m. -
1 stop7h 13m
Wed 21/109:00 a.m. -
2 stops13h 11m
Deal found 3/9C$ 607
Mon 19/1010:33 p.m. -
1 stop7h 38m
Wed 21/105:20 p.m. -
1 stop8h 03m
Deal found 4/9C$ 609
Tue 20/108:30 a.m. -
1 stop10h 05m
Tue 27/106:15 a.m. -
2 stops11h 19m
Deal found 5/9C$ 617

Find flight deals from Portland to Ottawa

Round-trip from

C$ 520

One-way from

C$ 223

Popular in

April

Cheapest in

August

Average price

C$ 903
WestJet
  • WestJet
  • 5/10-14/10
  • 2 total stops
  • 21h 35m total
  • Portland to Ottawa
Search Deals
WestJet
  • WestJet
  • 23/9-31/12
  • 2 total stops
  • 19h 00m total
  • Portland to Ottawa
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 301 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 Portland - YOW Ottawa

PDXYOW

Portland

Wed 23/9

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

2 stops19h 00m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 223
Quickest round-trip

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Sat 17/10

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

1 stop7h 38m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 260

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Sun 4/10

11:59 p.m.-5:16 p.m.

2 stops14h 17m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 273

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Sat 17/10

9:31 a.m.-5:35 a.m.

3 stops17h 04m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 332

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Mon 19/10

7:45 p.m.-5:58 a.m.

1 stop7h 13m

Ottawa

Wed 21/10

5:10 a.m.-2:46 p.m.

2 stops12h 36m

C$ 594

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Tue 20/10

8:30 a.m.-9:35 p.m.

1 stop10h 05m

Ottawa

Wed 21/10

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

1 stop9h 17m

C$ 603

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Tue 20/10

8:30 a.m.-9:35 p.m.

1 stop10h 05m

Ottawa

Tue 27/10

9:45 a.m.-8:15 p.m.

1 stop13h 30m

C$ 603

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Tue 20/10

7:45 p.m.-4:23 p.m.

1 stop17h 38m

Ottawa

Wed 21/10

7:30 p.m.-9:31 a.m.

2 stops17h 01m

C$ 609

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Wed 30/9

8:25 a.m.-6:55 p.m.

1 stop7h 30m

Ottawa

Wed 7/10

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

1 stop18h 49m

C$ 609

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Mon 19/10

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

1 stop7h 38m

Ottawa

Wed 21/10

5:20 p.m.-10:23 p.m.

1 stop8h 03m

C$ 609

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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

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?

Airfare is below average for this route at the moment.

Portland to Ottawa flights typically cost between C$ 632 and C$ 1,065 in October.
The cheapest round-trip price found within the last 5 days was C$ 520 on WestJet (5 Oct-14 Oct).

Related info for your journey

  • How long is the flight from Portland to Ottawa?

    Air Canada and United Airlines can get you from Portland to Ottawa in just under 7h 13m. Your travel time can differ by up to 2h 52m. 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
Prescott
Brockville
Wakefield
Pembroke
Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

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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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