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Cheap flights from Portland to Ottawa from C$ 249

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 28/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YOW
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 28 October 2025.

Round-trip from

C$ 681

One-way from

C$ 249

Popular in

April

Cheapest in

August

Average price

C$ 1,000
11/12-17/12
  • 11/12-17/12
  • 3 total stops
  • 34h 33m total
  • Portland to Ottawa
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28/12
  • 28/12
  • 3 total stops
  • 23h 01m total
  • Portland to Ottawa
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 336 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease (C$ 80 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 28 October 2025.

Thu 11/127:04 a.m.PDX - YOW
2 stops14h 36mMultiple Airlines
Wed 17/124:20 p.m.YOW - PDX
1 stop19h 57mMultiple Airlines
Deal found 28/10C$ 681
Mon 8/127:00 a.m.PDX - YOW
1 stop26h 35mMultiple Airlines
Thu 11/126:00 a.m.YOW - PDX
2 stops18h 46mMultiple Airlines
Deal found 28/10C$ 716
Mon 8/129:31 a.m.PDX - YOW
2 stops26h 13mMultiple Airlines
Fri 12/129:25 a.m.YOW - PDX
1 stop14h 19mMultiple Airlines
Deal found 28/10C$ 722
Mon 8/127:00 p.m.PDX - YOW
1 stop8h 43mAir Canada
Thu 11/127:45 a.m.YOW - PDX
1 stop9h 55mAir Canada
Deal found 28/10C$ 786
Thu 27/113:15 p.m.PDX - YOW
1 stop21h 30mAir Canada
Wed 10/127:45 a.m.YOW - PDX
1 stop9h 55mAir Canada
Deal found 27/10C$ 790
Thu 27/115:20 a.m.PDX - YOW
2 stops35h 45mMultiple Airlines
Wed 10/129:25 a.m.YOW - PDX
1 stop14h 19mMultiple Airlines
Deal found 27/10C$ 814
Sun 23/119:30 p.m.PDX - YOW
1 stop16h 36mMultiple Airlines
Sun 30/116:45 p.m.YOW - PDX
2 stops41h 43mMultiple Airlines
Deal found 26/10C$ 825
Mon 8/127:00 p.m.PDX - YOW
1 stop8h 43mAir Canada
Fri 12/127:45 a.m.YOW - PDX
1 stop9h 55mAir Canada
Deal found 28/10C$ 835
Thu 13/1111:59 p.m.PDX - YOW
1 stop14h 13mAir Canada
Mon 17/115:50 p.m.YOW - PDX
1 stop18h 25mAir Canada
Deal found 28/10C$ 901
Fri 21/1111:59 p.m.PDX - YOW
1 stop7h 27mUnited Airlines
Sun 23/1111:10 a.m.YOW - PDX
1 stop14h 25mUnited Airlines
Deal found 27/10C$ 911

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 28 October 2025.
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

Mon 23/2

6:00 a.m.-12:39 a.m.

2 stops15h 39m

Ottawa

Fri 27/2

3:55 p.m.-8:45 p.m.

1 stop31h 50m

C$ 692

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 23/11

9:30 p.m.-5:06 p.m.

1 stop16h 36m

Ottawa

Sun 30/11

6:45 p.m.-9:28 a.m.

2 stops41h 43m

C$ 825

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 8/12

7:00 p.m.-6:43 a.m.

1 stop8h 43m

Ottawa

Fri 12/12

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

1 stop9h 55m

C$ 835

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 11/12

7:04 a.m.-5:09 p.m.

1 stop31h 05m

Ottawa

Wed 17/12

4:20 p.m.-9:17 a.m.

1 stop19h 57m

C$ 855

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 10/3

7:00 p.m.-6:43 a.m.

1 stop8h 43m

Ottawa

Wed 11/3

9:15 a.m.-6:30 p.m.

2 stops12h 15m

C$ 866

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 10/3

11:55 p.m.-10:26 a.m.

1 stop7h 31m

Ottawa

Wed 11/3

2:15 p.m.-8:25 p.m.

1 stop9h 10m

C$ 870

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 12/2

7:00 p.m.-6:43 a.m.

1 stop8h 43m

Ottawa

Sun 15/2

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

1 stop9h 55m

C$ 890

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 13/11

11:59 p.m.-10:26 a.m.

1 stop7h 27m

Ottawa

Mon 17/11

5:50 p.m.-9:15 a.m.

1 stop18h 25m

C$ 901

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 28/12

10:24 p.m.-12:25 a.m.

3 stops23h 01m

C$ 249

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 11/12

7:00 p.m.-6:43 a.m.

1 stop8h 43m

C$ 354

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 16 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, October is the cheapest month in which you can book a flight from Portland to Ottawa (average of C$ 246). Flying from Portland to Ottawa in April is currently the most expensive (average of C$ 592). 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?

    Air Canada can get you from Portland to Ottawa in just under 8h 43m. 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, October is the cheapest month in which you can book a flight from Portland to Ottawa (average of C$ 246). Flying from Portland to Ottawa in April is currently the most expensive (average of C$ 592). 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
Prescott
Pembroke
Wakefield

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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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