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Cheap flights from Ottawa to Portland from C$ 301

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — PDX
27 nov. — 4 dic.1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Ottawa to Portland are usually found in July or September, booked 49 days in advance, depart on a Sunday or Tuesday and return on a Monday

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Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Portland
Explore the most affordable flight options available from Ottawa to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 octubre 2025.

mié. 31/127:27 p.m.YOW - PDX
2 stops21h 08mUnited Airlines
jue. 8/15:00 a.m.PDX - YOW
2 stops13h 56mUnited Airlines
Deal found 26/10C$ 702
dom. 23/119:45 a.m.YOW - PDX
1 stop13h 44mMultiple Airlines
dom. 30/113:15 p.m.PDX - YOW
2 stops20h 45mMultiple Airlines
Deal found 26/10C$ 755
dom. 23/112:15 p.m.YOW - PDX
2 stops11h 41mUnited Airlines
dom. 30/119:45 p.m.PDX - YOW
2 stops16h 27mUnited Airlines
Deal found 26/10C$ 786
mié. 31/126:00 a.m.YOW - PDX
1 stop19h 39mMultiple Airlines
jue. 8/17:00 p.m.PDX - YOW
1 stop8h 43mMultiple Airlines
Deal found 26/10C$ 796
dom. 23/115:40 a.m.YOW - PDX
2 stops39h 03mWestJet
sáb. 29/1112:35 a.m.PDX - YOW
2 stops21h 05mWestJet
Deal found 26/10C$ 983
lun. 22/122:15 p.m.YOW - PDX
1 stop9h 33mUnited Airlines
mié. 31/127:10 a.m.PDX - YOW
1 stop11h 08mUnited Airlines
Deal found 26/10C$ 1,127
mié. 24/123:10 p.m.YOW - PDX
1 stop10h 29mUnited Airlines
mié. 31/1211:02 a.m.PDX - YOW
1 stop7h 16mUnited Airlines
Deal found 26/10C$ 1,312
dom. 23/116:45 a.m.YOW - PDX
2 stops17h 30mAmerican Airlines
dom. 30/1111:59 p.m.PDX - YOW
3 stops15h 26mAmerican Airlines
Deal found 26/10C$ 1,334
dom. 21/123:10 p.m.YOW - PDX
1 stop10h 29mUnited Airlines
dom. 28/127:10 a.m.PDX - YOW
1 stop11h 08mUnited Airlines
Deal found 26/10C$ 1,400

Cheap flight deals from Ottawa to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Portland (PDX). 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 octubre 2025.

Round-trip from

C$ 694

One-way from

C$ 301

Popular in

October

Cheapest in

July

Average price

C$ 936
Air Canada
  • Air Canada
  • 3/3-4/3
  • 3 total stops
  • 20h 38m total
  • Ottawa to Portland
Search Deals
10/12
  • 10/12
  • 2 total stops
  • 24h 35m total
  • Ottawa to Portland
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Portland 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 octubre 2025.
Use the filters below to find and compare flights from Ottawa to Portland that are best for you.

Fly from

Ottawa

Fly to

Portland

Route

Depart

Return

Price

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

mar. 3/3

5:45 a.m.-2:40 p.m.

2 stops11h 55m

Portland

mié. 4/3

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

1 stop8h 43m

C$ 694

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

mié. 31/12

7:27 p.m.-1:35 p.m.

2 stops21h 08m

Portland

jue. 8/1

5:00 a.m.-9:56 p.m.

2 stops13h 56m

C$ 702

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

mié. 10/12

4:15 p.m.-1:50 p.m.

2 stops24h 35m

C$ 301

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

mié. 10/12

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

1 stop9h 55m

C$ 372

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Best time to book a flight from Ottawa to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Ottawa 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 Ottawa to Portland

How far ahead should I book a flight from Ottawa to Portland?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Portland. Price data was last updated on 24 October 2025.

The price you pay for your flight from Ottawa to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 47 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Ottawa to Portland?

Currently, August is the cheapest month in which you can book a flight from Ottawa to Portland (average of C$ 224). Flying from Ottawa to Portland in October is currently the most expensive (average of C$ 462). 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.

What is the cheapest time of day to fly from YOW to PDX?

Find hourly flight availability from Ottawa to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 octubre 2025.

One of the essential ways to save on airfare from Ottawa to Portland is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 68% on airfare.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated 28 octubre 2025.
See what other customers who have flown with United Airlines,WestJet, andAir Canada from Ottawa to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,001 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
WestJet
7.2
Good
3,148 reviews
United Airlines
7.4
Good
9,001 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,371 reviews
United Airlines
7.4
Good
9,001 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Portland. 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 Ottawa to Portland?

    Departing from Ottawa to Portland will take you 11h 55m. Ottawa and Portland are separated by a distance of 3605 km.

  • What are the cheapest airlines flying from Ottawa to Portland round-trip?

    According to our current data, WestJet (C$ 312), United Airlines (C$ 414), and Air Canada (C$ 429) offers the cheapest pricing from Ottawa to Portland. You may be able to fly from Ottawa to Portland for 53% less than the average price by searching for these airlines.

  • Can I find deals for flights from Ottawa to Portland that include hotel bookings?

    Yes. In addition to deals on Ottawa to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Portland.

  • Can I find deals for business class flights from Ottawa to Portland?

    Yes. Cheapflights offers flight deals from Ottawa to Portland 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 Ottawa to Portland?

    Currently, August is the cheapest month in which you can book a flight from Ottawa to Portland (average of C$ 224). Flying from Ottawa to Portland in October is currently the most expensive (average of C$ 462). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Tillamook
Cannon Beach
Lincoln City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Ottawa to Portland

Discover the top 3 airlines that operate flights from Ottawa to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 octubre 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 312AverageC$ 480FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 414AverageC$ 684FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 429AverageC$ 704FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa to Portland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Portland?

Cheapflights simply makes it quick and affordable to book flights from Ottawa to Portland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ottawa to Portland with no change fees?

Certainly. Search results for flights to Portland from Ottawa 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 Ottawa to Portland become cheaper?

Of course! You can now track prices for flights from Ottawa to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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