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Cheap flights from Portland to Ottawa from $246

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Ottawa departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:43 am - 12:35 pmPDX-YOW
22h 52m1 stop
Multiple Airlines Logo
4:15 pm - 1:50 pmYOW-PDX
24h 35m2 stops
$484Multiple Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 9
Multiple Airlines Logo
9:40 pm - 5:13 pmPDX-YOW
16h 33m1 stop
Multiple Airlines Logo
4:15 pm - 1:50 pmYOW-PDX
24h 35m2 stops
$505Multiple Airlines
Find Deal
Fri, Nov 28 - Wed, Dec 10
Multiple Airlines Logo
5:49 pm - 5:25 pmPDX-YOW
20h 36m2 stops
Multiple Airlines Logo
9:25 am - 8:00 pmYOW-PDX
13h 35m1 stop
$508Multiple Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
Air Canada Logo
7:00 pm - 6:43 amPDX-YOW
8h 43m1 stop
Air Canada Logo
7:45 am - 6:30 pmYOW-PDX
13h 45m1 stop
$546Air Canada
Find Deal
Tue, Dec 2 - Tue, Dec 9
Air Canada Logo
7:00 pm - 6:43 amPDX-YOW
8h 43m1 stop
Air Canada Logo
7:45 am - 6:30 pmYOW-PDX
13h 45m1 stop
$552Air Canada
Find Deal
Sat, Dec 6 - Tue, Dec 9
American Airlines Logo
1:26 pm - 4:49 pmPDX-YOW
24h 23m2 stops
American Airlines Logo
6:45 am - 9:15 pmYOW-PDX
17h 30m2 stops
$674American Airlines
Find Deal
Fri, Nov 21 - Sun, Nov 23
American Airlines Logo
11:59 pm - 4:49 pmPDX-YOW
13h 50m2 stops
American Airlines Logo
6:45 am - 9:15 pmYOW-PDX
17h 30m2 stops
$711American Airlines
Find Deal
Fri, Nov 21 - Sun, Nov 23
United Airlines Logo
5:00 am - 5:12 pmPDX-YOW
9h 12m2 stops
United Airlines Logo
7:30 pm - 1:37 pmYOW-PDX
21h 07m2 stops
$814United Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 9
Delta Logo
12:35 am - 12:40 amPDX-YOW
21h 05m2 stops
Delta Logo
5:40 am - 10:19 pmYOW-PDX
19h 39m2 stops
$839Delta
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Wed, Nov 26 - Wed, Dec 10
Delta Logo
12:35 am - 12:40 amPDX-YOW
21h 05m2 stops
Delta Logo
5:40 am - 10:19 pmYOW-PDX
19h 39m2 stops
$904Delta
Find Deal
Wed, Nov 26 - Wed, Dec 10

Air Canada flights from Portland to Ottawa

Our best Air Canada deals on Portland to Ottawa flight tickets
Air Canada
Dec 2
PDX7:00 pmPortland
8h 43m
1 stop
YOW6:43 amOttawa
Dec 9
YOW7:45 amOttawa
13h 45m
1 stop
PDX6:30 pmPortland
$546
Find similar
Air Canada
Dec 6
PDX7:00 pmPortland
8h 43m
1 stop
YOW6:43 amOttawa
Dec 9
YOW7:45 amOttawa
13h 45m
1 stop
PDX6:30 pmPortland
$552
Find similar
Air Canada
Nov 27
PDX7:00 pmPortland
17h 45m
1 stop
YOW3:45 pmOttawa
Dec 10
YOW7:45 amOttawa
9h 55m
1 stop
PDX2:40 pmPortland
$562
Find similar

American Airlines flights from Portland to Ottawa

Our best American Airlines deals on Portland to Ottawa flight tickets
American Airlines
Nov 21
PDX1:26 pmPortland
24h 23m
2 stops
YOW4:49 pmOttawa
Nov 23
YOW6:45 amOttawa
17h 30m
2 stops
PDX9:15 pmPortland
$674
Find similar
American Airlines
Nov 21
PDX11:59 pmPortland
13h 50m
2 stops
YOW4:49 pmOttawa
Nov 23
YOW6:45 amOttawa
17h 30m
2 stops
PDX9:15 pmPortland
$711
Find similar
American Airlines
Dec 1
PDX12:59 amPortland
12h 52m
2 stops
YOW4:51 pmOttawa
Dec 9
YOW10:00 amOttawa
14h 24m
2 stops
PDX9:24 pmPortland
$777
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 5, 2025.
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

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 12/6

10:43 am-12:35 pm

1 stop22h 52m

Ottawa

Tue 12/9

4:15 pm-1:50 pm

2 stops24h 35m

$484

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 11/28

9:40 pm-5:13 pm

1 stop16h 33m

Ottawa

Wed 12/10

4:15 pm-1:50 pm

2 stops24h 35m

$505

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 12/8

5:49 pm-5:25 pm

2 stops20h 36m

Ottawa

Sat 12/13

9:25 am-8:00 pm

1 stop13h 35m

$508

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 12/2

7:00 pm-6:43 am

1 stop8h 43m

Ottawa

Tue 12/9

7:45 am-6:30 pm

1 stop13h 45m

$546

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 12/6

7:00 pm-6:43 am

1 stop8h 43m

Ottawa

Tue 12/9

7:45 am-6:30 pm

1 stop13h 45m

$552

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 11/21

1:26 pm-4:49 pm

2 stops24h 23m

Ottawa

Sun 11/23

6:45 am-9:15 pm

2 stops17h 30m

$674

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 11/21

11:59 pm-4:49 pm

2 stops13h 50m

Ottawa

Sun 11/23

6:45 am-9:15 pm

2 stops17h 30m

$711

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 12/9

5:00 am-5:12 pm

2 stops9h 12m

Ottawa

Tue 12/9

7:30 pm-1:37 pm

2 stops21h 07m

$814

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 11/26

12:35 am-12:40 am

2 stops21h 05m

Ottawa

Wed 12/10

5:40 am-10:19 pm

2 stops19h 39m

$839

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 11/26

12:35 am-12:40 am

2 stops21h 05m

Ottawa

Wed 12/10

5:40 am-10:19 pm

2 stops19h 39m

$904

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ottawa from

How to get the cheapest flight ticket from Portland to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ottawa?

In general, August is the cheapest month to fly from Portland to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $388. The month of September is another great option to travel to Ottawa, with average flight prices from Portland averaging around $490.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from Portland to Ottawa is on a Saturday. Travelers who choose to depart for Ottawa on a Saturday will often find tickets for as low as $419. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Sunday is $751.

What is the cheapest time of day to depart on your flight to Ottawa?

In the afternoon is the cheapest time of day to fly from Portland to Ottawa when you can find flight prices for as low as $542. Flying to Ottawa in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $662 on average. Flights to Ottawa from Portland in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Portland to Ottawa flight prices changed over time?

As of November 2025, prices for Portland to Ottawa flights are approximately 29% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Ottawa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Ottawa (PDX to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Ottawa

Direct flights

None
There are no direct flights from Portland to Ottawa. There are no popular flight routes from Portland to Ottawa.
Search flight deals

  • How far is Portland to Ottawa by plane?

    Portland and Ottawa are 2241.5 mi apart from one another. A reasonable flight in good conditions will take 7h 27m.

  • When did momondo last update prices for flights from Portland Airport to Ottawa Airport?

    Prices for flights from Portland Airport to Ottawa Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Ottawa Airport?

  • How old do you have to be to fly from Portland Airport to Ottawa Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland to Ottawa?

Best airlines flying from Portland to Ottawa

Compare and see reviews for airlines that fly from Portland to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $315Free CancellationRating
7.1
10,408 reviews
Search Air Canada flights
United AirlinesPriceFrom $365Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Calabogie
Brockville
Petawawa
Pembroke
Smiths Falls
Perth
Prescott
Winchester
Wakefield

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Ottawa?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ottawa from Portland.

Can I find flights from Portland to Ottawa with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ottawa from Portland with this policy.

How can momondo help me find flights from Portland to Ottawa?

Once all potential Portland to Ottawa flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Ottawa right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to Ottawa flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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