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Cheap flights from Portland to Ottawa from $274

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 3/23. 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.
WestJet Logo
2:30 pm - 5:20 pm
PDX
-
YOW
23h 50m
1 stop
WestJet Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$344WestJet
Tue, Jun 2 - Tue, Jun 9
WestJet Logo
2:30 pm - 12:30 pm
PDX
-
YOW
19h 00m
2 stops
WestJet Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$362WestJet
Tue, Jun 2 - Tue, Jun 9
WestJet Logo
2:30 pm - 12:30 pm
PDX
-
YOW
19h 00m
2 stops
WestJet Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$363WestJet
Tue, Jun 2 - Tue, Jun 9
WestJet Logo
2:30 pm - 5:40 am
PDX
-
YOW
12h 10m
1 stop
WestJet Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$371WestJet
Tue, Jun 2 - Tue, Jun 9
WestJet Logo
2:30 pm - 12:30 pm
PDX
-
YOW
19h 00m
2 stops
WestJet Logo
5:55 am - 1:50 pm
YOW
-
PDX
10h 55m
2 stops
$375WestJet
Tue, Jun 2 - Tue, Jun 9
WestJet Logo
2:30 pm - 12:30 pm
PDX
-
YOW
19h 00m
2 stops
WestJet Logo
6:15 pm - 1:50 pm
YOW
-
PDX
22h 35m
2 stops
$394WestJet
Tue, Jun 2 - Tue, Jun 9
Multiple Airlines Logo
5:00 am - 12:20 am
PDX
-
YOW
16h 20m
2 stops
Multiple Airlines Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$419Multiple Airlines
Tue, May 19 - Tue, May 26
Multiple Airlines Logo
9:46 pm - 4:53 pm
PDX
-
YOW
16h 07m
1 stop
Multiple Airlines Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$429Multiple Airlines
Tue, May 19 - Tue, May 26
WestJet Logo
2:30 pm - 5:40 am
PDX
-
YOW
12h 10m
1 stop
WestJet Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$488WestJet
Tue, May 19 - Tue, May 26
Multiple Airlines Logo
6:00 am - 12:39 am
PDX
-
YOW
15h 39m
2 stops
Multiple Airlines Logo
10:35 am - 8:58 am
YOW
-
PDX
25h 23m
1 stop
$510Multiple Airlines
Tue, Mar 3 - Tue, Mar 10

WestJet flights from Portland to Ottawa

Our best WestJet deals on Portland to Ottawa flight tickets
WestJet
Jun 2
PDX2:30 pmPortland
23h 50m
1 stop
YOW5:20 pmOttawa
Jun 9
YOW7:20 amOttawa
9h 30m
1 stop
PDX1:50 pmPortland
$344
WestJet
Jun 2
PDX2:30 pmPortland
19h 00m
2 stops
YOW12:30 pmOttawa
Jun 9
YOW7:20 amOttawa
9h 30m
1 stop
PDX1:50 pmPortland
$362
WestJet
Jun 2
PDX2:30 pmPortland
19h 00m
2 stops
YOW12:30 pmOttawa
Jun 9
YOW7:20 amOttawa
9h 30m
1 stop
PDX1:50 pmPortland
$363

Air Canada flights from Portland to Ottawa

Our best Air Canada deals on Portland to Ottawa flight tickets
Air Canada
Apr 24
PDX7:05 pmPortland
8h 40m
1 stop
YOW6:45 amOttawa
Apr 26
YOW7:45 amOttawa
9h 55m
1 stop
PDX2:40 pmPortland
$597
Air Canada
May 3
PDX10:10 amPortland
7h 35m
1 stop
YOW8:45 pmOttawa
May 11
YOW6:00 amOttawa
11h 45m
2 stops
PDX2:45 pmPortland
$605
Air Canada
Apr 24
PDX7:05 pmPortland
8h 40m
1 stop
YOW6:45 amOttawa
Apr 26
YOW6:00 amOttawa
11h 40m
2 stops
PDX2:40 pmPortland
$610

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 February 12, 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

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 6/2

2:30 pm-5:20 pm

1 stop23h 50m

Ottawa

Tue 6/9

7:20 am-1:50 pm

1 stop9h 30m

$344

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 6/2

2:30 pm-12:30 pm

2 stops19h 00m

Ottawa

Tue 6/9

7:20 am-1:50 pm

1 stop9h 30m

$362

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 6/2

2:30 pm-12:30 pm

2 stops19h 00m

Ottawa

Tue 6/9

7:20 am-1:50 pm

1 stop9h 30m

$363

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 6/2

2:30 pm-5:40 am

1 stop12h 10m

Ottawa

Tue 6/9

7:20 am-1:50 pm

1 stop9h 30m

$371

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 6/2

2:30 pm-12:30 pm

2 stops19h 00m

Ottawa

Tue 6/9

5:55 am-1:50 pm

2 stops10h 55m

$375

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 6/2

2:30 pm-12:30 pm

2 stops19h 00m

Ottawa

Tue 6/9

6:15 pm-1:50 pm

2 stops22h 35m

$394

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 5/19

5:00 am-12:20 am

2 stops16h 20m

Ottawa

Tue 5/26

7:20 am-1:50 pm

1 stop9h 30m

$419

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 5/19

9:46 pm-4:53 pm

1 stop16h 07m

Ottawa

Tue 5/26

7:20 am-1:50 pm

1 stop9h 30m

$429

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 5/19

2:30 pm-5:40 am

1 stop12h 10m

Ottawa

Tue 5/26

7:20 am-1:50 pm

1 stop9h 30m

$488

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 3/3

6:00 am-12:39 am

2 stops15h 39m

Ottawa

Tue 3/10

10:35 am-8:58 am

1 stop25h 23m

$510

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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.

How have Portland to Ottawa flight prices changed over time?

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

Fastest flight time

11h 18m

Direct flights

None
The fastest flight from Portland to Ottawa takes 11h 18m
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 11h 18m.

  • 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
United AirlinesPriceFrom $148Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights
Air CanadaPriceFrom $300Free CancellationRating
7.1
10,709 reviews
Search Air Canada flights

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Pembroke
Calabogie
Brockville
Petawawa
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.

An easier way to manage your Ottawa trip

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