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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 8/2. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:30 pm - 7:47 pm
PDX
-
YOW
26h 17m
2 stops
Multiple Airlines Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$455Multiple Airlines
Tue, Sep 1 - Fri, Sep 4
WestJet Logo
2:30 pm - 12:40 am
PDX
-
YOW
7h 10m
1 stop
WestJet Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$466WestJet
Sat, Sep 5 - Wed, Sep 9
WestJet Logo
2:30 pm - 12:40 am
PDX
-
YOW
7h 10m
1 stop
WestJet Logo
6:55 am - 1:50 pm
YOW
-
PDX
9h 55m
2 stops
$479WestJet
Sat, Sep 5 - Wed, Sep 9
Multiple Airlines Logo
2:30 pm - 12:55 pm
PDX
-
YOW
19h 25m
1 stop
Multiple Airlines Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$484Multiple Airlines
Tue, Sep 1 - Fri, Sep 4
WestJet Logo
2:30 pm - 12:40 am
PDX
-
YOW
7h 10m
1 stop
WestJet Logo
1:20 pm - 1:50 pm
YOW
-
PDX
27h 30m
1 stop
$497WestJet
Tue, Sep 1 - Fri, Sep 4
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
$504WestJet
Sat, Sep 5 - Wed, Sep 9
WestJet Logo
2:30 pm - 12:30 pm
PDX
-
YOW
19h 00m
2 stops
WestJet Logo
6:55 am - 1:50 pm
YOW
-
PDX
9h 55m
2 stops
$518WestJet
Sat, Sep 5 - Wed, Sep 9
Air Canada Logo
7:45 pm - 5:54 am
PDX
-
YOW
7h 09m
1 stop
Air Canada Logo
6:00 am - 2:46 pm
YOW
-
PDX
11h 46m
2 stops
$519Air Canada
Sat, Sep 5 - Wed, Sep 9
WestJet Logo
2:30 pm - 12:40 am
PDX
-
YOW
7h 10m
1 stop
WestJet Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$524WestJet
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
11:30 pm - 5:16 pm
PDX
-
YOW
14h 46m
1 stop
United Airlines Logo
3:10 pm - 9:27 pm
YOW
-
PDX
9h 17m
1 stop
$525United Airlines
Mon, Oct 5 - Wed, Oct 14

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Air Canada flights from Portland to Ottawa

Our best Air Canada deals on Portland to Ottawa flight tickets
Air Canada
Sep 5
PDX7:45 pmPortland
7h 09m
1 stop
YOW5:54 amOttawa
Sep 9
YOW6:00 amOttawa
11h 46m
2 stops
PDX2:46 pmPortland
$519
Air Canada
Oct 5
PDX7:45 pmPortland
10h 39m
2 stops
YOW9:24 amOttawa
Oct 14
YOW6:00 amOttawa
11h 51m
2 stops
PDX2:51 pmPortland
$528
Air Canada
Sep 7
PDX7:45 pmPortland
10h 39m
2 stops
YOW9:24 amOttawa
Sep 12
YOW10:00 amOttawa
12h 11m
2 stops
PDX7:11 pmPortland
$533

United Airlines flights from Portland to Ottawa

Our best United Airlines deals on Portland to Ottawa flight tickets
United Airlines
Oct 5
PDX11:30 pmPortland
14h 46m
1 stop
YOW5:16 pmOttawa
Oct 14
YOW3:10 pmOttawa
9h 17m
1 stop
PDX9:27 pmPortland
$525
United Airlines
Oct 5
PDX11:30 pmPortland
14h 46m
1 stop
YOW5:16 pmOttawa
Oct 14
YOW6:25 amOttawa
8h 08m
1 stop
PDX11:33 amPortland
$526
United Airlines
Oct 5
PDX6:55 pmPortland
11h 16m
2 stops
YOW9:11 amOttawa
Oct 14
YOW3:10 pmOttawa
9h 17m
1 stop
PDX9:27 pmPortland
$535

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 June 28, 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

Cheapest round-trip

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 9/1

2:30 pm-7:47 pm

2 stops26h 17m

Ottawa

Fri 9/4

7:20 am-1:50 pm

1 stop9h 30m

$455
Quickest round-trip

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 9/5

2:30 pm-12:40 am

1 stop7h 10m

Ottawa

Wed 9/9

7:20 am-1:50 pm

1 stop9h 30m

$466

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 9/5

2:30 pm-12:40 am

1 stop7h 10m

Ottawa

Wed 9/9

6:55 am-1:50 pm

2 stops9h 55m

$479

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 9/1

2:30 pm-12:55 pm

1 stop19h 25m

Ottawa

Fri 9/4

7:20 am-1:50 pm

1 stop9h 30m

$484

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 9/1

2:30 pm-12:40 am

1 stop7h 10m

Ottawa

Fri 9/4

1:20 pm-1:50 pm

1 stop27h 30m

$497

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 9/5

2:30 pm-12:30 pm

2 stops19h 00m

Ottawa

Wed 9/9

7:20 am-1:50 pm

1 stop9h 30m

$504

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 9/5

2:30 pm-12:30 pm

2 stops19h 00m

Ottawa

Wed 9/9

6:55 am-1:50 pm

2 stops9h 55m

$518

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 9/5

7:45 pm-5:54 am

1 stop7h 09m

Ottawa

Wed 9/9

6:00 am-2:46 pm

2 stops11h 46m

$519

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 9/5

2:30 pm-12:40 am

1 stop7h 10m

Ottawa

Wed 9/9

7:20 am-1:50 pm

1 stop9h 30m

$524

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 10/5

11:30 pm-5:16 pm

1 stop14h 46m

Ottawa

Wed 10/14

3:10 pm-9:27 pm

1 stop9h 17m

$525

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Portland and Ottawa?

What is the cheapest month to fly to Ottawa?

In general, February 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 $0. The month of August is another great option to travel to Ottawa, with average flight prices from Portland averaging around $482.

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

7h 13m

Direct flights

None
The fastest flight from Portland to Ottawa takes 7h 13m
There are no direct flights from Portland to Ottawa. There are no popular flight routes from Portland to Ottawa.
Search flight deals

Frequently asked questions about flying from Portland to Ottawa

  • 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 13m.

  • 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 $300Free CancellationRating
7.1
11,269 reviews
Search Air Canada flights
United AirlinesPriceFrom $365Free CancellationRating
7.4
9,899 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
Pembroke
Brockville
Petawawa
Smiths Falls
Perth
Calabogie
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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