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Cheap flights from Portland to Ottawa from $204

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 9/1. 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
2:48 pm - 7:20 pmPDX  Portland-YOW Ottawa
25h 32m2 stops Phoenix Sky Harbor Intl Calgary
Multiple Airlines Logo
7:20 am - 1:50 pmYOW  Ottawa-PDX Portland
9h 30m1 stop Calgary
$497Multiple Airlines
Tue, Sep 8 - Fri, Sep 11
Multiple Airlines Logo
7:45 pm - 5:35 amPDX  Portland-YOW Ottawa
30h 50m3 stops Vancouver Intl Edmonton Calgary
Multiple Airlines Logo
2:00 pm - 9:31 amYOW  Ottawa-PDX Portland
22h 31m3 stops Hamilton Calgary Vancouver Intl
$499Multiple Airlines
Sun, Sep 13 - Sun, Sep 20
Multiple Airlines Logo
12:38 pm - 2:33 pmPDX  Portland-YOW Ottawa
22h 55m2 stops Denver Intl Orlando
Multiple Airlines Logo
2:10 pm - 8:00 pmYOW  Ottawa-PDX Portland
8h 50m1 stop Newark
$507Multiple Airlines
Thu, Sep 17 - Wed, Sep 23
Multiple Airlines Logo
9:36 pm - 5:19 pmPDX  Portland-YOW Ottawa
16h 43m1 stop Boston Logan Intl
Multiple Airlines Logo
7:20 am - 1:50 pmYOW  Ottawa-PDX Portland
9h 30m1 stop Calgary
$510Multiple Airlines
Mon, Sep 7 - Fri, Sep 11
Air Canada Logo
10:10 am - 12:53 amPDX  Portland-YOW Ottawa
11h 43m1 stop Vancouver Intl
Air Canada Logo
6:55 am - 2:51 pmYOW  Ottawa-PDX Portland
10h 56m1 stop Vancouver Intl
$557Air Canada
Mon, Oct 5 - Wed, Oct 14
Air Canada Logo
3:30 pm - 5:43 amPDX  Portland-YOW Ottawa
11h 13m1 stop Vancouver Intl
Air Canada Logo
6:55 am - 7:06 pmYOW  Ottawa-PDX Portland
15h 11m1 stop Vancouver Intl
$557Air Canada
Fri, Oct 2 - Mon, Oct 5
Air Canada Logo
10:10 am - 12:53 amPDX  Portland-YOW Ottawa
11h 43m1 stop Vancouver Intl
Air Canada Logo
6:55 am - 2:51 pmYOW  Ottawa-PDX Portland
10h 56m1 stop Vancouver Intl
$558Air Canada
Mon, Oct 5 - Wed, Oct 14
United Airlines Logo
8:15 am - 9:35 pmPDX  Portland-YOW Ottawa
10h 20m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 8:10 pmYOW  Ottawa-PDX Portland
17h 10m1 stop Washington, D.C. Dulles Intl
$635United Airlines
Sun, Sep 13 - Sun, Sep 20
United Airlines Logo
8:30 am - 9:35 pmPDX  Portland-YOW Ottawa
10h 05m1 stop Chicago O'Hare Intl
United Airlines Logo
6:25 am - 3:56 pmYOW  Ottawa-PDX Portland
12h 31m1 stop Chicago O'Hare Intl
$635United Airlines
Sat, Oct 17 - Wed, Oct 21
United Airlines Logo
8:30 am - 9:35 pmPDX  Portland-YOW Ottawa
10h 05m1 stop Chicago O'Hare Intl
United Airlines Logo
6:01 pm - 9:50 amYOW  Ottawa-PDX Portland
18h 49m1 stop Newark
$635United Airlines
Mon, Oct 5 - Wed, Oct 14

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WestJet flights from Portland to Ottawa

Our best WestJet deals on Portland to Ottawa flight tickets
WestJet
Sep 7
PDX2:30 pmPortland
7h 10m
1 stop
YOW12:40 amOttawa
Sep 11
YOW6:55 amOttawa
9h 55m
2 stops
PDX1:50 pmPortland
$533
WestJet
Sep 6
PDX2:30 pmPortland
7h 10m
1 stop
YOW12:40 amOttawa
Sep 10
YOW8:15 pmOttawa
20h 35m
1 stop
PDX1:50 pmPortland
$593
WestJet
Sep 7
PDX2:30 pmPortland
7h 10m
1 stop
YOW12:40 amOttawa
Sep 12
YOW7:20 amOttawa
9h 30m
1 stop
PDX1:50 pmPortland
$660

Air Canada flights from Portland to Ottawa

Our best Air Canada deals on Portland to Ottawa flight tickets
Air Canada
Oct 5
PDX10:10 amPortland
11h 43m
1 stop
YOW12:53 amOttawa
Oct 14
YOW6:55 amOttawa
10h 56m
1 stop
PDX2:51 pmPortland
$557
Air Canada
Sep 22
PDX10:10 amPortland
11h 43m
1 stop
YOW12:53 amOttawa
Sep 29
YOW5:00 amOttawa
12h 46m
1 stop
PDX2:46 pmPortland
$558
Air Canada
Sep 7
PDX11:02 pmPortland
15h 14m
1 stop
YOW5:16 pmOttawa
Sep 12
YOW6:25 amOttawa
15h 56m
1 stop
PDX7:21 pmPortland
$603

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 August 9, 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 Portland - YOW Ottawa

PDXYOW

Portland

Tue 9/8

2:48 pm-7:20 pm

2 stops25h 32m

Ottawa

Fri 9/11

7:20 am-1:50 pm

1 stop9h 30m

$497

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Sun 9/13

7:45 pm-5:35 am

3 stops30h 50m

Ottawa

Sun 9/20

2:00 pm-9:31 am

3 stops22h 31m

$499

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Thu 9/17

12:38 pm-2:33 pm

2 stops22h 55m

Ottawa

Wed 9/23

2:10 pm-8:00 pm

1 stop8h 50m

$507

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Mon 9/7

9:36 pm-5:19 pm

1 stop16h 43m

Ottawa

Fri 9/11

7:20 am-1:50 pm

1 stop9h 30m

$510

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Mon 10/5

10:10 am-12:53 am

1 stop11h 43m

Ottawa

Wed 10/14

6:55 am-2:51 pm

1 stop10h 56m

$557

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Fri 10/2

3:30 pm-5:43 am

1 stop11h 13m

Ottawa

Mon 10/5

6:55 am-7:06 pm

1 stop15h 11m

$557

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Mon 10/5

10:10 am-12:53 am

1 stop11h 43m

Ottawa

Wed 10/14

6:55 am-2:51 pm

1 stop10h 56m

$558

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Sun 9/13

8:15 am-9:35 pm

1 stop10h 20m

Ottawa

Sun 9/20

6:00 am-8:10 pm

1 stop17h 10m

$635
Quickest round-trip

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Sat 10/17

8:30 am-9:35 pm

1 stop10h 05m

Ottawa

Wed 10/21

6:25 am-3:56 pm

1 stop12h 31m

$635

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Mon 10/5

8:30 am-9:35 pm

1 stop10h 05m

Ottawa

Wed 10/14

6:01 pm-9:50 am

1 stop18h 49m

$635

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 typical price of a round-trip flight between Portland and Ottawa?

Prices are currently typical for flights on this route.

Typical prices usually range from $482 to $1,053.
The lowest price recently found on this route was $497.

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 November is another great option to travel to Ottawa, with average flight prices from Portland averaging around $492.

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

10h 05m

Direct flights

None
The fastest flight from Portland to Ottawa takes 10h 05m
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 10h 05m.

  • 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 $335Free CancellationRating
7.1
11,455 reviews
Search Air Canada flights
United AirlinesPriceFrom $543Free CancellationRating
7.4
10,088 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
Brockville
Pembroke
Petawawa
Perth
Calabogie
Smiths Falls
Prescott
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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