Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Ottawa from $251

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 4/2. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 - 5:35 am
PDX
-
YOW
12h 05m
1 stop
WestJet Logo
6:55 am - 1:50 pm
YOW
-
PDX
9h 55m
2 stops
$369WestJet
Thu, Jun 4 - Tue, Jun 9
WestJet Logo
2:30 pm - 5:35 am
PDX
-
YOW
12h 05m
1 stop
WestJet Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$405WestJet
Thu, Jun 4 - Tue, Jun 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
$430WestJet
Fri, Jun 5 - Mon, Jun 8
WestJet Logo
2:30 pm - 5:35 pm
PDX
-
YOW
24h 05m
3 stops
WestJet Logo
6:25 pm - 1:50 pm
YOW
-
PDX
22h 25m
2 stops
$460WestJet
Thu, Jun 4 - Tue, Jun 9
WestJet Logo
2:30 pm - 5:35 pm
PDX
-
YOW
24h 05m
3 stops
WestJet Logo
6:25 pm - 1:50 pm
YOW
-
PDX
22h 25m
3 stops
$465WestJet
Thu, Jun 4 - Tue, Jun 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
$493WestJet
Thu, Jun 4 - Tue, Jun 9
WestJet Logo
2:30 pm - 5:35 am
PDX
-
YOW
12h 05m
1 stop
WestJet Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$498WestJet
Wed, May 13 - Tue, May 19
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
$506WestJet
Sun, Aug 16 - Sat, Aug 22
WestJet Logo
2:30 pm - 5:35 am
PDX
-
YOW
12h 05m
1 stop
WestJet Logo
7:20 am - 1:50 pm
YOW
-
PDX
9h 30m
1 stop
$509WestJet
Wed, Jun 3 - Tue, Jun 9
WestJet Logo
2:30 pm - 3:20 pm
PDX
-
YOW
21h 50m
1 stop
WestJet Logo
6:55 am - 1:50 pm
YOW
-
PDX
9h 55m
2 stops
$512WestJet
Tue, Jun 2 - Mon, Jun 8

WestJet flights from Portland to Ottawa

Our best WestJet deals on Portland to Ottawa flight tickets
WestJet
Jun 4
PDX2:30 pmPortland
12h 05m
1 stop
YOW5:35 amOttawa
Jun 9
YOW6:55 amOttawa
9h 55m
2 stops
PDX1:50 pmPortland
$369
WestJet
Jun 4
PDX2:30 pmPortland
12h 05m
1 stop
YOW5:35 amOttawa
Jun 9
YOW7:20 amOttawa
9h 30m
1 stop
PDX1:50 pmPortland
$405
WestJet
Jun 5
PDX2:30 pmPortland
19h 00m
2 stops
YOW12:30 pmOttawa
Jun 8
YOW6:55 amOttawa
9h 55m
2 stops
PDX1:50 pmPortland
$430

United Airlines flights from Portland to Ottawa

Our best United Airlines deals on Portland to Ottawa flight tickets
United Airlines
May 3
PDX10:55 pmPortland
12h 04m
1 stop
YOW1:59 pmOttawa
May 6
YOW10:44 amOttawa
14h 51m
1 stop
PDX10:35 pmPortland
$562
United Airlines
May 3
PDX10:55 pmPortland
12h 04m
1 stop
YOW1:59 pmOttawa
May 6
YOW10:44 amOttawa
14h 51m
1 stop
PDX10:35 pmPortland
$572
United Airlines
Apr 4
PDX7:00 amPortland
7h 07m
1 stop
YOW5:07 pmOttawa
Apr 11
YOW3:10 pmOttawa
9h 49m
1 stop
PDX9:59 pmPortland
$595

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 March 10, 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

Thu 6/4

2:30 pm-5:35 am

1 stop12h 05m

Ottawa

Tue 6/9

6:55 am-1:50 pm

2 stops9h 55m

$369

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 6/4

2:30 pm-5:35 am

1 stop12h 05m

Ottawa

Tue 6/9

7:20 am-1:50 pm

1 stop9h 30m

$405

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 6/5

2:30 pm-12:30 pm

2 stops19h 00m

Ottawa

Mon 6/8

6:55 am-1:50 pm

2 stops9h 55m

$430

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 6/4

2:30 pm-5:35 pm

3 stops24h 05m

Ottawa

Tue 6/9

6:25 pm-1:50 pm

2 stops22h 25m

$460

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 6/4

2:30 pm-5:35 pm

3 stops24h 05m

Ottawa

Tue 6/9

6:25 pm-1:50 pm

3 stops22h 25m

$465

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 6/4

2:30 pm-12:30 pm

2 stops19h 00m

Ottawa

Tue 6/9

6:55 am-1:50 pm

2 stops9h 55m

$493

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 5/13

2:30 pm-5:35 am

1 stop12h 05m

Ottawa

Tue 5/19

7:20 am-1:50 pm

1 stop9h 30m

$498
Quickest round-trip

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 8/16

2:30 pm-12:40 am

1 stop7h 10m

Ottawa

Sat 8/22

7:20 am-1:50 pm

1 stop9h 30m

$506

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 6/3

2:30 pm-5:35 am

1 stop12h 05m

Ottawa

Tue 6/9

7:20 am-1:50 pm

1 stop9h 30m

$509

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 6/2

2:30 pm-3:20 pm

1 stop21h 50m

Ottawa

Mon 6/8

6:55 am-1:50 pm

2 stops9h 55m

$512

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

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 09m

Direct flights

None
The fastest flight from Portland to Ottawa takes 7h 09m
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 09m.

  • 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
9,409 reviews
Search United Airlines flights
Air CanadaPriceFrom $300Free CancellationRating
7.1
10,800 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
Petawawa
Smiths Falls
Brockville
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/9
Thu 4/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada