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Cheap flights from Ottawa to Portland from $181

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Portland 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 Ottawa to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
7:20 am - 1:50 pmYOW  Ottawa-PDX Portland
9h 30m1 stop Calgary
WestJet Logo
2:30 pm - 12:40 amPDX  Portland-YOW Ottawa
7h 10m1 stop Calgary
$403WestJet
Sat, Aug 29 - Tue, Sep 1
WestJet Logo
7:20 am - 1:50 pmYOW  Ottawa-PDX Portland
9h 30m1 stop Calgary
WestJet Logo
2:30 pm - 12:40 amPDX  Portland-YOW Ottawa
7h 10m1 stop Calgary
$403WestJet
Sat, Aug 29 - Sat, Sep 5
WestJet Logo
6:55 am - 1:50 pmYOW  Ottawa-PDX Portland
9h 55m2 stops Toronto Pearson Intl Calgary
WestJet Logo
2:30 pm - 12:40 amPDX  Portland-YOW Ottawa
7h 10m1 stop Calgary
$444WestJet
Sat, Aug 29 - Sat, Sep 5
WestJet Logo
6:55 am - 1:50 pmYOW  Ottawa-PDX Portland
9h 55m2 stops Toronto Pearson Intl Calgary
WestJet Logo
2:30 pm - 12:40 amPDX  Portland-YOW Ottawa
7h 10m1 stop Calgary
$444WestJet
Sat, Aug 29 - Wed, Sep 2
Air Canada Logo
5:00 am - 7:11 pmYOW  Ottawa-PDX Portland
17h 11m1 stop Vancouver Intl
Air Canada Logo
3:30 pm - 5:43 amPDX  Portland-YOW Ottawa
11h 13m1 stop Vancouver Intl
$449Air Canada
Sat, Sep 26 - Sat, Oct 17
WestJet Logo
6:00 am - 1:50 pmYOW  Ottawa-PDX Portland
10h 50m1 stop Calgary
WestJet Logo
2:30 pm - 12:40 amPDX  Portland-YOW Ottawa
7h 10m1 stop Calgary
$460WestJet
Fri, Aug 28 - Sat, Aug 29
WestJet Logo
6:00 am - 1:50 pmYOW  Ottawa-PDX Portland
10h 50m1 stop Calgary
WestJet Logo
2:30 pm - 12:40 amPDX  Portland-YOW Ottawa
7h 10m1 stop Calgary
$460WestJet
Sun, Aug 30 - Wed, Sep 2
WestJet Logo
1:20 pm - 1:50 pmYOW  Ottawa-PDX Portland
27h 30m1 stop Calgary
WestJet Logo
2:30 pm - 12:40 amPDX  Portland-YOW Ottawa
7h 10m1 stop Calgary
$460WestJet
Fri, Aug 28 - Wed, Sep 2
WestJet Logo
8:15 pm - 1:50 pmYOW  Ottawa-PDX Portland
20h 35m1 stop Calgary
WestJet Logo
2:30 pm - 12:40 amPDX  Portland-YOW Ottawa
7h 10m1 stop Calgary
$460WestJet
Thu, Aug 27 - Tue, Sep 1
Air Canada Logo
6:25 am - 11:28 amYOW  Ottawa-PDX Portland
8h 03m1 stop Chicago O'Hare Intl
Air Canada Logo
11:02 pm - 5:16 pmPDX  Portland-YOW Ottawa
15h 14m1 stop Chicago O'Hare Intl
$565Air Canada
Fri, Aug 21 - Sat, Aug 29

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United Airlines flights from Ottawa to Portland

Our best United Airlines deals on Ottawa to Portland flight tickets
United Airlines
Aug 27
YOW10:00 amOttawa
15h 54m
2 stops
PDX10:54 pmPortland
Aug 28
PDX8:15 amPortland
10h 20m
1 stop
YOW9:35 pmOttawa
$489
United Airlines
Sep 16
YOW6:00 amOttawa
19h 52m
3 stops
PDX10:52 pmPortland
Sep 20
PDX7:07 pmPortland
11h 04m
2 stops
YOW9:11 amOttawa
$494
United Airlines
Aug 27
YOW2:52 pmOttawa
11h 02m
2 stops
PDX10:54 pmPortland
Aug 29
PDX8:40 amPortland
12h 14m
2 stops
YOW11:54 pmOttawa
$495

American Airlines flights from Ottawa to Portland

Our best American Airlines deals on Ottawa to Portland flight tickets
American Airlines
Aug 26
YOW8:40 amOttawa
12h 20m
2 stops
PDX6:00 pmPortland
Aug 28
PDX5:59 amPortland
12h 51m
2 stops
YOW9:50 pmOttawa
$524
American Airlines
Aug 21
YOW7:00 amOttawa
14h 00m
2 stops
PDX6:00 pmPortland
Aug 29
PDX11:34 pmPortland
12h 21m
2 stops
YOW2:55 pmOttawa
$544
American Airlines
Aug 25
YOW8:40 amOttawa
12h 20m
2 stops
PDX6:00 pmPortland
Sep 1
PDX5:18 amPortland
13h 17m
2 stops
YOW9:35 pmOttawa
$571

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Portland 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 10, 2026.
Use the filters below to find and compare flights from Ottawa to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OttawaPortland

YOW Ottawa - PDX Portland

YOWPDX

Ottawa

Sat 8/29

7:20 am-1:50 pm

1 stop9h 30m

Portland

Tue 9/1

2:30 pm-12:40 am

1 stop7h 10m

$403

OttawaPortland

YOW Ottawa - PDX Portland

YOWPDX

Ottawa

Sat 8/29

7:20 am-1:50 pm

1 stop9h 30m

Portland

Sat 9/5

2:30 pm-12:40 am

1 stop7h 10m

$403

OttawaPortland

YOW Ottawa - PDX Portland

YOWPDX

Ottawa

Sat 8/29

6:55 am-1:50 pm

2 stops9h 55m

Portland

Sat 9/5

2:30 pm-12:40 am

1 stop7h 10m

$444

OttawaPortland

YOW Ottawa - PDX Portland

YOWPDX

Ottawa

Sat 8/29

6:55 am-1:50 pm

2 stops9h 55m

Portland

Wed 9/2

2:30 pm-12:40 am

1 stop7h 10m

$444

OttawaPortland

YOW Ottawa - PDX Portland

YOWPDX

Ottawa

Sat 9/26

5:00 am-7:11 pm

1 stop17h 11m

Portland

Sat 10/17

3:30 pm-5:43 am

1 stop11h 13m

$449

OttawaPortland

YOW Ottawa - PDX Portland

YOWPDX

Ottawa

Fri 8/28

6:00 am-1:50 pm

1 stop10h 50m

Portland

Sat 8/29

2:30 pm-12:40 am

1 stop7h 10m

$460

OttawaPortland

YOW Ottawa - PDX Portland

YOWPDX

Ottawa

Sun 8/30

6:00 am-1:50 pm

1 stop10h 50m

Portland

Wed 9/2

2:30 pm-12:40 am

1 stop7h 10m

$460

OttawaPortland

YOW Ottawa - PDX Portland

YOWPDX

Ottawa

Fri 8/28

1:20 pm-1:50 pm

1 stop27h 30m

Portland

Wed 9/2

2:30 pm-12:40 am

1 stop7h 10m

$460

OttawaPortland

YOW Ottawa - PDX Portland

YOWPDX

Ottawa

Thu 8/27

8:15 pm-1:50 pm

1 stop20h 35m

Portland

Tue 9/1

2:30 pm-12:40 am

1 stop7h 10m

$460

OttawaPortland

YOW Ottawa - PDX Portland

YOWPDX

Ottawa

Fri 8/21

6:25 am-11:28 am

1 stop8h 03m

Portland

Sat 8/29

11:02 pm-5:16 pm

1 stop15h 14m

$565

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ottawa to Portland

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 Ottawa and Portland?

Prices are currently low for flights on this route.

Typical prices usually range from $445 to $654.
The lowest price recently found on this route was $403.

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Ottawa is in June. Flight prices, which tend to average around $420, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in June, then you should wait until July to fly from Ottawa, when ticket prices are also cheap, with an average price of $444.

Can stopping save me money on Ottawa to Portland flights?

You could potentially save up to 16% on your flight if you consider stops on a Ottawa to Portland flight.

How have Ottawa to Portland flight prices changed over time?

When to book flights from Ottawa to Portland

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

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

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

Fastest flight time

9h 30m

Direct flights

None
The fastest flight from Ottawa to Portland takes 9h 30m
There are no direct flights from Ottawa to Portland. There are no popular flight routes from Ottawa to Portland.
Search flight deals

Frequently asked questions about flying from Ottawa to Portland

  • How far is Ottawa to Portland by plane?

    The straight-line distance from Ottawa to Portland is 2241.5 mi. Flights usually cover this in 9h 30m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Ottawa Airport to Portland Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Portland Airport.

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

    The necessary travel and health documents for your Portland 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 Ottawa to Portland?

Best airlines flying from Ottawa to Portland

Compare and see reviews for airlines that fly from Ottawa to Portland with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $215Free CancellationRating
7.1
11,458 reviews
Search Air Canada flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Vancouver
Cannon Beach
Salem
Astoria
Long Beach
Beaverton
Rockaway Beach
Hillsboro
Tigard
Depoe Bay
Longview
Hood River
Newberg
Clackamas
Troutdale
Gresham
Kelso
Wilsonville

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to Portland for you.

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

Yes. All flights to Portland from Ottawa on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Ottawa to Portland 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 Ottawa to Portland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ottawa to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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