Cheap flights from Ottawa to Portland from $223

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 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

WestJet Logo
7:50 am - 1:05 pmYOW-PDX
8h 15m1 stop
WestJet Logo
1:45 pm - 12:40 amPDX-YOW
7h 55m1 stop
$293WestJet
Find Deal
Thu, Oct 2 - Sat, Oct 4
WestJet Logo
5:55 am - 1:05 pmYOW-PDX
10h 10m2 stops
WestJet Logo
1:45 pm - 12:40 amPDX-YOW
7h 55m1 stop
$393WestJet
Find Deal
Thu, Oct 2 - Sat, Oct 4
Air Canada Logo
6:00 pm - 11:01 pmYOW-PDX
8h 01m1 stop
Air Canada Logo
7:40 pm - 8:23 amPDX-YOW
9h 43m1 stop
$402Air Canada
Find Deal
Wed, Oct 15 - Sun, Oct 19
United Airlines Logo
6:33 am - 8:20 pmYOW-PDX
16h 47m2 stops
United Airlines Logo
6:25 pm - 9:11 amPDX-YOW
11h 46m2 stops
$407United Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 19
WestJet Logo
5:55 am - 1:05 pmYOW-PDX
10h 10m2 stops
WestJet Logo
1:45 pm - 4:19 pmPDX-YOW
23h 34m2 stops
$413WestJet
Find Deal
Thu, Oct 2 - Sat, Oct 4
Air Canada Logo
9:55 pm - 9:21 amYOW-PDX
14h 26m1 stop
Air Canada Logo
6:15 am - 4:12 pmPDX-YOW
6h 57m1 stop
$417Air Canada
Find Deal
Sun, Sep 28 - Wed, Oct 8
United Airlines Logo
5:15 am - 8:20 pmYOW-PDX
18h 05m3 stops
United Airlines Logo
6:25 pm - 9:58 amPDX-YOW
12h 33m2 stops
$467United Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 19
 Logo
5:55 am - 1:05 pmYOW-PDX
10h 10m2 stops
 Logo
1:45 pm - 2:44 pmPDX-YOW
21h 59m3 stops
Thu, Oct 2 - Sat, Oct 4
 Logo
6:00 am - 11:11 amYOW-PDX
32h 11m2 stops
 Logo
11:07 am - 2:44 pmPDX-YOW
24h 37m1 stop
Sun, Sep 28 - Wed, Oct 8
 Logo
6:00 am - 2:48 pmYOW-PDX
11h 48m2 stops
 Logo
11:07 am - 2:44 pmPDX-YOW
24h 37m1 stop
Thu, Oct 9 - Mon, Oct 13

Air Canada flights from Ottawa to Portland

Our best Air Canada deals on Ottawa to Portland flight tickets
Air Canada
Oct 15
YOW6:00 pmOttawa
8h 01m
1 stop
PDX11:01 pmPortland
Oct 19
PDX7:40 pmPortland
9h 43m
1 stop
YOW8:23 amOttawa
Air Canada
Sep 28
YOW9:55 pmOttawa
14h 26m
1 stop
PDX9:21 amPortland
Oct 8
PDX6:15 amPortland
6h 57m
1 stop
YOW4:12 pmOttawa
Air Canada
Sep 3
YOW9:35 amOttawa
8h 11m
1 stop
PDX2:46 pmPortland
Sep 11
PDX10:00 amPortland
7h 53m
1 stop
YOW8:53 pmOttawa

United Airlines flights from Ottawa to Portland

Our best United Airlines deals on Ottawa to Portland flight tickets
United Airlines
Oct 15
YOW6:33 amOttawa
16h 47m
2 stops
PDX8:20 pmPortland
Oct 19
PDX6:25 pmPortland
11h 46m
2 stops
YOW9:11 amOttawa
United Airlines
Oct 15
YOW5:15 amOttawa
18h 05m
3 stops
PDX8:20 pmPortland
Oct 19
PDX6:25 pmPortland
12h 33m
2 stops
YOW9:58 amOttawa
United Airlines
Sep 28
YOW5:15 amOttawa
16h 16m
2 stops
PDX6:31 pmPortland
Oct 8
PDX5:00 amPortland
13h 35m
2 stops
YOW9:35 pmOttawa

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 28, 2025.
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

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Thu 10/2

7:50 am-1:05 pm

1 stop8h 15m

Portland

Sat 10/4

1:45 pm-12:40 am

1 stop7h 55m

$293

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Thu 10/2

5:55 am-1:05 pm

2 stops10h 10m

Portland

Sat 10/4

1:45 pm-12:40 am

1 stop7h 55m

$393

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Wed 10/15

6:00 pm-11:01 pm

1 stop8h 01m

Portland

Sun 10/19

7:40 pm-8:23 am

1 stop9h 43m

$402

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Wed 10/15

6:33 am-8:20 pm

2 stops16h 47m

Portland

Sun 10/19

6:25 pm-9:11 am

2 stops11h 46m

$407

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Thu 10/2

5:55 am-1:05 pm

2 stops10h 10m

Portland

Sat 10/4

1:45 pm-4:19 pm

2 stops23h 34m

$413

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Sun 9/28

9:55 pm-9:21 am

1 stop14h 26m

Portland

Wed 10/8

6:15 am-4:12 pm

1 stop6h 57m

$417

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Wed 10/15

5:15 am-8:20 pm

3 stops18h 05m

Portland

Sun 10/19

6:25 pm-9:58 am

2 stops12h 33m

$467

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Thu 10/2

5:55 am-1:05 pm

2 stops10h 10m

Portland

Sat 10/4

1:45 pm-2:44 pm

3 stops21h 59m

$468

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Sun 9/28

6:00 am-11:11 am

2 stops32h 11m

Portland

Wed 10/8

11:07 am-2:44 pm

1 stop24h 37m

$477

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Thu 10/9

6:00 am-2:48 pm

2 stops11h 48m

Portland

Mon 10/13

11:07 am-2:44 pm

1 stop24h 37m

$493

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Portland from

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 cheapest month to fly to Portland?

The cheapest month to fly to Portland from Ottawa is in September. Flight prices, which tend to average around $339, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until July to fly from Ottawa, when ticket prices are also cheap, with an average price of $345.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Friday when prices can be found for as low as $321. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Monday, with ticket prices averaging around $560.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $285. In the morning is when there is more demand to fly to Portland, so prices are often more expensive at around $540 per ticket.

How far in advance should I book a flight to Portland?

You are more likely to see cheaper flights to Portland from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $446 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Ottawa for as low as $259 on momondo.

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

Direct flights

None
There are no direct flights from Ottawa to Portland. There are no popular flight routes 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 8h 01m, 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 $274Free CancellationRating
7.1
10,000 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
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Gresham
McMinnville
Longview
Tigard
The Dalles
Pacific City
Manzanita
Tillamook

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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1 adult
Tue 9/2
Tue 9/9

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