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Cheap flights from Ottawa to Portland from $202

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 4/27. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:44 am - 5:32 pm
YOW
-
PWM
6h 48m
1 stop
United Airlines Logo
6:04 am - 1:53 pm
PWM
-
YOW
7h 49m
1 stop
$330United Airlines
Wed, Apr 1 - Thu, Apr 2
United Airlines Logo
7:30 pm - 11:51 pm
YOW
-
PWM
4h 21m
1 stop
United Airlines Logo
7:16 pm - 11:54 pm
PWM
-
YOW
4h 38m
1 stop
$338United Airlines
Tue, Jun 2 - Sat, Jun 6
United Airlines Logo
2:52 pm - 11:51 pm
YOW
-
PWM
8h 59m
1 stop
United Airlines Logo
5:15 am - 10:03 am
PWM
-
YOW
4h 48m
1 stop
$344United Airlines
Tue, Jun 2 - Sat, Jun 6
United Airlines Logo
7:30 pm - 11:51 pm
YOW
-
PWM
4h 21m
1 stop
United Airlines Logo
5:15 am - 6:48 pm
PWM
-
YOW
13h 33m
1 stop
$345United Airlines
Tue, Jun 2 - Sat, Jun 6
United Airlines Logo
2:52 pm - 11:51 pm
YOW
-
PWM
8h 59m
1 stop
United Airlines Logo
7:16 pm - 11:54 pm
PWM
-
YOW
4h 38m
1 stop
$390United Airlines
Tue, Jun 2 - Sat, Jun 6
Air Canada Logo
5:50 pm - 11:28 pm
YOW
-
PWM
5h 38m
1 stop
Air Canada Logo
6:00 am - 6:36 pm
PWM
-
YOW
12h 36m
2 stops
$393Air Canada
Wed, Apr 1 - Thu, Apr 2
United Airlines Logo
12:00 pm - 7:27 pm
YOW
-
PWM
7h 27m
2 stops
United Airlines Logo
7:16 pm - 11:54 pm
PWM
-
YOW
4h 38m
1 stop
$400United Airlines
Tue, Jun 2 - Sat, Jun 6
United Airlines Logo
12:00 pm - 7:27 pm
YOW
-
PWM
7h 27m
2 stops
United Airlines Logo
7:16 pm - 11:54 pm
PWM
-
YOW
4h 38m
1 stop
$407United Airlines
Tue, Jun 2 - Sat, Jun 6
United Airlines Logo
2:00 pm - 11:30 pm
YOW
-
PWM
9h 30m
2 stops
United Airlines Logo
6:00 am - 3:11 pm
PWM
-
YOW
9h 11m
2 stops
$409United Airlines
Tue, Jun 2 - Sat, Jun 6
United Airlines Logo
6:25 am - 9:40 pm
YOW
-
PWM
15h 15m
1 stop
United Airlines Logo
2:08 pm - 11:54 pm
PWM
-
YOW
9h 46m
1 stop
$411United Airlines
Mon, Apr 27 - Fri, May 1

United Airlines flights from Ottawa to Portland, Maine

Our best United Airlines deals on Ottawa to Portland, Maine flight tickets
United Airlines
Apr 1
YOW10:44 amOttawa
6h 48m
1 stop
PWM5:32 pmPortland
Apr 2
PWM6:04 amPortland
7h 49m
1 stop
YOW1:53 pmOttawa
$330
United Airlines
Jun 2
YOW7:30 pmOttawa
4h 21m
1 stop
PWM11:51 pmPortland
Jun 6
PWM7:16 pmPortland
4h 38m
1 stop
YOW11:54 pmOttawa
$338
United Airlines
Jun 2
YOW2:52 pmOttawa
8h 59m
1 stop
PWM11:51 pmPortland
Jun 6
PWM5:15 amPortland
4h 48m
1 stop
YOW10:03 amOttawa
$344

American Airlines flights from Ottawa to Portland, Maine

Our best American Airlines deals on Ottawa to Portland, Maine flight tickets
American Airlines
Apr 27
YOW6:45 amOttawa
27h 09m
3 stops
PWM9:54 amPortland
May 1
PWM6:00 amPortland
8h 55m
2 stops
YOW2:55 pmOttawa
$704
American Airlines
Apr 26
YOW6:45 amOttawa
27h 09m
3 stops
PWM9:54 amPortland
May 1
PWM6:00 amPortland
8h 55m
2 stops
YOW2:55 pmOttawa
$742
American Airlines
Mar 27
YOW6:45 amOttawa
17h 10m
2 stops
PWM11:55 pmPortland
Mar 29
PWM5:42 amPortland
36h 41m
3 stops
YOW6:23 pmOttawa
$790

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Portland, Maine 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 13, 2026.
Use the filters below to find and compare flights from Ottawa to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Wed 4/1

10:44 am-5:32 pm

1 stop6h 48m

Portland

Thu 4/2

6:04 am-1:53 pm

1 stop7h 49m

$330
Quickest round-trip

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Tue 6/2

7:30 pm-11:51 pm

1 stop4h 21m

Portland

Sat 6/6

7:16 pm-11:54 pm

1 stop4h 38m

$338

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Tue 6/2

2:52 pm-11:51 pm

1 stop8h 59m

Portland

Sat 6/6

5:15 am-10:03 am

1 stop4h 48m

$344

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Tue 6/2

7:30 pm-11:51 pm

1 stop4h 21m

Portland

Sat 6/6

5:15 am-6:48 pm

1 stop13h 33m

$345

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Tue 6/2

2:52 pm-11:51 pm

1 stop8h 59m

Portland

Sat 6/6

7:16 pm-11:54 pm

1 stop4h 38m

$390

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Wed 4/1

5:50 pm-11:28 pm

1 stop5h 38m

Portland

Thu 4/2

6:00 am-6:36 pm

2 stops12h 36m

$393

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Tue 6/2

12:00 pm-7:27 pm

2 stops7h 27m

Portland

Sat 6/6

7:16 pm-11:54 pm

1 stop4h 38m

$400

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Tue 6/2

12:00 pm-7:27 pm

2 stops7h 27m

Portland

Sat 6/6

7:16 pm-11:54 pm

1 stop4h 38m

$407

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Tue 6/2

2:00 pm-11:30 pm

2 stops9h 30m

Portland

Sat 6/6

6:00 am-3:11 pm

2 stops9h 11m

$409

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Mon 4/27

6:25 am-9:40 pm

1 stop15h 15m

Portland

Fri 5/1

2:08 pm-11:54 pm

1 stop9h 46m

$411

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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, Maine

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 airline that flies from Ottawa to Portland?

United Airlines is the most popular carrier operating from Ottawa to Portland

What airlines fly to Portland, Maine?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Portland, Maine from Ottawa according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 3 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

When to book flights from Ottawa to Portland, Maine

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

Cheap Ottawa to Portland, Maine (YOW to PWM) flight deals and tips

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

Fastest flight time

7h 03m

Direct flights

None
The fastest flight from Ottawa to Portland, Maine takes 7h 03m
There are no direct flights from Ottawa to Portland, Maine. There are no popular flight routes from Ottawa to Portland, Maine.
Search flight deals

  • How far is Ottawa to Portland by plane?

    A flight from Ottawa to Portland will travel around 293.8 mi. In terms of flight time, this usually takes a little over 7h 03m.

  • 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 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.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Oxford
Bath
Georgetown
Falmouth
Tamworth

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?

All flight searches from Ottawa to Portland on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portland from Ottawa.

I’m not ready to book a flight from Ottawa to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ottawa to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

An easier way to manage your Portland, Maine trip

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