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Cheap flights from Ottawa to Portland from $256

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 7/22. 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

Find the cheapest flights from Ottawa to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 7:17 pm
YOW
-
PWM
13h 17m
1 stop
United Airlines Logo
7:35 pm - 11:54 pm
PWM
-
YOW
4h 19m
1 stop
$464United Airlines
Sat, Aug 29 - Wed, Sep 2
United Airlines Logo
12:00 pm - 9:23 pm
YOW
-
PWM
9h 23m
2 stops
United Airlines Logo
6:03 am - 1:59 pm
PWM
-
YOW
7h 56m
1 stop
$472United Airlines
Sat, Aug 29 - Wed, Sep 2
United Airlines Logo
4:00 pm - 9:08 am
YOW
-
PWM
17h 08m
2 stops
United Airlines Logo
6:03 am - 5:10 pm
PWM
-
YOW
11h 07m
2 stops
$480United Airlines
Sat, Aug 29 - Wed, Sep 2
Air Canada Logo
5:57 pm - 11:32 pm
YOW
-
PWM
5h 35m
1 stop
Air Canada Logo
3:47 pm - 10:35 pm
PWM
-
YOW
6h 48m
1 stop
$489Air Canada
Fri, Aug 14 - Tue, Aug 18
United Airlines Logo
6:25 am - 2:34 pm
YOW
-
PWM
8h 09m
1 stop
United Airlines Logo
6:03 am - 9:35 pm
PWM
-
YOW
15h 32m
1 stop
$502United Airlines
Sat, Aug 29 - Wed, Sep 2
United Airlines Logo
6:00 am - 4:09 pm
YOW
-
PWM
10h 09m
1 stop
United Airlines Logo
9:10 am - 1:26 pm
PWM
-
YOW
4h 16m
1 stop
$503United Airlines
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
5:50 pm - 11:30 pm
YOW
-
PWM
5h 40m
1 stop
United Airlines Logo
3:16 pm - 10:05 pm
PWM
-
YOW
6h 49m
1 stop
$541United Airlines
Fri, Jul 3 - Thu, Jul 9
United Airlines Logo
6:00 am - 9:23 pm
YOW
-
PWM
15h 23m
3 stops
United Airlines Logo
7:35 pm - 11:54 pm
PWM
-
YOW
4h 19m
1 stop
$544United Airlines
Sat, Aug 29 - Wed, Sep 2
United Airlines Logo
5:50 pm - 11:30 pm
YOW
-
PWM
5h 40m
1 stop
United Airlines Logo
2:20 pm - 6:48 pm
PWM
-
YOW
4h 28m
1 stop
$550United Airlines
Sat, Jun 27 - Fri, Jul 3
Air Canada Logo
8:50 am - 6:13 pm
YOW
-
PWM
9h 23m
2 stops
Air Canada Logo
3:15 pm - 9:56 pm
PWM
-
YOW
6h 41m
1 stop
$566Air Canada
Sat, Oct 31 - Wed, Nov 4

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Air Canada flights from Ottawa to Portland, Maine

Our best Air Canada deals on Ottawa to Portland, Maine flight tickets
Air Canada
Aug 14
YOW5:57 pmOttawa
5h 35m
1 stop
PWM11:32 pmPortland
Aug 18
PWM3:47 pmPortland
6h 48m
1 stop
YOW10:35 pmOttawa
$489
Air Canada
Oct 31
YOW8:50 amOttawa
9h 23m
2 stops
PWM6:13 pmPortland
Nov 4
PWM3:15 pmPortland
6h 41m
1 stop
YOW9:56 pmOttawa
$566
Air Canada
Oct 31
YOW2:55 pmOttawa
8h 02m
2 stops
PWM10:57 pmPortland
Nov 4
PWM9:10 amPortland
7h 05m
1 stop
YOW4:15 pmOttawa
$567

United Airlines flights from Ottawa to Portland, Maine

Our best United Airlines deals on Ottawa to Portland, Maine flight tickets
United Airlines
Aug 29
YOW6:00 amOttawa
13h 17m
1 stop
PWM7:17 pmPortland
Sep 2
PWM7:35 pmPortland
4h 19m
1 stop
YOW11:54 pmOttawa
$464
United Airlines
Aug 29
YOW12:00 pmOttawa
9h 23m
2 stops
PWM9:23 pmPortland
Sep 2
PWM6:03 amPortland
7h 56m
1 stop
YOW1:59 pmOttawa
$472
United Airlines
Aug 29
YOW4:00 pmOttawa
17h 08m
2 stops
PWM9:08 amPortland
Sep 2
PWM6:03 amPortland
11h 07m
2 stops
YOW5:10 pmOttawa
$480

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 June 9, 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

Sat 8/29

6:00 am-7:17 pm

1 stop13h 17m

Portland

Wed 9/2

7:35 pm-11:54 pm

1 stop4h 19m

$464

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Sat 8/29

12:00 pm-9:23 pm

2 stops9h 23m

Portland

Wed 9/2

6:03 am-1:59 pm

1 stop7h 56m

$472

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Sat 8/29

4:00 pm-9:08 am

2 stops17h 08m

Portland

Wed 9/2

6:03 am-5:10 pm

2 stops11h 07m

$480

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Fri 8/14

5:57 pm-11:32 pm

1 stop5h 35m

Portland

Tue 8/18

3:47 pm-10:35 pm

1 stop6h 48m

$489

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Sat 8/29

6:25 am-2:34 pm

1 stop8h 09m

Portland

Wed 9/2

6:03 am-9:35 pm

1 stop15h 32m

$502

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Sat 10/31

6:00 am-4:09 pm

1 stop10h 09m

Portland

Wed 11/4

9:10 am-1:26 pm

1 stop4h 16m

$503

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Fri 7/3

5:50 pm-11:30 pm

1 stop5h 40m

Portland

Thu 7/9

3:16 pm-10:05 pm

1 stop6h 49m

$541

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Sat 8/29

6:00 am-9:23 pm

3 stops15h 23m

Portland

Wed 9/2

7:35 pm-11:54 pm

1 stop4h 19m

$544
Quickest round-trip

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Sat 6/27

5:50 pm-11:30 pm

1 stop5h 40m

Portland

Fri 7/3

2:20 pm-6:48 pm

1 stop4h 28m

$550

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Sat 10/31

8:50 am-6:13 pm

2 stops9h 23m

Portland

Wed 11/4

3:15 pm-9:56 pm

1 stop6h 41m

$566

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

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Ottawa is in December. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of December, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $0.

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

5h 40m

Direct flights

None
The fastest flight from Ottawa to Portland, Maine takes 5h 40m
There are no direct flights from Ottawa to Portland, Maine. There are no popular flight routes from Ottawa to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Ottawa to Portland, Maine

  • 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 5h 40m.

  • 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
Lewiston
Freeport
Conway
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
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.

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