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Portland

$176+ Cheap flights from Ottawa (YOW) to Portland, ME (PWM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — PWM
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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1. Tell us where you want to go

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Find flight deals from Ottawa to Portland

Best flights from Ottawa to Portland
Discover carefully curated flight deals from Ottawa to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:52 amYOW - PWM
1 stop7h 00mUnited Airlines
Thu 4/911:17 amPWM - YOW
1 stop4h 58mUnited Airlines
Deal found 10/28$301
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/51:30 pmYOW - PWM
1 stop4h 50mAir Canada
Thu 4/96:00 amPWM - YOW
2 stops10h 16mAir Canada
Deal found 10/28$354

Cheap flight deals from Ottawa to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$301
(United Airlines)

One-way from

$176
(United Airlines)

Popular in

January

Cheapest in

December

Average price

$765
Provider with most accurate pricing for Ottawa-Portland flight deals.
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Provider most trusted by Cheapflights users for Ottawa-Portland flights.
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From Ottawa to Portland
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One-way flight from Ottawa to Portland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Ottawa to Portland that are best for you.

Fly from

Ottawa

Fly to

Portland

Route

Depart

Return

Price

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Sun 4/5

6:52 am-1:52 pm

1 stop7h 00m

Portland

Thu 4/9

11:17 am-4:15 pm

1 stop4h 58m

$301

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Sun 4/5

1:30 pm-6:20 pm

1 stop4h 50m

Portland

Thu 4/9

6:00 am-4:16 pm

2 stops10h 16m

$354

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Fri 1/2

5:59 pm-11:22 pm

1 stop5h 23m

$176

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Fri 1/2

9:15 am-5:38 pm

2 stops32h 23m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Compare providers for flights from Ottawa to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ottawa to Portland in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ottawa-Portland, Maine flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ottawa-Portland, Maine flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ottawa-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-Portland, Maine flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-Portland, Maine flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ottawa to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Portland

What is the cheapest month to book a flight from Ottawa to Portland, Maine?

Currently, April is the cheapest month in which you can book a flight from Ottawa to Portland, Maine (average of $169). Flying from Ottawa to Portland, Maine in July is currently the most expensive (average of $259). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YOW to PWM?

Find hourly flight availability from Ottawa to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Ottawa to Portland, Maine in the evening. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ottawa to Portland, Maine?

    There are many flights that can get you from Ottawa to Portland, Maine in 4h 50m. Fly via United Airlines or Air Canada to get the fastest option. Ottawa and Portland, Maine are separated by a distance of 288 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Ottawa to Portland that include hotel bookings?

    Yes. In addition to deals on Ottawa to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Portland.

  • Can I find deals for business class flights from Ottawa to Portland?

    Yes. Cheapflights offers flight deals from Ottawa to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to Portland, Maine?

    Currently, April is the cheapest month in which you can book a flight from Ottawa to Portland, Maine (average of $169). Flying from Ottawa to Portland, Maine in July is currently the most expensive (average of $259). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Brunswick
Auburn
Conway

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