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Portland

$194+ Cheap flights from Ottawa (YOW) to Portland, ME (PWM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — PWM
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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1. Tell us where you want to go

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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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$194
(Vakatrip)

Popular in

January

Cheapest in

December

Average price

$615
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
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($115 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Ottawa to Portland

Cheapest flights from Ottawa to Portland
Explore the most affordable flight options available from Ottawa to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Vakatrip deal was found by Cheapflights users on 4/29. 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 Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:05 amYOW - PWM
1 stop7h 51mAir Canada
Tue 5/133:43 pmPWM - YOW
1 stop6h 22mAir Canada
Deal found 4/29$194
This Vakatrip deal was found by Cheapflights users on 4/29. 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 Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/95:55 amYOW - PWM
2 stops10h 08mWestJet
Tue 5/131:40 pmPWM - YOW
2 stops10h 42mWestJet
Deal found 4/29$217
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/145:55 amYOW - PWM
2 stops30h 02mMultiple Airlines
Sat 5/314:57 pmPWM - YOW
1 stop24h 09mMultiple Airlines
Deal found 4/29$592

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 April 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

Fri 5/9

6:05 am-1:56 pm

1 stop7h 51m

Portland

Tue 5/13

3:43 pm-10:05 pm

1 stop6h 22m

$194

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Fri 5/9

5:55 am-4:03 pm

2 stops10h 08m

Portland

Tue 5/13

1:40 pm-12:22 am

2 stops10h 42m

$217

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Wed 5/14

5:55 am-11:57 am

2 stops30h 02m

Portland

Sat 5/31

4:57 pm-5:06 pm

1 stop24h 09m

$592

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Wed 5/28

3:17 pm-11:27 pm

1 stop8h 10m

$293

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Wed 5/28

5:15 am-1:20 pm

2 stops8h 05m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Portland, Maine flight deals on Cheapflights vs. FlightHub >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, January is the cheapest month in which you can book a flight from Ottawa to Portland, Maine (average of $296). Flying from Ottawa to Portland, Maine in May is currently the most expensive (average of $405). 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 April 30, 2025.

It’s optimal to fly from Ottawa to Portland, Maine in the morning. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated April 30, 2025.
WestJet
7.2
Good
2,826 reviews

Food

6.2

Comfort

7.1

Boarding

7.4

Entertainment

6.1

Overall

7.2

Crew

7.9

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
2,826 reviews
WestJet
7.2
Good
2,826 reviews

Food

6.2

Comfort

7.1

Boarding

7.4

Entertainment

6.1

Overall

7.2

Crew

7.9

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
Air Canada
7.0
Good
9,244 reviews
WestJet
7.2
Good
2,826 reviews

Food

6.2

Comfort

7.1

Boarding

7.4

Entertainment

6.1

Overall

7.2

Crew

7.9

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

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.

  • What are the cheapest airlines flying from Ottawa to Portland, Maine round-trip?

    Cheapflights users have booked flights from Ottawa to Portland, Maine round-trip from $194. Another airline that can offer you cheap pricing is WestJet. Users have found that Air Canada is 69% cheaper than the other options available to this destination.

  • 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, January is the cheapest month in which you can book a flight from Ottawa to Portland, Maine (average of $296). Flying from Ottawa to Portland, Maine in May is currently the most expensive (average of $405). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
North Conway
Bath
Brunswick
Auburn
Conway
Lewiston

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Top airline flying from Ottawa to Portland

Discover the top airline that operate flights from Ottawa to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$395Average$617FlexibilityNo cancel feeOn-time69%

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