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Cheap flights from Portland (PWM) to Ontario from $161

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PWM — YYZ
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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How far in advance should I book a flight from Portland, Maine to Region of Ontario?

Find a great deal and save up to 117% by booking at least 28 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Portland, Maine to Region of Ontario within the next two weeks, with the cheapest ticket starting at $328.

What is the cheapest month to fly from Portland, Maine to Region of Ontario?

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, December can be a great choice for travel to Region of Ontario. Flights to Region of Ontario from Portland, Maine in December are about $474 on average during December, but can be found for as low as $337.

When is the cheapest time to fly from Portland, Maine to Region of Ontario (PWM - ON)?

When flying from Portland, Maine to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap United Airlines flights from Portland to Ontario

Explore cheap flight options specifically provided by United Airlines for the route between Portland and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from Portland to Ontario. Be sure to come back soon if the deals available don't appeal to you at this time.
Fri 6/145:30 amPWM - YYZ
1 stop13h 31mUnited Airlines
Sat 6/153:00 pmYYZ - PWM
1 stop6h 06mUnited Airlines
Deal found 5/14$306
Wed 5/295:30 amPWM - YUL
1 stop4h 41mUnited Airlines
Fri 5/313:30 pmYUL - PWM
2 stops8h 28mUnited Airlines
Deal found 5/15$716

Cheap American Airlines flights from Portland to Ontario

Explore cheap flight options specifically provided by American Airlines for the route between Portland and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Have a look at some of the cheapest available American Airlines flights departing from Portland and landing in Ontario. Deals are refreshing constantly so come back soon for more options.
Wed 6/54:49 pmPWM - YYZ
1 stop17h 10mAmerican Airlines
Sun 6/912:39 pmYYZ - PWM
1 stop11h 14mAmerican Airlines
Deal found 5/15$333
Wed 6/54:49 pmPWM - YYZ
1 stop17h 10mAmerican Airlines
Fri 6/73:15 pmYYZ - PWM
2 stops8h 38mAmerican Airlines
Deal found 5/15$343
Wed 6/54:13 pmPWM - YYZ
2 stops6h 56mAmerican Airlines
Sun 6/97:24 pmYYZ - PWM
1 stop15h 41mAmerican Airlines
Deal found 5/15$429
Sat 8/246:00 amPWM - YYZ
2 stops8h 30mAmerican Airlines
Mon 8/2611:09 amYYZ - PWM
1 stop4h 27mAmerican Airlines
Deal found 5/15$489
Wed 6/55:50 amPWM - YYZ
2 stops8h 40mAmerican Airlines
Fri 6/73:15 pmYYZ - PWM
2 stops8h 38mAmerican Airlines
Deal found 5/15$521
Thu 6/274:49 pmPWM - YYZ
1 stop6h 20mAmerican Airlines
Tue 7/23:15 pmYYZ - PWM
2 stops8h 38mAmerican Airlines
Deal found 5/16$533
Sat 6/156:31 amPWM - YYZ
2 stops7h 59mAmerican Airlines
Sat 6/226:54 amYYZ - PWM
1 stop9h 43mAmerican Airlines
Deal found 5/16$560
Sat 6/13:47 pmPWM - YUL
2 stops18h 05mAmerican Airlines
Tue 6/45:29 pmYUL - PWM
1 stop22h 32mAmerican Airlines
Deal found 5/15$565
Mon 5/276:00 amPWM - YYZ
1 stop10h 30mAmerican Airlines
Thu 5/307:00 amYYZ - PWM
2 stops6h 59mAmerican Airlines
Deal found 5/15$574

Cheap Portland to Ontario flights in May & June 2024

Find cheap flight options from Portland to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Check out some of the best flight deals from Portland to Ontario in 2024. For more flight deals, be sure to check back very soon.
Fri 6/145:30 amPWM - YYZ
1 stop13h 31mUnited Airlines
Sat 6/153:00 pmYYZ - PWM
1 stop6h 06mUnited Airlines
Deal found 5/14$306
Wed 6/54:49 pmPWM - YYZ
1 stop17h 10mAmerican Airlines
Sun 6/912:39 pmYYZ - PWM
1 stop11h 14mAmerican Airlines
Deal found 5/15$333
Wed 6/54:49 pmPWM - YYZ
1 stop17h 10mAmerican Airlines
Fri 6/73:15 pmYYZ - PWM
2 stops8h 38mAmerican Airlines
Deal found 5/15$343
Wed 5/292:51 pmPWM - YUL
1 stop8h 00mDelta
Fri 5/316:35 pmYUL - PWM
1 stop5h 22mDelta
Deal found 5/15$355
Thu 6/2711:57 amPWM - YYZ
1 stop6h 36mWestJet
Mon 7/15:58 pmYYZ - PWM
1 stop5h 23mWestJet
Deal found 5/16$374
Sat 6/12:51 pmPWM - YUL
1 stop8h 00mDelta
Sat 6/87:00 amYUL - PWM
1 stop12h 20mDelta
Deal found 5/14$385
Mon 5/275:31 amPWM - YYZ
1 stop4h 43mDelta
Thu 5/304:40 pmYYZ - PWM
1 stop7h 17mDelta
Deal found 5/15$392
Sat 6/15:31 amPWM - YUL
1 stop17h 20mDelta
Wed 6/126:00 amYUL - PWM
2 stops17h 00mDelta
Deal found 5/14$394
Sat 6/1511:57 amPWM - YYZ
1 stop11h 15mWestJet
Sat 6/225:58 pmYYZ - PWM
1 stop5h 23mWestJet
Deal found 5/16$395

Portland to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Portland and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Check out some of the best flight deals from Portland to Ontario in 2024. For more flight deals, be sure to check back very soon.
Fri 6/145:30 amPWM - YYZ
1 stop13h 31mUnited Airlines
Sat 6/153:00 pmYYZ - PWM
1 stop6h 06mUnited Airlines
Deal found 5/14$306
Wed 6/54:49 pmPWM - YYZ
1 stop17h 10mAmerican Airlines
Sun 6/912:39 pmYYZ - PWM
1 stop11h 14mAmerican Airlines
Deal found 5/15$333
Tue 7/236:02 amPWM - YYZ
1 stop11h 57mWestJet
Fri 7/269:45 amYYZ - PWM
1 stop13h 41mWestJet
Deal found 5/15$340
Wed 6/54:49 pmPWM - YYZ
1 stop17h 10mAmerican Airlines
Fri 6/73:15 pmYYZ - PWM
2 stops8h 38mAmerican Airlines
Deal found 5/15$343
Wed 5/292:51 pmPWM - YUL
1 stop8h 00mDelta
Fri 5/316:35 pmYUL - PWM
1 stop5h 22mDelta
Deal found 5/15$355
Thu 6/2711:57 amPWM - YYZ
1 stop6h 36mWestJet
Mon 7/15:58 pmYYZ - PWM
1 stop5h 23mWestJet
Deal found 5/16$374
Sat 6/12:51 pmPWM - YUL
1 stop8h 00mDelta
Sat 6/87:00 amYUL - PWM
1 stop12h 20mDelta
Deal found 5/14$385
Mon 5/275:31 amPWM - YYZ
1 stop4h 43mDelta
Thu 5/304:40 pmYYZ - PWM
1 stop7h 17mDelta
Deal found 5/15$392
Sat 6/15:31 amPWM - YUL
1 stop17h 20mDelta
Wed 6/126:00 amYUL - PWM
2 stops17h 00mDelta
Deal found 5/14$394

One-way flights to Ontario from Portland

Search for one-way flight options from Portland to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Users in need of a one-way flight from Portland to Ontario can choose from these deals. Users needing a return flight from Portland to Ontario should utilize the search form above.
Thu 6/65:00 amPWM - YYZ
1 stop17h 46mWestJet
Deal found 5/15$161
Sun 8/185:30 amPWM - YUL
1 stop6h 05mDelta
Deal found 5/15$221
Sat 7/2711:55 amPWM - YYZ
2 stops17h 50mWestJet
Deal found 5/14$229
Sat 7/2711:55 amPWM - YYZ
1 stop23h 42mWestJet
Deal found 5/14$230
Fri 5/315:30 pmPWM - YUL
2 stops16h 22mAmerican Airlines
Deal found 5/15$233
Fri 5/3111:55 amPWM - YUL
1 stop24h 24mMultiple Airlines
Deal found 5/15$281
Sun 8/186:00 amPWM - YUL
2 stops10h 31mAmerican Airlines
Deal found 5/15$325
Thu 6/66:00 amPWM - YYZ
2 stops11h 19mUnited Airlines
Deal found 5/15$349
Fri 5/3111:42 amPWM - YUL
3 stops27h 09mMultiple Airlines
Deal found 5/15$584

Find flights from Portland to Ontario within your budget

Customize your flight search to find flights from Portland to Ontario 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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$306 - $463

Route

Depart

Return

Price

PortlandToronto Pearson Intl

PWM - YYZ

PWMYYZ

Portland

Fri 6/14

1 stop13h 31m

Toronto Pearson Intl

Sat 6/15

1 stop6h 06m

$306

PortlandToronto Pearson Intl

PWM - YYZ

PWMYYZ

Portland

Wed 6/5

1 stop17h 10m

Toronto Pearson Intl

Sun 6/9

1 stop11h 14m

$333

PortlandToronto Pearson Intl

PWM - YYZ

PWMYYZ

Portland

Tue 7/23

1 stop11h 57m

Toronto Pearson Intl

Fri 7/26

1 stop13h 41m

$340

PortlandToronto Pearson Intl

PWM - YYZ

PWMYYZ

Portland

Wed 6/5

1 stop17h 10m

Toronto Pearson Intl

Fri 6/7

2 stops8h 38m

$343

PortlandMontreal Pierre Elliott Trudeau Intl

PWM - YUL

PWMYUL

Portland

Sat 6/1

1 stop5h 34m

Montreal Pierre Elliott Trudeau Intl

Tue 6/4

1 stop5h 22m

$355

PortlandToronto Pearson Intl

PWM - YYZ

PWMYYZ

Portland

Thu 6/27

1 stop6h 36m

Toronto Pearson Intl

Mon 7/1

1 stop5h 23m

$374

PortlandMontreal Pierre Elliott Trudeau Intl

PWM - YUL

PWMYUL

Portland

Sat 6/1

1 stop8h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 6/8

1 stop12h 20m

$385

PortlandToronto Pearson Intl

PWM - YYZ

PWMYYZ

Portland

Mon 5/27

1 stop4h 43m

Toronto Pearson Intl

Thu 5/30

1 stop7h 17m

$392

PortlandMontreal Pierre Elliott Trudeau Intl

PWM - YUL

PWMYUL

Portland

Mon 6/3

1 stop9h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 6/12

1 stop6h 00m

$463

Flights are sorted by cheapest first

Deals found on 5/14

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated May 16, 2024.
Read reviews from past customers who have flown United Airlines, American Airlines and WestJet from Portland to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,673 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

WestJet
7.5
Good
2,919 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,924 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,514 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

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

  • What airport do you fly from for flights from Portland to Ontario?

    For a flight from Portland to Ontario, you will be flying from Portland. Portland (PWM) is just 2.9 mi from the center of the city.

  • Can I find flights from Portland, Maine to Region of Ontario for under $400 on Cheapflights?

    Yes, there are multiple flights from Portland, Maine to Region of Ontario for under $400. The cheapest flight booked recently is on United Airlines for just $306, but on average you can expect to pay $388.

  • What are the cheapest airlines to fly from Portland, Maine to Region of Ontario one-way?

    One-way options have recently been found by users for as low as $161 on WestJet. Other airlines that offer cheap prices include Delta from $221 and American Airlines from $233 one-way.

  • What does PWM to YYZ mean?

    PWM and YYZ are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. PWM to YYZ refers to a flight route from Portland Airport to Toronto Pearson Intl Airport. Ottawa Airport (YOW), Toronto Island Airport (YTZ), Hamilton Airport (YHM), London Airport (YXU), Toronto Kitchener-Waterloo Airport (YKF) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Portland to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Portland to Ontario that allow pets onboard?

    Many airlines flying from Portland to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to Ontario?

    Yes, you can often find last-minute deals on Portland to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland, Maine to Region of Ontario flight deals updated?

    The Portland, Maine to Region of Ontario flight deals you see on this page were last updated on 5/16.

See more FAQs

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Alternative routes for Portland to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Portland to Ontario

Discover the top 2 airlines that operate flights from Portland to Ontario. 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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$196Average$640FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$344Average$536FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Portland to Ontario by cabin class

Find flights from Portland to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to Ontario?

When you search for this flight from Portland to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Portland to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland to Ontario.

Can Cheapflights find flights from Portland to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Portland to Ontario with no change fees.

Can Cheapflights notify me if prices for flights from Portland to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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