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Find cheap flights from Portland to Ontario from $100

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Ontario departing on 5/29. 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.
1 adult
0 bags
Sat 6/1
Sat 6/8

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Best Ontario Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Toronto
Toronto1 stop$282
Ottawa
Ottawa2 stops$444

Good to know

Low season

February

High season

June

Cheapest flight

$100
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly with an average 4% increase in price.
Flight from Portland to Toronto Pearson Airport

FAQs - booking Ontario flights

  • How does KAYAK find such low prices on flights from Portland to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Portland with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Ontario

  • Morning departure is around 23% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top 5 airlines serving from Portland to Ontario

 
Need help choosing which airline to fly with from Portland to Ontario? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 10861 reviews
7.4Food
8.6Crew
8.2Boarding
7.9Comfort
8.0Entertainment
Airline reviews

Checking in at the airport the agent only booked the first keg of my trip and had my checked luggage going to the airport with a layover! Never was issued a boarding pass for the second leg or received sticker fir my checked bag. All was well in the end! Delta agents helped to resolve the situation!!!

8.0 ExcellentAnonymous, May 2024ATL - ATW
Read more about Delta reviews

Checking in at the airport the agent only booked the first keg of my trip and had my checked luggage going to the airport with a layover! Never was issued a boarding pass for the second leg or received sticker fir my checked bag. All was well in the end! Delta agents helped to resolve the situation!!!

Delayed due to an ill passenger after loading. Not preventable on Delta's part. Was in first class. The seats are becoming worn and detaching from their velcro attachments. Only got snacks on flight. The attendant was not the friendliest.

I would fly again the whole experience was great. The only feed back I can give that they don't do that American Airlines does is the crew there is more humorous with boarding and thank their passengers. It makes it more fun to fly with them. I would however fly Delta again.

Big plane, long flight, absolutely no leg room and basically non existent air! I am 5”4’ and always travel Main Cabin, I was miserable on this plane and could barely move when we arrived in Cabo due to the cramped leg area!

From Atlanta to Cabo I would have hoped on a plane that size I would have been able to breathe and wiggle my feet a little! The leg room in that plane is non existent and I am only 5”4’. And the air vent either wasn’t working very well or just could not blow air from the ceiling to the seat area as I was suffocating through the entire flight! And please don’t say I would have been more comfortable in first class because I cannot afford those rates and have always travelled Main Cabin without issues !

The pilots were good. Disappointing when planes don't have electrical ports

I liked the piloting of the aircraft. Very disappointed about lack of electrical ports. Also, although a short flight. there was enough time to hand out snacks to comfort + seats as was done for first class.

I had a wonderful experience flying with delta. The gentleman taking care of us on our flight was so nice, accommodating, and attentive. He always was smiling and giving pins to the kids which made me smile. The flight was quick too and without turbulence. Thank you for the great flying experience.

Delta is one of the best airlines I have flown

Made the Atlanta to Pittsburgh trip many times, with Delta no issues

Great. Loved that there was WiFi on flight to keep in touch and excellent service of beverages and snacks.

Business class is great. New airplane, very comfortable, better than some of the major airlines I am used to

Terrible. Flight was cancelled due to the weather in the east and sout east(florida). Did not get any compesation of any kind. According to them, it was not under their control so I lost all the money paid for the 2 fairs from Raleigh, NC to Orlando, Fl.

great flight. Pilot was communicative, flight attendants were excellent. Really nice experience except my tv didn’t work.

Overall, the flight was better than the flight I took to go to Florida, which had a bunch of problems. The crew is really nice and the plane was new so it had a small problem when we were on the runway, but the flight itself was great. They even made some time back up, which is always a good thing.

at the time for boarding the lady just call Group A and no other goups and everybody from A to F go inside without the right turn,and when we get in theres no more spsce for carry on , the ones that get in at not correct group from the back occupy our space !!!!! a mess !!!!

There were multiple delays but JetBlue tried to make the boarding and departure process as quick and efficient as possible. The crew was as detached from reality as could be, meaning: not very friendly and just doing things by the numbers.

I had back trouble prior to my flight and everyone was great about helping me.

Jetblue needs to improve on Onboarding as it seems to always be behind on departing. It never leaves on time. I would recommend to have an earlier Onboarding in order to leave on time and respect your customers time as well.

40 minute delay before take off after boarding flight. Bright lights throughout night flight due Issues with light panels. In flight Entertainment nonfunctional

The ride was good but no food ot entertainment hence, it was just over an hour flight.

This was a Lufthansa flight. Disappointing main meal. Very rough over Canada and arrival at FRA. IFE was almost unusable.

Aircraft has better leg room than any of United's larger planes. We had requested mobility assistance for this and related flights. United's response to all was superb.

No snacks served! Seating in the kast row in uncomfortable.

Poor seating comfort, seat cushion too thin, very uncomfortable. My luggage didi not make the flight due to equipment change. At least. United had it delivered the next day. I was without my toilet items for one day.

Flight was fine, it was delayed but only 30 minutes, staff were efficient, lady making announcements at LAX was really hard to understand but the rest were great.

Flight cancelled because of the grounded 737s. United was good about it and got us onto a later Alaska Airlines flight to Oakland (not San Francisco as originally intended). Had to go through security again and my wife dropped her MacBook Pro, which broke, a $2,500 whoopsie. But we made it home.

The male air hostess was rude and didn’t even offer me a drink. Poor customer service!

We left really late. Things that were out if anybody’s control I guess.

When I purchased my ticket, I assumed it was a real ticket, as in, when I go to the airport I am guaranteed a seat. Not so. When I checked in 24 hours ahead of time, I noticed I did not have a seat assignment and my boarding pass said "Standby." I was informed at the gate that the flight was full and I may not get on that plane. I don't recall being offered the option of selecting a seat when I checked in, and apparently, for the honor of pre-selecting a seat, you must pay an additional fee. So, a ticket really isn't a ticket, it's actually a lottery and if you're lucky, you may make it on board - or you can choose to be extorted for extra money for the guarantee of a seat. It's like making reservations with the Godfather - one payment isn't enough, there's always another bribe you have to make. After the first few zones were called and I hadn't been informed of my status, I went to the gate agent and they handed me a boarding pass, for the very last row near the restrooms, in between two very large people. Apparently that was my punishment for not purchasing a seat ahead of time. Airline service has not only gotten more expensive, but the return on your money has shrunk and there is little regard for the passengers. This feels like a racket. I am not pleased, as you may have gathered.

They gave my seat away although it was a connecting flight with them and the flight was a bit delayed.

Flight was cancelled had to move to another gate late again no internet paid for the month and never can use it waste of money

Not being able to purchase my check in baggage online was a negative.

LATE LATE LATE!!! Plagued by late AA flights on this trip. Such a drag. This one was by far the worst.

WiFi connected but only let you go to the AA website, not even text messaging worked.

Too bad that first class seats do not recline significantly causing discomfort

I think the seats on some of their planes are uncomfortable. You can be ok on a short flight of two hours but no more than that. The delays, and also the refreshments on the plane were not enough.

Flight delayed over an over all day until it cancelled at 1:30am. Would not repeatedly delay that late. Offer hotel rooms and rebook early. Very difficult for families with small children

Not sure why JAL partnered with American Airlines because their service is no where near similar. Flight attendants were not friendly and didn’t smile. Food was horrible…

this is starting to seem like an american airlines standard. delayed flights and fake apologies… getting tired of it

You do not have a space for flight cancelled. BUT!!! Air Canada handled it great. Was booked on another airline for the next day. The original flight was booked solid. But he precheck by the maintenance found a mechanical problem and the plane was not safe to fly. It was an inconvenience to have to wait until next day but I would rather arrive safely.

Very good other than we have to wait for one crew and we’re delayed and the pilot and his co- pilot has to make a difference to be right on time arrival. Disappointed about no food service also.

I had written all my complaints on my trip from Grand Junction to Denver so I will repeat it here! I was absolutely appalled that I had to pay for a regular seat that I choose 24 hrs before boarding! Also I checked my large bag which I had to pay for as well, and by the time I boarded all the room in the bins were gone so also had to check that one. I noticed people pulling out oversized suitcases, bigger than the measurements stated for carry on, and also large pack packs stuffed full! So these people were taking up 2 or 3 spaces that the rest of us should have been able to use but couldn’t! NoTV on the flight! Thankfully I had downloaded the United Airlines app and was able to watch movies on my phone. Don’t remember the last time I flew in a plane with no movie screens!

The crew was friendly, the seats are too small. Air travel is barely tolerable anymore.

Food was icecold or frozen including breakfast. Hopeless service. Rude crew.

The flight was very uncomfortable and there was no snacks served for the 13 hours international flight. In addition, the flight was delayed 3 hours

Due to a strike taking place with the airline, it negatively impacted my flight in multiple ways. My flight was delayed over 2 hours and the food served was mediocre at best.

Cabin crew were great. Seats are criminal for tall people

My flight was great! Gate attendants and crew were great… pleasant and in good spirits. Flight delayed several hours and we were well informed of the status while on plane. Thank you!

The fact that I got to Toronto alive and well and safe is a huge plus. I thank the captain and crew for a safe flight The comfort of the aircraft leaves much to be desired. Human beings should not have to be that cramped and squashed on a flight that we pay a lot for and even have to pay for lousy food choices The cabin crew were pleasant and helpful Kudos to them as the flight was packed to capacity and there was a lot of work for them in a short space of time All in all a good experience, but too cramped

Book cheap flights from Portland to Ontario

Recent round-trip flight deals

5/29Wed
1 stop
12h 15mPDX-YYZ
6/5Wed
2 stops
19h 23mYYZ-PDX
$282
9/10Tue
1 stop
11h 13mPDX-YYZ
9/17Tue
1 stop
22h 54mYYZ-PDX
$285
5/20Mon
nonstopAir Canada
4h 40mPDX-YYZ
5/27Mon
nonstopAir Canada
5h 09mYYZ-PDX
$371
5/31Fri
nonstopAir Canada
4h 41mPDX-YYZ
6/3Mon
nonstopAir Canada
5h 09mYYZ-PDX
$374
5/24Fri
1 stopUnited Airlines
17h 28mPDX-YYZ
5/28Tue
1 stopUnited Airlines
15h 38mYYZ-PDX
$396
7/7Sun
1 stopDelta
12h 39mPDX-YYZ
7/11Thu
1 stopDelta
10h 50mYYZ-PDX
$399
5/28Tue
1 stopUnited Airlines
6h 43mPDX-YYZ
6/5Wed
2 stopsUnited Airlines
14h 41mYYZ-PDX
$408
8/19Mon
1 stopAmerican Airlines
8h 35mPDX-YYZ
8/27Tue
1 stopAmerican Airlines
16h 59mYYZ-PDX
$409
5/21Tue
1 stopAmerican Airlines
11h 35mPDX-YYZ
5/24Fri
1 stopAmerican Airlines
7h 34mYYZ-PDX
$426
5/13Mon
1 stopDelta
7h 59mPDX-YYZ
5/15Wed
1 stopDelta
7h 15mYYZ-PDX
$453

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Recent one-way flight deals

5/29Wed
1 stop
15h 42mPDX-YYZ
$100
5/30Thu
1 stop
22h 15mPDX-YYZ
$110
7/3Wed
nonstopAir Canada
4h 30mPDX-YYZ
$163
5/20Mon
1 stopAir Canada
7h 31mPDX-YYZ
$169
7/6Sat
1 stopDelta
8h 09mPDX-YYZ
$172
5/7Tue
1 stopDelta
7h 59mPDX-YYZ
$185
5/8Wed
2 stopsAmerican Airlines
12h 22mPDX-YYZ
$190
8/26Mon
1 stopAmerican Airlines
8h 35mPDX-YYZ
$245
5/14Tue
2 stopsUnited Airlines
18h 36mPDX-YOW
$260
6/25Tue
1 stopUnited Airlines
6h 43mPDX-YYZ
$287

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Last minute flights from Portland to Ontario

Last minute flight, train and bus deals

5/7Tue
multi-stopDelta
7h 59mPDX-YYZ
5/11Sat
multi-stopDelta
7h 17mYYZ-PDX
$454
5/3Fri
multi-stop
9h 01mPDX-YYZ
5/5Sun
multi-stop
17h 44mYYZ-PDX
$665
5/3Fri
multi-stop
9h 01mPDX-YYZ
5/5Sun
multi-stop
21h 06mYYZ-PDX
$733
5/3Fri
nonstopAir Canada
4h 40mPDX-YYZ
5/5Sun
nonstopAir Canada
5h 09mYYZ-PDX
$748
5/3Fri
multi-stopDelta
7h 46mPDX-YYZ
5/5Sun
multi-stopDelta
9h 03mYYZ-PDX
$753
5/3Fri
multi-stopAmerican Airlines
10h 20mPDX-YYZ
5/5Sun
multi-stopAmerican Airlines
17h 42mYYZ-PDX
$779
5/3Fri
multi-stopAmerican Airlines
10h 55mPDX-YYZ
5/5Sun
multi-stopAmerican Airlines
12h 36mYYZ-PDX
$786
5/3Fri
multi-stopAir Canada
14h 16mPDX-YOW
5/8Wed
multi-stopAir Canada
10h 25mYOW-PDX
$874
5/3Fri
multi-stopUnited Airlines
7h 06mPDX-YOW
5/8Wed
multi-stopUnited Airlines
11h 17mYOW-PDX
$879
5/3Fri
multi-stopUnited Airlines
17h 45mPDX-YOW
5/8Wed
multi-stopUnited Airlines
11h 47mYOW-PDX
$911

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Portland - Ontario Flights

Departure:

Portland (PDX)United States

Return flight deals:

Ontario - Portland

Cabin classes:

$2,604
$2,276
$152