C$ 118 Find Cheap Flights from Boston to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Ontario departing on 2/6. 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.
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KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Ontario, as well as popular online travel agencies
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Flights Deals

Best Ontario Flight Deals from Boston

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

Toronto
TorontodirectC$ 305
Ottawa
Ottawa1 stopC$ 399
Thunder Bay
Thunder Bay1 stopC$ 597
Windsor
Windsor1 stopC$ 639
Toronto
TorontodirectC$ 305
Ottawa
Ottawa1 stopC$ 399
Thunder Bay
Thunder Bay1 stopC$ 597
Windsor
Windsor1 stopC$ 639

Cheap Flight Deals from Boston to Ontario (BOS-CAON)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Boston to Ontario

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Boston to Ontario.
Discover the best prices for you by selecting your travel dates on KAYAK.
Porter Airlines Logo
6:55 p.m. - 8:44 p.m.BOS-YTZ
1h 49mdirect
Porter Airlines Logo
1:25 p.m. - 3:06 p.m.YTZ-BOS
1h 41mdirect
C$ 305Porter Airlines
Find Deal
Thu, 14 Aug - Thu, 21 Aug
Porter Airlines Logo
8:45 a.m. - 1:37 p.m.BOS-YTZ
4h 52m1 stop
Porter Airlines Logo
12:00 p.m. - 6:08 p.m.YTZ-BOS
6h 08m1 stop
C$ 310Porter Airlines
Find Deal
Thu, 31 Jul - Mon, 4 Aug
 Logo
10:04 a.m. - 12:30 p.m.BOS-YYZ
26h 26m2 stops
 Logo
6:30 a.m. - 11:29 p.m.YYZ-BOS
16h 59m1 stop
C$ 314
Find Deal
Wed, 4 Jun - Sat, 7 Jun
 Logo
3:49 p.m. - 2:05 p.m.BOS-YYZ
22h 16m1 stop
 Logo
6:30 a.m. - 3:44 p.m.YYZ-BOS
9h 14m1 stop
C$ 336
Find Deal
Wed, 4 Jun - Sat, 7 Jun
Air Canada Logo
5:50 a.m. - 10:39 a.m.BOS-YYZ
4h 49m1 stop
Air Canada Logo
8:55 p.m. - 10:38 p.m.YYZ-BOS
1h 43mdirect
C$ 364Air Canada
Find Deal
Thu, 15 May - Sun, 18 May
Air Canada Logo
12:15 p.m. - 2:09 p.m.BOS-YYZ
1h 54mdirect
Air Canada Logo
2:05 p.m. - 3:48 p.m.YYZ-BOS
1h 43mdirect
C$ 374Air Canada
Find Deal
Thu, 15 May - Sun, 18 May
United Airlines Logo
6:00 a.m. - 11:44 a.m.BOS-YYZ
5h 44m1 stop
United Airlines Logo
2:05 p.m. - 3:48 p.m.YYZ-BOS
1h 43mdirect
C$ 426United Airlines
Find Deal
Tue, 27 May - Tue, 27 May
Air Transat Logo
11:10 a.m. - 12:59 p.m.BOS-YTZ
1h 49mdirect
Air Transat Logo
5:55 p.m. - 7:36 p.m.YTZ-BOS
1h 41mdirect
C$ 439Air Transat
Find Deal
Thu, 14 Aug - Sat, 16 Aug
United Airlines Logo
6:00 a.m. - 7:54 a.m.BOS-YYZ
1h 54mdirect
United Airlines Logo
2:05 p.m. - 3:48 p.m.YYZ-BOS
1h 43mdirect
C$ 446United Airlines
Find Deal
Wed, 14 May - Sun, 18 May
Air Transat Logo
9:45 a.m. - 11:34 a.m.BOS-YTZ
1h 49mdirect
Air Transat Logo
9:50 a.m. - 11:31 a.m.YTZ-BOS
1h 41mdirect
C$ 478Air Transat
Find Deal
Tue, 13 May - Sat, 24 May
Useful Info

KAYAK's insights & trends for Boston to Ontario flights

Get data-powered insights and trends into flights from Boston to Ontario to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Boston to Ontario flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from Boston to Ontario.

The cheapest ticket to Ontario from Boston found in the last 72 hours was to Toronto, at C$ 151 round-trip. The most popular route is from Boston (BOS) to Toronto Island Airport (YTZ), and the cheapest round-trip airline ticket found on this route in the last 72 hours was C$ 318.

Can I save money by flying with a layover from Boston to Ontario?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at C$ 434 on average.

What is the cheapest month to fly from Boston to Ontario?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Ontario, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to Ontario is March, when tickets cost C$ 394 (return) on average. On the other hand, the most expensive months are November and December, when the average cost of round-trip tickets is C$ 556 and C$ 501 respectively.

What’s the cheapest day of the week to fly from Boston to Ontario?

The average price of all round-trip flights from Boston to Ontario clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Boston to Ontario, look for departures on Saturdays and avoid leaving on a Monday, as it's usually the priciest day. When flying back from Ontario, Friday is the cheapest day to fly and Monday is the most expensive.

How far in advance should I book a flight from Boston to Ontario?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to Ontario, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on the flight from Boston to Ontario, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.


Good to know

Low seasonJanuary
High seasonNovember
Cheapest flightC$ 118
Best time to beat the crowds (2% less expensive on average)
Most popular time to fly (1% more expensive on average)
Flight from Boston to Toronto Pearson Airport

FAQs - booking Ontario flights

  • How does KAYAK find such low prices on flights from Boston 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 Boston to Ontario.

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

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

  • What is the Hacker Fare option on flights from Boston 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 from Boston to Ontario with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston 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 from Boston to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Ontario?

    The cheapest time of day to fly to Ontario is generally in the afternoon, when round-trip flights cost C$ 312 on average. Morning departures are around 12% cheaper than evening flights, on average. The most expensive time of day to fly to Ontario is generally in the evening, which is peak travel time and where the average cost of a ticket is C$ 386.

Top tips for finding cheap flights to Ontario

  • Looking for a cheap flight? 25% of our users found tickets from Boston to the following destinations at these prices or less: Toronto C$ 175 one-way - C$ 357 round-trip; Montreal C$ 184 one-way - C$ 232 round-trip; Toronto C$ 181 one-way - C$ 390 round-trip

Top 4 airlines serving from Boston to Ontario

 
See real verified KAYAK customer reviews for airlines flying from Boston to Ontario. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston 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
Porter AirlinesOverall score based on 285 reviews
7.0Entertainment
7.6Food
8.8Crew
8.1Comfort
8.2Boarding
Airline reviews

I love the 2 seats per row. More room. The crew were excellent.

10.0 ExcellentAnonymous, Apr 2025YHZ - YOW
Read more Porter Airlines reviews

I love the 2 seats per row. More room. The crew were excellent.

It was amazing although they did bump us up to the front which gave us more leg room and a meal. The service was great! The staff were friendly. :)

Overall very good... staff were friendly and helpful. boarding was good for the most part, but a little hard to get our carry-on bags on there.... I think people should be directed to keep their coats and small bags with them until all the carry-ons are loaded, and then, if there is space, they can put their small bags and coats up top.. makes it much easier to put baggage up. i loved the internet feature, but the entertainment was not there unless you have your own Netflix or similar platform. My chair did not recline, which was very annoying, and the arms won't go up near the isle, which makes it tough to get in and out of the seat.

Staff were excellant. Only snacks served. Some turbulence so we were offered Free beer or wine.

The staff is always great. Just the fact that our flight was the only one delayed from Halifax when all other carries were still flying. It happen a year ago out of Toronto as well. All others were flying but our flight got cancelled 1 hr before the time of departure.

The only issue had when i mentioned about comfort was the man beside me was on the larger side and took about 1/3 of my seat where i was pressed against the wall/window of the plane for the trip.

The check-in staff, boarding staff, and flight crew were all very friendly. Really miss the Porter lounge in Ottawa.

Thanks for giving a beer to everyone in the seat infront of me and then telling me that I can’t have one because they are going to land. I guess I need to pay for a seat and then pick one in the very front of the plane

The flight was delayed by more than one hour. The terminal was consequently overcrowded and hot. We lost our car reservation and hit rush hour traffic in Boston, which added two hours stuck in traffic to our trip.

Awesome, the whole way through. Thank you, this is the new Canadian Airline benchmark.

Over the wing seat at emergency exit only downside people using lavatory have no respect and wait in the space

Flight delayed any hour and couple of big gate changes

The pilot came out and chatted with the passengers. He explained why there was a slight delay. The crew was excellent. Very helpful. I had to buy meals for my whole family and they were in different seats, so the crew had to deal with that. They were very pleasant and accommodating and did a great job!

We were unable to land in Liberia. It was not the airline’s fault, but we had to be diverted to SJO.

We had things stolen from our luggage, we also were refused an upgrade on a flight that was not full.

When we left, it wasn't Great . People were drinking heavily, very disrespectful Extremely loud, the entire trip. I think the crew members, should have get their attention. Coming back was great.

I sat in the club. The seeds were fantastic. The meal was great and Entertainment was good. The crew was fantastic. I recommend it to everybody.

The food was small portions and not fresh. I was seated at the back of the plane so by the time the cart approached me most of the food options were sold out. The cabin crew was fantastic however.

Great flight and crew. Food isn't free and neither are headphones...

We were in economy class but paid for option Plus which offer you an extra snack after take off, free earplugs & blanket. The crew were very attentive. The comfort however wasn’t great, hard to be comfortable in such restraint place. Wasn’t able to sleep through out the 7hrs flight and was exhausted upon arrival.

Everything is good except the dinner and breakfast. The sandwich is very delicious. Toilet is clean, I only use one of them. Flight attendants are very nice. 👍👍

A bit rush for transit. Food and entertainment are not available

Boarding was a little difficult. The gate area at O'Hare was very small and crowded due to multiple gates in the area. Could not hear the intercom, so had to rely on signage to see when my group was boarding and the signage was blocked by passengers standing in the gate. Flight was great and we arrived in Montreal on time.

My suitcase was completed destroyed. The top part is broken and unusable now.

When I booked it on Kayak it aaid that I wasn't allowed hamd luggage. I called United Airlines and it took them 6 minutes to figure out if I was allowed free hand luggage. Surely something that simple they should be able to tell me instantly.

I do prefer to fly United and have always had excellent service, except for bad weather. Flights are on time and staff is alway curtious and helpful

We were delayed in Toronto on the tarmac for THREE hours with no clear indication as to why except that it was not a safety hazard. Pilot did apologize more than once but even he was unable to explain why exactly we were delayed. I overheard the stewards saying that the captain was very frustrated with the situation as well because he was not able to explain why except it had something to do with water supply or system on the aircraft and now we needed to wait for an engineer to approve the aircraft for flight. It was very frustrating and distressing as a passenger and we should have been given complimentary meals at the very least.

All male crew was just too woke for me. I felt like a sardine. I will never take a window seat or the rearmost seat again. I booked early and did not pay for seat selection and that was a mistake. The security at IAH was atrocious. I was violated and radiated as I was in a hurry to connect to my other flight. I may have lost items under the seat in front of me that I couldn't see nor bend over to look.

Liked nothing. As per previous segment it was delay delay delay.

In general ok, my only issue is that they had no hot items for purchase. I had very little time in my connection due to baggage/customs/TSA, thag I barely even had a chance for a stop at the washroom and buy water, to make it to my gate when they started boarding. I had nothing to eat because the trip started early, so I was ready to purchase, and they had nothing except for dry items like snacks. I had to purchase a mediocre, overpriced cheese and fruit board, instead of at least a pizza or sliders that I was planning on getting. Other than that, it was fine. But that’s typical Air Canada, to not have enough.

2.5 hour delay sitting in the plane on the tarmac, you tell me how the experience was

I hope these comments will find their way to AC customer experience team. Me and my spouse 50 years of aged coming back from 7 days perfect vacation... While boarding in FLL flight AC1621, one of the boarding agents (tall aged african american) man literelly yeld at my wife during the picture talking process. MAM ! STEP !! BACK !!! We are not illegal immegrants beying deported, nor are we in the millitary. We are customers returning home. This was unacceptable. While boarding in YYZ flight AC1154, one of the boarding agents (tall aged caucasian) man criticied with several complesant remarks my passport condition saying that I could not travel intl with it due to stain, decoloration, and BLOOD. My passport does not have blood on it! Yes it might be in less than perfect condition, but their are ways to talk to customer that does not imply not allow a boarding agent to be angry fathery like, or a custom agent looking at a suspicious individual. Both experience were less than acceptable for might I remind you a paying CUSTOMER returning home.

This flight didn't happen for me because of overbooking.

Terrible experience, flight was delayed both ways. Limited compensation for the 5+ hour delay. Will not be flying Air Canada Rouge, and don’t recommend you do either.

The boarding was relatively quick, the crew welcoming and flight uneventful. The omission of meals on all airlines is unacceptable especially when the flight is during a mealtime such as this one, (lunchtime), is unacceptable.

Everything was simple and easy. The lady at the gate was super friendly, I wish I had her name to share. She's a little older, dark-haired. You can tell she likes her job and would be a great influence on any young people training with her.

No Charging ports for personal electronics, which were required to use wifi entertainment.

Rushed, the boarding was a great deal like a Chinese fire drill.

it was red eye flight, it was ok, there was beverage service, thats it i didnt care much as i wanted to sleep

Everything went smoothly. I appreciate the selection of free movies.

Everything you need to know for your flight from Boston to Ontario

Information on your arrival and departure airports

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