฿19,354 Find Cheap Flights to Ontario – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Thailand to Ontario departing on 10/11. 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
1 adult, Economy, 0 bags

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 for flights to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Ontario, as well as popular online travel agencies
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Flight Deals

Best Ontario Flight Deals

Cheapest return prices found by our users on KAYAK in the last 72 hours
Toronto
Toronto1 stop฿34,363
Ottawa
Ottawa2 stops฿33,079
Toronto
Toronto1 stop฿34,363
Ottawa
Ottawa2 stops฿33,079

Book Cheap Ontario Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals to Ontario

Mon 29 Jun - Mon 13 Jul
แอร์แคนาดา Logo
07:05 - 19:49
BKK
-
YUL
23h 44m
2 stops
แอร์แคนาดา Logo
07:30 - 05:05
YUL
-
BKK
34h 35m
1 stop
฿30,677แอร์แคนาดา
Fri 11 Sep - Sat 26 Sep
แอร์แคนาดา Logo
07:05 - 16:54
BKK
-
YUL
20h 49m
1 stop
แอร์แคนาดา Logo
19:45 - 05:05
YUL
-
BKK
22h 20m
1 stop
฿30,907แอร์แคนาดา
Mon 22 Jun - Wed 26 Aug
แอร์แคนาดา Logo
07:05 - 18:18
BKK
-
YUL
22h 13m
2 stops
แอร์แคนาดา Logo
13:15 - 05:05
YUL
-
BKK
28h 50m
1 stop
฿30,940แอร์แคนาดา
Thu 16 Jul - Sun 26 Jul
Philippine Airlines Logo
23:40 - 22:45
BKK
-
YYZ
34h 05m
1 stop
Philippine Airlines Logo
01:50 - 18:30
YYZ
-
BKK
29h 40m
1 stop
฿34,363Philippine Airlines
Wed 21 Oct - Wed 4 Nov
Philippine Airlines Logo
13:25 - 22:45
BKK
-
YYZ
20h 20m
1 stop
Philippine Airlines Logo
01:55 - 12:05
YYZ
-
BKK
22h 10m
1 stop
฿34,495Philippine Airlines
Mon 29 Jun - Sun 6 Sep
Multiple Airlines Logo
01:30 - 13:10
BKK
-
YYZ
22h 40m
1 stop
Multiple Airlines Logo
01:50 - 12:10
YYZ
-
BKK
23h 20m
1 stop
฿34,593Multiple Airlines
Fri 3 Jul - Sun 6 Sep
Multiple Airlines Logo
19:35 - 13:10
BKK
-
YYZ
28h 35m
1 stop
Multiple Airlines Logo
01:50 - 12:10
YYZ
-
BKK
23h 20m
1 stop
฿34,692Multiple Airlines
Wed 26 Aug - Mon 31 Aug
United Airlines Logo
09:35 - 18:46
BKK
-
YTZ
44h 11m
2 stops
United Airlines Logo
19:25 - 04:35
YTZ
-
BKK
46h 10m
2 stops
฿45,192United Airlines
Thu 10 Sep - Thu 17 Sep
Emirates Logo
23:50 - 08:00
DMK
-
YUL
43h 10m
1 stop
Emirates Logo
10:15 - 20:45
YUL
-
DMK
23h 30m
1 stop
฿53,651Emirates
Thu 10 Sep - Thu 22 Oct
Emirates Logo
23:50 - 08:00
DMK
-
YUL
43h 10m
1 stop
Emirates Logo
10:15 - 11:10
YUL
-
DMK
37h 55m
1 stop
฿53,816Emirates
Booking Insights

KAYAK's insights & trends for flights to Ontario

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

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Thailand 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 Thailand to Ontario is November, when tickets cost ฿12,014 (return) on average. On the other hand, the most expensive months are April and March, when the average cost of round-trip tickets is ฿71,688 and ฿39,169 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights 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 a flight from Thailand to Ontario, you should book around 5 weeks before departure, which saves you about 9% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight฿19,354
Best time to beat the crowds (20% less expensive on average)
Most popular time to fly and prices are also 9% lower on average.
Flight from Bangkok Suvarnabhumi Airport to Montreal

FAQs - booking Ontario flights

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

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Thailand 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 Thailand to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Thailand 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 Thailand 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 Thailand to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Ontario

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Ontario flight deals.

Reviews of the top 4 airlines flying to Ontario

 
See real verified KAYAK customer reviews for airlines flying to Ontario. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Thailand to Ontario. 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 Thailand 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.
8.4
Korean AirOverall score based on 1218 reviews
8.1Food
8.5Boarding
8.3Comfort
8.7Crew
8.2Entertainment
Airline reviews

Very long flight time. Still better than a connection flight. Staff is very good at service. Vegetarian food is not very good.

8.0 ExcellentGary, Apr 2026
ICN - YYZ
Read more Korean Air reviews

Very long flight time. Still better than a connection flight. Staff is very good at service. Vegetarian food is not very good.

Lousy entertainment system. Crews are excellent. Meal is just mediocre.

Aircraft is pretty old. Seat is not comfortable. Meal quality is disappointing. Entertainment system is not impressive at all.

Great service and comfort level. You can have more of vegetarian food options.

The boarding process was efficient and quick. The seats were comfortable. The food was good. The service was excellent. We had a lovely flight from Seattle on Korean air

Flight crew was fantastic. The aircraft was meticulously cleaned at all times. The crew was continuously checking to see if the passengers were ok.

It’s great, long flight and arrive safe at destination

Korean are so racist and when I ask question or directions they totally ignore me and say racist. Also they give me an rude attitude.

This was an amazing flight. The crew was great. The service was great. The food provided was great.

There was a lot of partial tv shows but not enough to last the flight. The food was incredible! The crew were so helpful and patient. Lots more space than what I usually get on an international flight. Very comfortable!

The go to HK trip will easily giving jetlag, but coming back to Chicago has no jetlag because of the time taking off matter.

Had a bad experience with crew member coming back Hong Kong to la the person next to me one of the passenger have taken video and picture of crew member the person that served meal young kid late 20' s 6 5'10 had attitude at his peak anything I asked for I don't know if it was bad day or racial I felt humiliated as people could see difference towards me I no problem with Cathy and my whole family never had one was very disappointed

Not at all satisfactory. I had stomach upsets after taking food. Quality of Asian vegetarian meal was awful. Further there was no snacks/ fruits/ biscuits available as in between snacks.. only peanuts and pitzels.. except courteous staff rest of my experience was far from satisfactory

Staff was very courteous. Plane was clean and quite spacious even in the last rows. Veg food could have been better.

Flight was kept super cold. I was shivering and had to layer up.

The worst experience ever! Lots of flight delays and rerouting that ended up doubling the total time. . I had to recheck my luggage because I was rerouted to Tokyo and ended up on ANA flight. I missed connecting flight twice because of the delay at Cathy Pacific. Additional stop added, rerouted to a different country for connecting flight and ended up in long waits and delays.

The flight attendants were very helpful, efficient and courteous in helping everyone!

My seat had many issues. First the chair was broken where reclining was difficult. My usb plug was also broken so charging was impossible.

The flight from Hong Kong to Hyderabad didn’t have any power points to charge my mobile. Given we are no longer allowed to use power banks, giving customers the ability to charge even on short flights is critical part of the overall experience.

I liked the service. The touch screen needs improvement as well as movie choices.

It was amazing with great service. But the seating could have been better if there was ample arm rest areas

Everything is ok except the manner of transporting the people that includes me on a wheelchair. That was my first time cuz I was suffering from “sciatica “ and couldn’t walk well. Upon arrival at LAX it took me almost 3 hrs to get out of the airport bcuz of these wheelchairs procedures. If only I can manage to walk I should have done so OMG. Other than that so far everything is ok. THANK YOU.

Check in process was excellent. Lounge needs improvement. Food not palatable and no good choices.

Excellent service from check in/ bag drop counter staff to flight attendants. Food was great. Seats are nice. Excellent airline.

Flight was good took off on time arrived early. Crew was awesome and did a great job. Very helpful and courteous. Bags arrived super fast with no hassles. Great flight!!!!!!

Excellent! All flight related was memorable ! My first experience with Mabuhay Lounge,,, not so good

Everything was fantastic!!!! I can’t wait to fly home 😃!!!!!

Short flight with limited entertainment wasn't that bad. Staff was friendly and plane was clean. Meal was good.

It was great! The flight was on time and had a smoother flight

You have to pay $25 to get access to smoking lounge. One coffee and small bottle of water coupon provided. Max time 2 hrs for two entries total.

Air Canada has very professional , friendly and co operative crew.

I liked the fact that we arrived on time. What I did not like, I paid for a seat. Unfortunately a very large women sat beside me (required a belt extension). Her body spilled to my side. Not her fault but I had to lean to the left because her body was literally on my side of the seat. This caused a back ache. I was unable to sit straight the entire flight. There should be some form allowance (wider seat) for morbidly obese passengers. These seats are not designed for extremely obese people. I feel compassionate towards these obese passengers but I got off the plane with a substantial lower back ache. I myself have a degenerative disk disease and this did not help me

It was a short flight so, everything went smoothly and we got to where we needed to be safely.

No TV on the flight. The charging outlet was not working. No food, even a sandwich. The served orange was poor quality.

I liked that the staff members at the airport were helpful and very pleasant to work with. Flight crew were also a great crew who were helpful and I was happy for their help boarding. Overall a pleasant trip home.

Business class seats were quite old. Flight departure was delayed . Food service was good

Selected seats 5 months prior to date. Had email confirmation and seats were not honoured. Family did not sit together

Fantastic dinner! The chicken with the coconut rice was amazingly good! Excellent service!

Air traffic delay meant boarding started, then plane was evacuated and passengers sent back to the terminal for 1 hour. Very little information shared.

Our AC flight was canceled not once but twice on the same day to Quebec City at Toronto Pearson Airport. 2;30 AC and 9;40PM AC flight. After having our 2:35 flight canceled, we were bumped the second time because of large student groups visiting Quebec City. We were sent to Montreal on an 11:30 flight which landed close to 12:45AM. We were given a hotel room at the Marriot Hotel next to the airport. We had less than 4 hours sleep before we being taken to the airport for our 7AM flight to Quebec City. We didn't have much time to use our vouchers given for breakfast once we had cleared customs for the 2nd time since leaving Toronto Pearson Airport. We missed a full evening in Quebec City and lost our hotel room for the night. We were exhausted the next day and missed an excursion we had planned. My wife and I are both seniors in our seventies, and we weren't happy to be treated in this manner. Air Canada could have used a larger plane to accommodate us and the other ten or so people that were bumped from their flight to Quebec City in order to accommodate student groups. We will endeavor never to fly Air Canada again in future and we will not recommend flying with this airline to our friends and families.

Everything you need to know for your flight to Ontario

Cabin class types available on flights to Ontario

Cabin classes available on flights to Ontario. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.