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Cheap flights from Thailand to Ontario from C$ 859

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — YYZ
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Thailand to Ontario
Explore the most affordable flight options available from Thailand to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 May 2026.

Fri 19/67:05 a.m.
BKK
-
YUL
2 stops37h 55m
Air Canada
Sat 4/74:45 p.m.
YUL
-
BKK
2 stops25h 20m
Air Canada
Deal found 3/5C$ 1,384
Mon 8/67:05 a.m.
BKK
-
YUL
2 stops35h 05m
Air Canada
Wed 9/98:10 a.m.
YUL
-
BKK
2 stops33h 55m
Air Canada
Deal found 1/5C$ 1,483
Mon 8/67:05 a.m.
BKK
-
YUL
2 stops35h 05m
Air Canada
Mon 7/910:40 a.m.
YUL
-
BKK
2 stops31h 25m
Air Canada
Deal found 5/5C$ 1,491
Sat 6/612:50 p.m.
BKK
-
YYZ
1 stop35h 00m
Multiple Airlines
Sat 20/68:20 p.m.
YYZ
-
BKK
1 stop30h 40m
Multiple Airlines
Deal found 5/5C$ 1,495
Fri 26/67:05 a.m.
BKK
-
YUL
2 stops35h 05m
Air Canada
Fri 17/79:10 p.m.
YUL
-
BKK
2 stops44h 55m
Air Canada
Deal found 1/5C$ 1,502
Wed 16/97:05 a.m.
BKK
-
YUL
2 stops39h 56m
Air Canada
Tue 29/98:50 p.m.
YUL
-
BKK
2 stops45h 15m
Air Canada
Deal found 2/5C$ 1,503
Mon 13/75:35 p.m.
CNX
-
YYZ
2 stops32h 50m
Multiple Airlines
Sun 13/91:50 a.m.
YYZ
-
CNX
2 stops33h 00m
Multiple Airlines
Deal found 3/5C$ 1,537
Mon 15/611:30 p.m.
BKK
-
YYZ
2 stops33h 28m
Air Canada
Wed 5/86:15 a.m.
YYZ
-
BKK
1 stop35h 50m
Air Canada
Deal found 5/5C$ 1,622
Sun 8/113:55 p.m.
BKK
-
YYZ
2 stops33h 30m
China Eastern
Fri 13/113:25 p.m.
YYZ
-
BKK
1 stop32h 55m
China Eastern
Deal found 4/5C$ 1,631
Tue 29/911:30 p.m.
BKK
-
YOW
2 stops32h 20m
Air Canada
Sat 3/105:00 a.m.
YOW
-
BKK
1 stop37h 05m
Air Canada
Deal found 5/5C$ 1,672
Mon 15/65:35 p.m.
CNX
-
YYZ
2 stops32h 33m
Air Canada
Tue 7/710:40 p.m.
YYZ
-
CNX
2 stops49h 35m
Air Canada
Deal found 3/5C$ 1,672
Mon 15/611:30 p.m.
BKK
-
YYZ
2 stops33h 28m
Air Canada
Thu 6/81:45 p.m.
YYZ
-
BKK
1 stop21h 10m
Air Canada
Deal found 5/5C$ 1,675

Find flight deals from Thailand to Ontario

Keep the following information in mind while searching for Thailand to Ontario flight deals. Data was last updated 6 May 2026.

Round-trip from

C$ 1,384

One-way from

C$ 859

Popular in

April

Cheapest in

October

Average price

C$ 1,627
Air Canada
  • Air Canada
  • 19/6-4/7
  • 4 total stops
  • 63h 15m total
  • Thailand to Ontario
Search Deals
Air China
  • Air China
  • 20/5
  • 1 total stop
  • 28h 35m total
  • Thailand to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 286 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Thailand 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 629,999 searches. Data last updated 6 May 2026.
Use the filters below to find and compare flights from Thailand to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokOttawa

BKK - YOW

BKKYOW

Bangkok Suvarnabhumi

Tue 29/9

11:30 p.m.-8:50 p.m.

2 stops32h 20m

Ottawa

Sat 3/10

5:00 a.m.-5:05 a.m.

1 stop37h 05m

C$ 1,672

Chiang MaiToronto

CNX - YYZ

CNXYYZ

Chiang Mai

Mon 26/10

10:05 a.m.-2:25 p.m.

2 stops63h 20m

Toronto Pearson Intl

Wed 28/10

4:25 p.m.-2:20 p.m.

1 stop34h 55m

C$ 1,753

Phuket CityMontreal

HKT - YUL

HKTYUL

Phuket City

Thu 17/9

11:50 a.m.-12:39 a.m.

2 stops47h 49m

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

6:00 p.m.-10:50 a.m.

2 stops29h 50m

C$ 1,792

BangkokMontreal

BKK - YUL

BKKYUL

Bangkok Suvarnabhumi

Mon 25/5

7:05 a.m.-7:10 a.m.

2 stops35h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 23/11

10:30 a.m.-6:30 a.m.

2 stops32h 00m

C$ 1,846

BangkokToronto

BKK - YYZ

BKKYYZ

Bangkok Suvarnabhumi

Tue 30/6

11:50 p.m.-8:55 a.m.

2 stops44h 05m

Toronto Pearson Intl

Tue 7/7

9:00 p.m.-5:40 a.m.

1 stop21h 40m

C$ 1,870

BangkokToronto

BKK - YYZ

BKKYYZ

Bangkok Suvarnabhumi

Fri 19/6

12:50 p.m.-12:50 p.m.

1 stop35h 00m

Toronto Pearson Intl

Fri 26/6

4:30 p.m.-9:50 a.m.

1 stop30h 20m

C$ 1,871

BangkokMontreal

BKK - YUL

BKKYUL

Bangkok Suvarnabhumi

Fri 19/6

12:50 p.m.-1:50 p.m.

2 stops36h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 26/6

4:40 p.m.-9:50 a.m.

1 stop30h 10m

C$ 1,881

BangkokOttawa

BKK - YOW

BKKYOW

Bangkok Suvarnabhumi

Tue 29/9

9:35 a.m.-1:45 p.m.

2 stops39h 10m

Ottawa

Sat 3/10

2:48 p.m.-9:35 a.m.

3 stops31h 47m

C$ 1,896

BangkokToronto

BKK - YYZ

BKKYYZ

Bangkok Suvarnabhumi

Wed 20/5

3:45 p.m.-9:32 p.m.

3 stops40h 47m

Toronto Pearson Intl

Wed 15/7

10:45 a.m.-9:35 a.m.

3 stops35h 50m

C$ 1,897

BangkokMontreal

BKK - YUL

BKKYUL

Bangkok Suvarnabhumi

Tue 15/9

9:35 a.m.-6:39 a.m.

2 stops32h 04m

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

8:20 a.m.-9:35 a.m.

2 stops38h 15m

C$ 1,898

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Thailand to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Thailand 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 Thailand to Ontario

How far ahead should I book a flight from Thailand to Region of Ontario?

To ensure you get the cheapest price possible for a flight from Thailand to Region of Ontario, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Thailand to Region of Ontario?

Currently, July is the cheapest month in which you can book a flight from Thailand to Region of Ontario (average of C$ 515). Flying from Thailand to Region of Ontario in January is currently the most expensive (average of C$ 1,364). 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.

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 6 May 2026.
Read through reviews of airlines operating flights from Thailand to Ontario, such as Thai Airways,Cathay Pacific, andPhilippine Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.9
Good
401 reviews
Check prices

Overall

7.9

Entertainment

6.9

Food

7.4

Comfort

7.7

Crew

8.4

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Airways
7.9
Good
401 reviews
Thai Airways
7.9
Good
401 reviews
Check prices

Overall

7.9

Entertainment

6.9

Food

7.4

Comfort

7.7

Crew

8.4

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Cathay Pacific
7.6
Good
1,314 reviews
Thai Airways
7.9
Good
401 reviews
Check prices

Overall

7.9

Entertainment

6.9

Food

7.4

Comfort

7.7

Crew

8.4

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Philippine Airlines
7.3
Good
994 reviews
Thai Airways
7.9
Good
401 reviews
Check prices

Overall

7.9

Entertainment

6.9

Food

7.4

Comfort

7.7

Crew

8.4

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Air China
7.3
Good
149 reviews
Thai Airways
7.9
Good
401 reviews
Check prices

Overall

7.9

Entertainment

6.9

Food

7.4

Comfort

7.7

Crew

8.4

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Air Canada
7.1
Good
11,000 reviews
Thai Airways
7.9
Good
401 reviews
Check prices

Overall

7.9

Entertainment

6.9

Food

7.4

Comfort

7.7

Crew

8.4

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Related info for your journey

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

  • How long is the flight from Thailand to Region of Ontario?

    Departing from Thailand to Region of Ontario will take you 33h 40m. The distance between Thailand and Region of Ontario is about 13433 km. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Cathay Pacific, which is currently one of the cheapest options available, starting at C$ 593. Philippine Airlines flights start at C$ 596 while deals on China Eastern start at C$ 670 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Thailand 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.

  • What is the cheapest month to book a flight from Thailand to Region of Ontario?

    Currently, July is the cheapest month in which you can book a flight from Thailand to Region of Ontario (average of C$ 515). Flying from Thailand to Region of Ontario in January is currently the most expensive (average of C$ 1,364). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Thailand to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Thailand to Ontario

Discover the top 6 airlines that operate flights from Thailand 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 629,999 searches. Data last updated 6 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapestC$ 1,047AverageC$ 1,477FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Korean AirCheapestC$ 1,201AverageC$ 1,468FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Air ChinaCheapestC$ 1,238AverageC$ 1,886FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air CanadaCheapestC$ 1,247AverageC$ 1,684FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Cathay PacificCheapestC$ 1,457AverageC$ 1,656FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Thai AirwaysCheapestC$ 1,511AverageC$ 1,925FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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 Thailand to Ontario?

Cheapflights helps you search for flights from Thailand to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Thailand 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 Thailand to Ontario.

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

Need flexible booking options for your flight to Ontario from Thailand? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Thailand today and book when prices fit your budget.

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