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Cheap flights from Ontario to Chiang Mai from C$ 678

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNX
5 Aug — 12 Aug1
1 adult

Cheap flight deals from Ontario to Chiang Mai

Keep the following information in mind while searching for Ontario to Chiang Mai flight deals. Data was last updated 31 July 2025.

Round-trip from

C$ 1,306

One-way from

C$ 678

Popular in

December

Cheapest in

May

Average price

C$ 2,289
13/1-28/1
  • 13/1-28/1
  • 4 total stops
  • 64h 19m total
  • Ontario to Chiang Mai
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12/9
  • 12/9
  • 2 total stops
  • 48h 35m total
  • Ontario to Chiang Mai
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 414 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 91 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Ontario to Chiang Mai

Cheapest flights from Ontario to Chiang Mai
Explore the most affordable flight options available from Ontario to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.

Sat 13/99:05 a.m.YOW - CNX
2 stops27h 35mMultiple Airlines
Sat 20/95:40 p.m.CNX - YOW
2 stops38h 13mMultiple Airlines
Deal found 30/7C$ 1,367
Mon 25/89:00 a.m.YYZ - CNX
2 stops25h 35mMultiple Airlines
Mon 15/95:40 p.m.CNX - YYZ
2 stops35h 06mMultiple Airlines
Deal found 29/7C$ 1,400
Tue 23/91:20 p.m.YYZ - CNX
2 stops40h 20mAir Canada
Sat 27/95:40 p.m.CNX - YYZ
2 stops42h 26mAir Canada
Deal found 30/7C$ 1,500
Tue 28/101:35 a.m.YYZ - CNX
1 stop30h 15mCathay Pacific
Sun 30/117:40 p.m.CNX - YYZ
1 stop28h 35mCathay Pacific
Deal found 30/7C$ 1,531
Wed 20/85:45 p.m.YUL - CNX
2 stops29h 40mMultiple Airlines
Sun 24/811:35 a.m.CNX - YUL
2 stops43h 30mMultiple Airlines
Deal found 29/7C$ 1,576
Sun 24/81:45 a.m.YYZ - CNX
1 stop21h 40mEVA Air
Mon 15/911:35 a.m.CNX - YYZ
1 stop20h 45mEVA Air
Deal found 29/7C$ 1,623
Tue 23/97:45 p.m.YYZ - CNX
2 stops51h 35mChina Airlines
Sat 27/911:20 a.m.CNX - YYZ
2 stops29h 53mChina Airlines
Deal found 28/7C$ 1,665
Wed 29/104:25 p.m.YYZ - CNX
1 stop34h 55mChina Eastern
Sun 30/113:35 p.m.CNX - YYZ
1 stop33h 50mChina Eastern
Deal found 31/7C$ 1,806
Tue 30/127:55 a.m.YYZ - CNX
2 stops51h 10mDelta
Sun 25/112:15 a.m.CNX - YYZ
2 stops34h 40mDelta
Deal found 30/7C$ 1,878
Thu 20/118:10 p.m.YUL - CNX
2 stops26h 25mEVA Air
Mon 24/1111:50 a.m.CNX - YUL
2 stops24h 42mEVA Air
Deal found 28/7C$ 2,220
Sat 13/95:55 p.m.YTZ - CNX
3 stops32h 50mMultiple Airlines
Sat 20/97:25 p.m.CNX - YTZ
3 stops32h 03mMultiple Airlines
Deal found 30/7C$ 2,563
Wed 20/88:10 a.m.YUL - CNX
2 stops39h 10mChina Airlines
Sun 24/88:00 p.m.CNX - YUL
3 stops46h 08mChina Airlines
Deal found 29/7C$ 2,614

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Chiang Mai 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 31 July 2025.
Use the filters below to find and compare flights from Ontario to Chiang Mai that are best for you.

Fly from

Ontario

Fly to

Chiang Mai

Route

Depart

Return

Price

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Tue 13/1

6:40 p.m.-1:45 p.m.

2 stops31h 05m

Chiang Mai

Wed 28/1

7:45 p.m.-4:59 p.m.

2 stops33h 14m

C$ 1,306

OttawaChiang Mai

YOW - CNX

YOWCNX

Ottawa

Sat 13/9

9:05 a.m.-11:40 p.m.

2 stops27h 35m

Chiang Mai

Sat 20/9

5:40 p.m.-8:53 p.m.

2 stops38h 13m

C$ 1,367

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Mon 12/1

12:35 a.m.-6:50 p.m.

1 stop30h 15m

Chiang Mai

Tue 10/2

7:40 p.m.-12:15 p.m.

1 stop28h 35m

C$ 1,425

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Tue 23/9

1:20 p.m.-4:40 p.m.

2 stops40h 20m

Chiang Mai

Sat 27/9

5:40 p.m.-1:06 a.m.

2 stops42h 26m

C$ 1,500

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Sun 24/8

1:45 a.m.-10:25 a.m.

1 stop21h 40m

Chiang Mai

Mon 15/9

11:35 a.m.-9:20 p.m.

1 stop20h 45m

C$ 1,623

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Tue 23/9

7:45 p.m.-10:20 a.m.

2 stops51h 35m

Chiang Mai

Sat 27/9

11:20 a.m.-6:13 a.m.

2 stops29h 53m

C$ 1,665

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Tue 13/1

2:30 p.m.-6:05 a.m.

1 stop27h 35m

Chiang Mai

Tue 10/2

8:50 a.m.-8:15 a.m.

1 stop35h 25m

C$ 1,705

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Thu 20/11

8:10 p.m.-10:35 a.m.

2 stops26h 25m

Chiang Mai

Mon 24/11

11:50 a.m.-12:32 a.m.

2 stops24h 42m

C$ 2,358

TorontoChiang Mai

YTZ - CNX

YTZCNX

Toronto Island

Sat 13/9

5:55 p.m.-1:45 p.m.

3 stops32h 50m

Chiang Mai

Sat 20/9

7:25 p.m.-4:28 p.m.

3 stops32h 03m

C$ 2,563

OttawaChiang Mai

YOW - CNX

YOWCNX

Ottawa

Thu 13/11

5:40 a.m.-11:05 p.m.

2 stops29h 25m

Chiang Mai

Sun 16/11

12:15 a.m.-12:42 a.m.

2 stops36h 27m

C$ 2,873

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 27 results
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2
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Best time to book a flight from Ontario to Chiang Mai

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

What is the cheapest time of day to fly from ON to CNX?

Find hourly flight availability from Ontario to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Chiang Mai as you normally would.

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. 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 Chiang Mai. Reviews last updated 31 July 2025.
Read reviews from past customers who have flown EVA Air,China Airlines, andCathay Pacific from Ontario to Chiang Mai. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,220 reviews
Check prices

Overall

8.4

Crew

8.6

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,220 reviews
EVA Air
8.4
Very good
1,220 reviews
Check prices

Overall

8.4

Crew

8.6

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
754 reviews
EVA Air
8.4
Very good
1,220 reviews
Check prices

Overall

8.4

Crew

8.6

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Cathay Pacific
7.6
Good
949 reviews
EVA Air
8.4
Very good
1,220 reviews
Check prices

Overall

8.4

Crew

8.6

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Etihad Airways
7.4
Good
1,230 reviews
EVA Air
8.4
Very good
1,220 reviews
Check prices

Overall

8.4

Crew

8.6

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Eastern
7.2
Good
158 reviews
EVA Air
8.4
Very good
1,220 reviews
Check prices

Overall

8.4

Crew

8.6

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Ontario to Chiang Mai. 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 into for flights to Chiang Mai from Ontario?

    If you book a flight to Chiang Mai from Ontario, you will be flying to Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 3.1 km from the centre of Chiang Mai.

  • What are the cheapest airlines to fly from Region of Ontario to Chiang Mai 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$ 800. China Eastern flights start at C$ 810 while deals on EVA Air start at C$ 1,095 one-way.

  • What are the most popular routes from Region of Ontario to Chiang Mai?

    The most popular flight routes from Region of Ontario to Chiang Mai are Toronto Pearson Intl - Chiang Mai, Montreal Pierre Elliott Trudeau Intl - Chiang Mai and Toronto Island - Chiang Mai.

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

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

  • How can I find direct flights from Ontario to Chiang Mai?

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ontario to Chiang Mai

Discover the top 4 airlines that operate flights from Ontario to Chiang Mai. 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 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,365AverageC$ 1,462FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
EVA AirCheapestC$ 1,670AverageC$ 2,303FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Cathay PacificCheapestC$ 1,720AverageC$ 2,593FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Korean AirCheapestC$ 1,869AverageC$ 2,436FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Chiang Mai?

Cheapflights helps you search for flights from Ontario to Chiang Mai 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 Ontario to Chiang Mai?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Chiang Mai for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Ontario to Chiang Mai with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

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

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