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Cheap flights from Thailand to Ontario from ฿16,682

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ONT
18 May — 25 May1
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 18 April 2026.

Thu 14/510:50
BKK
-
ONT
1 stop21h 10m
China Airlines
Tue 10/1122:50
ONT
-
BKK
1 stop26h 55m
China Airlines
Deal found 14/4฿28,507
Thu 7/510:50
BKK
-
ONT
1 stop21h 10m
China Airlines
Wed 26/800:45
ONT
-
BKK
1 stop21h 25m
China Airlines
Deal found 13/4฿28,571
Sat 2/513:10
BKK
-
ONT
1 stop17h 55m
STARLUX Airlines
Wed 23/923:10
ONT
-
BKK
1 stop22h 50m
STARLUX Airlines
Deal found 17/4฿28,635
Sun 10/502:40
BKK
-
ONT
1 stop29h 20m
China Airlines
Mon 13/700:45
ONT
-
BKK
1 stop19h 00m
China Airlines
Deal found 16/4฿28,667
Tue 1/917:30
BKK
-
ONT
1 stop39h 10m
China Airlines
Fri 2/1000:10
ONT
-
BKK
1 stop19h 35m
China Airlines
Deal found 15/4฿28,827
Mon 15/607:00
BKK
-
ONT
2 stops43h 12m
United Airlines
Sat 4/713:50
ONT
-
BKK
2 stops48h 45m
United Airlines
Deal found 14/4฿28,859
Tue 8/910:50
BKK
-
ONT
1 stop21h 50m
China Airlines
Mon 14/900:45
ONT
-
BKK
1 stop25h 35m
China Airlines
Deal found 16/4฿28,891
Thu 7/510:50
BKK
-
ONT
1 stop21h 10m
China Airlines
Thu 27/800:45
ONT
-
BKK
1 stop21h 25m
China Airlines
Deal found 13/4฿28,923
Tue 8/910:50
BKK
-
ONT
1 stop21h 50m
China Airlines
Thu 17/900:10
ONT
-
BKK
1 stop19h 35m
China Airlines
Deal found 14/4฿28,955
Thu 10/917:30
BKK
-
ONT
1 stop39h 10m
China Airlines
Sat 12/900:45
ONT
-
BKK
1 stop21h 25m
China Airlines
Deal found 15/4฿29,051
Thu 10/909:25
KBV
-
ONT
2 stops23h 15m
China Airlines
Sun 13/900:45
ONT
-
KBV
2 stops42h 00m
China Airlines
Deal found 13/4฿38,798
Thu 4/606:40
DMK
-
ONT
2 stops25h 20m
Multiple Airlines
Thu 18/600:10
ONT
-
DMK
2 stops32h 30m
Multiple Airlines
Deal found 13/4฿47,139

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 18 April 2026.

Round-trip from

฿28,507

One-way from

฿16,682

Popular in

July

Cheapest in

September

Average price

฿25,727
China Airlines
  • China Airlines
  • 14/5-10/11
  • 2 total stops
  • 48h 05m total
  • Thailand to Ontario
Search Deals
STARLUX Airlines
  • STARLUX Airlines
  • 1/5
  • 1 total stop
  • 17h 55m total
  • Thailand to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (฿80,993 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿10,185 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 17,341 searches. Data last updated 18 April 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 return flight

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Thu 7/5

10:50-18:00

1 stop21h 10m

Ontario

Wed 26/8

00:45-12:10

1 stop21h 25m

฿28,571

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Thu 14/5

13:20-18:00

1 stop18h 40m

Ontario

Tue 10/11

22:50-16:45

1 stop26h 55m

฿28,923

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Tue 12/5

09:35-17:52

2 stops46h 17m

Ontario

Tue 14/7

05:00-23:55

2 stops28h 55m

฿30,744

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Thu 7/5

13:20-18:00

1 stop18h 40m

Ontario

Tue 14/7

00:45-01:25

1 stop34h 40m

฿31,032
Fastest return journey

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Wed 6/5

13:20-18:00

1 stop18h 40m

Ontario

Tue 25/8

00:45-09:45

1 stop19h 00m

฿31,447

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Mon 4/5

09:35-17:52

2 stops46h 17m

Ontario

Sun 30/8

13:44-04:35

2 stops48h 51m

฿33,365

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 19/6

02:40-18:00

1 stop29h 20m

Ontario

Mon 27/7

00:45-16:20

1 stop25h 35m

฿33,940

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Thu 10/9

12:25-18:40

2 stops44h 15m

Ontario

Sat 12/9

00:45-12:10

1 stop21h 25m

฿34,132

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 15/5

17:50-18:00

2 stops38h 10m

Ontario

Mon 13/7

00:45-16:20

1 stop25h 35m

฿36,465

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Tue 12/5

13:20-18:00

1 stop18h 40m

Ontario

Sun 24/5

00:10-09:45

1 stop19h 35m

฿36,753

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 40 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 return 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

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

Currently, February is the cheapest month in which you can book a flight from Thailand to Ontario (average of ฿15,500). Flying from Thailand to Ontario in July is currently the most expensive (average of ฿30,393). 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.

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.

  • What airport do you fly into for flights to Ontario from Thailand?

    Ontario (ONT), located 4.9 km from the city centre, is the airport you fly into when you book flights from Thailand to Ontario.

  • How long is the flight from Thailand to Ontario?

    A quick flight from Thailand to Ontario can take about 21h 10m. China Airlines provides one of the quickest options available for as low as ฿28,571. Thailand and Ontario are separated by a distance of 13325 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Thailand to Ontario?

    The most popular route from Thailand to Ontario is Bangkok Suvarnabhumi - Ontario. You may also consider Krabi - Ontario or Bangkok Don Mueang Intl - Ontario.

  • 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 holiday 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 Ontario?

    Currently, February is the cheapest month in which you can book a flight from Thailand to Ontario (average of ฿15,500). Flying from Thailand to Ontario in July is currently the most expensive (average of ฿30,393). 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

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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?

Yes, we can. To see specific flights from Thailand to Ontario 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 Thailand to Ontario become cheaper?

Of course! You can now track prices for flights from Thailand to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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