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Cheap flights from Thailand to Ontario from ฿15,507

BKK — ONT
6 Oct — 13 Oct1
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

Fri 4/917:50 -
1 stop37h 15m
Fri 18/923:30 -
1 stop22h 30m
Deal found 2/9฿28,122
Fri 25/913:20 -
1 stop18h 40m
Tue 29/900:10 -
1 stop19h 35m
Deal found 3/9฿28,188
Thu 1/1013:20 -
1 stop18h 40m
Sat 3/1000:10 -
1 stop22h 00m
Deal found 4/9฿28,254
Tue 13/1002:40 -
1 stop29h 20m
Wed 21/1000:10 -
1 stop22h 00m
Deal found 2/9฿28,286
Fri 11/913:20 -
1 stop19h 20m
Wed 23/900:10 -
1 stop35h 15m
Deal found 4/9฿28,352
Sun 20/910:50 -
1 stop21h 10m
Wed 23/900:10 -
1 stop35h 15m
Deal found 4/9฿28,418
Thu 17/910:50 -
1 stop21h 10m
Sun 20/900:10 -
1 stop35h 15m
Deal found 3/9฿28,451
Mon 21/913:20 -
1 stop18h 40m
Tue 29/900:10 -
1 stop26h 10m
Deal found 6/9฿28,516
Tue 29/1213:45 -
1 stop17h 10m
Wed 13/121:45 -
1 stop23h 50m
Deal found 1/9฿28,615
Mon 14/913:10 -
1 stop17h 55m
Mon 21/923:30 -
1 stop22h 30m
Deal found 5/9฿28,779
Thu 19/1117:40 -
1 stop37h 15m
Sat 12/1221:45 -
1 stop23h 50m
Deal found 2/9฿28,812
Sun 20/1217:40 -
1 stop37h 15m
Tue 22/1221:45 -
1 stop23h 50m
Deal found 2/9฿29,075

Find flight deals from Thailand to Ontario

Round-trip from

฿28,188

One-way from

฿15,507

Popular in

August

Cheapest in

October

Average price

฿25,395
China Airlines
  • China Airlines
  • 25/9-29/9
  • 2 total stops
  • 38h 15m total
  • Thailand to Ontario
Search Deals
13/10-31/12
  • 13/10-31/12
  • 3 total stops
  • 58h 55m total
  • Thailand to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (฿59,981 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿10,784 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Thailand to Ontario that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

BangkokOntario

BKK Bangkok Suvarnabhumi - ONT Ontario

BKKONT

Bangkok Suvarnabhumi

Sun 20/9

13:20-18:00

1 stop18h 40m

Ontario

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,131

BangkokOntario

BKK Bangkok Suvarnabhumi - ONT Ontario

BKKONT

Bangkok Suvarnabhumi

Fri 2/10

13:20-18:00

1 stop18h 40m

Ontario

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,197

BangkokOntario

BKK Bangkok Suvarnabhumi - ONT Ontario

BKKONT

Bangkok Suvarnabhumi

Thu 1/10

13:20-18:00

1 stop18h 40m

Ontario

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,229

BangkokOntario

BKK Bangkok Suvarnabhumi - ONT Ontario

BKKONT

Bangkok Suvarnabhumi

Thu 17/9

13:20-18:00

1 stop18h 40m

Ontario

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,229

BangkokOntario

BKK Bangkok Suvarnabhumi - ONT Ontario

BKKONT

Bangkok Suvarnabhumi

Thu 3/12

10:55-17:05

1 stop21h 10m

Ontario

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,229

BangkokOntario

BKK Bangkok Suvarnabhumi - ONT Ontario

BKKONT

Bangkok Suvarnabhumi

Fri 16/10

10:50-18:00

1 stop21h 10m

Ontario

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,229

BangkokOntario

BKK Bangkok Suvarnabhumi - ONT Ontario

BKKONT

Bangkok Suvarnabhumi

Wed 23/12

10:55-17:05

1 stop21h 10m

Ontario

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,295

BangkokOntario

BKK Bangkok Suvarnabhumi - ONT Ontario

BKKONT

Bangkok Suvarnabhumi

Mon 21/12

10:55-17:05

1 stop21h 10m

Ontario

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,295
Fastest return journey

BangkokOntario

BKK Bangkok Suvarnabhumi - ONT Ontario

BKKONT

Bangkok Suvarnabhumi

Wed 25/11

13:45-15:55

1 stop17h 10m

Ontario

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,544

BangkokOntario

DMK Bangkok Don Mueang Intl - ONT Ontario

DMKONT

Bangkok Don Mueang Intl

Mon 21/9

06:15-17:05

1 stop24h 50m

Ontario

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,544

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 47 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

Cheapflights Insights

Everything you need to know about your flight from Thailand to Ontario

No data available for this route at this time. Please check back soon.

Related info for your journey

  • 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 18h 40m. China Airlines provides one of the quickest options available for as low as ฿28,188. Thailand and Ontario are separated by a distance of 13325 km.

  • 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.

See more FAQs

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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.

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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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