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Cheap flights from Thailand to Ontario from ฿15,960

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 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ONT
17 May — 24 May1
1 adult

Cheap flight deals from Thailand to Ontario

Keep the following information in mind while searching for Thailand to Ontario flight deals. Data was last updated 12 May 2025.

Round-trip from

฿28,154

One-way from

฿15,960

Popular in

August

Cheapest in

October

Average price

฿29,687
China Airlines
  • China Airlines
  • 27/5-15/7
  • 2 total stops
  • 48h 20m total
  • Thailand to Ontario
Search Deals
23/5
  • 23/5
  • 3 total stops
  • 41h 41m total
  • Thailand to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (฿48,628 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿10,746 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Thailand to Ontario

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 12 May 2025.

Tue 27/502:40BKK - ONT
1 stop29h 20mChina Airlines
Tue 15/700:45ONT - BKK
1 stop19h 00mChina Airlines
Deal found 12/5฿28,154
Mon 16/613:10BKK - ONT
1 stop17h 55mSTARLUX Airlines
Wed 2/723:45ONT - BKK
1 stop26h 55mSTARLUX Airlines
Deal found 12/5฿29,320
Wed 14/509:35BKK - ONT
2 stops48h 59mUnited Airlines
Tue 24/618:41ONT - BKK
2 stops43h 54mUnited Airlines
Deal found 12/5฿30,020
Tue 27/513:20BKK - ONT
1 stop18h 40mMultiple Airlines
Wed 16/706:30ONT - BKK
2 stops26h 55mMultiple Airlines
Deal found 11/5฿35,218
Mon 16/620:15DMK - ONT
3 stops35h 45mMultiple Airlines
Tue 1/700:45ONT - DMK
2 stops31h 30mMultiple Airlines
Deal found 12/5฿40,249
Sat 26/702:35BKK - ONT
2 stops28h 31mKorean Air
Sun 10/806:30ONT - BKK
2 stops28h 35mKorean Air
Deal found 12/5฿63,472
Sat 26/702:30BKK - ONT
2 stops35h 43mQatar Airways
Sun 10/812:00ONT - BKK
2 stops35h 25mQatar Airways
Deal found 11/5฿63,538
Fri 6/620:55BKK - ONT
2 stops38h 16mเอทิฮัดแอร์เวย์
Fri 13/623:59ONT - BKK
2 stops33h 56mเอทิฮัดแอร์เวย์
Deal found 11/5฿86,528
Thu 10/708:05BKK - ONT
2 stops28h 52mAmerican Airlines
Wed 30/723:59ONT - BKK
2 stops39h 51mAmerican Airlines
Deal found 12/5฿142,769

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 12 May 2025.
Use the filters below to find and compare flights from Thailand to Ontario that are best for you.

Fly from

Thailand

Fly to

Ontario

Route

Depart

Return

Price

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Tue 27/5

02:40-18:00

1 stop29h 20m

Ontario

Tue 15/7

00:45-09:45

1 stop19h 00m

฿28,154

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Mon 16/6

13:10-17:05

1 stop17h 55m

Ontario

Wed 2/7

23:45-16:40

1 stop26h 55m

฿29,320

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Wed 8/10

09:35-12:13

2 stops40h 38m

Ontario

Wed 22/10

09:35-04:35

2 stops53h 00m

฿30,020

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Tue 27/5

13:20-18:00

1 stop18h 40m

Ontario

Wed 16/7

06:30-23:25

2 stops26h 55m

฿35,218

BangkokOntario

DMK - ONT

DMKONT

Bangkok Don Mueang Intl

Mon 16/6

20:15-18:00

3 stops35h 45m

Ontario

Tue 1/7

00:45-22:15

2 stops31h 30m

฿40,249

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sat 26/7

02:35-17:06

2 stops28h 31m

Ontario

Sun 10/8

06:30-01:05

2 stops28h 35m

฿63,472

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sat 26/7

02:30-00:13

2 stops35h 43m

Ontario

Sun 10/8

12:00-13:25

2 stops35h 25m

฿63,538

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 6/6

20:55-21:11

2 stops38h 16m

Ontario

Fri 13/6

23:59-23:55

2 stops33h 56m

฿86,528

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Thu 10/7

08:05-22:57

2 stops28h 52m

Ontario

Wed 30/7

23:59-05:50

2 stops39h 51m

฿142,769

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 23/5

19:55-23:36

3 stops41h 41m

฿15,960

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 18 results
1
2

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

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

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 12 May 2025.
Read through reviews of airlines operating flights from Thailand to Ontario, such as STARLUX Airlines, Korean Air and Japan Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
Check prices

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Boarding

9.1

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Boarding

9.1

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very Good
1,071 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Boarding

9.1

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very Good
1,472 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Boarding

9.1

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very Good
732 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Boarding

9.1

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
เดลต้า
8.0
Very Good
7,950 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Boarding

9.1

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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.

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

    ฿17,426 is the cheapest one-way deal found within the past few days, from China Airlines. You may also be able to find cheap deals on STARLUX Airlines and Japan Airlines, with prices starting from ฿17,725 and ฿18,892, respectively.

  • 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 Bangkok Don Mueang Intl - Ontario or Krabi - 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

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.

Top airline flying from Thailand to Ontario

Discover the top airline 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 17,341 searches. Data last updated 12 May 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest฿27,750Average฿30,846FlexibilityNo cancel feeOn-time70%
Search China Airlines flights

Fly with Cheapflights

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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.

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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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