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Cheap flights from Thailand to Ontario from ฿15,072

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ONT
25 Jan — 1 Feb1
1 adult

Cheap flight deals from Thailand to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Thailand (TH0) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 January 2025.

Round-trip from

฿28,178

One-way from

฿15,072
China Airlines
  • China Airlines
  • 10/3-23/3
  • 2 total stops
  • 61h 20m total
  • Thailand to Ontario
Search Deals
29/4
  • 29/4
  • 2 total stops
  • 49h 17m total
  • Thailand to Ontario
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 20 January 2025.

Mon 10/317:50BKK - ONT
1 stop38h 00mChina Airlines
Sun 23/323:45ONT - BKK
1 stop23h 20mChina Airlines
Deal found 20/1฿28,178
Tue 18/207:10BKK - ONT
2 stops22h 19mUnited Airlines
Tue 25/219:40ONT - BKK
2 stops42h 30mUnited Airlines
Deal found 19/1฿30,144
Sat 11/1015:10BKK - ONT
2 stops33h 29mMultiple Airlines
Mon 20/1018:55ONT - BKK
2 stops26h 35mMultiple Airlines
Deal found 18/1฿34,800
Sat 9/810:20KBV - ONT
2 stops46h 20mChina Airlines
Fri 15/800:45ONT - KBV
2 stops42h 55mChina Airlines
Deal found 19/1฿42,630
Mon 27/101:00BKK - ONT
2 stops29h 25mKorean Air
Mon 3/306:00ONT - BKK
2 stops24h 30mKorean Air
Deal found 19/1฿45,803
Fri 2/502:45BKK - ONT
2 stops57h 37mเอทิฮัดแอร์เวย์
Sat 10/523:37ONT - BKK
2 stops34h 18mเอทิฮัดแอร์เวย์
Deal found 19/1฿88,467
Thu 13/207:55DMK - ONT
2 stops23h 55mMultiple Airlines
Fri 28/222:45ONT - DMK
1 stop24h 10mMultiple Airlines
Deal found 20/1฿93,744
Sat 25/101:00BKK - ONT
2 stops36h 32mเดลต้า
Fri 7/206:00ONT - BKK
2 stops40h 15mเดลต้า
Deal found 19/1฿132,028
Sun 26/122:05BKK - ONT
2 stops32h 06mJapan Airlines
Tue 11/206:00ONT - BKK
2 stops26h 35mJapan Airlines
Deal found 19/1฿136,856

Find flights from Thailand to Ontario within your budget

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 20 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Mon 10/3

17:50-17:50

1 stop38h 00m

Ontario

Sun 23/3

23:45-13:05

1 stop23h 20m

฿28,178

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Tue 18/2

07:10-14:29

2 stops22h 19m

Ontario

Tue 25/2

19:40-05:10

2 stops42h 30m

฿30,144

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 4/4

13:20-18:00

1 stop18h 40m

Ontario

Fri 18/4

08:26-21:10

2 stops46h 44m

฿37,249

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 4/4

09:50-22:23

2 stops50h 33m

Ontario

Tue 15/4

05:40-21:45

2 stops26h 05m

฿55,218

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 2/5

02:45-22:22

2 stops57h 37m

Ontario

Sat 10/5

23:37-23:55

2 stops34h 18m

฿88,467

BangkokOntario

DMK - ONT

DMKONT

Bangkok Don Mueang Intl

Thu 13/2

07:55-16:50

2 stops23h 55m

Ontario

Fri 28/2

22:45-13:55

1 stop24h 10m

฿93,744

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Wed 12/2

01:00-22:32

2 stops36h 32m

Ontario

Fri 28/2

06:00-00:45

2 stops27h 45m

฿132,545

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sun 6/4

08:05-18:23

2 stops24h 18m

Ontario

Tue 15/4

06:00-23:00

2 stops27h 00m

฿216,425

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sun 8/6

02:30-18:17

2 stops29h 47m

Ontario

Wed 2/7

12:50-07:05

2 stops28h 15m

฿244,569

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sun 6/4

22:55-18:20

2 stops33h 25m

Ontario

Tue 15/4

23:59-15:55

2 stops49h 56m

฿476,548

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 23 results
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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.

Travel insights for flights from Thailand to Ontario

Get recent, data-driven insights about flights from Thailand to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from TH to ONT?

Find hourly flight availability from Thailand to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 January 2025.

When flying from Thailand to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 20 January 2025.
Read through reviews of airlines operating flights from Thailand to Ontario, such as United Airlines, Korean Air and เดลต้า. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very Good
1,039 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very Good
1,449 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.2
Very Good
737 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

เดลต้า
8.0
Very Good
8,521 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Qatar Airways
7.5
Good
3,754 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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?

    ฿17,211 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 Japan Airlines and United Airlines, with prices starting from ฿21,142 and ฿21,591, 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

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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 20 January 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest฿29,858Average฿34,277FlexibilityNo cancel feeOn-time70%
Search China Airlines flights