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Ontario

$536+ Cheap flights from Thailand to Ontario (ONT)

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ONT
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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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 December 18, 2024.

Round-trip from

$874
(United Airlines)

One-way from

$536
(China Airlines)
From Thailand to Ontario
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One-way flight from Thailand to Ontario
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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 December 18, 2024.

This United Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:10 amBKK - ONT
2 stops25h 43mUnited Airlines
Tue 1/76:15 amONT - BKK
2 stops31h 55mUnited Airlines
Deal found 12/18$976
This EaseMyTrip deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/212:35 amBKK - ONT
1 stop29h 15mChina Airlines
Sun 1/510:45 pmONT - BKK
1 stop20h 05mChina Airlines
Deal found 12/18$1,239
This ANA deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/267:10 amBKK - ONT
2 stops21h 06mMultiple Airlines
Fri 1/36:00 amONT - BKK
2 stops27h 05mMultiple Airlines
Deal found 12/17$2,967
This Qatar Airways deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/293:00 amBKK - ONT
2 stops29h 09mQatar Airways
Thu 5/1512:50 pmONT - BKK
2 stops28h 15mQatar Airways
Deal found 12/18$11,580

Find flights from Thailand to Ontario within your budget

Customize 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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Wed 4/23

9:35 am-8:21 pm

2 stops24h 46m

Ontario

Tue 5/6

6:00 am-4:35 am

2 stops32h 35m

$874

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sat 5/10

2:40 am-6:00 pm

1 stop29h 20m

Ontario

Sat 5/17

12:10 am-9:45 am

1 stop19h 35m

$884

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Thu 2/6

9:25 am-8:29 pm

2 stops26h 04m

Ontario

Sat 2/22

6:00 am-9:30 pm

2 stops24h 30m

$1,252

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Mon 2/17

8:05 am-6:26 pm

3 stops25h 21m

Ontario

Wed 3/12

6:00 am-5:05 am

2 stops33h 05m

$1,323

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sun 2/16

1:00 am-3:25 pm

2 stops29h 25m

Ontario

Wed 3/12

5:15 pm-11:20 pm

2 stops40h 05m

$1,329

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Mon 3/17

8:05 am-6:19 pm

2 stops24h 14m

Ontario

Tue 3/25

6:00 am-11:35 pm

2 stops27h 35m

$3,842

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Mon 4/7

8:40 am-6:23 pm

2 stops47h 43m

Ontario

Thu 9/4

6:00 am-7:05 am

2 stops35h 05m

$6,948

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sun 1/5

10:55 pm-6:33 pm

2 stops34h 38m

Ontario

Sat 2/8

4:25 pm-4:10 pm

2 stops32h 45m

$8,697

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sat 5/10

2:35 am-10:22 pm

2 stops33h 47m

Ontario

Sun 5/18

11:37 pm-12:25 am

2 stops34h 48m

$9,244

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Mon 12/23

10:55 am-4:50 pm

1 stop20h 55m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 19 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 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.

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 month to book a flight from Thailand to Ontario?

Currently, September is the cheapest month in which you can book a flight from Thailand to Ontario (average of $236). Flying from Thailand to Ontario in December is currently the most expensive (average of $298). 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.

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 December 18, 2024.

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 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

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 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 December 18, 2024.
Get a feel of what it's like to fly with China Airlines and United Airlines from Thailand to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,018 reviews

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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
8.4
Very good
1,018 reviews
Korean Air
8.4
Very good
1,018 reviews

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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
1,443 reviews
Korean Air
8.4
Very good
1,018 reviews

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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
8.3
Very good
754 reviews
Korean Air
8.4
Very good
1,018 reviews

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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.

Delta
8.0
Very good
8,604 reviews
Korean Air
8.4
Very good
1,018 reviews

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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
3,798 reviews
Korean Air
8.4
Very good
1,018 reviews

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Thailand. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    The cheapest airlines for a one-way flight from Thailand to Ontario are China Airlines ($536), United Airlines ($630), and Japan Airlines ($634).

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

    Most travelers choose Bangkok Suvarnabhumi - Ontario, Bangkok Don Mueang Intl - Ontario or Krabi - Ontario when deciding on the best route from Thailand to 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 vacation 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, September is the cheapest month in which you can book a flight from Thailand to Ontario (average of $236). Flying from Thailand to Ontario in December is currently the most expensive (average of $298). 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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Alternative routes for Thailand to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$878Average$952FlexibilityNo cancel feeOn-time70%
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