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Ontario

$482+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ONT
feb. 19 — feb. 261
jue. 2/19
jue. 2/26
1 adult, Economy
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Cheap 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 enero 20, 2026.

This iWofly deal was found by Cheapflights users on 1/19. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/181:20 pm
BKK
-
ONT
1 stop18h 40m
Multiple Airlines
mar. 4/287:30 am
ONT
-
BKK
2 stops26h 10m
Multiple Airlines
Deal found 1/19$784
This iWofly deal was found by Cheapflights users on 1/19. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/205:30 pm
BKK
-
ONT
1 stop38h 30m
China Airlines
lun. 7/2712:45 am
ONT
-
BKK
1 stop21h 25m
China Airlines
Deal found 1/19$789
This China Airlines deal was found by Cheapflights users on 1/19. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/135:30 pm
BKK
-
ONT
1 stop38h 30m
China Airlines
vie. 4/2412:10 am
ONT
-
BKK
1 stop22h 00m
China Airlines
Deal found 1/19$791
This China Airlines deal was found by Cheapflights users on 1/20. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/62:35 am
BKK
-
ONT
1 stop29h 15m
China Airlines
mié. 3/410:50 pm
ONT
-
BKK
1 stop20h 00m
China Airlines
Deal found 1/20$792
This China Airlines deal was found by Cheapflights users on 1/20. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/1210:55 am
BKK
-
ONT
1 stop20h 55m
China Airlines
dom. 10/1112:10 am
ONT
-
BKK
1 stop22h 00m
China Airlines
Deal found 1/20$794
This China Airlines deal was found by Cheapflights users on 1/19. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/141:20 pm
BKK
-
ONT
1 stop18h 40m
China Airlines
mar. 11/1710:50 pm
ONT
-
BKK
1 stop23h 15m
China Airlines
Deal found 1/19$796
This China Airlines deal was found by Cheapflights users on 1/19. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/145:30 pm
BKK
-
ONT
1 stop38h 30m
China Airlines
lun. 12/1410:50 pm
ONT
-
BKK
1 stop23h 15m
China Airlines
Deal found 1/19$797
This TeaFlight deal was found by Cheapflights users on 1/19. 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 TeaFlight is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/102:05 pm
BKK
-
ONT
1 stop17h 45m
China Airlines
lun. 2/1610:50 pm
ONT
-
BKK
1 stop20h 00m
China Airlines
Deal found 1/19$798
This China Airlines deal was found by Cheapflights users on 1/19. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/111:20 pm
BKK
-
ONT
1 stop19h 20m
China Airlines
lun. 9/1412:45 am
ONT
-
BKK
1 stop19h 00m
China Airlines
Deal found 1/19$799
This iWofly deal was found by Cheapflights users on 1/20. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/161:20 pm
BKK
-
ONT
1 stop18h 40m
Multiple Airlines
mar. 7/217:00 am
ONT
-
BKK
2 stops24h 45m
Multiple Airlines
Deal found 1/20$824
This iWofly deal was found by Cheapflights users on 1/19. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/2010:50 am
BKK
-
ONT
1 stop21h 10m
Multiple Airlines
mar. 7/287:00 am
ONT
-
BKK
2 stops26h 25m
Multiple Airlines
Deal found 1/19$851
This iWofly deal was found by Cheapflights users on 1/20. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/222:35 am
BKK
-
ONT
1 stop29h 15m
China Airlines
dom. 1/2510:50 pm
ONT
-
BKK
1 stop23h 15m
China Airlines
Deal found 1/20$854

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 enero 20, 2026.

Round-trip from

$784
(iWofly)

One-way from

$482
(iWofly)

Popular in

July

Cheapest in

September

Average price

$862
From Thailand to Ontario
Search Deals
One-way flight from Thailand to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
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 enero 20, 2026.
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

lun. 4/13

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

vie. 4/24

12:10 am-12:10 pm

1 stop22h 00m

$791

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

sáb. 2/7

2:35 am-4:50 pm

1 stop29h 15m

Ontario

mar. 3/3

10:50 pm-1:35 am

1 stop35h 45m

$792

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

sáb. 2/7

2:35 am-4:50 pm

1 stop29h 15m

Ontario

mié. 3/4

10:50 pm-4:45 pm

1 stop26h 55m

$792

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

sáb. 2/28

2:05 pm-4:50 pm

1 stop17h 45m

Ontario

vie. 4/3

12:10 am-4:20 pm

1 stop26h 10m

$859

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

sáb. 2/28

2:05 pm-4:50 pm

1 stop17h 45m

Ontario

lun. 3/30

12:10 am-4:20 pm

1 stop26h 10m

$859

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

vie. 2/27

5:50 pm-4:50 pm

1 stop38h 00m

Ontario

mar. 3/31

12:10 am-4:20 pm

1 stop26h 10m

$897

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

mar. 2/24

2:35 am-4:50 pm

1 stop29h 15m

Ontario

dom. 3/29

12:10 am-9:45 am

1 stop19h 35m

$903

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

mar. 2/24

2:35 am-4:50 pm

1 stop29h 15m

Ontario

lun. 3/30

12:10 am-12:10 pm

1 stop22h 00m

$903

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

jue. 2/26

2:05 pm-4:50 pm

1 stop17h 45m

Ontario

mar. 3/31

12:10 am-4:20 pm

1 stop26h 10m

$903

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

mar. 2/24

2:35 am-4:50 pm

1 stop29h 15m

Ontario

vie. 4/3

12:10 am-9:45 am

1 stop19h 35m

$903

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 35 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.

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, September is the cheapest month in which you can book a flight from Thailand to Ontario (average of $588). Flying from Thailand to Ontario in July is currently the most expensive (average of $741). 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.

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 enero 20, 2026.
Read reviews from past customers who have flown STARLUX Airlines and China Airlines from Thailand to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Boarding

8.9

Food

8.6

Entertainment

8.8

Crew

9.1

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very good
268 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Boarding

8.9

Food

8.6

Entertainment

8.8

Crew

9.1

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
China Airlines
8.3
Very good
799 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Boarding

8.9

Food

8.6

Entertainment

8.8

Crew

9.1

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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.

  • How long is the flight from Thailand to Ontario?

    A quick flight from Thailand to Ontario can take about 38h 30m. China Airlines provides one of the quickest options available for as low as $791. There are 8280 mi between Thailand and Ontario.

  • 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 $588). Flying from Thailand to Ontario in July is currently the most expensive (average of $741). 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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Top 2 airlines flying from Thailand to Ontario

Discover the top 2 airlines 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 enero 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$735Average$960FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$743Average$856FlexibilityNo cancel feeOn-timeN/A

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