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$486+ Cheap flights from Suvarnabhumi (BKK) 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ONT
févr. 26 — mars 51
jeu. 2/26
jeu. 3/5
1 adult, Economy
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Cheap flight deals from Suvarnabhumi to Ontario

Cheapest flights from Suvarnabhumi to Ontario
Explore the most affordable flight options available from Suvarnabhumi to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 27, 2026.

This iWofly deal was found by Cheapflights users on 1/27. 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.
lun. 4/2010:50 am
BKK
-
ONT
1 stop21h 10m
China Airlines
ven. 5/112:10 am
ONT
-
BKK
1 stop19h 35m
China Airlines
Deal found 1/27$791
This China Airlines deal was found by Cheapflights users on 1/26. 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. 4/1310:50 am
BKK
-
ONT
1 stop21h 10m
China Airlines
ven. 4/2412:10 am
ONT
-
BKK
1 stop19h 35m
China Airlines
Deal found 1/26$793
This iWofly deal was found by Cheapflights users on 1/24. 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.
dim. 4/195:30 pm
BKK
-
ONT
1 stop38h 30m
China Airlines
sam. 7/2512:45 am
ONT
-
BKK
1 stop19h 00m
China Airlines
Deal found 1/24$797
This China Airlines deal was found by Cheapflights users on 1/27. 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.
mer. 4/81:20 pm
BKK
-
ONT
1 stop18h 40m
China Airlines
ven. 5/112:10 am
ONT
-
BKK
1 stop22h 00m
China Airlines
Deal found 1/27$798
This China Airlines deal was found by Cheapflights users on 1/27. 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.
ven. 5/291:20 pm
BKK
-
ONT
1 stop18h 40m
China Airlines
mar. 6/212:10 am
ONT
-
BKK
1 stop19h 35m
China Airlines
Deal found 1/27$800
This China Airlines deal was found by Cheapflights users on 1/26. 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.
dim. 3/2210:55 am
BKK
-
ONT
1 stop20h 55m
China Airlines
sam. 4/412:10 am
ONT
-
BKK
1 stop35h 15m
China Airlines
Deal found 1/26$802
This iWofly deal was found by Cheapflights users on 1/25. 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.
sam. 6/2010:50 am
BKK
-
ONT
1 stop21h 10m
China Airlines
lun. 7/2712:45 am
ONT
-
BKK
1 stop21h 25m
China Airlines
Deal found 1/25$803
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 3/122:05 pm
BKK
-
ONT
1 stop17h 45m
China Airlines
dim. 10/412:10 am
ONT
-
BKK
1 stop22h 00m
China Airlines
Deal found 1/26$806
This China Airlines deal was found by Cheapflights users on 1/25. 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.
dim. 4/195:30 pm
BKK
-
ONT
1 stop38h 30m
China Airlines
lun. 6/2912:10 am
ONT
-
BKK
1 stop19h 35m
China Airlines
Deal found 1/25$807
This iWofly deal was found by Cheapflights users on 1/27. 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.
sam. 6/2010:50 am
BKK
-
ONT
1 stop21h 10m
Multiple Airlines
mar. 7/287:00 am
ONT
-
BKK
2 stops24h 45m
Multiple Airlines
Deal found 1/27$814
This iWofly deal was found by Cheapflights users on 1/24. 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.
dim. 4/195:30 pm
BKK
-
ONT
1 stop38h 30m
Multiple Airlines
dim. 7/267:00 am
ONT
-
BKK
2 stops24h 45m
Multiple Airlines
Deal found 1/24$829

Find flight deals from Suvarnabhumi to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Suvarnabhumi (BKK) 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 janvier 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$793
(China Airlines)

One-way from

$486
(China Airlines)

Popular in

July

Cheapest in

March

Average price

$897
Provider with most accurate pricing for Bangkok Suvarnabhumi-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bangkok Suvarnabhumi-Ontario flights.
Search Deals
From Bangkok Suvarnabhumi to Ontario
Search Deals
One-way flight from Bangkok Suvarnabhumi to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 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 Suvarnabhumi 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 janvier 27, 2026.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Ontario that are best for you.

Fly from

Suvarnabhumi

Fly to

Ontario

Route

Depart

Return

Price

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

mer. 5/6

1:20 pm-6:00 pm

1 stop18h 40m

Ontario

dim. 5/31

12:10 am-9:45 am

1 stop19h 35m

$793

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

lun. 4/13

10:50 am-6:00 pm

1 stop21h 10m

Ontario

ven. 4/24

12:10 am-9:45 am

1 stop19h 35m

$793

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

dim. 3/22

5:50 pm-5:50 pm

1 stop38h 00m

Ontario

sam. 4/4

12:10 am-9:45 am

1 stop19h 35m

$805

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

sam. 4/25

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

dim. 6/28

12:10 am-9:45 am

1 stop19h 35m

$807

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

lun. 4/20

10:50 am-6:00 pm

1 stop21h 10m

Ontario

jeu. 7/2

12:45 am-4:20 pm

1 stop25h 35m

$807

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

sam. 4/25

1:20 pm-6:00 pm

1 stop18h 40m

Ontario

mar. 6/30

12:45 am-9:45 am

1 stop19h 00m

$807

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

ven. 4/24

10:50 am-6:00 pm

1 stop21h 10m

Ontario

sam. 6/27

12:10 am-12:10 pm

1 stop22h 00m

$807

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

jeu. 4/23

10:50 am-6:00 pm

1 stop21h 10m

Ontario

mer. 7/1

12:45 am-4:20 pm

1 stop25h 35m

$807

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

mer. 4/22

1:20 pm-6:00 pm

1 stop18h 40m

Ontario

jeu. 7/2

12:45 am-4:20 pm

1 stop25h 35m

$807

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

sam. 4/25

10:50 am-6:00 pm

1 stop21h 10m

Ontario

ven. 7/3

12:45 am-12:10 pm

1 stop21h 25m

$807

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 24 results
1
2
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  • Most accurate provider: When it comes to deals on Bangkok Suvarnabhumi Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bangkok Suvarnabhumi Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bangkok Suvarnabhumi Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bangkok Suvarnabhumi Airport-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bangkok Suvarnabhumi Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Suvarnabhumi to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Suvarnabhumi 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 Bangkok Suvarnabhumi Airport to Ontario

What is the cheapest month to book a flight from Bangkok Suvarnabhumi Airport to Ontario?

Currently, September is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Ontario (average of $588). Flying from Bangkok Suvarnabhumi Airport 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 janvier 27, 2026.
See what other customers who have flown with STARLUX Airlines and China Airlines from Bangkok Suvarnabhumi Airport to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
268 reviews

Overall

8.9

Comfort

8.8

Boarding

8.9

Entertainment

8.8

Crew

9.1

Food

8.6

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

Overall

8.9

Comfort

8.8

Boarding

8.9

Entertainment

8.8

Crew

9.1

Food

8.6

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
802 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Overall

8.9

Comfort

8.8

Boarding

8.9

Entertainment

8.8

Crew

9.1

Food

8.6

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 Suvarnabhumi 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 Bangkok Suvarnabhumi?

    Ontario (ONT) is the airport you will fly into if you book a flight from Bangkok Suvarnabhumi to Ontario. You should not have trouble finding flights to Ontario from Bangkok Suvarnabhumi; the airport handles an average of 0 inbound flights from Bangkok Suvarnabhumi per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Ontario airport from Bangkok Suvarnabhumi. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

  • How long is the flight from Bangkok Suvarnabhumi Airport to Ontario?

    A quick flight from Bangkok Suvarnabhumi Airport to Ontario can take about 18h 40m. China Airlines provides one of the quickest options available for as low as $793. The distance from Bangkok Suvarnabhumi Airport to Ontario is about 8280 mi.

  • What are the cheapest airlines flying from Bangkok Suvarnabhumi Airport to Ontario round-trip?

    China Airlines, at $735, was found to be the cheapest airline from Bangkok Suvarnabhumi Airport to Ontario. An alternate airline flying to your destination would be STARLUX Airlines. You may be able to fly from Bangkok Suvarnabhumi Airport to Ontario for 15% less than the average price by searching for these airlines.

  • Can I find deals for flights from Suvarnabhumi to Ontario that include hotel bookings?

    Yes. In addition to deals on Suvarnabhumi to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Suvarnabhumi to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Suvarnabhumi to Ontario.

  • Can I find deals for business class flights from Suvarnabhumi to Ontario?

    Yes. Cheapflights offers flight deals from Suvarnabhumi 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 Bangkok Suvarnabhumi Airport to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Ontario (average of $588). Flying from Bangkok Suvarnabhumi Airport 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

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 2 airlines flying from Suvarnabhumi to Ontario

Discover the top 2 airlines that operate flights from Suvarnabhumi 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 janvier 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$735Average$960FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$738Average$850FlexibilityNo cancel feeOn-timeN/A

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