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$456+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ONT
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap 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 septiembre 11, 2025.

Round-trip from

$781
(oojo)

One-way from

$456
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$882
From Bangkok Suvarnabhumi to Ontario
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One-way flight from Bangkok Suvarnabhumi to Ontario
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 septiembre 11, 2025.

This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/145:50 pmBKK - ONT
1 stop37h 15mSTARLUX Airlines
vie. 11/149:45 pmONT - BKK
1 stop27h 45mSTARLUX Airlines
Deal found 9/11$781
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/95:50 pmBKK - ONT
1 stop37h 15mSTARLUX Airlines
vie. 10/2411:10 pmONT - BKK
1 stop23h 25mSTARLUX Airlines
Deal found 9/11$795
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/135:40 pmBKK - ONT
1 stop37h 50mSTARLUX Airlines
sáb. 11/229:45 pmONT - BKK
1 stop27h 45mSTARLUX Airlines
Deal found 9/10$808
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/201:10 pmBKK - ONT
1 stop17h 55mSTARLUX Airlines
lun. 1/129:45 pmONT - BKK
1 stop23h 50mSTARLUX Airlines
Deal found 9/10$819
This TeaFlight deal was found by Cheapflights users on 9/10. 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.
vie. 10/31:10 pmBKK - ONT
1 stop17h 55mSTARLUX Airlines
vie. 10/1711:10 pmONT - BKK
1 stop27h 30mSTARLUX Airlines
Deal found 9/10$832
This Trip.com deal was found by Cheapflights users on 9/11. 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.
jue. 10/91:20 pmBKK - ONT
1 stop18h 40mChina Airlines
jue. 10/2312:10 amONT - BKK
1 stop22h 00mChina Airlines
Deal found 9/11$848
This China Airlines deal was found by Cheapflights users on 9/10. 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.
sáb. 9/202:40 amBKK - ONT
1 stop29h 20mChina Airlines
dom. 10/512:10 amONT - BKK
1 stop19h 35mChina Airlines
Deal found 9/10$858
This China Airlines deal was found by Cheapflights users on 9/11. 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. 10/132:40 amBKK - ONT
1 stop29h 20mChina Airlines
vie. 11/1410:50 pmONT - BKK
1 stop23h 15mChina Airlines
Deal found 9/11$861
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1310:50 amBKK - ONT
1 stop21h 50mChina Airlines
vie. 9/1912:10 amONT - BKK
1 stop26h 10mChina Airlines
Deal found 9/10$862
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/112:05 pmBKK - ONT
1 stop17h 45mChina Airlines
jue. 3/2611:50 pmONT - BKK
1 stop20h 00mChina Airlines
Deal found 9/10$863
This TeaFlight deal was found by Cheapflights users on 9/10. 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.
jue. 10/22:40 amBKK - ONT
1 stop29h 20mChina Airlines
jue. 10/1612:10 amONT - BKK
1 stop26h 10mChina Airlines
Deal found 9/10$865
This Trip.com deal was found by Cheapflights users on 9/10. 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.
dom. 10/192:40 amBKK - ONT
1 stop29h 20mChina Airlines
lun. 1/1210:50 pmONT - BKK
1 stop23h 15mChina Airlines
Deal found 9/10$872

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 septiembre 11, 2025.
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

jue. 12/11

5:40 pm-4:30 pm

1 stop37h 50m

Ontario

mié. 1/14

9:45 pm-12:35 pm

1 stop23h 50m

$808

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

jue. 11/13

5:40 pm-4:30 pm

1 stop37h 50m

Ontario

sáb. 11/22

9:45 pm-4:30 pm

1 stop27h 45m

$808

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

sáb. 10/18

1:20 pm-6:00 pm

1 stop18h 40m

Ontario

dom. 11/16

10:50 pm-9:50 am

1 stop20h 00m

$858

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

mié. 10/22

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

vie. 11/14

10:50 pm-1:05 pm

1 stop23h 15m

$858

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

dom. 9/21

10:50 am-6:00 pm

1 stop21h 10m

Ontario

dom. 10/5

12:10 am-4:20 pm

1 stop26h 10m

$858

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

sáb. 10/25

2:35 am-5:50 pm

1 stop29h 15m

Ontario

dom. 11/2

10:50 pm-4:45 pm

1 stop26h 55m

$861

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

lun. 10/13

2:40 am-6:00 pm

1 stop29h 20m

Ontario

vie. 11/14

10:50 pm-1:05 pm

1 stop23h 15m

$861

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

jue. 12/11

2:05 pm-4:50 pm

1 stop17h 45m

Ontario

jue. 3/26

11:50 pm-9:50 am

1 stop20h 00m

$863

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

jue. 10/2

2:40 am-6:00 pm

1 stop29h 20m

Ontario

jue. 10/16

12:10 am-4:20 pm

1 stop26h 10m

$865

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

dom. 9/21

5:50 pm-5:05 pm

1 stop37h 15m

Ontario

lun. 10/6

11:10 pm-4:40 pm

1 stop27h 30m

$875

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
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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, August is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Ontario (average of $246). Flying from Bangkok Suvarnabhumi Airport to Ontario in March is currently the most expensive (average of $328). 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.

How much does it cost to fly round-trip from Bangkok Suvarnabhumi Airport to Ontario?

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 septiembre 11, 2025.
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
211 reviews

Entertainment

8.9

Crew

9.2

Boarding

9.0

Comfort

8.9

Overall

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
8.9
Very good
211 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Entertainment

8.9

Crew

9.2

Boarding

9.0

Comfort

8.9

Overall

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
767 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Entertainment

8.9

Crew

9.2

Boarding

9.0

Comfort

8.9

Overall

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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. STARLUX Airlines provides one of the quickest options available for as low as $858. The distance from Bangkok Suvarnabhumi Airport to Ontario is about 8280 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    STARLUX Airlines, at $771, was found to be the cheapest airline from Bangkok Suvarnabhumi Airport to Ontario. An alternate airline flying to your destination would be China Airlines. You may be able to fly from Bangkok Suvarnabhumi Airport to Ontario for 19% 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, August is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Ontario (average of $246). Flying from Bangkok Suvarnabhumi Airport to Ontario in March is currently the most expensive (average of $328). 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$771Average$911FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$828Average$995FlexibilityNo cancel feeOn-time70%

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