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$450+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ONT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$841
(oojo)

One-way from

$450
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$872
Provider with most accurate pricing for Bangkok Suvarnabhumi-Ontario flight deals.
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Provider most trusted by Cheapflights users for Bangkok Suvarnabhumi-Ontario flights.
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From Bangkok Suvarnabhumi to Ontario
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One-way flight from Bangkok Suvarnabhumi to Ontario
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Highest demand for flights based on searches. 5% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/191:10 pmBKK - ONT
1 stop17h 55mSTARLUX Airlines
Wed 9/2411:10 pmONT - BKK
1 stop27h 30mSTARLUX Airlines
Deal found 2/20$770
This Gotogate deal was found by Cheapflights users on 2/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/710:55 amBKK - ONT
1 stop20h 55mChina Airlines
Sun 3/2311:45 pmONT - BKK
1 stop23h 20mChina Airlines
Deal found 2/19$842
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/309:35 amBKK - ONT
2 stops40h 49mUnited Airlines
Wed 9/106:27 pmONT - BKK
2 stops44h 08mUnited Airlines
Deal found 2/20$882
This Kissandfly.com deal was found by Cheapflights users on 2/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/72:05 pmBKK - ONT
1 stop17h 45mMultiple Airlines
Sun 3/236:00 amONT - BKK
2 stops33h 55mMultiple Airlines
Deal found 2/20$1,028
This Korean Air deal was found by Cheapflights users on 2/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/172:35 amBKK - ONT
2 stops28h 47mKorean Air
Wed 7/27:00 amONT - BKK
2 stops24h 45mKorean Air
Deal found 2/19$1,345
This Qatar Airways deal was found by Cheapflights users on 2/20. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/52:00 amBKK - ONT
2 stops31h 19mQatar Airways
Thu 3/1311:57 amONT - BKK
2 stops28h 43mQatar Airways
Deal found 2/20$1,945
This British Airways deal was found by Cheapflights users on 2/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/710:55 pmBKK - ONT
2 stops35h 02mBritish Airways
Sun 3/234:30 pmONT - BKK
2 stops33h 40mBritish Airways
Deal found 2/20$2,195
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/298:05 amBKK - ONT
2 stops29h 28mAmerican Airlines
Sat 7/1212:57 amONT - BKK
2 stops32h 03mAmerican Airlines
Deal found 2/19$2,196
This StudentUniverse deal was found by Cheapflights users on 2/18. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/102:55 amBKK - ONT
2 stops32h 27mEtihad Airways
Sun 5/1810:40 pmONT - BKK
2 stops35h 15mEtihad Airways
Deal found 2/18$2,651

Find flights from Suvarnabhumi to Ontario within your budget

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 February 20, 2025.

Fly from

Suvarnabhumi

Fly to

Ontario

Route

Depart

Return

Price

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Tue 6/10

5:50 pm-5:05 pm

1 stop37h 15m

Ontario

Sat 7/12

11:45 pm-4:40 pm

1 stop26h 55m

$841

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 3/7

10:55 am-4:50 pm

1 stop20h 55m

Ontario

Sun 3/23

11:45 pm-1:05 pm

1 stop23h 20m

$842

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Wed 4/30

9:35 am-12:24 pm

2 stops40h 49m

Ontario

Wed 9/10

6:27 pm-4:35 am

2 stops44h 08m

$882

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 3/7

2:05 pm-4:50 pm

1 stop17h 45m

Ontario

Sun 3/23

6:00 am-5:55 am

2 stops33h 55m

$1,028

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Tue 6/17

2:35 am-5:22 pm

2 stops28h 47m

Ontario

Wed 7/2

7:00 am-9:45 pm

2 stops24h 45m

$1,345

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Wed 3/5

2:00 am-6:19 pm

2 stops31h 19m

Ontario

Thu 3/13

11:57 am-6:40 am

2 stops28h 43m

$1,945

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Fri 3/7

10:55 pm-6:57 pm

2 stops35h 02m

Ontario

Sun 3/23

4:30 pm-4:10 pm

2 stops33h 40m

$2,195

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sun 6/29

8:05 am-11:33 pm

2 stops29h 28m

Ontario

Sat 7/12

12:57 am-11:00 pm

2 stops32h 03m

$2,196

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Sat 5/10

2:55 am-9:22 pm

2 stops32h 27m

Ontario

Sun 5/18

10:40 pm-11:55 pm

2 stops35h 15m

$2,651

BangkokOntario

BKK - ONT

BKKONT

Bangkok Suvarnabhumi

Wed 6/4

8:20 pm-9:54 am

3 stops51h 34m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 19 results
1
2

Compare providers for flights from Suvarnabhumi to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Suvarnabhumi to Ontario in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
oojoPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.

Travel insights for flights from Suvarnabhumi to Ontario

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

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 $315). 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 BKK to ONT?

Find hourly flight availability from Suvarnabhumi 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 February 20, 2025.

One of the essential ways to save on airfare from Bangkok Suvarnabhumi Airport to Ontario is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 8% on airfare.

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 February 20, 2025.
Read reviews from past customers who have flown STARLUX Airlines, Korean Air and China Airlines from Bangkok to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Boarding

9.1

Overall

9.1

Comfort

9.0

Food

9.0

Crew

9.3

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines
9.1
Wonderful
140 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Boarding

9.1

Overall

9.1

Comfort

9.0

Food

9.0

Crew

9.3

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Korean Air
8.4
Very good
1,037 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Boarding

9.1

Overall

9.1

Comfort

9.0

Food

9.0

Crew

9.3

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

China Airlines
8.2
Very good
727 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Boarding

9.1

Overall

9.1

Comfort

9.0

Food

9.0

Crew

9.3

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Delta
8.0
Very good
8,219 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Boarding

9.1

Overall

9.1

Comfort

9.0

Food

9.0

Crew

9.3

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Qatar Airways
7.4
Good
3,613 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Boarding

9.1

Overall

9.1

Comfort

9.0

Food

9.0

Crew

9.3

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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 1 airline has flights to the Ontario airport from Bangkok Suvarnabhumi. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

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

    STARLUX Airlines, at $841, was found to be the cheapest airline from Bangkok Suvarnabhumi Airport to Ontario.Alternate airlines to your destination round-trip include China Airlines and United Airlines. You may be able to fly from Bangkok Suvarnabhumi Airport to Ontario for 13% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Bangkok Suvarnabhumi Airport to Ontario one-way?

    $501 is the cheapest one-way deal found within the past few days, from STARLUX Airlines. You may also be able to find cheap deals on China Airlines and United Airlines, with prices starting from $513 and $639, respectively.

  • 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 $315). 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 airline flying from Suvarnabhumi to Ontario

Discover the top airline 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$872Average$940FlexibilityNo cancel feeOn-time70%
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