฿18,085 Cheap Flights from Bangkok (BKK) to Ontario Intl. Airport (ONT)

View ฿18,085 flight on Sat, 6 Jun 2026Opens in a new window

Flight 1

Popular airlines from Suvarnabhumi International Airport (BKK) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Bangkok (BKK) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at ฿18,085 for one-way flights and ฿30,290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

STARLUX Airlines
Sat, 6 Jun - Fri, 17 Jul
BKK
Bangkok
ONT
Ontario
฿30,290 Return, found 6 days ago
฿30,290
Return
found 6 days ago
Select STARLUX Airlines flight, departing Sat, 6 Jun from Bangkok to Ontario, returning Fri, 17 Jul, priced at ฿30,290 found 6 days ago
China Airlines
Tue, 16 Jun - Sat, 20 Jun
BKK
Bangkok
ONT
Ontario
฿31,110 Return, found 4 hours ago
฿31,110
Return
found 4 hours ago
Select China Airlines flight, departing Tue, 16 Jun from Bangkok to Ontario, returning Sat, 20 Jun, priced at ฿31,110 found 4 hours ago
STARLUX Airlines
Mon, 11 May - Mon, 31 Aug
BKK
Bangkok
ONT
Ontario
฿31,290 Return, found 4 days ago
฿31,290
Return
found 4 days ago
Select STARLUX Airlines flight, departing Mon, 11 May from Bangkok to Ontario, returning Mon, 31 Aug, priced at ฿31,290 found 4 days ago
United
Tue, 16 Jun - Mon, 6 Jul
BKK
Bangkok
ONT
Ontario
฿31,310 Return, found 4 hours ago
฿31,310
Return
found 4 hours ago
Select United flight, departing Tue, 16 Jun from Bangkok to Ontario, returning Mon, 6 Jul, priced at ฿31,310 found 4 hours ago
China Airlines
Thu, 10 Sept - Thu, 17 Sept
BKK
Bangkok
ONT
Ontario
฿31,355 Return, found 4 days ago
฿31,355
Return
found 4 days ago
Select China Airlines flight, departing Thu, 10 Sept from Bangkok to Ontario, returning Thu, 17 Sept, priced at ฿31,355 found 4 days ago
United
Mon, 15 Jun - Mon, 6 Jul
BKK
Bangkok
ONT
Ontario
฿31,410 Return, found 4 hours ago
฿31,410
Return
found 4 hours ago
Select United flight, departing Mon, 15 Jun from Bangkok to Ontario, returning Mon, 6 Jul, priced at ฿31,410 found 4 hours ago
United
Tue, 25 Aug - Mon, 25 Jan
BKK
Bangkok
ONT
Ontario
฿31,440 Return, found 9 hours ago
฿31,440
Return
found 9 hours ago
Select United flight, departing Tue, 25 Aug from Bangkok to Ontario, returning Mon, 25 Jan, priced at ฿31,440 found 9 hours ago
STARLUX Airlines
Fri, 19 Jun - Mon, 6 Jul
BKK
Bangkok
ONT
Ontario
฿31,445 Return, found 4 hours ago
฿31,445
Return
found 4 hours ago
Select STARLUX Airlines flight, departing Fri, 19 Jun from Bangkok to Ontario, returning Mon, 6 Jul, priced at ฿31,445 found 4 hours ago
All Nippon Airways
Thu, 10 Sept - Thu, 17 Sept
BKK
Bangkok
ONT
Ontario
฿31,910 Return, found 4 days ago
฿31,910
Return
found 4 days ago
Select All Nippon Airways flight, departing Thu, 10 Sept from Bangkok to Ontario, returning Thu, 17 Sept, priced at ฿31,910 found 4 days ago
Qatar Airways
Tue, 23 Jun - Tue, 30 Jun
BKK
Bangkok
ONT
Ontario
฿41,885 Return, found 4 hours ago
฿41,885
Return
found 4 hours ago
Select Qatar Airways flight, departing Tue, 23 Jun from Bangkok to Ontario, returning Tue, 30 Jun, priced at ฿41,885 found 4 hours ago

Frequently asked questions

How much is a flight from Bangkok Airport to Los Angeles - Ontario Intl. Airport (ONT)?
Pack your bags, because round-trip flights between BKK and Los Angeles - Ontario Intl. Airport (ONT) start from ฿30,290. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Suvarnabhumi Airport to Ontario Airport?
Most flights can be cancelled online, but each airline has different terms and conditions. If you do need to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Suvarnabhumi Intl. Airport (BKK) to Los Angeles - Ontario Intl. Airport (ONT) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Bangkok Airport to ONT flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BKK to Ontario Airport?
With around 13,300 kilometres separating Suvarnabhumi Intl. Airport (BKK) and Ontario Airport, your flight will be a long one. Pack wisely and make your time on board more comfortable. Little things like an eye mask and a quality travel pillow can make a big difference.
Which airlines fly direct from Suvarnabhumi Intl. Airport (BKK) to Ontario Airport?
Flying nonstop between Bangkok Airport and Los Angeles - Ontario Intl. Airport (ONT) isn't possible at present. However, you'll still be able to book a flight to Ontario with at least one stop.
Are Suvarnabhumi Intl. Airport (BKK) to ONT flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up a great last-minute deal from Bangkok Airport to Los Angeles - Ontario Intl. Airport (ONT), but it's also possible to miss out entirely! As many airlines release prices up to a year in advance, it's worth keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares air carrier prices and updates flight deals regularly, so you can feel confident knowing you're always seeing the latest offers.

Travel information

Origin airport
Suvarnabhumi Intl.
Destination airport
Ontario Intl. Airport
Airlines serving
Air France, American Airlines, China Airlines, Delta, Etihad Airways, Japan Airlines, KLM, Korean Air, Qatar Airways, Turkish Airlines, United
Return price
฿30,290
Distance
13255 km

Book with confidence

Perfect flights from Bangkok to Ontario Intl. Airport

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Bangkok to Ontario Intl. Airport. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Suvarnabhumi Intl. to Ontario Intl. Airport ticket options cater to your travel preferences, with incredible one-way fares from ฿18,085 and roundtrip prices from ฿30,290. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Ontario Intl. Airport and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Ontario Intl. Airport.
Perfect flights from Bangkok to Ontario Intl. Airport
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