฿5,175 Cheap Flights from Ontario (ONT) to Austin (AUS)

View ฿5,175 flight on Mon, 24 Nov 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Austin-Bergstrom International Airport (AUS)

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Cheap Flights from Ontario (ONT) to Austin (AUS)

Prices were available within the past 7 days and start at ฿5,175 for one-way flights and ฿8,430 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 19 Jan - Mon, 9 Feb
ONT
Ontario
AUS
Austin
฿8,430 Return, found 1 day ago
฿8,430
Return
found 1 day ago
Select American Airlines flight, departing Mon, 19 Jan from Ontario to Austin, returning Mon, 9 Feb, priced at ฿8,430 found 1 day ago
American Airlines
Mon, 15 Dec - Tue, 30 Dec
ONT
Ontario
AUS
Austin
฿10,185 Return, found 1 day ago
฿10,185
Return
found 1 day ago
Select American Airlines flight, departing Mon, 15 Dec from Ontario to Austin, returning Tue, 30 Dec, priced at ฿10,185 found 1 day ago
Delta
Sun, 14 Dec - Fri, 19 Dec
ONT
Ontario
AUS
Austin
฿15,165 Return, found 1 day ago
฿15,165
Return
found 1 day ago
Select Delta flight, departing Sun, 14 Dec from Ontario to Austin, returning Fri, 19 Dec, priced at ฿15,165 found 1 day ago
Delta
Sun, 14 Dec - Fri, 19 Dec
ONT
Ontario
AUS
Austin
฿15,350 Return, found 1 day ago
฿15,350
Return
found 1 day ago
Select Delta flight, departing Sun, 14 Dec from Ontario to Austin, returning Fri, 19 Dec, priced at ฿15,350 found 1 day ago
Delta
Sun, 14 Dec - Fri, 19 Dec
ONT
Ontario
AUS
Austin
฿16,495 Return, found 1 day ago
฿16,495
Return
found 1 day ago
Select Delta flight, departing Sun, 14 Dec from Ontario to Austin, returning Fri, 19 Dec, priced at ฿16,495 found 1 day ago
Delta
Sun, 14 Dec - Fri, 19 Dec
ONT
Ontario
AUS
Austin
฿16,985 Return, found 1 day ago
฿16,985
Return
found 1 day ago
Select Delta flight, departing Sun, 14 Dec from Ontario to Austin, returning Fri, 19 Dec, priced at ฿16,985 found 1 day ago
Delta
Sun, 14 Dec - Fri, 19 Dec
ONT
Ontario
AUS
Austin
฿17,170 Return, found 1 day ago
฿17,170
Return
found 1 day ago
Select Delta flight, departing Sun, 14 Dec from Ontario to Austin, returning Fri, 19 Dec, priced at ฿17,170 found 1 day ago
United
Sun, 14 Dec - Fri, 19 Dec
ONT
Ontario
AUS
Austin
฿17,595 Return, found 1 day ago
฿17,595
Return
found 1 day ago
Select United flight, departing Sun, 14 Dec from Ontario to Austin, returning Fri, 19 Dec, priced at ฿17,595 found 1 day ago
American Airlines
Sun, 14 Dec - Fri, 19 Dec
ONT
Ontario
AUS
Austin
฿17,790 Return, found 1 day ago
฿17,790
Return
found 1 day ago
Select American Airlines flight, departing Sun, 14 Dec from Ontario to Austin, returning Fri, 19 Dec, priced at ฿17,790 found 1 day ago
United
Sun, 14 Dec - Fri, 19 Dec
ONT
Ontario
AUS
Austin
฿17,790 Return, found 1 day ago
฿17,790
Return
found 1 day ago
Select United flight, departing Sun, 14 Dec from Ontario to Austin, returning Fri, 19 Dec, priced at ฿17,790 found 1 day ago

Find the cheapest month to fly from Ontario (ONT) to Austin (AUS)

April is typically the cheapest month to fly

From ฿3,699 - ฿14,867 per traveller.
Flight from Ontario to Austin route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
American Airlines
Return price
฿8,430
Distance
1909 km
Average flight time
6 hours 33 mins

Perfect flights from Ontario to Austin

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Ontario to Austin. 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 Los Angeles - Ontario Intl. to Austin-Bergstrom Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿5,175 and roundtrip prices from ฿8,430. 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 Austin-Bergstrom Intl. 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 Austin.

Frequently asked questions

How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to Austin-Bergstrom Intl. Airport (AUS)?
Pack your bags, because round-trip journeys between Los Angeles - Ontario Intl. Airport (ONT) and AUS start from ฿8,430. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book today to get 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 Los Angeles - Ontario Intl. Airport (ONT) to Austin–Bergstrom International Airport?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to Austin–Bergstrom International Airport 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 Ontario Airport to Austin–Bergstrom International Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to Austin–Bergstrom International Airport?
It's around 1,900 kilometres from Los Angeles - Ontario Intl. Airport (ONT) to Austin–Bergstrom International Airport, so you'll be in your seat for a while. Keep yourself entertained by packing things like a magazine or a thrilling novel.
Which airlines fly direct from Ontario Airport to Austin-Bergstrom Intl. Airport (AUS)?
Southwest Airlines (WN) will fly you from Los Angeles - Ontario Intl. Airport (ONT) to Austin-Bergstrom Intl. Airport (AUS) comfortably and safely. Choose from 30 flights each month on this route.
Are ONT to Austin–Bergstrom International Airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Ontario Airport to AUS are available up to a year before departure on Expedia. And although you may nab great last-minute deal, it's never something you can count on. Also, booking your flights well in advance means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

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