CA $188 Cheap Flights from Austin (AUS) to Ontario Intl. Airport (ONT)

View CA $188 flight on Thu, May 28, 2026Opens in a new window

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

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Cheap flights from Austin (AUS) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at CA $188 for one-way flights and CA $376 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Jun 25 - Fri, Jul 10
AUS
Austin
ONT
Ontario
CA $376 Roundtrip, found 1 day ago
CA $376
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jun 25 from Austin to Ontario, returning Fri, Jul 10, priced at CA $376 found 1 day ago
Delta
Sat, May 23 - Sat, Jun 6
AUS
Austin
ONT
Ontario
CA $446 Roundtrip, found 1 day ago
CA $446
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, May 23 from Austin to Ontario, returning Sat, Jun 6, priced at CA $446 found 1 day ago
American Airlines
Thu, Jun 4 - Sun, Jun 7
AUS
Austin
ONT
Ontario
CA $461 Roundtrip, found 6 days ago
CA $461
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Jun 4 from Austin to Ontario, returning Sun, Jun 7, priced at CA $461 found 6 days ago
American Airlines
Sat, May 30 - Tue, Jun 2
AUS
Austin
ONT
Ontario
CA $499 Roundtrip, found 3 days ago
CA $499
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, May 30 from Austin to Ontario, returning Tue, Jun 2, priced at CA $499 found 3 days ago
Delta
Sat, May 16 - Tue, Jun 2
AUS
Austin
ONT
Ontario
CA $513 Roundtrip, found 1 day ago
CA $513
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, May 16 from Austin to Ontario, returning Tue, Jun 2, priced at CA $513 found 1 day ago
Delta
Tue, May 26 - Sat, Jun 6
AUS
Austin
ONT
Ontario
CA $515 Roundtrip, found 1 day ago
CA $515
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, May 26 from Austin to Ontario, returning Sat, Jun 6, priced at CA $515 found 1 day ago
Delta
Thu, Jun 25 - Sun, Jun 28
AUS
Austin
ONT
Ontario
CA $519 Roundtrip, found 6 days ago
CA $519
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Jun 25 from Austin to Ontario, returning Sun, Jun 28, priced at CA $519 found 6 days ago
American Airlines
Thu, Jun 4 - Sun, Jun 7
AUS
Austin
ONT
Ontario
CA $524 Roundtrip, found 6 days ago
CA $524
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Jun 4 from Austin to Ontario, returning Sun, Jun 7, priced at CA $524 found 6 days ago
Alaska Airlines
Thu, Jun 4 - Sun, Jun 7
AUS
Austin
ONT
Ontario
CA $616 Roundtrip, found 6 days ago
CA $616
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Jun 4 from Austin to Ontario, returning Sun, Jun 7, priced at CA $616 found 6 days ago
United
Sun, May 10 - Sat, May 23
AUS
Austin
ONT
Ontario
CA $713 Roundtrip, found 1 day ago
CA $713
Roundtrip
found 1 day ago
Select United flight, departing Sun, May 10 from Austin to Ontario, returning Sat, May 23, priced at CA $713 found 1 day ago

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Los Angeles - Ontario Intl. ONT. Cheapest and Closest option available. Average driving time to city centre is 8 minutes. Flights from CA $446
ONT
Los Angeles - Ontario Intl.
CheapestClosest
Average driving time to city centre8 min
Flights from CA $446

Frequently asked questions

What is the cheapest month to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
April is typically the cheapest month to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), with average round-trip fares of approximately 798 CAD. This is about 23% lower than the average price throughout the year. April often sees lower prices as it's outside of peak holiday seasons, making it a great time to find deals. Other cheap months to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) include January and May.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Enter AUS to ONT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
To find a cheap flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The best airline to fly with from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. AS offers the most daily flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Based on booking data from the past year, the cheapest months to fly from Austin-Bergstrom Intl. (AUS) to Los Angeles - Ontario Intl. (ONT) are typically April and May, with average round-trip flights around 798 CAD. While July is the most popular month for this route, offering plenty of flight options, it's not the cheapest. If you're looking for the best value, aiming for April or May will help you save on your trip.*Prices based on flights available on Expedia in the last year.
How many flights per day from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
There are approximately 80 connecting flights per day from Austin-Bergstrom Intl. (AUS) to Los Angeles - Ontario Intl. (ONT). Some common connection points include Seattle - Tacoma Intl. (SEA), Dallas-Fort Worth Intl. (DFW), and Portland Intl. (PDX).
What is the earliest flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The earliest flight from Austin-Bergstrom Intl. (AUS) to Los Angeles - Ontario Intl. (ONT) typically departs at approximately 5:00 AM local time. This service is operated by American Airlines and runs year-round. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
You'll typically find the most flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) on a Friday, with around 76 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, United Airlines, and American Airlines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The most popular departure times for flights from Austin-Bergstrom Intl. (AUS) to Los Angeles - Ontario Intl. (ONT) are in the early morning, from 6am to 9am. About 26% of passengers prefer this time. Many major carriers, including Southwest Airlines, American Airlines and Alaska Airlines, offer flights during this window. This timing works well because you can get an early start to your travel day and arrive at your destination with plenty of time.
How long does it take to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Flying nonstop from AUS to ONT takes around 3 hours 20 minutes, with the route covering approximately 1,194 miles. Flights with a layover typically take 2 hours 40 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Select the "Business class" and "First class" filters when looking for AUS to ONT flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight with Expedia?
It's easy to earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Ontario from Austin-Bergstrom Intl. (AUS)?
If you're planning to travel to Ontario from Austin-Bergstrom Intl. (AUS), you can fly into Los Angeles - Ontario Intl. (ONT) Some flights may connect through major hubs like George Bush Intercontinental (IAH), Denver Intl. (DEN), San Diego Intl. (SAN) before reaching Ontario. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) at the last minute?
Typically, booking a last minute flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight and hotel package?
Securing a Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
If you booked your Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Ontario Intl. Airport
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
CA $376
Distance
1909 km
Average flight time
1 hour 10 mins

Book with confidence

Austin to Los Angeles Flights

The easy way to book your flights from Austin to Ontario Intl. Airport 

With Expedia, it’s simple to find and book flights to Ontario Intl. Airport from Austin whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Ontario Intl. Airport, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Austin to Ontario Intl. Airport today, tomorrow, or this week.  

 

Save dollars with cheap flights from Austin-Bergstrom Intl., AUS to Ontario Intl. Airport, ONT 

Sort your search results by price to find great deals on your flight from Austin to Ontario Intl. Airport—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario Intl. Airport from Austin currently is just CA $376 rising to CA $713.  

Here are more money-saving tips: 

  • Fly in June when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Ontario Intl. Airport  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Ontario Intl. Airport from Austin 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario Intl. Airport with Expedia today.

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