$84 Find Cheap Flights from Ontario to Austin - Compare and Save

These are the earliest and latest flight times currently scheduled from Ontario to Austin:

• Earliest: departs at 5:00 am and lands at 7:45 am
• Latest: departs at 12:30 pm and lands at 3:15 pm.

The flight takes about 2h 45m.

Three cabin classes are available on flights from Ontario to Austin:

• Economy Class
• Business Class
• First Class

A nonstop flight from Ontario to Austin takes about 2h 45m, covering 1,193 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Ontario to Austin range from $276 to $491, with an average of $374 over the past 12 months. Anything below $276 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 32% above the $374 route average. Book 14 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $276 round-trip via San Jose (SJC), compared to $486 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Boeing 737-800 variants.

Flights between Ontario and Austin typically depart in the morning.

JetBlue is typically the only airline on the Ontario to Austin route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Ontario to Austin are currently lower than usual. Average one-way flight prices are about $137, which is 40% below the typical average for this route.

Austin Bergstrom Airport (AUS) hosts 5 major car rental companies, with daily rates averaging $57 for economy cars. Top options include:

• Europcar
• Hertz
• Fox
• Thrifty
• Dollar

Flights from Ontario to Austin usually depart from Ontario (ONT) and arrive at Austin Bergstrom (AUS).

One-stop flights from Ontario to Austin most commonly connect through:

• Phoenix Sky Harbor Intl (PHX) - 37% of one-stop connections
• Denver Intl (DEN) - 34% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 12% of one-stop connections
• Salt Lake City (SLC) - 7% of one-stop connections

Yes. Flexible dates can save you up to 34% on flights from Ontario to Austin. Tuesday is the cheapest departure day at $337 round-trip on average, while Monday is the most expensive at $506, a difference of $169.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only Southwest currently operates flights between Ontario and Austin on a regular basis.

Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 4h 56m, compared with 5h 02m via Dallas Love Field (DAL) and 5h 38m via Dallas/Fort Worth (DFW).

Austin is 2 hours ahead of Ontario (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Austin are Sixth Street, University of Texas at Austin and ACL Live at The Moody Theater. These are among the most viewed places in Austin on KAYAK.

Only Southwest currently offers free seat selection on this route. Availability depends on fare class.

None of the airlines on this route currently offer extra legroom.

Here are some options for this route, based on selected ticket types and cabin classes:

• Southwest: a cabin bag in Economy Class class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

If you have a significant wait for your flight from Ontario to Austin, you may want to head over to the Aspire Lounge. For about $37 per adult, you can enjoy food and beverage services as well as have access to charging stations and free Wi-Fi. The lounge in Terminal 4 is open from around 5 am to about 6 am daily, and the one in Terminal 2 is open from about 5 am, and closing times depend on the day of the week.

Your public transport options from AUS to downtown include MetroBus 20, which you can catch from just outside the lower level of the Barbara Jordan terminal for about $2.50. There is a taxi stand outside the car rental center with fares starting around $13.80, and you can also hail a ride from services like Lyft.

If you need assistance at the airport or need to find out about your transportation options to Austin, there are information desks located by the baggage claim area near Doors B4 and B5.

Passengers who need additional assistance will find accessible facilities conveniently located across Austin International airport, including parking, restrooms, and elevators. There are videophones available, as well as raised lettering and braille signs. Walkways also have contrasting surfaces for visually impaired travelers, and there are pet relief areas for service animals.