$86 Find Cheap Flights from Ontario to Austin - Compare and Save

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.

Among airlines operating Ontario to Austin flights:

• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Southwest operates flights between Ontario and Austin.

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

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 travelers should check the fare details before booking.

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

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $266 round-trip via Denver Intl (DEN), compared to $488 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.

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

• Phoenix Sky Harbor Intl (PHX) - 40% of one-stop connections
• Denver Intl (DEN) - 30% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 15% of one-stop connections
• Dallas/Fort Worth (DFW) - 5% of one-stop connections

Phoenix Sky Harbor Intl (PHX) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 45% on the Ontario to Austin route. Wednesday is the cheapest departure day at $287 round-trip on average, while Sunday is the most expensive at $521, a difference of $234. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Ontario to Austin flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

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.

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

• Earliest: departs at 5:00 am and lands at 7:47 am
• Latest: departs at 12:50 pm and lands at 3:37 pm.

The flight takes about 2h 47m.

Last-minute fares on this route - booked within 2 weeks of departure - run 29% above the route average of $366. Book 26 weeks before departure for the lowest fares.

A nonstop flight from Ontario to Austin takes 2h 47m, 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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $177 to $1,585. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from Ontario to Austin are currently lower than usual. Average one-way flight prices are about $145, which is 36% below the typical average for this route.

Flying via Houston Hobby (HOU) gives the shortest average 1-stop total travel time at 4h 57m, compared with 4h 59m via Phoenix Sky Harbor Intl (PHX) and 5h 02m via Dallas Love Field (DAL).

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

Austin Bergstrom Airport (AUS) hosts 5 major car rental companies, with daily rates starting from around $13 for economy cars. Top options include:
· Europcar
· Hertz
· Fox
· Easirent
· Thrifty

Round-trip flights from Ontario to Austin range from $274 to $488, with an average of $366 over the past 12 months. Anything below $274 counts as a good deal.