Cheap Flight Tickets from Austin (AUS) to Ontario (ONT), Starting at $192

Good to Know: Cheapest and Fastest AUS - ONT Flights

Useful information for finding best airline tickets from Austin Bergstrom International to Ontario International on your next trip.

Cheapest Round Trip Flight

$192

F9 Frontier Airlines • 1 stop • 9h 9m

Aug 31 – Sep 01

The cheapest round trip flight from Austin to Ontario (AUS-ONT-AUS) is currently $192

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Cheapest Direct Flight

$697

WN Southwest Airlines • nonstop • 5h

Aug 31

The cheapest nonstop flight from Austin to Ontario (AUS-ONT) is currently $697

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Fastest Flight

5h

The fastest nonstop flight from Austin to Ontario (AUS-ONT) takes 5h

Top Airlines Flying from Austin to Ontario

Southwest Airlines-WN

Southwest Airlines

Latest Flight Deals from Austin (AUS) to Ontario (ONT)

Compare and book low fare round-trip air tickets from Austin to Ontario. Ideal for travelers with confirmed return itineraries.

Aug 31 - Sep 01, Economy
F9
Austin → Ontario
9h 9m
6:15 AM - 10:04 AM • 1 stop
F9
Austin → Ontario
25h 41m
6:00 AM - 11:41 PM • 1 stop
$192
Frontier Airlines
Aug 31 - Sep 01, Economy
F9
Austin → Ontario
8h 55m
12:47 PM - 4:22 PM • 1 stop
F9
Austin → Ontario
18h 50m
6:00 AM - 7:30 PM • 1 stop
$192
Frontier Airlines
Aug 31 - Sep 01, Economy
F9
Austin → Ontario
17h 20m
12:47 PM - 9:27 PM • 1 stop
F9
Austin → Ontario
25h 41m
6:00 AM - 11:41 PM • 1 stop
$192
Frontier Airlines
Aug 31 - Sep 01, Economy
F9
Austin → Ontario
8h 55m
8:15 PM - 11:50 PM • 1 stop
F9
Austin → Ontario
25h 41m
6:00 AM - 11:41 PM • 1 stop
$192
Frontier Airlines
Aug 31 - Sep 01, Economy
WN
Austin → Ontario
5h
11:00 AM - 12:00 PM • nonstop
WN
Austin → Ontario
4h 15m
7:30 AM - 12:25 PM • nonstop
$697
Southwest Airlines
Aug 31 - Sep 01, Economy
WN
Austin → Ontario
5h
11:00 AM - 12:00 PM • nonstop
WN
Austin → Ontario
7h 30m
6:10 AM - 1:00 PM • 1 stop
$702
Southwest Airlines

Fly from Austin to Ontario with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Austin to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Austin to Ontario Flights

What are the airports in Austin?
AUS
What’s the most popular airline flying from AUS to ONT?
The most popular airline flying from Austin to Ontario are
Can I fly from AUS to ONT non-stop?
Yes, you can fly AUS to ONT non-stop on
Which airlines fly nonstop between Austin and Ontario?
The non-stop flights between Austin and Ontario are .
What’s the earliest departure time from AUS to ONT Airport?
The earliest flight leaves AUS at 6:15 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Austin to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from AUS to ONT?
Read the fare rules of the Austin to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Austin and Ontario?
operate flights between Austin and Ontario
How long does a flight from Austin to Ontario take?
It takes approximately 3 hour to fly non-stop from AUS to ONT, which is 1196.46 miles by air.
Which airlines provide the cheapest flights from Austin (AUS) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from AUS were found on F9 : USD 192
Do I need a passport to fly between AUS and ONT?
No
What’s the latest departure time from AUS to ONT ?
The last flight leaves AUS at 8:15 pm

Austin (AUS) to Ontario (ONT): Airport Information

Origin Airport Austin Bergstrom International , Austin, US
Destination Airport Ontario International , Ontario, US
Distance 1196 miles

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