Cheap Flight Tickets from Austin (AUS) to Ontario (ONT), Starting at $157

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

$244

AA American Airlines • 1 stop • 10h 47m

Sep 19 – Sep 22

The cheapest round trip flight from Austin to Ontario (AUS-ONT-AUS) is currently $244

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Cheapest One way Flight

$157

AS Alaska Airlines • nonstop • 5h 14m

Sep 24

The cheapest one way flight from Austin to Ontario (AUS-ONT) is currently $157

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Cheapest Direct Flight

$422

DL Delta Airlines • nonstop • 5h 13m

Sep 22

The cheapest nonstop flight from Austin to Ontario (AUS-ONT) is currently $422

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Fastest Flight

5h 13m

The fastest nonstop flight from Austin to Ontario (AUS-ONT) takes 5h 13m

Top Airlines Flying from Austin to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska 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.

Sep 19 - Sep 22, Economy
AA
Austin → Ontario
10h 47m
7:00 AM - 11:47 AM • 1 stop
AA
Austin → Ontario
7h 18m
1:04 PM - 7:42 PM • 1 stop
$244
American Airlines
Sep 19 - Sep 22, Economy
AA
Austin → Ontario
11h 42m
5:35 PM - 10:37 PM • 1 stop
AA
Austin → Ontario
7h 18m
1:04 PM - 7:42 PM • 1 stop
$244
American Airlines
Sep 22 - Sep 22, Economy
AA
Austin → Ontario
8h 49m
6:00 AM - 9:29 AM • 1 stop
AA
Austin → Ontario
7h 18m
1:04 PM - 7:42 PM • 1 stop
$308
American Airlines
Sep 19 - Sep 22, Economy
WN
Austin → Ontario
8h 30m
2:15 PM - 5:25 PM • 1 stop
WN
Austin → Ontario
7h 10m
8:35 AM - 3:05 PM • 1 stop
$435
Southwest Airlines
Sep 19 - Sep 22, Economy
WN
Austin → Ontario
12h 10m
3:25 PM - 8:55 PM • 1 stop
WN
Austin → Ontario
7h 10m
3:35 PM - 10:05 PM • 1 stop
$435
Southwest Airlines
Sep 19 - Sep 22, Economy
WN
Austin → Ontario
8h 35m
4:50 PM - 8:05 PM • 1 stop
WN
Austin → Ontario
10h 25m
6:40 AM - 3:05 PM • 1 stop
$435
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 6:00 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 AS : USD 157
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 8:40 pm

Essential Information for Booking Flights from Austin (AUS) - AI Insights

What's the cheapest airline from aus to ont?
Frontier Airlines offers cheap flights from Austin to Ontario with a low fare guarantee. For a one-way trip, you can find budget-friendly flights with Frontier Airlines. Book in advance to get the best airfare deals.
What's the popular airline to fly from aus to ont?
Southwest Airlines offers affordable flights from Austin (aus) to Ontario (ont) with a one-way trip, suitable for 2 passengers traveling in economy. Booking in advance can help secure the best airfares. Low fares are available for this route, making it a budget-friendly option for travelers.
What's the cheapest day of the week to fly from aus to ont?
The cheapest day to fly from Austin to Ontario is Saturday. Flying on Saturdays can result in lower fares compared to other days of the week. For a budget-friendly option, consider booking your flight at least 10 days in advance to secure the best Low Fares. You can also look for Savings on airfare by flying during off-peak seasons like November or October.
What's the cheapest month to fly from aus to ont?
The cheapest month to fly from Austin to Ontario is October, which is a popular time to travel in the United States. You can find budget-friendly flights from Austin to Ontario in October, making it an ideal time for a one-way trip. Low fares are available on this route during this month, with airlines offering savings on airfare.
Which airline/airlines fly from aus to ont?
Frontier Airlines and American Airlines offer flights from Austin to Ontario. You can find more airlines with airfares and cheap flights on our website. Book your airfare in advance to get the best savings.
What is the cheapest airline to fly from Austin Bergstrom International Airport to Ontario International Airport?
Frontier Airlines (F9) offers the cheapest airfare for this route.
How far in advance can I book my flight for the best airfare?
It is recommended to book your flight at least 10 days in advance to get the best airfare prices.
Can I find flights with the latest airfare prices on your website?
Yes, our website provides the latest airfare prices for all airlines.
What is the process for booking a one-way flight on your airline?
To book a one-way flight, simply select your travel dates and destinations on our website.
Are there any discounts or promotions available for weekend flights?
Yes, we offer discounts for weekend flights, especially during October.
How do I look for the best airfare deals on your website?
Use our search filters to find the best airfare deals, and consider booking a flight on a Saturday for the cheapest option.
Can I book my flight for a specific travel date in July?
Yes, you can book your flight for a specific travel date in July, but be aware that prices may vary.

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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