Question 1

Which is the best airline for flights from Austin to Ontario, Southwest or Delta?

Accepted Answer

The two airlines most popular with KAYAK users for flights from Austin to Ontario are Southwest and Delta. With an average price for the route of $392 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $286 and an overall rating of 7.8.

Question 2

How long does a flight from Austin to Ontario take?

Accepted Answer

There are no direct flights for this route listed on KAYAK. The shortest multi-flight duration is 2h 55m.

Question 3

How many flights are there between Austin and Ontario per day?

Accepted Answer

There is a maximum of 1 nonstop flight a day that takes off from Austin and lands in Ontario, with an average flight time of 3h 00m. The most common departure time is 4:00 pm and most flights take off in the morning. Each week, there are 6 flights.

Question 4

What is the cheapest flight from Austin to Ontario?

Accepted Answer

In the last 5 days, the lowest price for a flight from Austin to Ontario was $79 for a one-way ticket and $153 for a round-trip.

Question 5

Do I need a passport to fly between Austin and Ontario?

Accepted Answer

No, a passport isn't needed to fly from Austin to Ontario. However, local authorities might ask for an official ID.

Question 6

What’s the cheapest day of the week to fly from Austin to Ontario?

Accepted Answer

When flying from Austin to Ontario, you should consider leaving on a Monday and avoid Sundays if you are looking for the best rates. For your return to Austin, you’ll find the best rates on Tuesdays and the most expensive ones on Mondays.

Question 7

What’s the cheapest day of the week to fly from Austin to Ontario?

Accepted Answer

When flying from Austin to Ontario, you should consider leaving on a Monday and avoid Sundays if you are looking for the best rates. For your return to Austin, you’ll find the best rates on Tuesdays and the most expensive ones on Mondays.

Question 8

What’s the earliest departure time from Austin to Ontario?

Accepted Answer

Early birds can take the earliest flight from Austin at 10:50 am and will be landing in Ontario at 11:50 am.

Question 9

What’s the latest departure time from Austin to Ontario?

Accepted Answer

If you prefer to fly at night, the latest flight from Austin to Ontario jets off at 7:45 pm and lands at 8:45 pm.

Question 10

Which airlines fly non-stop between Austin and Ontario?

Accepted Answer

There are 2 airlines that fly nonstop from Austin to Ontario. They are Delta and Southwest. The cheapest airline for this route is Delta, with the best round-trip deal found costing $177. On average, the best prices for this route can be found at Delta.

Question 11

Which airlines fly non-stop between Austin and Ontario?

Accepted Answer

There are 2 airlines that fly nonstop from Austin to Ontario. They are Delta and Southwest. The cheapest airline for this route is Delta, with the best round-trip deal found costing $177. On average, the best prices for this route can be found at Delta.

Question 12

Which airlines offer Wi-Fi service onboard planes from Austin to Ontario?

Accepted Answer

Delta, Alaska Airlines, American Airlines, and JetBlue offer inflight Wi-Fi service on the Austin to Ontario flight route.

Question 13

Which aircraft models fly most regularly from Austin to Ontario?

Accepted Answer

The Boeing 737-800 is the aircraft model that flies most regularly on the Austin to Ontario flight route.

Question 14

Which airline alliances offer flights from Austin to Ontario?

Accepted Answer

SkyTeam, and oneworld are the airline alliances operating flights between Austin and Ontario, with SkyTeam being the most commonly used for this route.

Question 15

On which days can I fly direct from Austin to Ontario?

Accepted Answer

You can catch a nonstop flight from Austin to Ontario on on Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday.

Question 16

What is the cheapest month to fly from Austin to Ontario?

Accepted Answer

The cheapest month for flights from Austin to Ontario is May, where tickets cost $276 (return) on average. On the other hand, the most expensive months are December and November, where the average cost of round-trip tickets is $467 and $397 respectively.

Question 17

What is the cheapest month to fly from Austin to Ontario?

Accepted Answer

The cheapest month for flights from Austin to Ontario is May, where tickets cost $276 (return) on average. On the other hand, the most expensive months are December and November, where the average cost of round-trip tickets is $467 and $397 respectively.

Question 18

How does KAYAK find such low prices on flights from Austin to Ontario?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Austin to Ontario.

Question 19

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Austin to Ontario?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Austin is likely to change within 7 days, so travelers know whether to wait or book now.

Question 20

What is the Hacker Fare option on flights from Austin to Ontario?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Austin with another airline. Booking your flights between Austin and ONT can sometimes prove cheaper using this method.

Question 21

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Austin to Ontario?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Austin up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 22

What is the cheapest layover airport when flying from Austin to Ontario?

Accepted Answer

Flights via Houston (IAH) offer the most affordable fares, with an average round-trip price of $216.

Question 23

What is the most popular layover airport when flying from Austin to Ontario?

Accepted Answer

Phoenix (PHX) is the top choice – 54% of KAYAK users who clicked on 1-stop flights from Austin to Ontario picked an itinerary connecting there.

Question 24

Which layover airport has the quickest connection when flying from Austin to Ontario?

Accepted Answer

If you prefer a quick connection, Houston (HOU) often has the shortest layovers from Austin to Ontario, with an average of 0h 50m.

Question 25

Which layover airport offers the shortest total travel time from Austin to Ontario?

Accepted Answer

Consider flying via Phoenix (PHX) for the shortest journey. The average one-way travel time for flights connecting there is 5h 01m.

Question 26

Which cabin class options are there for flights between Austin and Ontario?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 27

Which cabin class options are there for flights between Austin and Ontario?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 28

Which airlines provide the cheapest flights from Austin to Ontario?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Austin to Ontario were found on Frontier ($153) and United Airlines ($238).

Question 29

Which airlines provide the cheapest flights from Austin to Ontario?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Austin to Ontario were found on Frontier ($153) and United Airlines ($238).

Question 30

How far in advance should I book a flight from Austin to Ontario?

Accepted Answer

To get a below average price on the flight from Austin to Ontario, you should book around 2 weeks before departure, which saves you about 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Question 31

How far in advance should I book a flight from Austin to Ontario?

Accepted Answer

To get a below average price on the flight from Austin to Ontario, you should book around 2 weeks before departure, which saves you about 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Question 32

How much is a round-trip flight from Austin to Ontario?

Accepted Answer

Flight prices are below average for this route right now.Flights to Ontario from Austin usually cost between $287 and $450 in September.
The lowest price found in the past 5 days was $153 on Frontier (Sep 15-Sep 22).

Question 33

What are the most popular airlines flying to Ontario?

Accepted Answer

The most popular airline among KAYAK users flying to Ontario is Delta, followed by Southwest and American Airlines.

Low season	June
High season	May
Cheapest flight	$79

AUS - ONT

$79 Find Cheap Flights from Austin to Ontario - Compare and Save

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Cheap Flights from Austin to Ontario (AUS-ONT)

Recent round-trip flight deals from Austin to Ontario

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KAYAK's insights & trends for Austin to Ontario flights

How much is a round-trip flight from Austin to Ontario?

What’s the cheapest day of the week to fly from Austin to Ontario?

What is the cheapest month to fly from Austin to Ontario?

How far in advance should I book a flight from Austin to Ontario?

Which airlines provide the cheapest flights from Austin to Ontario?

Which airlines fly non-stop between Austin and Ontario?

What is the most popular layover airport when flying from Austin to Ontario?

What is the cheapest layover airport when flying from Austin to Ontario?

Which layover airport offers the shortest total travel time from Austin to Ontario?

Which layover airport has the quickest connection when flying from Austin to Ontario?

Which cabin class options are there for flights between Austin and Ontario?

How long does a flight from Austin to Ontario take?

What’s the earliest departure time from Austin to Ontario?

What’s the latest departure time from Austin to Ontario?

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