CA $96 Cheap Flights from Ontario Intl. Airport (ONT) to Austin (AUS)

You can find one-way and return flights from ONT to AUS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ONT to AUS ticket fares go up or down.

April is typically the cheapest month to fly from Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.), with average return fares around CA$470. April often sees lower prices as it's outside of peak holiday travel seasons, leading to less demand. Other budget-friendly months to consider for your trip include August and October.

Only one airline offers direct flights from Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.). Southwest Airlines operates 7 direct flights from Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.) every week.

Frontier Airlines offers one of the cheapest connecting return flights on this route, with tickets starting from around CA$177. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.), with tickets starting from around CA$446 for flights that can be booked for departure within the next year. Southwest Airlines is one of the cheapest airlines offering nonstop return flights from Ontario Intl. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.) will differ from traveler to traveler. If you like to fly early, Southwest Airlines offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

There are approximately 55 connecting flights per day from Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.). Some common connection points include Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), and Sky Harbor Intl. (PHX).

The earliest flight from Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.) typically departs around 12:55 AM local time. This flight is operated by American Airlines. Please note that this is a seasonal service, active only in August. An early departure like this can be great for maximizing your time in Austin. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.) on a Sunday, with around 53 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, American Airlines, and Alaska Airlines. Flight schedules are fairly consistent throughout the week, with Sunday offering only slightly more options compared to other days.

The most popular departure times for flights from Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.) are in the early morning, from 6am to 9am. Many major carriers, including Southwest Airlines, American Airlines and United, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day.

When flying from Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.), you have a few options. A nonstop flight typically takes around 2 hours 48 minutes, covering a distance of approximately 1,922 kilometers. If you opt for a one-stop flight, your travel time will be longer, usually around 6 hours. Flights with two or more stops generally take about 12 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.

Yes, you can fly business or first class between Ontario Intl. Airport (ONT) and Austin, TX (AUS-Austin-Bergstrom Intl.).

Airlines that offer business class service on this route include:

• Frontier Airlines
• Delta

First class cabins are available on:

• Alaska Airlines
• Delta
• United
• American Airlines

It's easy to earn miles on a Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Austin from Los Angeles - Ontario Intl. (ONT), you can fly directly into Austin-Bergstrom Intl. (AUS). Some flights may connect through major hubs like Sky Harbor Intl. (PHX), San Francisco Intl. (SFO), or Harry Reid International Airport (LAS) before reaching Austin. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Ontario Intl. Airport (ONT) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.