CA $215 Cheap Flights from Austin (AUS) to Ontario Intl. Airport (ONT)

You can find one-way and return flights from AUS to ONT 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 AUS to ONT ticket fares go up or down.

If you're looking for the cheapest time to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario Intl. Airport (ONT), April is typically your best bet! You can expect average return flights to be around CA$456 during this month. April often sees lower prices because it's just before the peak summer travel season, when demand starts to pick up. Other budget-friendly months to consider for this route include January and May.

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

Airport (ONT), with tickets starting from around CA$177. Airport (ONT), 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario Intl. Frontier Airlines offers one of the cheapest connecting return flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario Intl. These prices are per adult for economy/coach class. 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario Intl. Airport (ONT), 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario Intl. Airport (ONT) 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario Intl. Airport (ONT), 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.

If you're looking for the best value to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario Intl. Airport (ONT), April and May are typically the cheapest months, with average return flights around CA$456. While July is the most popular month for this route, offering plenty of flight options, it's not the cheapest. For a good balance of price and availability, focusing on the spring months of April and May will likely give you the best experience.

There are approximately 82 connecting flights per day from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario Intl. Airport (ONT). Some common connection points include Seattle - Tacoma Intl. (SEA), Dallas-Fort Worth Intl. (DFW), and Portland Intl. (PDX).

The earliest flight from Austin-Bergstrom Intl. (AUS) to Ontario Intl. Airport (ONT) typically departs around 5:00 AM local time. This flight is operated by American Airlines and is available year-round. Choosing an early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Austin-Bergstrom Intl. (AUS) to Ontario Intl. Airport (ONT) on a Friday, with around 79 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, United, and American Airlines. Flight options are notably more plentiful on Fridays compared to other days of the week, offering you greater flexibility.

The most popular departure times for flights from Austin-Bergstrom Intl. (AUS) to Ontario Intl. Airport (ONT) are in the early morning, from 6am to 9am. Many major carriers, including Southwest Airlines, American Airlines and Alaska Airlines, offer flights during this window. Many travellers prefer these times because they allow for an early start to their day at their destination.

A non-stop flight from Austin-Bergstrom Intl. (AUS) to Ontario Intl. Airport (ONT) typically takes around 3 hours. This route covers a distance of approximately 1,922 kilometers. If you opt for a one-stop flight, your travel time will be longer, usually around 5 hours 48 minutes. Flights with two or more stops will take even longer, averaging about 8 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.

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

You can fly business class with Frontier Airlines and Delta.

First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.

It's easy to earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario Intl. Airport (ONT) 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 Ontario from Austin-Bergstrom Intl. (AUS), you can fly directly into Los Angeles - Ontario Intl. (ONT) which offers international flights and connections. Some flights may connect through major hubs like George Bush Intercontinental (IAH), San Diego Intl. (SAN), or Denver Intl. (DEN) before reaching Ontario. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario Intl. Airport (ONT) 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario Intl. Airport (ONT) 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Ontario Intl. Airport (ONT) 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.