$55+ Cheap flights from Austin to Ontario (AUS - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Austin to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.The best prices from Austin Bergstrom to Ontario are usually found in September or January, booked 43 days in advance, depart on a Tuesday or Monday and return on a Wednesday
Cheap flight deals from Austin to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $107 (Frontier) |
One-way from | $55 (Cheapflightsfares) |
Popular in | December |
Cheapest in | September |
Average price | $295 |
Find flight deals from Austin to Ontario
Cheapest flights from Austin to OntarioExplore the most affordable flight options available from Austin to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.
Explore the most affordable flight options available from Austin to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.
This Frontier deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Travelocity deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Austin to Ontario within your budget
Customize your flight search to find flights from Austin to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2025.
Fly from
Fly to
Route
Depart
Return
Price
AustinOntario
AUS - ONT
AUSONT
Austin Bergstrom
Mon 3/3
6:10 am-10:25 am
1 stop6h 15m
Ontario
Fri 3/7
12:59 am-11:43 am
1 stop8h 44m
AustinOntario
AUS - ONT
AUSONT
Austin Bergstrom
Fri 2/7
9:52 pm-7:11 am
1 stop11h 19m
Ontario
Wed 2/19
7:00 am-11:59 pm
2 stops14h 59m
AustinOntario
AUS - ONT
AUSONT
Austin Bergstrom
Thu 2/20
7:00 pm-11:53 pm
1 stop6h 53m
Ontario
Wed 3/12
6:10 am-1:27 pm
1 stop5h 17m
AustinOntario
AUS - ONT
AUSONT
Austin Bergstrom
Tue 3/4
1:26 pm-9:27 pm
1 stop10h 01m
Ontario
Wed 3/5
7:00 am-11:59 pm
2 stops14h 59m
AustinOntario
AUS - ONT
AUSONT
Austin Bergstrom
Sat 2/8
2:30 pm-3:50 pm
Nonstop3h 20m
Ontario
Tue 2/11
10:35 am-3:15 pm
Nonstop2h 40m
AustinOntario
AUS - ONT
AUSONT
Austin Bergstrom
Tue 2/25
12:14 pm-4:28 pm
1 stop6h 14m
Ontario
Wed 3/5
6:00 am-3:55 pm
1 stop7h 55m
AustinOntario
AUS - ONT
AUSONT
Austin Bergstrom
Fri 2/14
5:59 pm-9:59 pm
1 stop6h 00m
Ontario
Sun 2/16
6:00 am-1:12 pm
1 stop5h 12m
AustinOntario
AUS - ONT
AUSONT
Austin Bergstrom
Mon 3/3
6:10 am-10:25 am
1 stop6h 15m
AustinOntario
AUS - ONT
AUSONT
Austin Bergstrom
Wed 4/23
6:00 am-1:56 pm
1 stop9h 56m
AustinOntario
AUS - ONT
AUSONT
Austin Bergstrom
Wed 3/19
12:10 pm-10:45 pm
2 stops12h 35m
Compare providers for flights from Austin to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Ontario in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Austin-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Austin to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Austin with our price prediction graph.
Travel insights for flights from Austin to Ontario
Get recent, data-driven insights about flights from Austin to Ontario including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Austin to Ontario?
Use this chart to determine the optimal time to book a round-trip flight from Austin to Ontario. Price data was last updated on January 17, 2025.
To ensure you get the cheapest price possible for a flight from Austin to Ontario, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Austin to Ontario?
Currently, August is the cheapest month in which you can book a flight from Austin to Ontario (average of $246). Flying from Austin to Ontario in March is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from AUS to ONT?
Find hourly flight availability from Austin to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2025.
When flying from Austin to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 32% versus a flight at noon.
What is the cheapest day to fly from Austin to Ontario?
Use this chart to determine the cheapest time to fly round-trip from Austin to Ontario. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Austin to Ontario flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Austin to Ontario
Explore weekly flight availability from Austin to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 20, 2025.
The most flights from AUS to ONT are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
Rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.
Temperature in Ontario by month
Plan your trip to Ontario by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated January 20, 2025.
To help decide which airline to fly from Austin to Ontario, see what other customers have to say about Frontier, Alaska Airlines and Southwest. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Overall
Crew
Entertainment
Comfort
Food
Reviews
No issues. I needed pre boarding and I was able to get it without issue
Boarding
Overall
Crew
Entertainment
Comfort
Food
Reviews
No issues. I needed pre boarding and I was able to get it without issue
Boarding
Overall
Crew
Entertainment
Comfort
Food
Reviews
No issues. I needed pre boarding and I was able to get it without issue
Boarding
Overall
Crew
Entertainment
Comfort
Food
Reviews
No issues. I needed pre boarding and I was able to get it without issue
Boarding
Overall
Crew
Entertainment
Comfort
Food
Reviews
No issues. I needed pre boarding and I was able to get it without issue
Boarding
Overall
Crew
Entertainment
Comfort
Food
Reviews
No issues. I needed pre boarding and I was able to get it without issue
Related info for your journey
Find useful and relevant information for your journey from Austin to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Austin to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Austin to Ontario
Discover the top 5 airlines that operate flights from Austin to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$229 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$191 | Average$382 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$211 | Average$326 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$436 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$277 | Average$411 | FlexibilityNo cancel fee | On-time69% |