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Ontario

$63+ Cheap flights from Austin (AUS) to Ontario

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — YYZ
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Austin to Ontario

Keep the following information in mind while searching for Austin to Ontario flight deals. Data was last updated September 14, 2025.

Round-trip from

$303
(Kiwi.com)

One-way from

$63
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$645

Good round-trip deal

$645 or less

Good one-way deal

$376 or less
From Austin Bergstrom to Ontario
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One-way flight from Austin Bergstrom to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Austin Bergstrom to Ontario.
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Price to beat on a one-way flight from Austin Bergstrom to Ontario.
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Find flight deals from Austin to Ontario

Cheapest flights from Austin to Ontario
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 September 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:20 amAUS - YOW
1 stop9h 00mMultiple Airlines
Sun 10/264:15 pmYOW - AUS
1 stop19h 10mMultiple Airlines
Deal found 9/13$303
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:45 amAUS - YUL
1 stop8h 25mMultiple Airlines
Mon 11/104:35 pmYUL - AUS
1 stop17h 55mMultiple Airlines
Deal found 9/12$320
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:45 amAUS - YUL
1 stop8h 25mMultiple Airlines
Thu 12/118:00 amYUL - AUS
1 stop13h 41mMultiple Airlines
Deal found 9/12$322
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:20 amAUS - YOW
2 stops40h 22mMultiple Airlines
Fri 11/74:20 pmYOW - AUS
1 stop18h 10mMultiple Airlines
Deal found 9/12$326
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:20 amAUS - YTZ
2 stops14h 03mMultiple Airlines
Tue 11/47:40 pmYTZ - AUS
1 stop25h 03mMultiple Airlines
Deal found 9/13$329
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:58 amAUS - YUL
1 stop28h 27mMultiple Airlines
Wed 10/296:45 amYUL - AUS
2 stops16h 00mMultiple Airlines
Deal found 9/13$329
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:45 amAUS - YUL
1 stop8h 25mMultiple Airlines
Mon 11/176:45 amYUL - AUS
2 stops17h 27mMultiple Airlines
Deal found 9/13$330
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/273:01 pmAUS - YOW
1 stop25h 12mMultiple Airlines
Mon 11/34:15 pmYOW - AUS
1 stop30h 30mMultiple Airlines
Deal found 9/12$331
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:35 pmAUS - YYZ
2 stops24h 46mMultiple Airlines
Tue 9/306:30 amYYZ - AUS
1 stop16h 09mMultiple Airlines
Deal found 9/12$331
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:45 amAUS - YYZ
1 stop14h 10mMultiple Airlines
Sun 9/286:30 amYYZ - AUS
1 stop17h 32mMultiple Airlines
Deal found 9/13$332
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:57 pmAUS - YYZ
2 stops49h 53mMultiple Airlines
Mon 10/206:30 amYYZ - AUS
1 stop11h 29mMultiple Airlines
Deal found 9/13$333
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/273:26 pmAUS - YYZ
2 stops13h 54mMultiple Airlines
Mon 12/15:15 pmYYZ - AUS
1 stop17h 15mMultiple Airlines
Deal found 9/12$334

Cheapflights Fare Finder

 
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 September 14, 2025.
Use the filters below to find and compare flights from Austin to Ontario that are best for you.

Fly from

Austin

Fly to

Ontario

Route

Depart

Return

Price

AustinOttawa

AUS - YOW

AUSYOW

Austin Bergstrom

Fri 10/24

7:20 am-5:20 pm

1 stop9h 00m

Ottawa

Sun 10/26

4:15 pm-10:25 am

1 stop19h 10m

$303

AustinMontreal

AUS - YUL

AUSYUL

Austin Bergstrom

Fri 11/7

5:45 am-12:43 am

2 stops17h 58m

Montreal Pierre Elliott Trudeau Intl

Mon 11/10

4:35 pm-9:30 am

1 stop17h 55m

$321

AustinMontreal

AUS - YUL

AUSYUL

Austin Bergstrom

Tue 10/28

7:20 am-3:10 pm

1 stop30h 50m

Montreal Pierre Elliott Trudeau Intl

Thu 10/30

6:45 am-8:51 am

2 stops27h 06m

$329

AustinOttawa

AUS - YOW

AUSYOW

Austin Bergstrom

Mon 10/27

3:01 pm-5:13 pm

1 stop25h 12m

Ottawa

Mon 11/3

4:15 pm-9:45 pm

1 stop30h 30m

$331

AustinToronto

AUS - YTZ

AUSYTZ

Austin Bergstrom

Thu 10/16

12:12 pm-9:20 pm

1 stop8h 08m

Toronto Island

Mon 10/20

12:00 pm-9:45 pm

2 stops34h 45m

$344

AustinMontreal

AUS - YUL

AUSYUL

Austin Bergstrom

Mon 10/27

11:30 am-3:10 pm

1 stop26h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 11/3

6:45 am-4:59 pm

1 stop11h 14m

$353

AustinMontreal

AUS - YUL

AUSYUL

Austin Bergstrom

Fri 10/24

9:56 am-2:20 pm

1 stop27h 24m

Montreal Pierre Elliott Trudeau Intl

Sun 10/26

6:45 am-4:59 pm

2 stops11h 14m

$353

AustinToronto

AUS - YYZ

AUSYYZ

Austin Bergstrom

Fri 9/26

5:45 am-11:52 pm

1 stop17h 07m

Toronto Pearson Intl

Sun 9/28

4:00 pm-11:32 pm

2 stops32h 32m

$353

AustinMontreal

AUS - YUL

AUSYUL

Austin Bergstrom

Wed 12/10

10:35 am-10:45 pm

2 stops11h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:00 am-11:12 pm

1 stop16h 12m

$354

AustinToronto

AUS - YTZ

AUSYTZ

Austin Bergstrom

Mon 10/27

6:02 pm-10:35 am

2 stops15h 33m

Toronto Island

Mon 11/3

7:40 pm-11:17 am

1 stop16h 37m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 52 results
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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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Austin to Ontario

What is the cheapest month to book a flight from Austin to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Austin to Region of Ontario (average of $243). Flying from Austin to Region of Ontario in August is currently the most expensive (average of $348). 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 ON?

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 September 14, 2025.

When flying from Austin to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Austin to Region of 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 September 14, 2025.

The most flights from AUS to CAON are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Austin to Region of Ontario?

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 September 14, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Austin to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,956 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What airport do you fly from for flights from Austin to Ontario?

    Located just 7.5 mi from the city center, Austin Bergstrom (AUS) is the airport most travelers will use when flying to Ontario from Austin.

  • How long is the flight from Austin to Region of Ontario?

    A quick flight from Austin to Region of Ontario can take about 19h 16m. United Airlines provides one of the quickest options available for as low as $811. Airlines will cover a distance of 1450 mi.

  • What are the most popular routes from Austin to Region of Ontario?

    While some choose either Austin Bergstrom - Montreal Pierre Elliott Trudeau Intl or Austin Bergstrom - Toronto Island, Austin Bergstrom - Toronto Pearson Intl is the most popular route from Austin to Region of Ontario.

  • What are the most reliable airlines from Austin to Region of Ontario?

    The top 3 most reliable airlines when flying from Austin to Region of Ontario are United Airlines (55%), Air Canada (51%) and Air Canada Rouge (44%).

  • What are the cheapest flights from Austin to Region of Ontario?

    Looking at all options, your cheapest flight can be booked for $328. While the most popular route (Austin Bergstrom - Toronto Pearson Intl) can be booked for $204 on average, our data indicates $1,069 when flying from Austin to Region of Ontario.

  • Can I find deals for flights from Austin to Ontario that include hotel bookings?

    Yes. In addition to deals on Austin to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Ontario.

  • Can I find deals for business class flights from Austin to Ontario?

    Yes. Cheapflights offers flight deals from Austin to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Austin to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Austin to Region of Ontario (average of $243). Flying from Austin to Region of Ontario in August is currently the most expensive (average of $348). 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.

See more FAQs

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Alternative routes for Austin to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Austin to Ontario

Discover the top 4 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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$215Average$619FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$253Average$928FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$261Average$750FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$390Average$651FlexibilityNo cancel feeOn-time71%

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