HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Austin

$138+ Cheap flights from Ontario to Austin (AUS)

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — AUS
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Austin 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.

Cheap flight deals from Ontario to Austin

Cheapest flights from Ontario to Austin
Explore the most affordable flight options available from Ontario to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.

This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:55 pm
YYZ
-
AUS
Nonstop3h 30m
Air Transat
Tue 8/254:25 pm
AUS
-
YYZ
Nonstop3h 25m
Air Transat
Deal found 7/26$225
This Gotogate deal was found by Cheapflights users on 7/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:55 pm
YYZ
-
AUS
Nonstop3h 30m
Porter Airlines
Fri 8/284:25 pm
AUS
-
YYZ
Nonstop3h 25m
Porter Airlines
Deal found 7/26$230
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:55 pm
YYZ
-
AUS
Nonstop3h 30m
Porter Airlines
Thu 8/274:25 pm
AUS
-
YYZ
Nonstop3h 25m
Porter Airlines
Deal found 7/29$238
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:55 pm
YYZ
-
AUS
Nonstop3h 30m
Porter Airlines
Sun 8/234:25 pm
AUS
-
YYZ
Nonstop3h 25m
Porter Airlines
Deal found 7/26$244
This Air Canada deal was found by Cheapflights users on 7/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:15 am
YYZ
-
AUS
Nonstop3h 30m
Air Canada
Tue 8/2510:25 am
AUS
-
YYZ
1 stop8h 36m
Air Canada
Deal found 7/26$252
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:00 pm
YYZ
-
AUS
1 stop9h 12m
Air Canada
Wed 8/2611:40 am
AUS
-
YYZ
Nonstop3h 27m
Air Canada
Deal found 7/29$253
This Trip.com deal was found by Cheapflights users on 7/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:00 pm
YYZ
-
AUS
1 stop9h 12m
Air Canada
Fri 8/2811:40 am
AUS
-
YYZ
Nonstop3h 27m
Air Canada
Deal found 7/25$258
This FlightHub deal was found by Cheapflights users on 7/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:40 am
YOW
-
AUS
1 stop7h 45m
Porter Airlines
Tue 9/84:25 pm
AUS
-
YOW
1 stop7h 00m
Porter Airlines
Deal found 7/28$436
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/317:00 am
YOW
-
AUS
2 stops34h 39m
Multiple Airlines
Thu 9/1010:58 am
AUS
-
YOW
1 stop26h 35m
Multiple Airlines
Deal found 7/28$441
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:40 pm
YUL
-
AUS
Nonstop4h 15m
Air Canada
Sun 11/112:05 pm
AUS
-
YUL
1 stop8h 30m
Air Canada
Deal found 7/29$444
This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:40 am
YOW
-
AUS
1 stop7h 45m
Porter Airlines
Tue 9/84:25 pm
AUS
-
YOW
1 stop7h 00m
Porter Airlines
Deal found 7/25$446
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 9/47:00 am
YOW
-
AUS
2 stops34h 39m
Multiple Airlines
Thu 9/1010:58 am
AUS
-
YOW
1 stop26h 35m
Multiple Airlines
Deal found 7/28$448

Find flight deals from Ontario to Austin

Keep the following information in mind while searching for Ontario to Austin flight deals. Data was last updated July 30, 2026.

Round-trip from

$225
(FlightHub)

One-way from

$138
(FlightHub)

Popular in

January

Cheapest in

August

Average price

$295

Good round-trip deal

$214 or less

Good one-way deal

$208 or less
From Ontario to Austin Bergstrom
Search Deals
One-way flight from Ontario to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($171 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Austin Bergstrom.
Search Deals
Price to beat on a one-way flight from Ontario to Austin Bergstrom.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Austin 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 July 30, 2026.
Use the filters below to find and compare flights from Ontario to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Tue 8/25

1:38 pm-10:52 pm

1 stop10h 14m

Austin Bergstrom

Thu 8/27

1:34 pm-9:59 pm

1 stop7h 25m

$274

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Tue 8/18

2:45 pm-11:14 pm

2 stops9h 29m

Austin Bergstrom

Sat 8/22

4:55 pm-11:54 pm

1 stop5h 59m

$293

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Thu 8/20

7:00 am-1:58 pm

1 stop7h 58m

Austin Bergstrom

Fri 8/28

11:40 am-4:07 pm

Nonstop3h 27m

$294
Quickest round-trip

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Sun 8/23

7:00 am-11:49 am

1 stop5h 49m

Austin Bergstrom

Mon 8/24

11:40 am-4:07 pm

Nonstop3h 27m

$299

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Fri 8/28

7:00 am-4:24 pm

1 stop10h 24m

Austin Bergstrom

Sun 8/30

11:40 am-4:07 pm

Nonstop3h 27m

$327

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Sat 8/29

7:00 am-3:26 pm

2 stops9h 26m

Austin Bergstrom

Tue 9/8

2:24 pm-11:59 pm

2 stops8h 35m

$348

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Mon 8/31

6:10 am-10:55 am

1 stop5h 45m

Austin Bergstrom

Thu 9/10

3:48 pm-11:59 pm

1 stop7h 11m

$348

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Tue 8/18

2:45 pm-11:14 pm

2 stops9h 29m

Austin Bergstrom

Fri 8/21

1:00 pm-11:59 pm

1 stop9h 59m

$367

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Thu 9/3

6:00 am-12:29 pm

1 stop7h 29m

Austin Bergstrom

Tue 9/8

5:07 pm-11:59 pm

1 stop5h 52m

$386

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Wed 9/9

10:15 am-5:55 pm

2 stops8h 40m

Austin Bergstrom

Wed 9/30

4:17 pm-10:36 pm

1 stop5h 19m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Ontario to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Ontario 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 Ontario to Austin

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

Currently, July is the cheapest month in which you can book a flight from Region of Ontario to Austin (average of $306). Flying from Region of Ontario to Austin in December is currently the most expensive (average of $621). 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 ON to AUS?

Find hourly flight availability from Ontario to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2026.

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

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

Airfare is below average for this route at the moment.
Region of Ontario to Austin flights typically cost between $260 and $655 in August.
The cheapest round-trip price found within the last 5 days was $225 on Air Transat (Aug 20-Aug 25).

How far ahead should I book a flight from Region of Ontario to Austin?

The price you pay for your flight from Region of Ontario to Austin may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Austin. 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 into for flights to Austin from Ontario?

    Austin Bergstrom (AUS) is the airport you will fly into if you book a flight from Ontario to Austin. It is only a 7.5 mi journey from Austin Bergstrom (AUS) to Austin’s city center.

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

    Airlines like Delta, United Airlines, and Porter Airlines fly from Region of Ontario to Austin in about 7h 45m. The time it takes to get you to your destination can typically vary by up to 2h 29m. Region of Ontario and Austin are separated by a distance of 1582 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Region of Ontario to Austin one-way?

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as $161. Users have also found prices from $162 and $170 on Delta and Air Canada, respectively.

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

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

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

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to Austin consider choosing Air Canada Rouge (80%), Air Canada (78%) or United Airlines (77%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Region of Ontario to Austin is generally $261, our data shows the cheapest flight currently is $143. When looking at the most popular route, (Toronto Pearson Intl - Austin Bergstrom), you can expect to pay $225 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Austin 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 Region of Ontario to Austin?

    Currently, July is the cheapest month in which you can book a flight from Region of Ontario to Austin (average of $306). Flying from Region of Ontario to Austin in December is currently the most expensive (average of $621). 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

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Round Rock
Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake

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.

Top 5 airlines flying from Ontario to Austin

Discover the top 5 airlines that operate flights from Ontario to Austin. 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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$231Average$488FlexibilityNo cancel feeOn-timeN/A
Porter AirlinesCheapest$232Average$320FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$260Average$648FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$277Average$535FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$420Average$578FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.