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$154+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — AUS
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
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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 March 20, 2026.

This United Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/292:40 pm
YOW
-
AUS
1 stop7h 03m
United Airlines
Wed 5/68:45 am
AUS
-
YOW
1 stop7h 22m
United Airlines
Deal found 3/15$307
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 4/1410:00 am
YOW
-
AUS
1 stop6h 36m
United Airlines
Tue 5/124:47 pm
AUS
-
YOW
1 stop6h 07m
United Airlines
Deal found 3/16$308
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:25 am
YOW
-
AUS
1 stop6h 31m
United Airlines
Thu 6/257:15 am
AUS
-
YOW
1 stop15h 39m
United Airlines
Deal found 3/18$309
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/103:40 pm
YYZ
-
AUS
1 stop9h 44m
Multiple Airlines
Fri 4/176:00 am
AUS
-
YYZ
1 stop7h 53m
Multiple Airlines
Deal found 3/17$338
This Trip.com deal was found by Cheapflights users on 3/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:45 am
YUL
-
AUS
1 stop17h 55m
Multiple Airlines
Thu 4/236:00 am
AUS
-
YUL
1 stop8h 10m
Multiple Airlines
Deal found 3/19$339
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/128:00 am
YUL
-
AUS
1 stop17h 24m
Multiple Airlines
Thu 4/236:00 am
AUS
-
YUL
2 stops33h 55m
Multiple Airlines
Deal found 3/16$340
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:00 am
YUL
-
AUS
1 stop9h 04m
Multiple Airlines
Mon 4/207:12 pm
AUS
-
YUL
1 stop28h 18m
Multiple Airlines
Deal found 3/19$342
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/43:40 pm
YYZ
-
AUS
1 stop9h 44m
Multiple Airlines
Tue 4/75:50 am
AUS
-
YYZ
2 stops13h 20m
Multiple Airlines
Deal found 3/15$342
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/278:00 am
YUL
-
AUS
1 stop16h 40m
Multiple Airlines
Fri 5/86:00 am
AUS
-
YUL
1 stop7h 50m
Multiple Airlines
Deal found 3/17$345
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 3/303:40 pm
YYZ
-
AUS
1 stop9h 44m
Multiple Airlines
Sat 4/116:12 am
AUS
-
YYZ
1 stop16h 08m
Multiple Airlines
Deal found 3/17$345
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/63:40 pm
YYZ
-
AUS
1 stop9h 44m
Multiple Airlines
Sat 4/189:25 am
AUS
-
YYZ
1 stop9h 10m
Multiple Airlines
Deal found 3/15$346
This Air Canada deal was found by Cheapflights users on 3/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:25 am
YOW
-
AUS
1 stop7h 10m
Air Canada
Tue 5/123:40 pm
AUS
-
YOW
2 stops16h 31m
Air Canada
Deal found 3/19$347

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 March 20, 2026.

Round-trip from

$307
(United Airlines)

One-way from

$154
(Trip.com)

Popular in

January

Cheapest in

April

Average price

$637

Good round-trip deal

$381 or less

Good one-way deal

$255 or less
From Ontario to Austin Bergstrom
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One-way flight from Ontario to Austin Bergstrom
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Highest demand for flights based on searches. 11% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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Price to beat on a round-trip flight from Ontario to Austin Bergstrom.
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Price to beat on a one-way flight from Ontario to Austin Bergstrom.
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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 March 20, 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

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Wed 7/1

6:25 am-2:41 pm

1 stop9h 16m

Austin Bergstrom

Sun 7/5

6:40 am-1:59 pm

1 stop6h 19m

$307

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Wed 4/29

10:00 am-11:15 pm

2 stops14h 15m

Austin Bergstrom

Wed 5/6

9:35 am-10:05 pm

2 stops11h 30m

$308

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Tue 4/14

6:25 am-12:35 pm

1 stop7h 10m

Austin Bergstrom

Tue 5/12

3:40 pm-9:11 am

2 stops16h 31m

$347

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Mon 4/13

3:10 pm-9:07 pm

1 stop6h 57m

Austin Bergstrom

Wed 4/15

5:30 am-5:07 pm

2 stops10h 37m

$348

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Tue 4/14

10:00 am-3:36 pm

1 stop6h 36m

Austin Bergstrom

Tue 5/12

7:15 am-2:22 pm

1 stop6h 07m

$353

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Thu 6/18

5:10 am-10:40 am

1 stop6h 30m

Austin Bergstrom

Wed 6/24

5:30 am-2:10 pm

2 stops7h 40m

$364

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Fri 4/24

7:30 pm-8:38 am

2 stops14h 08m

Austin Bergstrom

Mon 4/27

7:25 pm-3:21 pm

2 stops18h 56m

$370

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Thu 5/28

10:15 am-7:57 pm

2 stops10h 42m

Austin Bergstrom

Sun 5/31

5:09 pm-11:59 pm

1 stop5h 50m

$417

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Mon 7/6

6:00 am-3:30 pm

1 stop10h 30m

Austin Bergstrom

Sun 7/12

5:30 am-3:18 pm

1 stop8h 48m

$431

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Fri 8/14

6:00 am-2:08 pm

1 stop9h 08m

Austin Bergstrom

Mon 8/17

1:40 pm-12:04 am

1 stop9h 24m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Region of Ontario to Austin (average of $168). Flying from Region of Ontario to Austin in November is currently the most expensive (average of $374). 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 March 20, 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?

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 United Airlines, Air Canada, and Delta fly from Region of Ontario to Austin in about 7h 10m. The time it takes to get you to your destination can typically vary by up to 3h 20m. 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 United Airlines. According to our data, you can fly for as low as $177. Users have also found prices from $230 and $232 on Air Canada and Delta, 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 (100%), Air Canada (72%) or United Airlines (45%) 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 $400, our data shows the cheapest flight currently is $227. When looking at the most popular route, (Toronto Pearson Intl - Austin Bergstrom), you can expect to pay $358 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, October is the cheapest month in which you can book a flight from Region of Ontario to Austin (average of $168). Flying from Region of Ontario to Austin in November is currently the most expensive (average of $374). 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
Cedar Park
San Marcos
Fredericksburg
Pflugerville
Round Rock
Georgetown
Bastrop
Dripping Springs
Canyon Lake
Seguin
Horseshoe Bay

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Top 3 airlines flying from Ontario to Austin

Discover the top 3 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 March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$296Average$688FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$305Average$644FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$475Average$587FlexibilityNo cancel feeOn-time71%

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