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$133+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — AUS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 3/108:00 am
YUL
-
AUS
1 stop13h 53m
Multiple Airlines
Wed 3/2512:08 pm
AUS
-
YUL
1 stop27h 12m
Multiple Airlines
Deal found 1/28$240
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Wed 3/118:00 am
YUL
-
AUS
1 stop13h 53m
Multiple Airlines
Wed 3/2512:08 pm
AUS
-
YUL
1 stop27h 12m
Multiple Airlines
Deal found 1/28$244
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/277:00 am
YOW
-
AUS
1 stop16h 08m
Multiple Airlines
Sat 4/412:08 pm
AUS
-
YOW
1 stop11h 17m
Multiple Airlines
Deal found 1/28$246
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/98:00 am
YUL
-
AUS
1 stop13h 53m
Multiple Airlines
Wed 3/2512:08 pm
AUS
-
YUL
1 stop27h 12m
Multiple Airlines
Deal found 1/28$248
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 3/108:00 am
YUL
-
AUS
1 stop13h 53m
Multiple Airlines
Thu 3/267:20 am
AUS
-
YUL
1 stop8h 00m
Multiple Airlines
Deal found 1/28$255
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 3/108:00 am
YUL
-
AUS
1 stop13h 53m
Multiple Airlines
Tue 3/318:27 pm
AUS
-
YUL
2 stops19h 01m
Multiple Airlines
Deal found 1/28$261
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/98:00 am
YUL
-
AUS
1 stop13h 53m
Multiple Airlines
Thu 3/267:20 am
AUS
-
YUL
1 stop8h 00m
Multiple Airlines
Deal found 1/28$263
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Wed 3/118:00 am
YUL
-
AUS
1 stop13h 53m
Multiple Airlines
Tue 3/318:27 pm
AUS
-
YUL
2 stops19h 01m
Multiple Airlines
Deal found 1/28$265
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/98:00 am
YUL
-
AUS
1 stop13h 53m
Multiple Airlines
Tue 3/318:27 pm
AUS
-
YUL
2 stops19h 01m
Multiple Airlines
Deal found 1/28$268
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/98:00 am
YUL
-
AUS
1 stop13h 53m
Multiple Airlines
Thu 4/912:08 pm
AUS
-
YUL
1 stop27h 20m
Multiple Airlines
Deal found 1/28$277
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 3/247:00 am
YOW
-
AUS
1 stop16h 08m
Multiple Airlines
Mon 3/308:27 pm
AUS
-
YOW
2 stops26h 58m
Multiple Airlines
Deal found 1/28$282
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 3/108:00 am
YUL
-
AUS
1 stop13h 53m
Multiple Airlines
Fri 3/277:20 am
AUS
-
YUL
1 stop16h 25m
Multiple Airlines
Deal found 1/28$288

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 January 29, 2026.

Round-trip from

$240
(Kiwi.com)

One-way from

$133
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$762

Good round-trip deal

$449 or less

Good one-way deal

$286 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. 13% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
Use the filters below to find and compare flights from Ontario to Austin that are best for you.

Fly from

Ontario

Fly to

Austin

Route

Depart

Return

Price

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Fri 3/27

7:00 am-10:08 pm

1 stop16h 08m

Austin Bergstrom

Sat 4/4

12:08 pm-12:25 am

1 stop11h 17m

$246

MontrealAustin

YUL - AUS

YULAUS

Montreal Pierre Elliott Trudeau Intl

Mon 3/9

8:00 am-8:53 pm

1 stop13h 53m

Austin Bergstrom

Thu 4/9

12:08 pm-4:28 pm

1 stop27h 20m

$277

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Tue 3/24

7:00 am-10:08 pm

1 stop16h 08m

Austin Bergstrom

Mon 3/30

8:27 pm-12:25 am

2 stops26h 58m

$282

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Fri 2/27

5:00 pm-11:24 pm

2 stops31h 24m

Austin Bergstrom

Wed 3/4

7:15 am-5:25 pm

1 stop9h 10m

$296

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Sat 3/28

7:00 am-11:32 pm

1 stop17h 32m

Austin Bergstrom

Sun 4/5

8:27 pm-5:13 pm

1 stop19h 46m

$303

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Thu 2/26

7:00 am-8:53 pm

1 stop14h 53m

Austin Bergstrom

Thu 3/5

6:10 am-5:25 pm

1 stop10h 15m

$306

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Sat 2/14

7:30 pm-11:13 am

1 stop16h 43m

Austin Bergstrom

Thu 2/19

7:50 am-4:30 pm

1 stop7h 40m

$319

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Fri 3/13

6:00 am-12:19 pm

1 stop7h 19m

Austin Bergstrom

Fri 3/20

1:05 pm-11:18 pm

1 stop9h 13m

$319

HamiltonAustin

YHM - AUS

YHMAUS

Hamilton

Tue 2/24

7:00 am-4:04 pm

1 stop10h 04m

Austin Bergstrom

Tue 3/3

4:59 pm-3:00 pm

2 stops21h 01m

$328

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Fri 2/27

8:25 pm-12:19 pm

1 stop16h 54m

Austin Bergstrom

Mon 3/2

1:05 pm-9:18 pm

1 stop7h 13m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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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 $175). Flying from Region of Ontario to Austin in August is currently the most expensive (average of $385). 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 January 29, 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, Alaska Airlines, and Delta fly from Region of Ontario to Austin in about 11h 46m. The time it takes to get you to your destination can typically vary by up to 20h 28m. Region of Ontario and Austin are separated by a distance of 1358 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 $232 and $261 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 cheapest flights from Region of Ontario to Austin?

    While on average a flight from Region of Ontario to Austin is generally $453, our data shows the cheapest flight currently is $250. When looking at the most popular route, (Toronto Pearson Intl - Austin Bergstrom), you can expect to pay $234 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 $175). Flying from Region of Ontario to Austin in August is currently the most expensive (average of $385). 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
Fredericksburg
Round Rock
San Marcos
Georgetown
Pflugerville
Dripping Springs
Canyon Lake
Seguin
Horseshoe Bay

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Alternative routes for Ontario to Austin

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$296Average$695FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$315Average$648FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$475Average$587FlexibilityNo cancel feeOn-time71%

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