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Ontario

$106+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — YYZ
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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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 octubre 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
lun. 11/105:00 amAUS - YOW
1 stop11h 25mMultiple Airlines
lun. 11/174:15 pmYOW - AUS
1 stop31h 34mMultiple Airlines
Deal found 10/27$297
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
mié. 11/195:00 amAUS - YUL
2 stops34h 55mMultiple Airlines
dom. 11/234:35 pmYUL - AUS
1 stop26h 10mMultiple Airlines
Deal found 10/28$327
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/125:00 amAUS - YUL
2 stops34h 55mMultiple Airlines
dom. 11/234:35 pmYUL - AUS
1 stop26h 10mMultiple Airlines
Deal found 10/29$336
This Mytrip deal was found by Cheapflights users on 10/27. 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.
lun. 12/18:18 pmAUS - YTZ
3 stops20h 55mMultiple Airlines
jue. 12/48:30 amYTZ - AUS
2 stops14h 15mMultiple Airlines
Deal found 10/27$344
This Mytrip deal was found by Cheapflights users on 10/27. 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.
jue. 12/46:00 amAUS - YTZ
2 stops15h 03mMultiple Airlines
dom. 12/72:05 pmYTZ - AUS
3 stops26h 58mMultiple Airlines
Deal found 10/27$346
This Mytrip deal was found by Cheapflights users on 10/27. 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.
lun. 11/35:00 amAUS - YYZ
1 stop8h 40mMultiple Airlines
lun. 11/107:00 amYYZ - AUS
1 stop16h 49mMultiple Airlines
Deal found 10/27$346
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/182:21 pmAUS - YYZ
2 stops30h 51mMultiple Airlines
sáb. 11/227:00 amYYZ - AUS
1 stop16h 58mMultiple Airlines
Deal found 10/29$347
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
vie. 10/319:56 amAUS - YYZ
1 stop27h 24mMultiple Airlines
lun. 11/34:00 pmYYZ - AUS
2 stops31h 49mMultiple Airlines
Deal found 10/28$349
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
mié. 12/36:10 amAUS - YYZ
2 stops13h 03mMultiple Airlines
mar. 12/911:15 amYYZ - AUS
1 stop12h 06mMultiple Airlines
Deal found 10/28$350
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/125:00 amAUS - YUL
1 stop9h 10mMultiple Airlines
mié. 11/196:45 amYUL - AUS
2 stops17h 04mMultiple Airlines
Deal found 10/29$352
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
lun. 11/246:10 amAUS - YYZ
1 stop28h 33mMultiple Airlines
lun. 12/17:15 amYYZ - AUS
2 stops28h 59mMultiple Airlines
Deal found 10/27$352
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
mié. 11/266:10 amAUS - YUL
2 stops33h 45mMultiple Airlines
mié. 12/36:45 amYUL - AUS
1 stop17h 38mMultiple Airlines
Deal found 10/27$356

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 octubre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$297
(Kiwi.com)

One-way from

$106
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$665

Good round-trip deal

$534 or less

Good one-way deal

$390 or less
Provider with most accurate pricing for Austin Bergstrom-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Toronto (YTO) flights.
Search Deals
From Austin Bergstrom to Ontario
Search Deals
One-way flight from Austin Bergstrom to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Austin Bergstrom to Ontario.
Search Deals
Price to beat on a one-way flight from Austin Bergstrom to Ontario.
Search Deals

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 octubre 29, 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

lun. 11/10

5:00 am-5:25 pm

1 stop11h 25m

Ottawa

lun. 11/17

4:15 pm-10:49 pm

1 stop31h 34m

$297

AustinMontreal

AUS - YUL

AUSYUL

Austin Bergstrom

mié. 11/12

5:00 am-4:55 pm

2 stops34h 55m

Montreal Pierre Elliott Trudeau Intl

dom. 11/23

4:35 pm-5:45 pm

1 stop26h 10m

$336

AustinToronto

AUS - YTZ

AUSYTZ

Austin Bergstrom

lun. 12/1

8:18 pm-6:13 pm

3 stops20h 55m

Toronto Island

jue. 12/4

8:30 am-9:45 pm

2 stops14h 15m

$344

AustinToronto

AUS - YTZ

AUSYTZ

Austin Bergstrom

jue. 12/4

6:00 am-10:03 pm

2 stops15h 03m

Toronto Island

dom. 12/7

2:05 pm-4:03 pm

3 stops26h 58m

$346

AustinMontreal

AUS - YUL

AUSYUL

Austin Bergstrom

mié. 11/12

5:00 am-3:10 pm

1 stop9h 10m

Montreal Pierre Elliott Trudeau Intl

mié. 11/19

6:45 am-10:49 pm

2 stops17h 04m

$352

AustinToronto

AUS - YTZ

AUSYTZ

Austin Bergstrom

mar. 12/16

5:30 am-10:03 pm

2 stops15h 33m

Toronto Island

dom. 1/11

7:45 am-9:30 am

3 stops26h 45m

$356

AustinToronto

AUS - YYZ

AUSYYZ

Austin Bergstrom

mié. 11/12

5:00 am-11:43 am

1 stop29h 43m

Toronto Pearson Intl

dom. 11/16

4:00 pm-10:49 pm

2 stops31h 49m

$357

AustinOttawa

AUS - YOW

AUSYOW

Austin Bergstrom

jue. 12/11

6:00 am-5:13 pm

1 stop10h 13m

Ottawa

jue. 12/18

7:00 am-11:59 pm

1 stop17h 59m

$358

AustinToronto

AUS - YTZ

AUSYTZ

Austin Bergstrom

jue. 12/4

7:41 pm-6:57 pm

1 stop22h 16m

Toronto Island

lun. 12/8

7:40 pm-12:08 pm

1 stop17h 28m

$359

AustinOttawa

AUS - YOW

AUSYOW

Austin Bergstrom

mar. 11/18

7:15 am-4:32 pm

1 stop8h 17m

Ottawa

mar. 11/25

5:00 am-12:19 pm

1 stop8h 19m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 51 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, September is the cheapest month in which you can book a flight from Austin to Region of Ontario (average of $73). Flying from Austin to Region of Ontario in November is currently the most expensive (average of $298). 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 octubre 29, 2025.

It’s typically best to fly out from Austin to Region of Ontario at noon. Doing so could potentially save you 45% on the flight price compared to flying in the evening, which is usually more expensive.

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 octubre 29, 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
7.9
Good
7,994 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,371 reviews
Delta
7.9
Good
7,994 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 12h 54m. United Airlines provides one of the quickest options available for as low as $377. Airlines will cover a distance of 1582 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 Air Canada Rouge (87%), United Airlines (74%) and Air Canada (70%).

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

    Looking at all options, your cheapest flight can be booked for $193. While the most popular route (Austin Bergstrom - Toronto Pearson Intl) can be booked for $256 on average, our data indicates $712 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, September is the cheapest month in which you can book a flight from Austin to Region of Ontario (average of $73). Flying from Austin to Region of Ontario in November is currently the most expensive (average of $298). 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 octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$215Average$619FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$226Average$744FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$265Average$935FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$398Average$678FlexibilityNo cancel feeOn-time71%

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