HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Austin

$157+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — AUS
May 4 — May 111
Sun 5/4
Sun 5/11
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

Keep the following information in mind while searching for Ontario to Austin flight deals. Data was last updated April 29, 2025.

Round-trip from

$322
(Kiwi.com)

One-way from

$157
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$501

Good round-trip deal

$265 or less

Good one-way deal

$266 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. 8% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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

Find 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 April 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 5/296:45 amYUL - AUS
1 stop11h 15mMultiple Airlines
Wed 6/47:14 amAUS - YUL
2 stops16h 23mMultiple Airlines
Deal found 4/29$343
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/189:45 amYYZ - AUS
1 stop10h 29mMultiple Airlines
Mon 6/236:00 amAUS - YYZ
2 stops15h 54mMultiple Airlines
Deal found 4/28$361
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Fri 6/67:00 amYOW - AUS
2 stops12h 20mMultiple Airlines
Sun 6/87:01 pmAUS - YOW
1 stop21h 05mMultiple Airlines
Deal found 4/29$395
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2412:10 pmYYZ - AUS
1 stop10h 26mDelta
Sun 6/11:40 pmAUS - YYZ
1 stop7h 16mDelta
Deal found 4/28$460
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/266:00 amYUL - AUS
1 stop5h 51mDelta
Fri 8/14:40 pmAUS - YUL
1 stop5h 28mDelta
Deal found 4/29$477
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/198:00 amYYZ - AUS
Nonstop3h 29mAir Canada
Mon 7/2111:20 amAUS - YYZ
Nonstop3h 26mAir Canada
Deal found 4/28$496
This Air Canada deal was found by Cheapflights users on 4/29. 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 7/268:20 amYUL - AUS
1 stop9h 10mAir Canada
Fri 8/110:00 amAUS - YUL
Nonstop3h 58mAir Canada
Deal found 4/29$503
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/218:00 amYYZ - AUS
Nonstop3h 29mUnited Airlines
Sun 6/227:00 amAUS - YYZ
1 stop5h 42mUnited Airlines
Deal found 4/28$505
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/44:45 pmYUL - AUS
Nonstop4h 10mUnited Airlines
Sat 10/115:15 amAUS - YUL
2 stops10h 45mUnited Airlines
Deal found 4/29$544
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/24:45 pmYYZ - AUS
2 stops24h 50mAlaska Airlines
Sat 6/74:08 pmAUS - YYZ
2 stops21h 52mAlaska Airlines
Deal found 4/28$550
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2012:30 pmYUL - AUS
1 stop12h 12mAmerican Airlines
Sun 5/256:37 pmAUS - YUL
1 stop16h 07mAmerican Airlines
Deal found 4/29$586
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/105:55 amYOW - AUS
2 stops9h 55mDelta
Sun 7/137:38 amAUS - YOW
2 stops15h 44mDelta
Deal found 4/29$604

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 April 29, 2025.
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

MontrealAustin

YUL - AUS

YULAUS

Montreal Pierre Elliott Trudeau Intl

Thu 5/29

6:45 am-5:00 pm

1 stop11h 15m

Austin Bergstrom

Wed 6/4

7:14 am-12:37 am

2 stops16h 23m

$343

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Wed 6/18

9:45 am-7:14 pm

1 stop10h 29m

Austin Bergstrom

Mon 6/23

6:00 am-10:54 pm

2 stops15h 54m

$361

OttawaAustin

YOW - AUS

YOWAUS

Ottawa

Fri 6/6

7:00 am-6:20 pm

2 stops12h 20m

Austin Bergstrom

Sun 6/8

7:01 pm-5:06 pm

1 stop21h 05m

$395

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Sat 5/24

12:10 pm-9:36 pm

1 stop10h 26m

Austin Bergstrom

Sun 6/1

1:40 pm-9:56 pm

1 stop7h 16m

$460

MontrealAustin

YUL - AUS

YULAUS

Montreal Pierre Elliott Trudeau Intl

Sat 7/26

6:00 am-10:51 am

1 stop5h 51m

Austin Bergstrom

Fri 8/1

4:40 pm-11:08 pm

1 stop5h 28m

$477

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Sat 7/19

8:00 am-10:29 am

Nonstop3h 29m

Austin Bergstrom

Mon 7/21

11:20 am-3:46 pm

Nonstop3h 26m

$496

MontrealAustin

YUL - AUS

YULAUS

Montreal Pierre Elliott Trudeau Intl

Sat 7/26

8:20 am-4:30 pm

1 stop9h 10m

Austin Bergstrom

Fri 8/1

10:00 am-2:58 pm

Nonstop3h 58m

$503

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Sat 6/21

8:00 am-10:29 am

Nonstop3h 29m

Austin Bergstrom

Sun 6/22

7:00 am-1:42 pm

1 stop5h 42m

$505

MontrealAustin

YUL - AUS

YULAUS

Montreal Pierre Elliott Trudeau Intl

Sat 10/4

4:45 pm-7:55 pm

Nonstop4h 10m

Austin Bergstrom

Sat 10/11

5:15 am-5:00 pm

2 stops10h 45m

$544

TorontoAustin

YYZ - AUS

YYZAUS

Toronto Pearson Intl

Mon 6/2

4:45 pm-4:35 pm

2 stops24h 50m

Austin Bergstrom

Sat 6/7

4:08 pm-3:00 pm

2 stops21h 52m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 38 results
1
2
3
4

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, January is the cheapest month in which you can book a flight from Region of Ontario to Austin (average of $286). Flying from Region of Ontario to Austin in March is currently the most expensive (average of $362). 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 April 29, 2025.

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.

Rainfall in Austin by month

Plan your trip to Austin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

Temperature in Austin by month

Plan your trip to Austin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Austin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated April 29, 2025.
Read through reviews of airlines operating flights from Ontario to Austin, such as Alaska Airlines, Porter Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
285 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Aeromexico
7.5
Good
1,698 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $243. Users have also found prices from $274 and $284 on United Airlines and Alaska Airlines, 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 United Airlines (56%), Air Canada (28%) or Jazz (0%) 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 $272, our data shows the cheapest flight currently is $232. When looking at the most popular route, (Toronto Pearson Intl - Austin Bergstrom), you can expect to pay $293 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, January is the cheapest month in which you can book a flight from Region of Ontario to Austin (average of $286). Flying from Region of Ontario to Austin in March is currently the most expensive (average of $362). 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 Ontario?

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

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.

Alternative routes for Ontario to Austin

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Hobby flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to Austin flights
Vancouver Intl to Austin flights
Pierre Elliott Trudeau Intl to Hobby flights
Vancouver Intl to Dallas/Fort Worth flights
Vancouver Intl to Hobby flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Toronto Island to Dallas/Fort Worth flights
Vancouver Intl to George Bush Intcntl flights
Calgary to Dallas/Fort Worth flights
Pearson Intl to Love Field flights
Calgary to Hobby flights
Calgary to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Austin flights
Pearson Intl to San Antonio flights
Edmonton to Dallas/Fort Worth flights
Toronto Island to George Bush Intcntl flights
Winnipeg to Dallas/Fort Worth flights
Edmonton to Hobby flights
Winnipeg to Hobby flights
Calgary to Austin flights
Ottawa to Dallas/Fort Worth flights
Vancouver Intl to Love Field flights
Ottawa to Hobby flights
Pierre Elliott Trudeau Intl to Love Field flights
Winnipeg to George Bush Intcntl flights
Edmonton to George Bush Intcntl flights
Halifax to Hobby flights
Ottawa to Austin flights
Ottawa to George Bush Intcntl flights
Calgary to Love Field flights
Québec City to Dallas/Fort Worth flights
Halifax to Dallas/Fort Worth flights
Vancouver Intl to San Antonio flights
Region of Waterloo Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to San Antonio flights
Ottawa to Love Field flights
Winnipeg to Love Field flights
Halifax to George Bush Intcntl flights
St. John's to George Bush Intcntl flights
Hamilton to Dallas/Fort Worth flights
Regina to Dallas/Fort Worth flights
London to Dallas/Fort Worth flights

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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$269Average$499FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$390Average$623FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$444Average$681FlexibilityNo cancel feeOn-time69%

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.