HK$391️ Cheap Flights from Austin to Ontario (2024)

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Austin to Ontario - Flights Starting at HK$391

Book one-way or return flights from Austin to Ontario from as little as HK$391. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

We monitor flight fares to help you seize the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Austin to Ontario

View airlines operating flights from Austin to Ontario. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From HK$391

Spirit Airlines

From HK$744

Delta Air Lines

From HK$801

Allegiant Air

From HK$815

Alaska Airlines

From HK$894

United Airlines

From HK$901

American Airlines

From HK$1,012

Southwest Airlines

From HK$1,221

ANA airlines

Find more flights and airlines

Alternative Routes from Austin to Ontario

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Austin to Ontario.

Cheapest
AUS
09:16
6h 8m
1 transfer
ONT
13:24
Austin-Bergstrom International Airport - Ontario International Airport
Tue, May 21Frontier Airlines
HK$391
AUS
09:16
6h 8m
1 transfer
ONT
13:24
Austin-Bergstrom International Airport - Ontario International Airport
Tue, May 21Frontier Airlines
HK$391
Find More Flights

Frequently Asked Questions

When are flight tickets from Austin (AUS) to Ontario (ONT) the cheapest?
Airlines adjust prices for flights from Austin to Ontario based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Austin (AUS) to Ontario (ONT) cost?
According to Trip.com's data, the lowest price is around HK$2,649.

How to find a cheap flight from Austin to Ontario

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Austin to Ontario. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Austin to Ontario Flight Information

Cheapest nonstop flight price	HK$391
Cheapest round-trip ticket price	HK$1,214
Off-season for travel	February
Peak season for travel	June
Flight distance	10,754.2km
Popular airline	Alaska Airlines