Cheap flights from Austin to Rancho Cucamonga from CA $163

View CA $163 flight on Sat, Aug. 23, 2025Opens in a new window

Popular airlines from Austin to Rancho Cucamonga

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Austin (AUS) to Rancho Cucamonga (QLA)

Prices were available within the past 7 days and start at CA $163 for one-way flights and CA $372 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Aug. 15 - Thu, Aug. 21
AUS
Austin
ONT
Ontario
CA $372 Roundtrip, found 1 hour ago
CA $372
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, Aug. 15 from Austin to Ontario, returning Thu, Aug. 21, priced at CA $372 found 1 hour ago
Alaska Airlines
Fri, Aug. 15 - Thu, Aug. 21
AUS
Austin
ONT
Ontario
CA $375 Roundtrip, found 1 hour ago
CA $375
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Fri, Aug. 15 from Austin to Ontario, returning Thu, Aug. 21, priced at CA $375 found 1 hour ago
Delta
Fri, Aug. 15 - Thu, Aug. 21
AUS
Austin
ONT
Ontario
CA $405 Roundtrip, found 1 hour ago
CA $405
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, Aug. 15 from Austin to Ontario, returning Thu, Aug. 21, priced at CA $405 found 1 hour ago
American Airlines
Fri, Aug. 15 - Thu, Aug. 21
AUS
Austin
ONT
Ontario
CA $408 Roundtrip, found 1 hour ago
CA $408
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, Aug. 15 from Austin to Ontario, returning Thu, Aug. 21, priced at CA $408 found 1 hour ago
Alaska Airlines
Fri, Aug. 15 - Thu, Aug. 21
AUS
Austin
ONT
Ontario
CA $420 Roundtrip, found 1 hour ago
CA $420
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Fri, Aug. 15 from Austin to Ontario, returning Thu, Aug. 21, priced at CA $420 found 1 hour ago
Alaska Airlines
Fri, Aug. 15 - Thu, Aug. 21
AUS
Austin
ONT
Ontario
CA $423 Roundtrip, found 1 hour ago
CA $423
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Fri, Aug. 15 from Austin to Ontario, returning Thu, Aug. 21, priced at CA $423 found 1 hour ago

Find the cheapest month to fly from Austin (AUS) to Ontario (ONT)

April is typically the cheapest month to fly

From CA $157 - CA $391 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.