Cheap flights from Denver to Inland Empire

View AU$136 flight on Wed, 22 Oct. 2025Opens in a new window

Popular airlines from Denver to Inland Empire

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • 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 35% 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 Denver (DEN) to Inland Empire (QLA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 2 Aug. - Sat, 9 Aug.
DEN
Denver
ONT
Ontario
AU$409 Return, found 6 days ago
AU$409
Return
found 6 days ago
Select American Airlines flight, departing Sat, 2 Aug. from Denver to Ontario, returning Sat, 9 Aug., priced at AU$409 found 6 days ago
Delta
Sat, 2 Aug. - Sat, 9 Aug.
DEN
Denver
ONT
Ontario
AU$409 Return, found 6 days ago
AU$409
Return
found 6 days ago
Select Delta flight, departing Sat, 2 Aug. from Denver to Ontario, returning Sat, 9 Aug., priced at AU$409 found 6 days ago
American Airlines
Sat, 2 Aug. - Sat, 9 Aug.
DEN
Denver
ONT
Ontario
AU$454 Return, found 6 days ago
AU$454
Return
found 6 days ago
Select American Airlines flight, departing Sat, 2 Aug. from Denver to Ontario, returning Sat, 9 Aug., priced at AU$454 found 6 days ago
United
Sat, 2 Aug. - Sat, 9 Aug.
DEN
Denver
ONT
Ontario
AU$487 Return, found 6 days ago
AU$487
Return
found 6 days ago
Select United flight, departing Sat, 2 Aug. from Denver to Ontario, returning Sat, 9 Aug., priced at AU$487 found 6 days ago
Delta
Sat, 2 Aug. - Sat, 9 Aug.
DEN
Denver
ONT
Ontario
AU$517 Return, found 6 days ago
AU$517
Return
found 6 days ago
Select Delta flight, departing Sat, 2 Aug. from Denver to Ontario, returning Sat, 9 Aug., priced at AU$517 found 6 days ago
American Airlines
Sat, 2 Aug. - Sat, 9 Aug.
DEN
Denver
ONT
Ontario
AU$561 Return, found 6 days ago
AU$561
Return
found 6 days ago
Select American Airlines flight, departing Sat, 2 Aug. from Denver to Ontario, returning Sat, 9 Aug., priced at AU$561 found 6 days ago

Find the cheapest month to fly from Denver (DEN) to Palm Springs (PSP)

January is typically the cheapest month to fly

From AU$74 - AU$674 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.