- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Plan, book, fly with confidence
Cheap Flights from Denver to Apple Valley (DEN-ONT)
Prices were available within the past 7 days and start at $29 for one-way flights and $53 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Tue, Aug 27 - Wed, Aug 28
DEN
Denver
ONT
Ontario
$53 Roundtrip, found 9 hours ago
$53
Roundtrip
found 9 hours ago
Wed, Aug 14 - Thu, Aug 15
DEN
Denver
ONT
Ontario
$58 Roundtrip, found 4 hours ago
$58
Roundtrip
found 4 hours ago
Tue, Aug 6 - Wed, Aug 14
DEN
Denver
ONT
Ontario
$58 Roundtrip, just found
$58
Roundtrip
just found
Fri, Aug 23 - Fri, Aug 23
DEN
Denver
ONT
Ontario
$63 Roundtrip, found 2 hours ago
$63
Roundtrip
found 2 hours ago
Tue, Sep 24 - Fri, Sep 27
DEN
Denver
ONT
Ontario
$63 Roundtrip, just found
$63
Roundtrip
just found
Tue, Sep 10 - Wed, Sep 18
DEN
Denver
ONT
Ontario
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Nearby Cities
*Available to One Key members.