Top flight deals from leading airlines:
... and +100s more
Incredible Deals
Save up to 50% on select flights with Priceline
Bundle & Save
Save an average of $240 per person when bundling your flight and hotel together with Priceline
Best Price Guarantee
If a VIP member finds a better price elsewhere, we'll refund up to 200% of the difference
Help 24/7
We’re always here for you - reach us 24 hours a day, 7 days a week
BUNDLE & SAVE
Book a flight & hotel together for extra savings.
On average save $240 per traveler
04/25/25
10:38pm
DEN
1h 21m
Direct
04/25/25
11:59pm
ONT
04/28/25
12:59am
ONT
3h 17m
Direct
04/28/25
4:16am
DEN
$59
Free cancellation within 83 hours of booking
05/13/25
10:37pm
DEN
1h 22m
Direct
05/13/25
11:59pm
ONT
05/17/25
12:59am
ONT
3h 18m
Direct
05/17/25
4:17am
DEN
$68
Free cancellation within 83 hours of booking
05/15/25
10:37pm
DEN
1h 22m
Direct
05/15/25
11:59pm
ONT
05/19/25
12:59am
ONT
3h 18m
Direct
05/19/25
4:17am
DEN
$68
Free cancellation within 83 hours of booking
05/01/25
10:00am
DEN
1h 26m
Direct
05/01/25
11:26am
ONT
05/07/25
1:08pm
ONT
5h 49m
LAS
05/07/25
6:57pm
DEN
$115
Free cancellation within 83 hours of booking
04/22/25
10:38pm
DEN
1h 21m
Direct
04/22/25
11:59pm
ONT
04/29/25
2:27pm
ONT
8h 42m
DFW
04/29/25
11:09pm
DEN
$116
Free cancellation within 83 hours of booking
04/27/25
10:00am
DEN
1h 20m
Direct
04/27/25
11:20am
ONT
05/13/25
3:05pm
ONT
8h 12m
DFW
05/13/25
11:17pm
DEN
$116
Free cancellation within 83 hours of booking
05/13/25
8:00am
DEN
5h 35m
DFW
05/13/25
1:35pm
ONT
05/20/25
12:59am
ONT
3h 18m
Direct
05/20/25
4:17am
DEN
$116
Free cancellation within 83 hours of booking
04/25/25
9:55am
DEN
1h 26m
Direct
04/25/25
11:21am
ONT
04/28/25
10:21pm
ONT
5h 35m
LAS
04/29/25
3:56am
DEN
$116
Free cancellation within 83 hours of booking
05/15/25
10:18pm
DEN
11h 44m
SFO
05/16/25
10:02am
ONT
05/19/25
12:59am
ONT
3h 18m
Direct
05/19/25
4:17am
DEN
$116
Free cancellation within 83 hours of booking
04/26/25
5:29pm
DEN
3h 54m
LAS
04/26/25
9:23pm
ONT
04/30/25
12:10pm
ONT
3h 22m
Direct
04/30/25
3:32pm
DEN
$116
Free cancellation within 83 hours of booking
05/15/25
7:59pm
DEN
17h 39m
IAH
05/16/25
1:38pm
ONT
05/19/25
12:59am
ONT
3h 18m
Direct
05/19/25
4:17am
DEN
$125
Free cancellation within 83 hours of booking
05/03/25
11:15am
DEN
1h 23m
Direct
05/03/25
12:38pm
ONT
05/05/25
4:15pm
ONT
3h 20m
Direct
05/05/25
7:35pm
DEN
$156
Free cancellation within 83 hours of booking
04/30/25
1:54pm
DEN
1h 23m
Direct
04/30/25
3:17pm
ONT
05/07/25
4:15pm
ONT
3h 20m
Direct
05/07/25
7:35pm
DEN
$156
Free cancellation within 83 hours of booking
04/22/25
1:54pm
DEN
1h 23m
Direct
04/22/25
3:17pm
ONT
04/29/25
4:17pm
ONT
3h 20m
Direct
04/29/25
7:37pm
DEN
$156
Free cancellation within 83 hours of booking
04/25/25
6:55am
DEN
6h 47m
IAH
04/25/25
1:42pm
ONT
04/28/25
10:21pm
ONT
5h 35m
LAS
04/29/25
3:56am
DEN
$172
Free cancellation within 83 hours of booking
05/15/25
7:59pm
DEN
17h 39m
IAH
05/16/25
1:38pm
ONT
05/19/25
8:24am
ONT
16h 14m
SFO
05/20/25
12:38am
DEN
$173
Free cancellation within 83 hours of booking
05/06/25
7:00am
DEN
8h 32m
SEA
05/06/25
3:32pm
ONT
05/13/25
3:08pm
ONT
8h 51m
SEA
05/13/25
11:59pm
DEN
$181
Free cancellation within 83 hours of booking
04/22/25
2:39pm
DEN
5h 50m
SEA
04/22/25
8:29pm
ONT
05/20/25
9:25am
ONT
8h 44m
PDX
05/20/25
6:09pm
DEN
$181
Free cancellation within 83 hours of booking
05/12/25
6:37pm
DEN
5h 21m
PDX
05/12/25
11:58pm
ONT
05/13/25
1:56pm
ONT
10h 3m
SEA
05/13/25
11:59pm
DEN
$181
Free cancellation within 83 hours of booking
05/14/25
7:05am
DEN
5h 10m
SLC
05/14/25
12:15pm
ONT
05/24/25
2:57pm
ONT
3h 22m
Direct
05/24/25
6:19pm
DEN
$197
Free cancellation within 83 hours of booking
05/13/25
6:37pm
DEN
5h 21m
PDX
05/13/25
11:58pm
ONT
05/20/25
4:45pm
ONT
7h 20m
SEA
05/21/25
12:05am
DEN
$205
Free cancellation within 83 hours of booking
04/30/25
6:05pm
DEN
5h 36m
SLC
04/30/25
11:41pm
ONT
05/03/25
8:30am
ONT
3h 30m
Direct
05/03/25
12:00pm
DEN
$206
Free cancellation within 83 hours of booking
04/23/25
11:59am
DEN
4h 34m
SLC
04/23/25
4:33pm
ONT
04/26/25
7:59pm
ONT
3h 19m
Direct
04/26/25
11:18pm
DEN
$206
Free cancellation within 83 hours of booking
04/23/25
7:45am
DEN
7h 5m
SFO
04/23/25
2:50pm
ONT
04/30/25
5:00am
ONT
3h 19m
Direct
04/30/25
8:19am
DEN
$207
Free cancellation within 83 hours of booking
04/22/25
2:39pm
DEN
5h 50m
SEA
04/22/25
8:29pm
ONT
05/13/25
3:08pm
ONT
8h 51m
SEA
05/13/25
11:59pm
DEN
$209
Free cancellation within 83 hours of booking
05/05/25
6:37pm
DEN
5h 21m
PDX
05/05/25
11:58pm
ONT
05/13/25
1:56pm
ONT
10h 3m
SEA
05/13/25
11:59pm
DEN
$209
Free cancellation within 83 hours of booking
05/09/25
6:37pm
DEN
5h 21m
PDX
05/09/25
11:58pm
ONT
05/12/25
4:08pm
ONT
7h 51m
SEA
05/12/25
11:59pm
DEN
$228
Free cancellation within 83 hours of booking
05/13/25
8:01am
DEN
3h 49m
PHX
05/13/25
11:50am
ONT
05/20/25
6:01am
ONT
6h 9m
PHX
05/20/25
12:10pm
DEN
$268
Free cancellation within 83 hours of booking
04/23/25
11:16am
DEN
4h 43m
PHX
04/23/25
3:59pm
ONT
04/30/25
12:50pm
ONT
5h 16m
PHX
04/30/25
6:06pm
DEN
$268
Free cancellation within 83 hours of booking
04/22/25
11:16am
DEN
4h 43m
PHX
04/22/25
3:59pm
ONT
04/29/25
6:15am
ONT
5h 15m
PHX
04/29/25
11:30am
DEN
$268
Free cancellation within 83 hours of booking
Top Deals on flights from Denver to Ontario International Airport
Denver, US (DEN) - Los Angeles, US (LAX)
Apr 30
10:38pm
DEN
1h 21m
Direct
Apr 30
11:59pm
ONT
as low as
$33
Denver, US (DEN) - Los Angeles, US (LAX)
Apr 28
9:55am
DEN
1h 26m
Direct
Apr 28
11:21am
ONT
as low as
$40
Denver, US (DEN) - Los Angeles, US (LAX)
May 7
1:45pm
DEN
1h 24m
Direct
May 7
3:09pm
ONT
as low as
$78
Denver, US (DEN) - Los Angeles, US (LAX)
Apr 22
6:00am
DEN
7h 37m
DFW
Apr 22
1:37pm
ONT
as low as
$80
Denver, US (DEN) - Los Angeles, US (LAX)
Apr 19
9:57am
DEN
5h 22m
LAS
Apr 19
3:19pm
ONT
as low as
$80
Denver, US (DEN) - Los Angeles, US (LAX)
May 7
6:37pm
DEN
5h 21m
PDX
May 7
11:58pm
ONT
as low as
$88
Denver, US (DEN) - Los Angeles, US (LAX)
Apr 22
7:00am
DEN
8h 32m
SEA
Apr 22
3:32pm
ONT
as low as
$88
Denver, US (DEN) - Los Angeles, US (LAX)
Apr 28
6:46pm
DEN
3h 12m
PHX
Apr 28
9:58pm
ONT
as low as
$99
Denver, US (DEN) - Los Angeles, US (LAX)
May 6
7:00am
DEN
8h 32m
SEA
May 6
3:32pm
ONT
as low as
$102
Denver, US (DEN) - Los Angeles, US (LAX)
Apr 26
6:05pm
DEN
4h
SLC
Apr 26
10:05pm
ONT
as low as
$108
Denver, US (DEN) - Los Angeles, US (LAX)
Apr 28
9:40pm
DEN
1h 20m
Direct
Apr 28
11:00pm
ONT
as low as
$128
Denver, US (DEN) - Los Angeles, US (LAX)
May 6
9:51am
DEN
4h 34m
SFO
May 6
2:25pm
ONT
as low as
$129
Flights to Los Angeles
Return flights
Flights From Ontario International Airport To DenverBrowse origins
- Flights
- North America
- United States
- Colorado
- Denver
Browse destinations
- Flights
- North America
- United States
- California
- Los Angeles
- Ontario International Airport
Top Flight Routes Destinations
Flights To NairobiFlights To MalagaFlights To AthensFlights To LondonFlights To LisbonFlights To TokyoFlights To BangkokFlights To IstanbulFlights To Ho Chi Minh CityFlights To Frankfurt Am MainFlights To Tel AvivFlights To BarcelonaFlights To Buenos AiresFlights To BrusselsFlights To ManilaFlights To AmsterdamFlights To San JoseFlights To DenpasarFlights To VeniceFlights To SydneyFlights To TiranaFlights To ParisFlights To ZurichFlights To FlorenceFlights To ShanghaiFlights To TahitiFlights To MadridFlights To CairoFlights To SingaporeFlights To Vienna
Priceline is part of Booking Holdings, the world leader in online travel & related services.
