Take off on cheap flights from Ontario to Denver, your adventure starts now!

Find cheap airline tickets from Ontario to Denver by date

  • any
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • any
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • price
  • month of departure
  • month of return
$119
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
23:42 DEN » 02:12 ONT
Frontier Airlines direct (2h30m)
$130
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
23:42 DEN » 02:12 ONT
Frontier Airlines direct (2h30m)
$148
outward: 7 mars 2019
09:59 LAX » 12:28 DEN
Frontier Airlines direct (2h29m)
inbound: 12 mars 2019
05:04 DEN » 07:45 LAX
Frontier Airlines direct (2h41m)
$149
outward: 7 mars 2019
21:14 LAX » 23:52 DEN
Frontier Airlines direct (2h38m)
inbound: 12 mars 2019
05:04 DEN » 07:45 LAX
Frontier Airlines direct (2h41m)
$159
outward: 24 avr. 2019
17:35 LAX » 20:03 DEN
United Airlines direct (2h28m)
inbound: 27 avr. 2019
02:55 DEN » 05:24 LAX
United Airlines direct (2h29m)
$159
outward: 7 mars 2019
21:14 LAX » 23:52 DEN
Frontier Airlines direct (2h38m)
inbound: 12 mars 2019
05:04 DEN » 07:45 LAX
Frontier Airlines direct (2h41m)
$161
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
13:30 DEN » 16:10 LAX
Southwest Airlines direct (2h40m)
$164
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
13:30 DEN » 16:10 LAX
Southwest Airlines direct (2h40m)
$165
outward: 7 mars 2019
20:42 SNA » 23:01 DEN
Frontier Airlines direct (2h19m)
inbound: 11 mars 2019
13:40 DEN » 18:25 LAX
Southwest Airlines 1 stop (4h45m)
$166
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
13:30 DEN » 16:10 LAX
Southwest Airlines direct (2h40m)
$166
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
13:30 DEN » 16:10 LAX
Southwest Airlines direct (2h40m)
$166
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
13:30 DEN » 16:10 LAX
Southwest Airlines direct (2h40m)
$166
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
13:30 DEN » 16:10 LAX
Southwest Airlines direct (2h40m)
$168
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 12 mars 2019
05:04 DEN » 07:45 LAX
Frontier Airlines direct (2h41m)
$170
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 12 mars 2019
05:04 DEN » 07:45 LAX
Frontier Airlines direct (2h41m)
$170
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 12 mars 2019
05:04 DEN » 07:45 LAX
Frontier Airlines direct (2h41m)
$170
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 12 mars 2019
05:04 DEN » 07:45 LAX
Frontier Airlines direct (2h41m)
$170
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 12 mars 2019
05:04 DEN » 07:45 LAX
Frontier Airlines direct (2h41m)
$174
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
23:42 DEN » 02:12 ONT
Frontier Airlines direct (2h30m)
$175
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
23:42 DEN » 02:12 ONT
Frontier Airlines direct (2h30m)
$175
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
23:42 DEN » 02:12 ONT
Frontier Airlines direct (2h30m)
$176
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
23:42 DEN » 02:12 ONT
Frontier Airlines direct (2h30m)
$176
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
23:42 DEN » 02:12 ONT
Frontier Airlines direct (2h30m)
$176
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 10 mars 2019
23:42 DEN » 02:12 ONT
Frontier Airlines direct (2h30m)
$179
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 12 mars 2019
05:04 DEN » 07:45 LAX
Frontier Airlines direct (2h41m)
$179
outward: 8 mars 2019
04:02 ONT » 06:15 DEN
Frontier Airlines direct (2h13m)
inbound: 12 mars 2019
05:04 DEN » 07:45 LAX
Frontier Airlines direct (2h41m)
$209
outward: 22 mars 2019
03:02 ONT » 05:15 DEN
Frontier Airlines direct (2h13m)
inbound: 24 mars 2019
23:42 DEN » 02:12 ONT
Frontier Airlines direct (2h30m)
Return
Departure
Choose when you'd like to depart to Denver (USA):
Find the cheapest Ontario Denver flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for Ontario - Denver with these new dates, click on an offer. Want to depart from another city? Choose:

Airlines operating flights from Ontario to Denver

  • any
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • all
  • Frontier Airlines
Frontier Airlines
outbound: 14 mars 2019
Frontier Airlines direct
return: 18 mars 2019
Frontier Airlines direct

Travel tips for flights Ontario - Denver

Average flight duration: 2h29m (direct flight)

  • Arrival city:
  • Denver, USA
  • Airport(s):
  • Centennial Airport (APA)
  • Rocky Mountain Metropolitan Airport (BJC)
  • Denver International Airport (DEN)
  • Local time:
  • 21 févr. 2019 13:36, GMT-7
  • Weather:
  • min. 17ºF, max. 33ºF
  • Departure city:
  • Ontario, USA
  • Airport(s):
  • Ontario International Airport (ONT)
  • Local time:
  • 21 févr. 2019 12:36, GMT-8
  • Weather:
  • min. 34ºF, max. 50ºF