The cheapest flights to Ontario

When to find the cheapest flights to Ontario

  • any
  • April 2020
  • May 2020
  • June 2020
  • July 2020
  • August 2020
  • September 2020
  • October 2020
  • November 2020
  • December 2020
  • January 2021
  • February 2021
  • March 2021
  • day of search
  • price
  • departure city
Houston - Ontario
Frontier Airlinesoutbound: Oct 9, 2020
1 stop (9h05m)
Frontier Airlines
Frontier Airlinesreturn: Oct 12, 2020
1 stop (7h28m)
Frontier Airlines
$322 Verify
Similar flights 6 days ago
  • New York
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  • Los Angeles
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*Best price per person, all taxes and surcharges included; found in the last 14 days on liligo.com

All flight tickets to Ontario (USA)

  • any
  • April 2020
  • May 2020
  • June 2020
  • July 2020
  • August 2020
  • September 2020
  • October 2020
  • November 2020
  • December 2020
  • January 2021
  • February 2021
  • March 2021
  • popularity
  • price
  • departure city
Houston - Ontario
Frontier Airlinesoutbound: Oct 9, 2020
1 stop (9h05m)
Frontier Airlines
Frontier Airlinesreturn: Oct 12, 2020
1 stop (7h28m)
Frontier Airlines
$322 Verify
Similar flights 6 days ago
All departures