The cheapest flights to Ontario

When to find the cheapest flights to Ontario

  • any
  • June 2022
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  • day of search
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  • departure city
Houston - Ontario
Alaska Airlinesoutbound: Apr 4, 2023
1 stop (8h34m)
Alaska Airlines
Alaska Airlinesreturn: Apr 9, 2023
direct (3h32m)
Alaska Airlines
$480 Verify
Similar flights 4 hours ago
Las Vegas - Ontario
Frontier Airlinesoutbound: Jul 5, 2022
direct (1h05m)
Frontier Airlines
Frontier Airlinesreturn: Jul 12, 2022
direct (1h19m)
Frontier Airlines
$93 Verify
Similar flights 28 hours ago
San Francisco - Ontario
United Airlinesoutbound: Jul 22, 2022
direct (1h31m)
United Airlines
United Airlinesreturn: Jul 25, 2022
direct (1h22m)
United Airlines
$168 Verify
Similar flights 11 days ago
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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
  • June 2022
  • July 2022
  • August 2022
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  • December 2022
  • January 2023
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  • May 2023
  • popularity
  • price
  • departure city
Las Vegas - Ontario
Frontier Airlinesoutbound: Jul 5, 2022
direct (1h05m)
Frontier Airlines
Frontier Airlinesreturn: Jul 12, 2022
direct (1h19m)
Frontier Airlines
$93 Verify
Similar flights 28 hours ago
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