Open interactive map →Cheap flights from Phoenix to Ontario
Cheap flights from Phoenix to Ontario, United States currently start at €45. Multiple carriers serve this route at competitive fares. Both direct and connecting flights operate between Phoenix and Ontario. Set a price alert below if you want to be emailed when this fare moves.
The cheapest fares on popular routes like this tend to sell out first, so it pays to book early once you spot a good price. Early-morning and late-night departures from Phoenix are often priced lower than midday flights. SkyHopp refreshes fares regularly - if the current price doesn't fit your budget, check back in a few days as availability changes.
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Entry requirements for United States
EU passportESTA required (visa-waiver)
US passportN/A (domestic)
Requirements vary by nationality and change without notice. Check requirements for your nationality →
Alternative routes
Other ways to reach Ontario
Frequently asked questions
How much does a flight from Phoenix to Ontario cost?
The cheapest fare currently available from Phoenix to Ontario is €45. Prices on this route vary by season, day of week, and how far in advance you book. Click through to compare live availability for your dates before you book. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from Phoenix to Ontario?
SkyHopp tracks both direct and connecting flights from Phoenix to Ontario. Connecting flights are often priced lower but add travel time due to the layover. Whether a non-stop option exists on specific dates depends on airline schedules - use the "Direct only" filter on the interactive map to see non-stop options, or check the booking site for a full breakdown by stop count.
When is the cheapest time to fly from Phoenix to Ontario?
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from Phoenix. Set a price alert on this page to watch the fare, or click through to compare live dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.