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Flights to Ontario
All fares Denver (DEN) to Ontario (ONT) found by travellers in past 72 hours¤

Today's lowest fares
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Oct
US$137
Nov
US$137
Dec
US$137
About TripAdvisor Flights

Your one-stop shop for finding the best flights from Fort Collins to Ontario. Simply tell us where and when you want to travel and we'll do all the legwork for you. Featuring the most powerful shopping tools on the web, we search the largest online travel websites, established airfare discounters, plus the world's leading airlines and low-cost carriers to bring back thousands of flight options.

Travel information for Fort Collins, CO to Ontario

Route information
  • Fort Collins, CO is 817 miles from Ontario
  • There are 4 daily flights from Fort Collins, CO to Ontario
  • There are 7 weekly flights from Fort Collins, CO to Ontario
  • 6 non-stop flights are operating from Fort Collins, CO to Ontario today
  • United has the most nonstop flights between Fort Collins, CO and Ontario
  • 1 direct flights are operating from Fort Collins, CO to Ontario today
  • Southwest has the most direct flights between Fort Collins, CO and Ontario
  • Phoenix, AZ - Sky Harbor International Airport is the most popular connection for one stop flights between Fort Collins, CO and Ontario
In-Flight Information
  • The average flying time for a direct flight from Fort Collins, CO to Ontario is 2 hours 18 minutes
  • Most direct flights leave around 11:28 MDT
Arrival information
  • Ontario Intl Airport (Ontario, CA)
    • Right now, 14 airlines operate out of Ontario Intl Airport.
    • Ontario Intl Airport offers nonstop flights to 15 cities.
    • Every week, at least 798 domestic flights and 21 international flights depart from Ontario Intl Airport.

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