Cheap flights from Ontario

Popular trips from Ontario

  1. Paris
    $701
    Feb 17 — Feb 26
    2 stops 13 hr 14 min American, Iberia
  2. New York
    $128
    Jan 16 — Jan 22
    1 stop 8 hr 40 min Frontier
  3. London
    $616
    Jan 12 — Jan 19
    1 stop 18 hr 31 min Frontier, Norse Atlantic Airways
  4. Seattle
    $83
    Dec 8 — Dec 17
    Nonstop 3 hr Frontier
  5. San Francisco
    $63
    Feb 10 — Feb 19
    Nonstop 1 hr 35 min Frontier
  6. Singapore
    $859
    Jan 13 — Jan 20
    2 stops 26 hr 10 min Delta, Korean Air

Find flights from Ontario to anywhere

Popular airports near Ontario

  • Ontario International Airport (ONT)
    Ontario 11 min 2 mi
  • Los Angeles International Airport (LAX)
    Los Angeles 1 hr 8 min 44 mi
  • Tijuana International Airport (TIJ)
    Tijuana 2 hr 13 min 112 mi
  • San Diego International Airport (SAN)
    San Diego 1 hr 48 min 95 mi

Frequently asked questions about flying from Ontario

What are some good flight destinations from Ontario?
Some popular flight destinations from Ontario are Chicago, Dallas, Phoenix, Washington, Denver and New York. To find more cheap flights to other destinations, use the Explore tool by interacting with the map above.
What is the best airport to fly out of Ontario?
Ontario is served by only one major airport: Ontario International Airport, 2 mi away from the city center.
How long before a flight should I arrive at the airport in Ontario ?
It's usually recommended that you arrive at the airport 2 hours before departure time for a domestic flight and 3 hours before an international flight to allow for time to check in, clear security, and handle unexpected delays.
Check with your airline for any unique guidance and monitor the airport's website for updates or changes to procedures.
How can I find last-minute flight deals from Ontario?
Finding last-minute flights from Ontario is easy on Google Flights
Select a destination in the form on the top of the page, and use the calendar to pick travel dates and find the lowest fares available.
You can even check for flights departing today.
To find the cheapest fares, it’s usually best to book at least a few weeks in advance for domestic flights and a few months in advance for international travel.
What is the cheapest place to fly from Ontario?
You can find cheap flight deals from Ontario to anywhere in the world on Google Flights.
Just enter Ontario as your departure city, choose Anywhere as the destination, and tap Explore .
You can pick specific dates or leave departure and return dates blank if your plans are flexible. The cheapest fares to popular destinations will appear.
You can filter the results to see only nonstop flights or flights under a certain price to more easily plan your perfect budget trip.

If you already have a destination in mind, you can turn on price tracking to get alerts if the fare changes for a route or flight.

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