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What You Should Know about Flights to Ontario

To make the most out of your trip, it's recommended to plan ahead and book your flights to Ontario early to potentially save money. The average cost of arrival tickets to Ontario is US$281, and there are several airports to choose from, with Ontario International Airport being the closest to downtown. When booking your flights, you can choose between a one-way ticket for the lowest price or a round-trip ticket for the best value. The lowest one-way price is US$39, and the lowest round-trip price is US$464. American Airlines is the most popular airline for this route and offers reliable and comfortable flying experience. If you're traveling to Ontario during May, keep in mind that prices tend to increase during this busy season, so be sure to book your flights and accommodations early. Also, don't forget to research the airport you'll be flying into and any other important details before your trip.

Discover one-way or return flights to Ontario from just US$16

Book one-way or return flights to Ontario from as little as US$16. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • Cheapest
        Tue, Jun 4
        SFO
        ONT
        |
        San Francisco
        Ontario
        Direct|Frontier Airlines
        US$16US$25
        37% OFF
        Search
      • Wed, Jun 26
        SFO
        ONT
        |
        San Francisco
        Ontario
        Direct|Frontier Airlines
        US$16US$25
        37% OFF
        Search
      • Sat, May 4
        SFO
        ONT
        |
        San Francisco
        Ontario
        Direct|Frontier Airlines
        US$18US$25
        27% OFF
        Search
      • Sat, May 11
        SFO
        ONT
        |
        San Francisco
        Ontario
        Direct|Frontier Airlines
        US$18
        Search
      • Tue, Apr 30
        SFO
        ONT
        |
        San Francisco
        Ontario
        Direct|Frontier Airlines
        US$19
        Search
      • Wed, May 8
        SFO
        ONT
        |
        San Francisco
        Ontario
        Direct|Frontier Airlines
        US$19
        Search
      • Wed, Jun 12
        SFO
        ONT
        |
        San Francisco
        Ontario
        Direct|Frontier Airlines
        US$19
        Search
      • Tue, May 21
        SFO
        ONT
        |
        San Francisco
        Ontario
        Direct|Frontier Airlines
        US$19
        Search
      • Wed, May 15
        SFO
        ONT
        |
        San Francisco
        Ontario
        Direct|Frontier Airlines
        US$19
        Search
      • Fri, Mar 3
        Columbus
        ONT Ontario
        Direct|Economy
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Top Airlines Flying to Ontario

View airlines operating flights to Ontario. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.

Frontier Airlines
From US$16
Southwest Airlines
From US$70
United Airlines
From US$94
American Airlines
From US$101
Alaska Airlines
From US$125
Delta Air Lines
From US$230
Hawaiian Airlines
From US$368
ANA airlines

Find more flights and airlines

We found these prices a few days ago. Please select one to view the latest price.

There are 1 airport(s) in Ontario. Discover the top routes now!

Discover different airports in Ontario. Find the best flight and transfer option, and plan your trip accordingly.

  • 12517.03 km from downtown OntarioCheapestClosest
    Ontario International Airport
    Tickets From
    US$42

Best Direct Flights to Ontario. Enjoy non-stop routes with 1 airline(s).

Check on nonstop flights to Ontario to find the one that fits your travel needs.

FAQs about Flights to Ontario

  • What is the average flight ticket price from United States to Ontario?
    The average ticket price to Ontario is $317. Please use this price as a reference only.
  • How to get cheap flights to Ontario?
    You can book cheaper flights in the following ways:
    • Search for tickets to a city or airport near Ontario.
    • Look up different airlines that have flights to Ontario.
    • Browse different departure dates from the same month.
    • Filter for different departure times from the same day.
    • Check for discount information on various social media sites.
    • Explore deals and discounts on airline websites.
  • What is the most popular month to visit Ontario?
    Understanding peak and off travel seasons to Ontario can help you arrange your travel plans accordingly. The most popular month to visit Ontario is May. The average price of flight tickets to Ontario in May is $261.
  • When are the cheapest flights to Ontario?
    Flight tickets to Ontario are the cheapest in July compared to other months, the average price is $287.
  • What are some popular attractions in Ontario?
    There are lots of attractions to choose from in Ontario: American Airlines (5 km from downtown) , Toyota Arena (7 km from downtown) and Wings Speech and Language Center (7 km from downtown) are the most popular attractions close to downtown.

Info About Flights to Ontario

Cheapest nonstop flight price$41
Cheapest round-trip ticket price$207
Off-season for travelDecember
Peak season for travelNovember
Flight distance9,401.99km
Popular airlineAmerican Airlines
Cheapest monthJuly

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