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Best One-Way Price | $29 |
|---|---|
Best Round-Trip Price | $57 |
Fastest flight time | 1h 27m |
Popular in | April |
Most flyers found that booking tickets 54 days in advance of their planned departure date is the best time to get cheap flights to Ontario. During this timeframe, flight prices are around $358. However, in the past 72 hours, people saw flights from United States for as low as $138.
Finding an alternative and possibly cheaper destination airport near Ontario is possible. If you are planning a flight to Ontario, consider booking flights to Ontario Airport (3 mi from Ontario city center), San Bernardino Int Airport (24 mi from Ontario city center), Santa Ana J. Wayne/Orange Cnty Airport (29 mi from Ontario city center), Long Beach Municipal Airport (33 mi from Ontario city center) or Burbank Bob Hope Airport (42 mi from Ontario city center).
Prices vary based on where travelers are departing from, but on average, the cheapest airport to fly to in Ontario is San Bernardino Int Airport where the average price is $97. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.
Prices for flights to Ontario Airport refresh daily.
As of July 2025, there are 18 operators available to choose from for flights to Ontario Airport.
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Ontario Airport.
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Ontario. momondo saves you time and could save you money on your trip.
Yes. All flights to Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Ontario.
If you are not ready to book a flight to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Ontario and let you know when they change.