A range of rugged mountains with snow-capped peaks under a clear sky.

Cheap Flights from Atlanta (ATL) to Ontario Intl. Airport (ONT)

Save on Flight Bookings!

Popular airlines from Hartsfield-Jackson Atlanta International Airport (ATL) to Ontario Intl. Airport (ONT)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save on select hotels after you book a flight*

  • Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

How long does it take to fly from Hartsfield–Jackson Atlanta International Airport to Ontario Airport?
Delta Air Lines operates a direct flight jetting off from Hartsfield–Jackson Atlanta International Airport at 6:35PM and coming in to land at ONT at 8:06PM — a total flight time of 4 hours and 31 minutes. Choose your perfect seat, bring a magazine to keep you amused and the time will pass by quickly.
Is it cheaper to buy a plane ticket from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to ONT last minute?
When it's time to book your flights, being organized pays off. While you could pick up a deal on an ATL to ONT flight at the last minute, fares usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international flights it's three to four months.
What airline has the least delays from Atlanta Airport to ONT?
With an on-time performance score of 74%, Delta Air Lines is the carrier that's likelier to get you from ATL to Ontario Airport without any hiccups. Flight delays aren't just frustrating — they can also lead you to missing a connection that could ruin your entire vacation. You can stay updated about delays by looking up your flight status through the Expedia App before you set off for the airport. If you're already at your gate and you're worried about the knock-on effects, visit the customer service desk for more information.
What airports do you fly into for Ontario from Atlanta?
With Los Angeles - Ontario Intl. Airport (ONT), John Wayne Airport (SNA) and Long Beach Municipal Airport (LGB) to choose from, journeying from Atlanta to Ontario is no sweat. The city's main gateway, Los Angeles - Ontario Intl. Airport (ONT), is approximately 5 kilometers east of the downtown area. Apart from the price of fares, consider factors like public transportation options from the airport and the distance to your hotel before deciding where you'll get off the plane. Get your Ontario vacation off to a flying start by visiting Ontario Mills Shopping Mall and Toyota Arena.
What are the most popular departure times for flights from ATL to Ontario Airport?
Between 6:00 PM - 7:00 PM is when you'll find lots of Delta Air Lines flights making their way from Hartsfield–Jackson Atlanta International Airport to Ontario Airport. Our tip? Choose a flight that departs sometime in the morning. With air traffic yet to build up, your odds of catching a delay-free flight are higher.
Can I change the date of my flight from Hartsfield–Jackson Atlanta International Airport to ONT?
You can easily make changes to your ATL to Ontario Airport journey by logging in to the Expedia Trips portal. Before you make any amendments, check out the rules and conditions in your itinerary to learn what the carrier will let you do and if charges apply. Some airlines have a change fee per person, plus any difference in prices. However, if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also stop by our Customer Service portal for more info and to chat with our Virtual Agent.

Travel information

Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
Ontario Intl. Airport
Distance
3029 km
Average flight time
1 hour 59 mins

Book with confidence

Atlanta to Ontario Intl. Airport Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Atlanta to Ontario Intl. Airport offer the perfect respite. Not only does exploring Ontario Intl. Airport provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Atlanta to Ontario Intl. Airport may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Ontario Intl. Airport are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Ontario Intl. Airport more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Ontario Intl. Airport is now!

Atlanta to Ontario Intl. Airport Flights

Explore a world of travel with Expedia

Ontario Intl. Airport nearby Airports

Los Angeles