$80 Find Cheap Flights from Ontario to Atlanta - Compare and Save

There are several types of parking lots at Ontario International Airport, each with a different price range. These parking lots, including one on Terminal 1 that includes a cell phone lot and is accessible from the west of Airport Drive. Parking Lot D is located at the International Arrivals Terminal. Parking Lots 2 and 3 are located at Terminals 2 and 4, respectively. Parking Lot 5 is located close to the rental vehicle facility on Terminal Way's eastern side. The airport shuttle service is available in Lot 5.

The Ontario Airport (ONT) offers a choice of culinary alternatives if you wish to have a snack before your trip. Wolfgang Puck Pizza and Harvest & Grounds are located at Terminal 2. Additionally, the restaurants in Terminal 4 are Coffee Bean & Tea Leaf, Einstein Bros. Bagels, and Rock & Brews.

Airport lactation pods provide nursing mothers traveling through Hartsfield-Jackson Atlanta International Airport with intimate and private areas to care for their babies. The suites have benches, breast pump sockets, and diaper-changing tables. After security has arrived, they can be found in the arrivals area to the west of the domestic terminal.

The Rental Car Center, a separate building on the airport property, handles on-site car rental pickups and returns. The Rental Car Center is easily reachable via the Atlanta SkyTrain. The Rental Car Center is served by various agencies including Advantage, Alamo, Avis, Budget, National, Dollar, Enterprise, Hertz, SIXT, Payless, and Thrifty.

Among airlines operating Ontario to Atlanta flights:

• Delta: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Delta operates flights between Ontario and Atlanta.

Flights from Ontario to Atlanta usually depart from Ontario (ONT) and arrive at Atlanta Hartsfield-Jackson (ATL).

Here are some options for this route, based on selected ticket types and cabin classes:

• Delta: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from Ontario to Atlanta:

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $346 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $520 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A321-100/200 family is used most often on this route, operated mainly by Delta and Alaska Airlines. Other aircraft seen on the route include Airbus A321neo variants.

One-stop flights from Ontario to Atlanta most commonly connect through:

• Denver Intl (DEN) - 35% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 28% of one-stop connections
• Dallas/Fort Worth (DFW) - 16% of one-stop connections
• Houston George Bush Intcntl (IAH) - 7% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 17% on the Ontario to Atlanta route. Thursday is the cheapest departure day at $433 round-trip on average, while Sunday is the most expensive at $519, a difference of $86. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Ontario to Atlanta flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in Atlanta are Georgia Aquarium, Atlanta Stadium and State Farm Arena. These are among the most viewed places in Atlanta on KAYAK.

These are the earliest and latest flight times available from Ontario to Atlanta:

• Earliest: departs at 7:05 am and lands at 11:12 am
• Latest: departs at 11:19 pm and lands at 3:26 am.

The flight takes about 4h 07m.

Last-minute fares on this route - booked within 2 weeks of departure - run 33% above the route average of $466. Book 9 weeks before departure for the lowest fares.

A nonstop flight from Ontario to Atlanta takes 4h 07m, covering 1,894 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $297 to $1,368. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Ontario to Atlanta are currently in line with typical prices for this route. Average one-way fares are about $245.

Flying via Austin Bergstrom (AUS) gives the shortest average 1-stop total travel time at 6h 07m, compared with 6h 21m via Phoenix Sky Harbor Intl (PHX) and 6h 31m via Salt Lake City (SLC).

Atlanta is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Atlanta Hartsfield-Jackson Airport (ATL) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:
• Routes Car & Truck Rentals
• Hertz
• Europcar
• Ace
• Dollar

Round-trip flights from Ontario to Atlanta range from $365 to $591, with an average of $466 over the past 12 months. Anything below $365 counts as a good deal.

Delta is the only airline on the Ontario to Atlanta route offering in-flight Wi-Fi. Pricing depends on fare class.