$64 Find Cheap Flights from Ontario to Atlanta - Compare and Save

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

• Earliest: departs at 7:00 am and lands at 11:07 am
• Latest: departs at 11:15 pm and lands at 3:22 am.

The flight takes about 4h 07m.

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

• Economy Class
• First Class

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.

Round-trip flights from Ontario to Atlanta range from $399 to $609, with an average of $489 over the past 12 months. Anything below $399 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 36% above the $489 route average. Book 22 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $353 round-trip via Dallas Love Field (DAL), compared to $551 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. Other aircraft seen on the route include Airbus A321neo variants.

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%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $344 to $2,149. That means the highest observed fare was about 6x higher than the lowest one.

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

One-way fares from Ontario to Atlanta are currently lower than usual. Average one-way flight prices are about $188, which is 25% below the typical average for this route.

Atlanta Hartsfield-Jackson Airport (ATL) hosts 5 major car rental companies, with daily rates averaging $58 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Europcar
• Hertz
• Ace
• Dollar

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

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

• Denver Intl (DEN) - 42% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 22% of one-stop connections
• Dallas/Fort Worth (DFW) - 16% of one-stop connections
• Houston George Bush Intcntl (IAH) - 6% of one-stop connections

Yes. Flexible dates can save you up to 20% on flights from Ontario to Atlanta. Wednesday is the cheapest departure day at $457 round-trip on average, while Monday is the most expensive at $569, a difference of $112.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only Delta operates flights between Ontario and Atlanta.

Flying via Austin Bergstrom (AUS) gives the shortest average 1-stop total travel time at 6h 07m, compared with 6h 31m via Salt Lake City (SLC) and 6h 34m via Phoenix Sky Harbor Intl (PHX).

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

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.

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.

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

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

Ontario International Airport (ONT) has several parking lots at different price points. A separate Cell Phone Waiting Lot is also available, with its entrance off Rental Car. Parking Lot D is at the International Arrivals Terminal. Parking Lot 2 is at Terminal 2 and Parking Lot 3 is located between Terminals 2 and 4. Parking Lot 5 is near the rental vehicle facility on the east side of Terminal Way and the airport shuttle service is available there.

Yes, the Rental Car Center can be reached via the Atlanta SkyTrain and is served by various agencies.

Hartsfield-Jackson Atlanta International Airport (ATL) has lactation pods in post-security areas near the gates and in the Domestic Terminal's West Crossover. The suites provide private spaces for nursing and infant care, with bench seating and electric outlets for breast pumps.