Cheap flights from Ontario to Atlanta (ONT - ATL) from $90

If you're flying from Ontario to Atlanta, you'll hop on your plane at Ontario International Airport. Located two miles east of Downtown Ontario and roughly 38 miles east of Downtown Los Angeles, Ontario International Airport is one of the most used airports in California and its surrounding states. In Atlanta, your plane will touch down at Hartsfield-Jackson Atlanta International Airport. Commonly referred to as ATL, this airport usually has lots of human traffic as it is the second-busiest airport in the world. If you've not made arrangements to be picked up from this airport, worry not, as the airport allows for numerous cab drivers to pick up departing passengers. Given that the airport's professionals are quite knowledgeable, don't hesitate to contact them if you get lost or need assistance.

If you'd like to fly directly to Atlanta from Ontario, you're in luck as Delta Air Lines offers nonstop Ontario to Atlanta flights. Delta Air Lines, just like most other airlines, often require that their passengers reach the airport 2h before their scheduled flight departs. The airlines demand that passengers arrive this early to check-in, have their luggage inspected, and sort out any issues that may need resolving before it's too late. As this is the case, if you book a Delta Air Lines flight, it's in your best interest to reach the airport 2h before your plane leaves.

There are a good number of layover options between Ontario and Atlanta. The most notable stop options include Salt Lake City, Denver, and Dallas. If you choose a flight that stops in Denver, you'll land at Denver International. Regarded as one of the most exceptional airports globally, this airport has several duty-free shops, top-notch restaurants, clean washrooms, and adequately large lounges. Given that it has all these features, it's safe to say that you'll have a good time at this airport. If you book a flight that will stop in Dallas, you'll land at Dallas/Fort Worth International Airport. Home to several boutiques, accomplished spas, and affordable restaurants, you'll greatly enjoy a layover at this airport.

Flights from Ontario to Atlanta are domestic flights. For domestic flights, U.S. citizens don't need a visa. Instead, you can use documents such as a U.S. passport card, an accepted driver's license, a permanent resident card, or even a U.S. citizenship and immigration services employment authorization card. If you get to the airport and notice that you've misplaced the documents you require to be allowed to board, don't stress. Instead, call one of the TSA officers at the airport. When you do, you’ll be assisted accordingly.