Cheap Flights from Ontario to Atlanta (ONT to ATL) from $112.00

Planning a trip from Southern California's Inland Empire to the heart of the American South? Flying from Ontario (ONT) to Atlanta (ATL) with Globitude Travels offers seamless travel choices. Whether you prefer budget-friendly options on Frontier starting at $259 or full-service convenience on Delta Air Lines from $490, we help you lock in great rates for your journey.

📞 Call 1-856-513-6369

Cheapest fares from Ontario to Atlanta

Lowest fare found per airline on the ONT → ATL route, with our discounted phone-deal price.

Airline	Cabin	Found fare	Our discounted fare	Fare found on
Frontier	Economy	~~$187.97~~	$112.78	Sep 12, 2026	Book
Southwest	Economy	~~$294.00~~	$176.40	Sep 12, 2026	Book
Alaska Airlines	Economy	~~$399.20~~	$239.52	Sep 12, 2026	Book
United Airlines	Economy	~~$421.81~~	$253.09	Sep 12, 2026	Book
Delta Air Lines	Economy	~~$443.40~~	$266.04	Sep 12, 2026	Book
American Airlines	Economy	~~$453.20~~	$271.92	Sep 12, 2026	Book
JetBlue	Economy	~~$461.80~~	$277.08	Sep 12, 2026	Book

Discounted fares are negotiated phone deals from our vendor network and may not appear in online search results — call 1-856-513-6369 to lock one in. Fares were found on the dates shown, are per person in USD, and change with availability.

Flying from Ontario to Atlanta with Globitude Travels

Departing from Ontario International Airport (ONT) provides a stress-free, convenient alternative to busier Southern California hubs. Your flight lands at Hartsfield-Jackson Atlanta International Airport (ATL), a major aviation hub offering rapid MARTA train connections directly into the city center.

Atlanta boasts a vibrant mix of historical landmarks, lush green spaces, and renowned Southern dining. Explore distinct neighborhoods such as Midtown, Buckhead, and Inman Park while enjoying a humid subtropical climate that brings warm summers and mild winters perfect for year-round sightseeing.

Money-saving tips for this route

Fly on Tuesdays or Wednesdays to secure lower rates between Ontario and Atlanta.
Pack light when booking Frontier's Economy option to keep total trip costs near the $259 starting rate.
Use Atlanta's MARTA rail system directly from ATL airport to avoid highway traffic and pricey rideshares.
Book your flights at least three weeks early with Globitude Travels to grab optimal seating choices and prices.

Frequently asked questions

Which airlines fly from Ontario (ONT) to Atlanta (ATL)?

Frontier and Delta Air Lines fly this route, with economy fares starting from $259 on Frontier and $490 on Delta Air Lines through Globitude Travels.

What are the origin and destination airports for this route?

Flights depart from Ontario International Airport (ONT) in California and arrive at Hartsfield-Jackson Atlanta International Airport (ATL) in Georgia.

Are nonstop flights available between ONT and ATL?

Both nonstop and connecting flight options may be available depending on airline schedules and travel dates.

What is generally the cheapest time to book flights to Atlanta?

Booking 3 to 6 weeks in advance and flying during midweek days or shoulder seasons like spring and autumn usually delivers the best deals.

Can I book my ONT to ATL flight over the phone with Globitude Travels?

Yes, you can call Globitude Travels directly to receive personalized assistance and lock in the best available fares for your trip.

Related routes

↩ Atlanta to Ontario Ontario to Baton Rouge Ontario to Belize City Ontario to Bogota Ontario to Boston Ontario to Buffalo Ontario to Cancún Albany to Atlanta Atlantic City to Atlanta Baltimore to Atlanta Boston to Atlanta Casablanca to Atlanta Chicago to Atlanta All routes →

Why book with Globitude Travels

💸 Transparent pricing
The fare you see is all-inclusive — taxes and fees shown before you pay, never after.

🤝 Real travel experts
Every booking is reviewed by our team, and phone-only vendor deals can beat any online price.

🎧 24/7 human support
Before, during and after your trip — changes, cancellations and special requests handled by people.

🔒 Secure checkout
Encrypted payment, verified confirmation emails, and your PNR delivered as soon as the airline issues it.

Globitude Travels is an independent travel agency — call 1-856-513-6369 or use the search above to compare live fares on this route. See our terms, privacy policy, refund policy and service fees for full details, or contact us any time.

Page updated September 13, 2026 · fare data refreshed automatically from live flight searches.