Cheap flights from Ontario to Atlanta

Flights overview

Useful information for finding cheap flights from Ontario to Atlanta and booking your next trip
Cheapest round-trip flights $210
Frontier 1 stop 19 hr Fri, May 29 — Fri, Jun 5
The cheapest round-trip flight from Ontario to Atlanta is currently $210
Cheapest one-way flight $105
Frontier 1 stop 9 hr Tue, Jun 2
The cheapest one-way flight from Ontario to Atlanta is currently $105
Cheapest nonstop flights $439
Delta Nonstop 5 hr Fri, Jul 10 — Thu, Jul 16
The cheapest nonstop round-trip flight from Ontario to Atlanta is currently $439
Last-minute weekend getaway $315
Frontier 1 stop 20 hr Sat, May 9 — Mon, May 11
The cheapest last-minute weekend getaway from Ontario to Atlanta is currently $315
Cheapest business class flights $458
Frontier 1 stop 20 hr Mon, Jun 1 — Mon, Jun 8
The cheapest business class round-trip flight from Ontario to Atlanta is currently $458
Fastest flight 4 hr 7 min The fastest nonstop flight from Ontario to Atlanta takes 4 hr 7 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Ontario to Atlanta is typically September. The most expensive month to fly is typically July.
September
Cheapest
Typical prices: $150–280
July
Most expensive
Typical prices: $250–350

Popular airlines from Ontario to Atlanta

  • Delta
    Nonstop
    from $439
    Typical price: $395–690
    21 weekly nonstop flights
    ONT - ATL Every day
    143 weekly connecting flights
    ONT - ATL Every day
  • Southwest
    from $392
    Typical price: $365–640
    627 weekly connecting flights
    ONT - ATL Every day
  • American
    from $459
    Typical price: $395–670
    228 weekly connecting flights
    ONT - ATL Every day
  • United
    from $459
    Typical price: $370–690
    83 weekly connecting flights
    ONT - ATL Every day
  • Frontier
    from $210
    Typical price: $180–345
    42 weekly connecting flights
    ONT - ATL Every day
  • Alaska
    from $477
    Typical price: $395–790
    21 weekly connecting flights
    ONT - ATL Every day

Popular airports near Ontario

  • Ontario International Airport (ONT)
    Ontario United States 11 min 2 mi
  • Los Angeles International Airport (LAX)
    Los Angeles United States 1 hr 7 min 44 mi
  • Tijuana International Airport (TIJ)
    Tijuana Mexico 2 hr 16 min 112 mi
  • San Diego International Airport (SAN)
    San Diego United States 1 hr 50 min 95 mi

Popular airports near Atlanta

  • Hartsfield-Jackson Atlanta International Airport (ATL)
    Atlanta United States 14 min 8 mi
  • Birmingham-Shuttlesworth International Airport (BHM)
    Birmingham United States 2 hr 11 min 136 mi
  • Greenville-Spartanburg International Airport (GSP)
    Greenville United States 2 hr 29 min 147 mi
  • Chattanooga Metropolitan Airport (CHA)
    Chattanooga United States 1 hr 48 min 100 mi

Frequently asked questions about flying from Ontario to Atlanta

The cheapest flights from Ontario to Atlanta are usually in September. Typical ticket prices in September range from $150 to $280.
The cheapest round-trip flight from Ontario to Atlanta recently found on Google Flights was with Frontier from $210. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Delta flight from Ontario to Atlanta is $439, flying from Jul 10 to Jul 16.
  • The cheapest Southwest flight from Ontario to Atlanta is $392, flying from Jun 1 to Jun 9.
  • The cheapest American flight from Ontario to Atlanta is $459, flying from Jun 4 to Jun 10.
  • The cheapest United flight from Ontario to Atlanta is $459, flying from Jul 30 to Aug 5.
  • The cheapest Frontier flight from Ontario to Atlanta is $210, flying from May 29 to Jun 5.
  • The cheapest Alaska flight from Ontario to Atlanta is $477, flying from May 28 to Jun 3.
The cheapest round-trip flight from Ontario to Atlanta starts at $210 from Fri, May 29 to Fri, Jun 5. The cheapest one-way flight starts at $105 and departs on Tue, Jun 2.
4 hr 7 min is the shortest flight time from Ontario to Atlanta.
Atlanta is a year-round destination, though most visitors arrive in summer (May–Sep). Winters (Nov–Mar) are generally mild. Big events include celebrations for Martin Luther King, Jr., Weekend (Jan) and Independence Day (Jul 4). The Yellow Daisy Festival (Sep), an arts and crafts fair, is held in nearby Stone Mountain.
It's easy to use Google Flights to find the cheapest days to fly from Ontario to Atlanta.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Ontario to Atlanta really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Ontario to Atlanta.

In terms of nonstop flights, Delta is the most popular. Delta offers 21 nonstop flights and 143 connecting flights per week. Delta flies from Ontario International Airport (ONT) to Hartsfield-Jackson Atlanta International Airport (ATL) .

In terms of flights, Southwest is the most popular. Southwest offers 627 connecting flights per week. Southwest flies from Ontario International Airport (ONT) to Hartsfield-Jackson Atlanta International Airport (ATL) .

Other popular airlines flying from Ontario to Atlanta are:
  • American offers 228 connecting flights per week. American flies from Ontario International Airport (ONT) to Hartsfield-Jackson Atlanta International Airport (ATL) .
  • United offers 83 connecting flights per week. United flies from Ontario International Airport (ONT) to Hartsfield-Jackson Atlanta International Airport (ATL) .
  • Frontier offers 42 connecting flights per week. Frontier flies from Ontario International Airport (ONT) to Hartsfield-Jackson Atlanta International Airport (ATL) .
  • Alaska offers 21 connecting flights per week. Alaska flies from Ontario International Airport (ONT) to Hartsfield-Jackson Atlanta International Airport (ATL) .
The number of connecting flights refers to distinct flights with at least one stop between Ontario and Atlanta.
The cheapest round-trip flight from Ontario to Atlanta recently found on Google Flights was with Frontier from $210. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Delta flight from Ontario to Atlanta is $439, flying from Jul 10 to Jul 16.
  • The cheapest Southwest flight from Ontario to Atlanta is $392, flying from Jun 1 to Jun 9.
  • The cheapest American flight from Ontario to Atlanta is $459, flying from Jun 4 to Jun 10.
  • The cheapest United flight from Ontario to Atlanta is $459, flying from Jul 30 to Aug 5.
  • The cheapest Frontier flight from Ontario to Atlanta is $210, flying from May 29 to Jun 5.
  • The cheapest Alaska flight from Ontario to Atlanta is $477, flying from May 28 to Jun 3.
Delta flies direct from Ontario to Atlanta.
  • There are 21 Delta direct flights from Ontario to Atlanta per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Ontario and Atlanta at price $315 is offered by Frontier from Sat, May 9 to Mon, May 11.
Delta flies direct from Ontario to Atlanta.
  • There are 21 Delta direct flights from Ontario to Atlanta per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Ontario to Atlanta on a daily basis.
The cheapest direct (nonstop) round-trip flights between Ontario and Atlanta start at $439 from Fri, Jul 10 to Thu, Jul 16 with Delta.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Ontario to Atlanta, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Ontario and Atlanta start at $458 from Mon, Jun 1 to Mon, Jun 8 with Frontier.
The cheapest economy class round-trip flights between Ontario and Atlanta start at $210 from Fri, May 29 to Fri, Jun 5.
To book business class trips from Ontario to Atlanta, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Ontario and Atlanta starts at $315 from Sat, May 9 to Mon, May 11 with Frontier.
The cheapest last-minute deal between Ontario and Atlanta at price $315 is offered by Frontier from Sat, May 9 to Mon, May 11.
To find last-minute flight deals from Ontario to Atlanta, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

Search more flights

Popular trips from Ontario

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  3. Hong Kong
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