Cheap flights from Ontario to Atlanta

One-way fares from $87 · ONT → ATL · prices found by travellers in the last 48 hours

Compare all dates Atlanta → Ontario
Cheapest fare
$87

Frontier Airlines · Wed, Dec 16

Cheapest month
December

from $87

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 22m

3,060 km

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Cheapest month to fly from Ontario to Atlanta

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $123
  2. December 2026 Cheapest $87

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About flights from Ontario to Atlanta

Ontario (ONT) and Atlanta (ATL) are about 3,060 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 22m. Over the next few months, one-way fares start from $87, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Ontario to Atlanta?

The cheapest one-way fare we've seen recently is $87 with Frontier Airlines, departing Wednesday, December 16, 2026. Over the coming months, the lowest fare in each month ranges from $87 to $123.

What is the cheapest month to fly from Ontario to Atlanta?

December 2026 currently has the lowest fares, from $87 one way.

Are there direct flights from Ontario to Atlanta?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Ontario to Atlanta?

The quickest journey we've seen takes about 5h 22m. Ontario and Atlanta are around 3,060 km apart.

Which airlines fly from Ontario to Atlanta?

Recent fares on this route were with Frontier Airlines.

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