$390 Cheap United flights Ontario (ONT) to Atlanta (ATL)

View $390 flight on Mon, Mar 30, 2026Opens in a new window

$390 Cheap United flights Ontario (ONT) to Atlanta (ATL)

Prices were available within the past 7 days and start at $390 for one-way flights and $669 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 21 - Sat, Jan 24
ONT
Ontario
ATL
Atlanta
$669 Roundtrip, found 1 day ago
$669
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 21 from Ontario to Atlanta, returning Sat, Jan 24, priced at $669 found 1 day ago

Find the cheapest month to fly from Ontario (ONT) to Atlanta (ATL)

February is typically the cheapest month to fly

From $130 - $277 per traveler.

Alternative airports near Atlanta

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Hartsfield-Jackson Atlanta Intl. ATL. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $209
ATL
Hartsfield-Jackson Atlanta Intl.
Cheapest
Average driving time to city center16 min
Flights from $209
Flights from Ontario (ONT) to Atlanta (ATL)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Hartsfield-Jackson Atlanta Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
3029 km
Average flight time
7 hours 7 mins