
Popular airlines from Hartsfield-Jackson Atlanta International Airport (ATL) to Los Angeles - Ontario Intl. Airport (ONT)
- Delta
Delta
- Southwest Airlines
Southwest Airlines
- Alaska Airlines
Alaska Airlines
- Frontier Airlines
Frontier Airlines
- American Airlines
American Airlines
- United
United
- JetBlue Airways
JetBlue Airways
- Plan, book, fly with confidence
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Cheap Flights from Atlanta (ATL) to Ontario (ONT)
Prices were available within the past 7 days and start at £113 for one-way flights and £222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Atlanta (ATL) to Ontario (ONT)
October is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Hartsfield-Jackson Atlanta Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Alaska Airlines, Delta, Hawaiian Airlines |
Return price | £222 |
Distance | 3029 km |
Average flight time | 1 hour 18 mins |
Compare flights from Atlanta to Ontario easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Atlanta to Ontario. Operating between them 7 flights per day, 20 airlines cover the route. And KLM, LATAM Airlines, Air France, Delta Air Lines, Aeromexico fly direct, getting you to Los Angeles - Ontario Intl. in just 1hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Hartsfield-Jackson Atlanta Intl. to Los Angeles - Ontario Intl..
To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.
Grab a great deal on your flight from Hartsfield-Jackson Atlanta Intl. (ATL) to Los Angeles - Ontario Intl. (ONT)
The easiest way to view the best deals on flights from Atlanta to Ontario today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Hartsfield-Jackson Atlanta Intl. to Los Angeles - Ontario Intl. start at just £222 and range up to £287.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Atlanta and Ontario
- booking your flight during January, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your Atlanta to Ontario flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Hartsfield-Jackson Atlanta Intl. to Los Angeles - Ontario Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.
Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.
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