£142 Cheap Flights from Atlanta (ATL) to Ontario Intl. Airport (ONT)
Popular airlines from Hartsfield-Jackson Atlanta International Airport (ATL) to Ontario Intl. Airport (ONT)
Frontier AirlinesFrontier Airlines
Alaska AirlinesAlaska Airlines
Southwest AirlinesSouthwest Airlines
DeltaDelta
UnitedUnited
American AirlinesAmerican Airlines
JetBlue AirwaysJetBlue Airways
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Cheap Flights from Atlanta to Ontario (ATL-ONT)
Alternative airports near Ontario
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Atlanta (ATL) to Ontario (ONT)
October is typically the cheapest month to flyOctober is typically the cheapest month to fly
Book with confidence
Compare flights from Atlanta to Ontario Intl. Airport easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Atlanta to Ontario Intl. Airport. Operating between them 3 flights per day, 5 airlines cover the route. And Delta Air Lines fly direct, getting you to Ontario Intl. Airport in just 4hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Hartsfield-Jackson Atlanta Intl. to Ontario Intl. Airport.
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 Ontario Intl. Airport (ONT)
The easiest way to view the best deals on flights from Atlanta to Ontario Intl. Airport 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 Ontario Intl. Airport start at just £296 and range up to £475.
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 Intl. Airport
- booking your flight during October, 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 Intl. Airport 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 Ontario Intl. Airport 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.
Frequently Asked Questions
How much is a flight from Hartsfield–Jackson Atlanta International Airport to Los Angeles - Ontario Intl. Airport (ONT)?
The lowest price advertised for a round-trip journey from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Los Angeles - Ontario Intl. Airport (ONT) is £296. But you better act fast. This price is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ATL to ONT?
Most flights can be conveniently cancelled online, but whether you incur a fee varies between airlines. If you do need to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from ATL to Ontario Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for ATL to ONT flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Hartsfield–Jackson Atlanta International Airport to Los Angeles - Ontario Intl. Airport (ONT)?
It's around 3,100 kilometres between Hartsfield–Jackson Atlanta International Airport and Los Angeles - Ontario Intl. Airport (ONT), so expect to be strapped into your seat for a while. Keep yourself entertained with things like your e-reader or a good old-fashioned book.
Which airlines fly direct from Atlanta Airport to ONT?
A popular choice with many frequent flyers, Delta Air Lines (DL) operates 69 monthly flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Los Angeles - Ontario Intl. Airport (ONT). Pick the one that suits your travel plans and book your fare today.
Are Atlanta Airport to Los Angeles - Ontario Intl. Airport (ONT) flight tickets cheaper when they're purchased at the last minute?
Airline tickets from ATL to ONT are available up to 12 months before departure on Expedia. And although you may pick up great last-minute deal, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more options — and you can avoid ending up with the dreaded middle seat! We frequently update our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.
Travel information
Origin airport | Hartsfield-Jackson Atlanta International Airport |
|---|---|
Destination airport | Ontario Intl. Airport |
Distance | 1,893 miles away |
Airlines serving | Frontier Airlines, Alaska Airlines, Southwest Airlines, Delta, United, American Airlines, JetBlue Airways |
Popular airline | Frontier Airlines |
Return price | £296 |
Average flight time | 4 hours 29 mins |