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Cheap Flights from Atlanta to Ontario, CA, United States - ATL to ONT Last modified: May 25, 2016 6:41 AM

Popular flights from Atlanta to Ontario Last modified: May 25, 2016 6:41 AM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

American Airlines
Departure Date Return Date Lowest Price
Sep 19, 2016 Oct 4, 2016 $309
Sep 20, 2016 Oct 4, 2016 $309
Sep 21, 2016 Sep 27, 2016 $309
Sep 21, 2016 Sep 28, 2016 $309
United Airlines
Departure Date Return Date Lowest Price
Sep 19, 2016 Sep 27, 2016 $284
Sep 19, 2016 Oct 4, 2016 $284
Sep 20, 2016 Oct 4, 2016 $284

How Much Does it Cost to Fly from Atlanta to Ontario (ATL to ONT)?

We have collected flight cost data from across the web for travel from Atlanta to Ontario, and have found the average flight price for this trip to be $390.

When Can I Buy the Cheapest Flight from Atlanta to Ontario (ATL to ONT)?

Airlines can adjust prices for plane tickets from Atlanta to Ontario based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from Atlanta to Ontario

The chart below shows up-to-date information regarding the cheapest days to fly from Atlanta to Ontario.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$420 $374 $379 $379 $361 $379 $433

Lowest Fares Chart By Month from Atlanta to Ontario

The chart below shows the lowest fare by month when flying from Atlanta to Ontario.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Atlanta Ontario American 5/31/16 6/1/16 1 $502
June Atlanta Ontario American 6/3/16 6/10/16 2 $361
July Atlanta Ontario American 7/30/16 7/31/16 1 $379
August Atlanta Ontario American 8/25/16 8/28/16 1 $326
September Atlanta Ontario United 9/19/16 9/27/16 1 $284
October Atlanta Ontario American 10/19/16 10/27/16 2 $319
November Atlanta Ontario American 11/16/16 11/30/16 2 $319
December Atlanta Ontario American 12/21/16 1/1/17 1 $337

Round Trip vs One Way Flights from Atlanta to Ontario (ATL to ONT)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Atlanta to Ontario. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Atlanta to Ontario is $211.

The average price for round trip flights from Atlanta to Ontario is $392.

Atlanta to Ontario Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Atlanta to Ontario?
Answer: Denver, CO

Airlines Flying from Atlanta to Ontario (ATL to ONT) Number of flights searched: 156Last modified: May 25, 2016 6:41 AM

Below are the different airlines that fly from Atlanta to Ontario with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Atlanta to Ontario.

Atlanta to Ontario
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHX X X X X X X X
Delta SLC X X X X X X X
Delta CVG / SLC X X X X X X X
United IAH X X X X X X X
Southwest PHX X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Atlanta and Ontario, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Atlanta - ATL

FlightsAirlineLowest Price
Atlanta to Los Angeles American, Alaska, Frontier, Spirit, United $204
Atlanta to Las Vegas American, Alaska, Frontier, Spirit, United $158
Atlanta to Santa Ana American, Alaska, Frontier, United $237
Atlanta to San Diego American, Alaska, JetBlue, Frontier, Spirit, United $318
Atlanta to San Francisco American, Alaska, Frontier, United $207
Atlanta to Long Beach American, JetBlue, United $458
Atlanta to Burbank American, Alaska, United $355
Atlanta to Palm Springs American, Alaska, United $358
Atlanta to New York American, JetBlue, Frontier, United $148
Atlanta to Phoenix American, Alaska, Frontier, United $168
Atlanta to Denver American, Frontier, Spirit, United $160
Atlanta to Dallas - Ft Worth American, Alaska, Spirit, United $132

Cheap Domestic Flights to Ontario - ONT

FlightsAirlineLowest Price
Huntsville to Ontario American, Alaska, United $473
Birmingham to Ontario American, United $434
Chattanooga to Ontario American, United $438
Greenville to Ontario American, United $417
Augusta to Ontario American $521
Asheville to Ontario American $642
Knoxville to Ontario American, Alaska, United $534
Montgomery to Ontario American $475
Columbia to Ontario American, United $480
Albany to OntarioCheck Dates
Columbus to OntarioCheck Dates
Birmingham to Los Angeles American, Alaska, United $323
Huntsville to Los Angeles American, Alaska, United $396
Knoxville to Los Angeles American, Alaska, Frontier, United $403
Greenville to Los Angeles American, United $360
Columbia to Los Angeles American, United $316
Augusta to Los Angeles American $413
Asheville to Los Angeles American, United $452
Cheap Flights from Atlanta to Ontario, CA, United States, from $284 Round trip from ATL to ONT