Cheap Flights from Atlanta, GA to Ontario, CA from $27

Return flight: Ontario – Atlanta

On Cheapflightsplus.com you will find 6 direct and 245 connecting flights from Atlanta to Ontario. You can compare airfare deals from 6 airlines and multiple travel sites from $27, book and save on cheap plane tickets and last minute offers. Also check out ATL-ONT flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Atlanta to Ontario Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $27 (one-way), $46 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Atlanta to Ontario. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
08:55 — 10:25
08:55 — 10:25 DL897 Delta Air Lines Inc.
Atlanta — Ontario
4h 30m
Find flight
from$136
09:42 — 11:20
09:42 — 11:20 DL784 Delta Air Lines Inc.
Atlanta — Ontario
4h 38m
Find flight
from$142
09:56 — 11:15
09:56 — 11:15 DL495 Delta Air Lines Inc.
Atlanta — Ontario
4h 19m
Find flight
from$142
19:30 — 21:08
19:30 — 21:08 DL409 Delta Air Lines Inc.
Atlanta — Ontario
4h 38m
Find flight
from$142
20:39 — 22:09
20:39 — 22:09 DL1962 Delta Air Lines Inc.
Atlanta — Ontario
4h 30m
Find flight
from$136
20:39 — 22:09
20:39 — 22:09 DL484 Delta Air Lines Inc.
Atlanta — Ontario
4h 30m
Find flight
from$142
05:30 — 09:56
05:30 — 06:50 F9419 Frontier Airlines
Atlanta — Denver
1h 40m stop
08:30 — 09:56 F9371 Frontier Airlines
Denver — Ontario
7h 26m
including layover
Find flight
from$27
05:30 — 12:33
05:30 — 06:50 F9419 Frontier Airlines
Atlanta — Denver
4h 25m stop
11:15 — 12:33 UA5593 United Airlines
Denver — Ontario
10h 3m
including layover
Find flight
from$80
08:40 — 15:04
08:40 — 10:09 UA533 United Airlines
Atlanta — Denver
3h 36m stop
13:45 — 15:04 UA617 United Airlines
Denver — Ontario
9h 24m
including layover
Find flight
from$89
09:00 — 15:35
09:00 — 10:24 F9421 Frontier Airlines
Atlanta — Denver
3h 56m stop
14:20 — 15:35 WN1368 Southwest Airlines
Denver — Ontario
9h 35m
including layover
Find flight
from$83
10:30 — 09:56
+1 day
10:30 — 11:54 F9421 Frontier Airlines
Atlanta — Denver
20h 36m stop
08:30 — 09:56 F9371 Frontier Airlines
Denver — Ontario
26h 26m
including layover
Find flight
from$32
15:05 — 10:20
+1 day
15:05 — 16:25 F9421 Frontier Airlines
Atlanta — Denver
16h 40m stop
09:05 — 10:20 WN1534 Southwest Airlines
Denver — Ontario
22h 15m
including layover
Find flight
from$81
15:55 — 23:00
15:55 — 17:29 F9419 Frontier Airlines
Atlanta — Denver
4h 11m stop
21:40 — 23:00 WN449 Southwest Airlines
Denver — Ontario
10h 5m
including layover
Find flight
from$83
16:56 — 16:03
+1 day
16:56 — 18:10 UA363 United Airlines
Atlanta — Denver
20h 30m stop
14:40 — 16:03 F9371 Frontier Airlines
Denver — Ontario
26h 7m
including layover
Find flight
from$89
20:04 — 11:48
+1 day
20:04 — 21:35 UA5312 United Airlines
Atlanta — Denver
12h 45m stop
10:20 — 11:48 F9371 Frontier Airlines
Denver — Ontario
18h 44m
including layover
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from$89
21:28 — 07:17
+1 day
21:28 — 22:53 F91511 Frontier Airlines
Atlanta — Denver
7h 7m stop
06:00 — 07:17 F9375 Frontier Airlines
Denver — Ontario
12h 49m
including layover
Find flight
from$86
06:10 — 08:25
+1 day
06:10 — 07:13 NK762 Spirit Airlines
Atlanta — Chicago
1h 37m stop
08:50 — 10:29 NK2872 Spirit Airlines
Chicago — Denver
20h 31m stop
07:00 — 08:25 F9371 Frontier Airlines
Denver — Ontario
29h 15m
including layover
Find flight
from$78
07:05 — 17:09
07:05 — 08:28 NK2862 Spirit Airlines
Atlanta — Dallas
4h 4m stop
12:32 — 13:43 F9265 Frontier Airlines
Dallas — Denver
2h 5m stop
15:48 — 17:09 F9371 Frontier Airlines
Denver — Ontario
13h 4m
including layover
Find flight
from$71
07:05 — 12:50
+1 day
07:05 — 08:28 NK2862 Spirit Airlines
Atlanta — Dallas
7h 35m stop
16:03 — 16:55 NK359 Spirit Airlines
Dallas — Las Vegas
18h 50m stop
11:45 — 12:50 WN1699 Southwest Airlines
Las Vegas — Ontario
32h 45m
including layover
Find flight
from$72
08:00 — 14:08
+1 day
08:00 — 09:36 NK1560 Spirit Airlines
Atlanta — Minneapolis
20h 24m stop
06:00 — 07:20 F9459 Frontier Airlines
Minneapolis — Denver
5h 25m stop
12:45 — 14:08 F9371 Frontier Airlines
Denver — Ontario
33h 8m
including layover
Find flight
from$67
09:30 — 17:32
+1 day
09:30 — 11:32 NK600 Spirit Airlines
Atlanta — Philadelphia
8h 27m stop
19:59 — 22:24 F9171 Frontier Airlines
Philadelphia — Denver
17h 50m stop
16:14 — 17:32 F9371 Frontier Airlines
Denver — Ontario
35h 2m
including layover
Find flight
from$81
10:40 — 17:09
+1 day
10:40 — 11:48 NK363 Spirit Airlines
Atlanta — Houston
24h 22m stop
12:10 — 13:40 F9243 Frontier Airlines
Houston — Denver
2h 8m stop
15:48 — 17:09 F9371 Frontier Airlines
Denver — Ontario
33h 29m
including layover
Find flight
from$60
11:00 — 10:20
+1 day
11:00 — 13:10 F92382 Frontier Airlines
Atlanta — Philadelphia
8h 20m stop
21:30 — 23:46 F9171 Frontier Airlines
Philadelphia — Denver
9h 19m stop
09:05 — 10:20 WN1534 Southwest Airlines
Denver — Ontario
26h 20m
including layover
Find flight
from$78
11:00 — 21:07
+1 day
11:00 — 13:10 F92382 Frontier Airlines
Atlanta — Philadelphia
8h 20m stop
21:30 — 23:46 F9171 Frontier Airlines
Philadelphia — Denver
19h 59m stop
19:45 — 21:07 UA683 United Airlines
Denver — Ontario
37h 7m
including layover
Find flight
from$79
13:19 — 22:00
13:19 — 14:54 NK1560 Spirit Airlines
Atlanta — Minneapolis
1h 6m stop
16:00 — 17:20 NK169 Spirit Airlines
Minneapolis — Las Vegas
3h 45m stop
21:05 — 22:00 WN1662 Southwest Airlines
Las Vegas — Ontario
11h 41m
including layover
Find flight
from$84
13:53 — 12:33
+1 day
13:53 — 16:03 F92382 Frontier Airlines
Atlanta — Philadelphia
5h 27m stop
21:30 — 23:46 F9171 Frontier Airlines
Philadelphia — Denver
11h 29m stop
11:15 — 12:33 UA5593 United Airlines
Denver — Ontario
25h 40m
including layover
Find flight
from$79
14:00 — 17:09
+1 day
14:00 — 15:07 NK762 Spirit Airlines
Atlanta — Chicago
15h 23m stop
06:30 — 08:20 F9411 Frontier Airlines
Chicago — Denver
7h 28m stop
15:48 — 17:09 F9371 Frontier Airlines
Denver — Ontario
30h 9m
including layover
Find flight
from$64
14:00 — 12:33
+1 day
14:00 — 15:07 NK762 Spirit Airlines
Atlanta — Chicago
2h 48m stop
17:55 — 19:37 NK552 Spirit Airlines
Chicago — Denver
15h 38m stop
11:15 — 12:33 UA5593 United Airlines
Denver — Ontario
25h 33m
including layover
Find flight
from$71
16:55 — 14:08
+1 day
16:55 — 18:48 NK3003 Spirit Airlines
Atlanta — Detroit
15h 22m stop
10:10 — 11:27 F9623 Frontier Airlines
Detroit — Denver
1h 18m stop
12:45 — 14:08 F9371 Frontier Airlines
Denver — Ontario
24h 13m
including layover
Find flight
from$71
17:39 — 17:09
+1 day
17:39 — 18:54 UA208 United Airlines
Atlanta — Houston
17h 16m stop
12:10 — 13:40 F9243 Frontier Airlines
Houston — Denver
2h 8m stop
15:48 — 17:09 F9371 Frontier Airlines
Denver — Ontario
26h 30m
including layover
Find flight
from$81
17:39 — 17:09
+1 day
17:39 — 18:54 UA208 United Airlines
Atlanta — Houston
11h 6m stop
06:00 — 07:29 F9245 Frontier Airlines
Houston — Denver
8h 19m stop
15:48 — 17:09 F9371 Frontier Airlines
Denver — Ontario
26h 30m
including layover
Find flight
from$87
18:10 — 11:20
+1 day
18:10 — 19:34 NK233 Spirit Airlines
Atlanta — Dallas
4h 11m stop
23:45 — 00:20 NK1971 Spirit Airlines
Dallas — Phoenix
9h 45m stop
10:05 — 11:20 WN2217 Southwest Airlines
Phoenix — Ontario
20h 10m
including layover
Find flight
from$88
18:15 — 14:08
+1 day
18:15 — 19:28 AA1692 American Airlines
Atlanta — Chicago
11h 2m stop
06:30 — 08:20 F9411 Frontier Airlines
Chicago — Denver
4h 25m stop
12:45 — 14:08 F9371 Frontier Airlines
Denver — Ontario
22h 53m
including layover
Find flight
from$75
19:06 — 15:04
+1 day
19:06 — 21:03 NK600 Spirit Airlines
Atlanta — Philadelphia
10h 50m stop
07:53 — 09:58 UA1616 United Airlines
Philadelphia — Denver
3h 47m stop
13:45 — 15:04 UA617 United Airlines
Denver — Ontario
22h 58m
including layover
Find flight
from$89
19:12 — 15:04
+1 day
19:12 — 21:14 NK600 Spirit Airlines
Atlanta — Philadelphia
12h 6m stop
09:20 — 11:34 F9171 Frontier Airlines
Philadelphia — Denver
2h 11m stop
13:45 — 15:04 UA617 United Airlines
Denver — Ontario
22h 52m
including layover
Find flight
from$85
20:10 — 09:56
+2 days
20:10 — 22:23 F92382 Frontier Airlines
Atlanta — Philadelphia
10h 57m stop
09:20 — 11:34 F9171 Frontier Airlines
Philadelphia — Denver
20h 56m stop
08:30 — 09:56 F9371 Frontier Airlines
Denver — Ontario
40h 46m
including layover
Find flight
from$77
21:20 — 09:56
+2 days
21:20 — 22:28 UA5758 United Airlines
Atlanta — Chicago
17h 58m stop
16:26 — 18:19 F9411 Frontier Airlines
Chicago — Denver
14h 11m stop
08:30 — 09:56 F9371 Frontier Airlines
Denver — Ontario
39h 36m
including layover
Find flight
from$75
*Departure and arrival times - local. Updated on May 22, 2024

Flight Information

Below we will explain in detail what the flights cost on the destination from Atlanta to Ontario depends on and how to choose the most interesting flight option for you.

Distance between Atlanta and Ontario is 3050 miles. Time difference between the cities is 3h. Airplanes depart 05:30 to 23:52 from 7 Atlanta airports and arrive 05:30 to 23:52 to 2 Ontario airports. Average flight time is 4h 30m.

  • The fastest flight 4h 19m
  • Average flight time 4h 30m
  • The earliest flight 05:30
  • The latest flight 23:52
  • Distance 1896 ml

What is the lowest airfare Atlanta to Ontario?

The cheapest plane ticket found by our users is $27. This airfare is for economy class on one-way F9419 flight by Frontier Airlines for October 3, 2020 which leaves Hartsfield-Jackson in Atlanta at 05:30 am and arrives at Ontario Ontario Int. at 09:56.

Economy class
$27
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Business class
?
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First class
?
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Popular Airlines on the Route

The flight Atlanta — Ontario is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by American Airlines - 27 departures per week at the price of from $ 75 . And the most expensive tickets are offered by Delta Air Lines Inc. airline - from $ 603.

Direct flights

There are 6 nonstop flights on the route. The fastest direct flight is DL495 by Delta Air Lines Inc. takes 4h 19m and the cheapest is F9419 by Frontier Airlines for $136.

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Connecting Flights

There are 245 flights with layovers on the route. The fastest connecting flight is WN1699 by Southwest Airlines takes 6h and the cheapest is F9419 by Frontier Airlines for $27.

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Airports

You can fly from Atlanta to Ontario from 7 airports (Perimeter Mall, DeKalb-Peachtree, Hartsfield-Jackson, Beaver Ruin, Fulton County, Galleria Heliport, Technology Park).

Atlanta airports

  • Perimeter Mall-JAJ
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  • DeKalb-Peachtree-PDK
    Find
  • Hartsfield-Jackson-ATL
    from $27
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  • Beaver Ruin-JAO
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  • Fulton County-FTY
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  • Galleria Heliport-JGL
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  • Technology Park-JAE
    Find

Ontario airports

  • Ontario Int.-ONT
    Find
  • International Heliport-JIO
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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