$177+ Cheap flights from Ontario to Atlanta (ATL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ATL
Oct 25 — Nov 11
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Atlanta with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Atlanta
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Cheapest flights from Ontario to AtlantaExplore the most affordable flight options available from Ontario to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
Explore the most affordable flight options available from Ontario to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
This Justfly.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:55 pm -
2 stops12h 50m
Thu 12/108:15 am -
2 stops15h 25m
Deal found 9/22![WestJet logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:55 pm -
2 stops12h 50m
Mon 11/210:11 am -
1 stop9h 09m
Deal found 9/22![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:20 pm -
1 stop9h 34m
Sun 12/612:02 pm -
1 stop11h 48m
Deal found 9/24![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:15 pm -
1 stop6h 53m
Wed 11/49:52 pm -
1 stop15h 00m
Deal found 9/21![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:20 pm -
1 stop6h 43m
Tue 11/2410:29 pm -
1 stop24h 26m
Deal found 9/22![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:30 am -
1 stop26h 10m
Mon 11/236:45 am -
1 stop9h 30m
Deal found 9/24![Multiple Airlines logo]()
$284
This FlightHub deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:55 pm -
2 stops12h 50m
Sun 12/68:15 am -
2 stops15h 25m
Deal found 9/21![WestJet logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:55 pm -
2 stops12h 50m
Fri 12/46:00 am -
1 stop10h 15m
Deal found 9/24![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:40 pm -
1 stop9h 45m
Sat 10/2410:30 pm -
1 stop14h 22m
Deal found 9/20![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:20 pm -
1 stop20h 43m
Sun 11/110:51 am -
1 stop28h 29m
Deal found 9/24![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:35 am -
1 stop8h 07m
Fri 11/276:45 am -
1 stop9h 30m
Deal found 9/21![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:55 am -
2 stops13h 22m
Tue 10/279:52 pm -
1 stop15h 00m
Deal found 9/20![Multiple Airlines logo]()
$289
Best flights from Ontario to AtlantaDiscover carefully curated flight deals from Ontario to Atlanta that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
Discover carefully curated flight deals from Ontario to Atlanta that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:55 am -
2 stops13h 22m
Tue 10/279:52 pm -
1 stop15h 00m
Deal found 9/20![Multiple Airlines logo]()
$289
This Justfly.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:50 am -
2 stops23h 55m
Thu 10/152:25 pm -
1 stop28h 55m
Deal found 9/24![WestJet logo]()
$437
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:40 pm -
1 stop15h 38m
Tue 11/177:34 pm -
1 stop15h 48m
Deal found 9/20![United Airlines logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:55 am -
2 stops13h 22m
Sat 10/2410:30 pm -
1 stop14h 22m
Deal found 9/22![Multiple Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:15 am -
Nonstop2h 26m
Sun 10/253:01 pm -
Nonstop2h 17m
Deal found 9/23![Delta logo]()
$606
This Air Canada deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/295:30 am -
1 stop6h 16m
Sat 1/28:25 am -
1 stop6h 17m
Deal found 9/21![Air Canada logo]()
$809
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:25 pm -
1 stop17h 44m
Tue 11/107:01 pm -
1 stop19h 29m
Deal found 9/22![Multiple Airlines logo]()
$375
This Mytrip deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:40 pm -
1 stop9h 33m
Sun 10/258:00 am -
1 stop13h 06m
Deal found 9/23![Multiple Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:10 pm -
2 stops20h 40m
Mon 10/192:40 pm -
2 stops26h 08m
Deal found 9/22![United Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/199:10 am -
1 stop15h 03m
Thu 12/316:00 am -
1 stop6h 52m
Deal found 9/20![Multiple Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2312:15 pm -
Nonstop2h 19m
Wed 12/301:53 pm -
Nonstop2h 17m
Deal found 9/22![Delta logo]()
$607
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:55 pm -
1 stop11h 27m
Sat 12/129:30 am -
1 stop8h 27m
Deal found 9/22![United Airlines logo]()
$579
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 am -
1 stop9h 44m
Thu 10/228:30 am -
1 stop8h 49m
Deal found 9/21![Delta logo]()
$607
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:30 pm -
1 stop4h 53m
Tue 10/203:05 pm -
1 stop7h 30m
Deal found 9/22![United Airlines logo]()
$588
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:00 am -
2 stops17h 17m
Mon 10/267:01 pm -
2 stops18h 13m
Deal found 9/21![Multiple Airlines logo]()
$492
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:15 am -
Nonstop2h 34m
Sun 12/67:40 pm -
Nonstop2h 16m
Deal found 9/21![Delta logo]()
$608
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
3 stops11h 08m
Tue 10/2011:11 am -
1 stop6h 05m
Deal found 9/23![United Airlines logo]()
$589
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:38 am -
Nonstop2h 25m
Sat 10/313:01 pm -
Nonstop2h 17m
Deal found 9/20![Delta logo]()
$608
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:45 am -
1 stop4h 51m
Sun 11/227:00 am -
1 stop6h 11m
Deal found 9/21![United Airlines logo]()
$590
This Mytrip deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:40 pm -
2 stops13h 05m
Thu 12/108:15 am -
3 stops16h 35m
Deal found 9/23![Multiple Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:40 pm -
1 stop15h 37m
Sun 12/2710:45 am -
Nonstop2h 25m
Deal found 9/20![United Airlines logo]()
$602
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:30 am -
1 stop6h 08m
Sat 11/142:31 pm -
2 stops8h 55m
Deal found 9/22![United Airlines logo]()
$611
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:57 pm -
1 stop7h 40m
Sat 10/3110:43 am -
1 stop7h 06m
Deal found 9/21![United Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/208:35 am -
1 stop5h 13m
Sun 1/36:17 am -
1 stop15h 07m
Deal found 9/21![United Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:30 am -
1 stop6h 16m
Sun 11/295:30 am -
2 stops9h 17m
Deal found 9/21![United Airlines logo]()
$821
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/155:30 am -
2 stops8h 14m
Thu 2/46:00 am -
2 stops8h 42m
Deal found 9/22![United Airlines logo]()
$834
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/215:30 am -
2 stops8h 14m
Wed 2/36:00 am -
2 stops8h 42m
Deal found 9/22![United Airlines logo]()
$834
Last-minute flights from Ontario to AtlantaDiscover last-minute flight deals from Ontario to Atlanta. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Atlanta. Data last updated September 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:55 am -
2 stops13h 22m
Sat 10/2410:30 pm -
1 stop14h 22m
Deal found 9/22![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:10 am -
1 stop24h 56m
Sun 11/18:15 am -
2 stops15h 25m
Deal found 9/24![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:30 am -
1 stop14h 36m
Thu 10/298:59 pm -
1 stop19h 16m
Deal found 9/22![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:55 am -
2 stops13h 22m
Tue 10/279:52 pm -
1 stop15h 00m
Deal found 9/20![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:30 am -
1 stop8h 06m
Thu 11/262:52 pm -
1 stop25h 23m
Deal found 9/24![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:40 pm -
1 stop9h 45m
Sat 10/2410:30 pm -
1 stop14h 22m
Deal found 9/20![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 am -
1 stop17h 06m
Fri 11/278:15 am -
2 stops15h 25m
Deal found 9/24![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:20 pm -
1 stop20h 43m
Sun 11/110:51 am -
1 stop28h 29m
Deal found 9/24![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:55 pm -
2 stops12h 50m
Mon 11/210:11 am -
1 stop9h 09m
Deal found 9/22![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:55 pm -
2 stops12h 50m
Sat 10/319:22 pm -
1 stop22h 58m
Deal found 9/24![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:50 pm -
2 stops16h 15m
Mon 11/210:11 am -
1 stop6h 04m
Deal found 9/23![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:15 am -
1 stop10h 34m
Sun 11/18:29 pm -
1 stop20h 41m
Deal found 9/23![Multiple Airlines logo]()
$297
One-way flights from Ontario to AtlantaSearch for one-way flight options from Ontario to Atlanta. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
Search for one-way flight options from Ontario to Atlanta. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:05 am -
1 stop16h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$177
This Trip.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:05 am -
1 stop16h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:20 am -
2 stops11h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:10 pm -
1 stop11h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:40 pm -
2 stops41h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:00 pm -
3 stops32h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:40 am -
2 stops23h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:50 am -
2 stops31h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:30 am -
2 stops11h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$264
This Mytrip deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:30 am -
2 stops13h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$266
This Justfly.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:00 pm -
2 stops18h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![WestJet logo]()
$267
This WestJet deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:10 am -
2 stops21h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![WestJet logo]()
$268
Find flight deals from Ontario to Atlanta
Keep the following information in mind while searching for Ontario to Atlanta flight deals. Data was last updated September 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $279 (Justfly.com) |
One-way from | $177 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $607 |
Good round-trip deal | $418 or less |
Good one-way deal | $249 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Atlanta that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 25, 2026.
Use the filters below to find and compare flights from Ontario to Atlanta that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OttawaAtlanta
YOW Ottawa - ATL Atlanta Hartsfield-Jackson
YOWATL
Ottawa
Mon 11/9
7:05 am-11:49 pm
1 stop16h 44m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$177
OttawaAtlanta
YOW Ottawa - ATL Atlanta Hartsfield-Jackson
YOWATL
Ottawa
Wed 12/2
10:35 am-8:52 am
1 stop22h 17m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$215
OttawaAtlanta
YOW Ottawa - ATL Atlanta Hartsfield-Jackson
YOWATL
Ottawa
Fri 10/23
4:00 pm-12:22 am
3 stops32h 22m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$254
OttawaAtlanta
YOW Ottawa - ATL Atlanta Hartsfield-Jackson
YOWATL
Ottawa
Sun 11/29
6:55 pm-6:45 am
1 stop11h 50m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$264
TorontoAtlanta
YTZ Toronto Island - ATL Atlanta Hartsfield-Jackson
YTZATL
Toronto Island
Thu 10/8
10:00 am-1:17 am
2 stops15h 17m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$276
TorontoAtlanta
YYZ Toronto Pearson Intl - ATL Atlanta Hartsfield-Jackson
YYZATL
Toronto Pearson Intl
Fri 10/23
6:55 pm-10:23 am
1 stop15h 28m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$280
TorontoAtlanta
YTZ Toronto Island - ATL Atlanta Hartsfield-Jackson
YTZATL
Toronto Island
Wed 10/7
12:25 pm-1:01 am
1 stop12h 36m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$282
TorontoAtlanta
YYZ Toronto Pearson Intl - ATL Atlanta Hartsfield-Jackson
YYZATL
Toronto Pearson Intl
Tue 10/20
9:00 pm-2:43 pm
2 stops17h 43m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$285
TorontoAtlanta
YYZ Toronto Pearson Intl - ATL Atlanta Hartsfield-Jackson
YYZATL
Toronto Pearson Intl
Sat 10/17
8:50 am-12:23 am
2 stops15h 33m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$285
TorontoAtlanta
YTZ Toronto Island - ATL Atlanta Hartsfield-Jackson
YTZATL
Toronto Island
Tue 10/20
11:55 am-1:17 am
2 stops13h 22m
Atlanta Hartsfield-Jackson
Tue 10/27
9:52 pm-12:52 pm
1 stop15h 00m
$289
Showing 1-10 of 57 resultsSorted by cheapest first
Best time to book a flight from Ontario to Atlanta
Have a flexible travel schedule? Discover the best time to fly to Atlanta from Ontario with our price prediction graph.
YOW-ATL
YYZ-ATL
YTZ-ATL
YXU-ATL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Atlanta
CAON-ATL
YOW-ATL
YYZ-ATL
YTZ-ATL
YXU-ATL
What is the cheapest month to book a flight from Region of Ontario to Atlanta?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Atlanta (average of $519). Flying from Region of Ontario to Atlanta in December is currently the most expensive (average of $581). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ON to ATL?
Find hourly flight availability from Ontario to Atlanta. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 25, 2026.
A simple way to save on the total cost of your ticket is to fly from Region of Ontario to Atlanta at noon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the evening.
Weekly flight availability from Region of Ontario to Atlanta
Explore weekly flight availability from Ontario to Atlanta. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 25, 2026.
The most flights from CAON to ATL are scheduled on a Tuesday (29 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (19 on average).
How much does it cost to fly round-trip from Region of Ontario to Atlanta?
Airfare is below average for this route at the moment.
Region of Ontario to Atlanta flights typically cost between $484 and $700 in December.The cheapest round-trip price found within the last 5 days was $279 on WestJet (Dec 3-Dec 10).
How far ahead should I book a flight from Region of Ontario to Atlanta?
The price you pay for your flight from Region of Ontario to Atlanta may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Region of Ontario to Atlanta?
Use this chart to determine the cheapest time to fly round-trip from Ontario to Atlanta. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Region of Ontario to Atlanta flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Atlanta. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Atlanta?
Book flights to Atlanta if you plan to visit one of these locationsSandy Springs
College Park
Duluth
Stockbridge
Lawrenceville
Auburn
Lithia Springs
Dalton
Marietta
Norcross
Gainesville
Conyers
Canton
Stone Mountain
Covington
Roswell
East Point
Peachtree Corners
Woodstock
Dunwoody
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Atlanta flight routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Ontario to Atlanta
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Atlanta
Explore flights to Atlanta departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.
Complete your trip
Complete your trip to Atlanta by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Atlanta by cabin class
Find flights from Ontario to Atlanta, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Atlanta flights
Browse other Ontario and Atlanta flight options. Last updated on September 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Ontario to Atlanta
Discover the top 4 airlines that operate flights from Ontario to Atlanta. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$267 | Average$577 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$291 | Average$595 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$317 | Average$640 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$432 | Average$554 | FlexibilityNo cancel fee | On-timeN/A |