$141+ Cheap flights from Ontario (ONT) to Mississippi
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JAN
Jun 17 — Jun 241
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Mississippi 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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Cheapest flights from Ontario to MississippiExplore the most affordable flight options available from Ontario to Mississippi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.
Explore the most affordable flight options available from Ontario to Mississippi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 8/196:00 am
ONT
- MEM
1 stop11h 14m
Multiple Airlines
Mon 8/241:43 pm
MEM
- ONT
1 stop27h 26m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 9/1811:16 am
ONT
- MEM
1 stop6h 36m
Multiple Airlines
Mon 9/219:00 pm
MEM
- ONT
1 stop21h 10m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$247
This Trip.com deal was found by Cheapflights users on 5/14. 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.
Wed 8/1210:49 am
ONT
- MEM
1 stop6h 17m
Frontier
Mon 8/177:51 pm
MEM
- ONT
1 stop16h 14m
Frontier
Deal found 5/14![Frontier logo]()
$266
This Trip.com deal was found by Cheapflights users on 5/13. 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.
Mon 7/1310:49 am
ONT
- MEM
1 stop6h 17m
Frontier
Fri 7/177:51 pm
MEM
- ONT
1 stop5h 59m
Frontier
Deal found 5/13![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 8/23:40 pm
ONT
- MEM
1 stop26h 58m
Multiple Airlines
Mon 8/311:48 pm
MEM
- ONT
1 stop27h 21m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$278
This Frontier deal was found by Cheapflights users on 5/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
ONT
- MEM
1 stop11h 14m
Frontier
Mon 8/247:59 pm
MEM
- ONT
1 stop5h 50m
Frontier
Deal found 5/17![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 5/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Fri 6/197:58 pm
MEM
- ONT
1 stop5h 51m
Frontier
Deal found 5/13![Frontier logo]()
$290
This Trip.com deal was found by Cheapflights users on 5/13. 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.
Wed 6/1010:50 am
ONT
- MEM
1 stop6h 24m
Frontier
Fri 6/197:58 pm
MEM
- ONT
1 stop5h 51m
Frontier
Deal found 5/13![Frontier logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/243:34 pm
ONT
- MEM
2 stops43h 51m
Multiple Airlines
Mon 6/299:29 pm
MEM
- ONT
1 stop19h 39m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 5/15. 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 6/185:45 am
ONT
- AEX
1 stop7h 05m
United Airlines
Mon 6/224:00 pm
AEX
- ONT
1 stop7h 55m
United Airlines
Deal found 5/15![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 5/14. 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 9/27:00 am
ONT
- GPT
1 stop8h 17m
Delta
Thu 9/172:15 pm
GPT
- ONT
1 stop9h 41m
Delta
Deal found 5/14![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 5/13. 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 10/27:00 am
ONT
- MOB
1 stop6h 46m
Delta
Tue 10/1312:10 pm
MOB
- ONT
1 stop8h 08m
Delta
Deal found 5/13![Delta logo]()
$349
Best flights from Ontario to MississippiDiscover carefully curated flight deals from Ontario to Mississippi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
Discover carefully curated flight deals from Ontario to Mississippi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
This United Airlines deal was found by Cheapflights users on 5/15. 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 6/185:45 am
ONT
- AEX
1 stop7h 05m
United Airlines
Mon 6/224:00 pm
AEX
- ONT
1 stop7h 55m
United Airlines
Deal found 5/15![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 5/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:29 am
ONT
- GPT
1 stop5h 32m
American Airlines
Wed 9/166:27 pm
GPT
- ONT
1 stop6h 39m
American Airlines
Deal found 5/14![American Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 5/14. 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 10/27:00 am
ONT
- MOB
1 stop6h 46m
Delta
Tue 10/1312:10 pm
MOB
- ONT
1 stop8h 08m
Delta
Deal found 5/14![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 5/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:30 am
ONT
- MEM
2 stops8h 25m
Southwest
Wed 6/246:45 pm
MEM
- ONT
1 stop5h 50m
Southwest
Deal found 5/14![Southwest logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 5/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:54 pm
ONT
- GPT
2 stops13h 57m
Alaska Airlines
Sun 10/255:35 am
GPT
- ONT
2 stops14h 25m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$623
This Delta deal was found by Cheapflights users on 5/16. 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 9/212:00 pm
ONT
- GPT
1 stop8h 06m
Delta
Wed 9/166:00 am
GPT
- ONT
2 stops12h 14m
Delta
Deal found 5/16![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 5/13. 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 5/306:39 pm
ONT
- BTR
2 stops12h 07m
United Airlines
Sat 6/64:09 pm
BTR
- ONT
1 stop7h 46m
United Airlines
Deal found 5/13![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 5/14. 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 9/17:00 am
ONT
- MOB
1 stop6h 46m
Delta
Sat 9/56:00 am
MOB
- ONT
2 stops12h 14m
Delta
Deal found 5/14![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 5/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:05 am
ONT
- MEM
1 stop6h 45m
Southwest
Tue 7/146:15 pm
MEM
- ONT
1 stop6h 00m
Southwest
Deal found 5/15![Southwest logo]()
$394
This American Airlines deal was found by Cheapflights users on 5/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:59 pm
ONT
- AEX
1 stop8h 14m
American Airlines
Sat 6/205:40 pm
AEX
- ONT
1 stop8h 19m
American Airlines
Deal found 5/13![American Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 5/16. 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 9/19:55 am
ONT
- GPT
2 stops10h 11m
Delta
Tue 9/152:15 pm
GPT
- ONT
2 stops11h 29m
Delta
Deal found 5/16![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Tue 6/26:39 pm
ONT
- BTR
2 stops12h 07m
United Airlines
Tue 6/912:10 pm
BTR
- ONT
2 stops12h 27m
United Airlines
Deal found 5/13![United Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 5/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:11 pm
ONT
- AEX
2 stops8h 21m
American Airlines
Sat 6/205:40 pm
AEX
- ONT
1 stop8h 19m
American Airlines
Deal found 5/13![American Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 5/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:05 pm
ONT
- JAN
1 stop5h 35m
Southwest
Tue 7/77:15 pm
JAN
- ONT
1 stop5h 20m
Southwest
Deal found 5/16![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Tue 8/181:18 pm
ONT
- MEM
1 stop5h 24m
United Airlines
Wed 8/268:30 am
MEM
- ONT
1 stop6h 20m
United Airlines
Deal found 5/17![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 5/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/710:00 am
ONT
- JAN
1 stop6h 00m
Southwest
Wed 8/127:05 am
JAN
- ONT
2 stops8h 30m
Southwest
Deal found 5/14![Southwest logo]()
$436
This Delta deal was found by Cheapflights users on 5/14. 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.
Thu 5/2812:07 pm
ONT
- BTR
1 stop7h 53m
Delta
Sat 5/304:00 pm
BTR
- ONT
1 stop7h 48m
Delta
Deal found 5/14![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Mon 8/105:45 am
ONT
- AEX
1 stop7h 40m
United Airlines
Mon 8/244:08 pm
AEX
- ONT
1 stop7h 51m
United Airlines
Deal found 5/18![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 5/17. 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 7/1310:00 pm
ONT
- BTR
1 stop9h 39m
Delta
Thu 7/234:00 pm
BTR
- ONT
1 stop7h 50m
Delta
Deal found 5/17![Delta logo]()
$414
This American Airlines deal was found by Cheapflights users on 5/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:13 pm
ONT
- AEX
2 stops13h 00m
American Airlines
Mon 6/225:40 pm
AEX
- ONT
1 stop6h 59m
American Airlines
Deal found 5/15![American Airlines logo]()
$514
This Southwest deal was found by Cheapflights users on 5/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:05 am
ONT
- JAN
2 stops11h 00m
Southwest
Sun 10/255:15 am
JAN
- ONT
2 stops9h 15m
Southwest
Deal found 5/17![Southwest logo]()
$477
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Tue 9/19:15 am
ONT
- BTR
1 stop6h 18m
United Airlines
Sat 9/512:00 pm
BTR
- ONT
1 stop8h 12m
United Airlines
Deal found 5/16![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 5/17. 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 7/2110:00 pm
ONT
- MEM
1 stop9h 27m
Delta
Thu 7/232:42 pm
MEM
- ONT
1 stop9h 08m
Delta
Deal found 5/17![Delta logo]()
$415
This American Airlines deal was found by Cheapflights users on 5/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:45 am
ONT
- GTR
1 stop7h 28m
American Airlines
Mon 6/153:45 pm
GTR
- ONT
1 stop6h 11m
American Airlines
Deal found 5/15![American Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 5/17. 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 8/135:00 am
ONT
- MEM
1 stop7h 50m
United Airlines
Mon 8/174:33 pm
MEM
- ONT
1 stop6h 20m
United Airlines
Deal found 5/17![United Airlines logo]()
$450
This Southwest deal was found by Cheapflights users on 5/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:05 am
ONT
- MEM
2 stops10h 25m
Southwest
Mon 6/155:10 pm
MEM
- ONT
2 stops8h 55m
Southwest
Deal found 5/15![Southwest logo]()
$497
This United Airlines deal was found by Cheapflights users on 5/17. 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 5/285:45 am
ONT
- AEX
1 stop7h 05m
United Airlines
Sun 6/74:00 pm
AEX
- ONT
1 stop7h 55m
United Airlines
Deal found 5/17![United Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 5/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:59 pm
ONT
- JAN
1 stop6h 50m
American Airlines
Sat 6/1312:24 pm
JAN
- ONT
2 stops11h 38m
American Airlines
Deal found 5/13![American Airlines logo]()
$552
This Delta deal was found by Cheapflights users on 5/17. 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 10/2310:59 pm
ONT
- JAN
1 stop9h 06m
Delta
Sun 10/255:45 am
JAN
- ONT
1 stop7h 42m
Delta
Deal found 5/17![Delta logo]()
$467
This Southwest deal was found by Cheapflights users on 5/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:10 am
ONT
- JAN
1 stop6h 55m
Southwest
Tue 6/26:30 am
JAN
- ONT
2 stops7h 25m
Southwest
Deal found 5/14![Southwest logo]()
$532
Last-minute flights from Ontario to MississippiDiscover last-minute flight deals from Ontario to Mississippi. Data last updated May 18, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Mississippi. Data last updated May 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 6/66:00 am
ONT
- MEM
2 stops26h 59m
Multiple Airlines
Mon 6/159:29 pm
MEM
- ONT
1 stop13h 38m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 6/93:34 pm
ONT
- MEM
2 stops25h 40m
Multiple Airlines
Mon 6/159:29 pm
MEM
- ONT
1 stop13h 38m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$308
This Trip.com deal was found by Cheapflights users on 5/13. 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.
Wed 6/1010:50 am
ONT
- MEM
1 stop6h 24m
Frontier
Fri 6/197:58 pm
MEM
- ONT
1 stop5h 51m
Frontier
Deal found 5/13![Frontier logo]()
$297
This Frontier deal was found by Cheapflights users on 5/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Fri 6/197:58 pm
MEM
- ONT
1 stop5h 51m
Frontier
Deal found 5/13![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 5/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Mon 6/227:59 pm
MEM
- ONT
1 stop5h 50m
Frontier
Deal found 5/13![Frontier logo]()
$310
This Frontier deal was found by Cheapflights users on 5/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 6/177:59 pm
MEM
- ONT
1 stop5h 50m
Frontier
Deal found 5/15![Frontier logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 6/163:34 pm
ONT
- MEM
2 stops25h 40m
Multiple Airlines
Mon 6/229:29 pm
MEM
- ONT
1 stop19h 39m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 5/14. 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 6/179:40 am
ONT
- MEM
1 stop6h 03m
Delta
Wed 7/85:15 am
MEM
- ONT
1 stop7h 23m
Delta
Deal found 5/14![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 5/13. 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 6/179:40 am
ONT
- MEM
1 stop6h 03m
Delta
Mon 6/221:40 pm
MEM
- ONT
1 stop6h 50m
Delta
Deal found 5/13![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 5/15. 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 6/185:45 am
ONT
- AEX
1 stop7h 05m
United Airlines
Mon 6/224:00 pm
AEX
- ONT
1 stop7h 55m
United Airlines
Deal found 5/15![United Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/243:34 pm
ONT
- MEM
2 stops43h 51m
Multiple Airlines
Mon 6/299:29 pm
MEM
- ONT
1 stop19h 39m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$298
This Frontier deal was found by Cheapflights users on 5/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:00 am
ONT
- MEM
1 stop11h 14m
Frontier
Mon 7/67:51 pm
MEM
- ONT
1 stop5h 59m
Frontier
Deal found 5/17![Frontier logo]()
$329
One-way flights from Ontario to MississippiSearch for one-way flight options from Ontario to Mississippi. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
Search for one-way flight options from Ontario to Mississippi. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
This Frontier deal was found by Cheapflights users on 5/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
ONT
- MEM
1 stop11h 14m
Frontier
Deal found 5/17![Frontier logo]()
$141
This Frontier deal was found by Cheapflights users on 5/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:50 am
ONT
- MEM
1 stop6h 13m
Frontier
Deal found 5/13![Frontier logo]()
$145
This Frontier deal was found by Cheapflights users on 5/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Deal found 5/13![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/93:34 pm
ONT
- MEM
2 stops25h 40m
Frontier
Deal found 5/18![Frontier logo]()
$160
This Super.com deal was found by Cheapflights users on 5/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:00 am
ONT
- MEM
1 stop11h 06m
Frontier
Deal found 5/13![Frontier logo]()
$164
This Frontier deal was found by Cheapflights users on 5/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:50 am
ONT
- MEM
1 stop6h 24m
Frontier
Deal found 5/13![Frontier logo]()
$165
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:00 pm
ONT
- MEM
1 stop10h 06m
American Airlines
Deal found 5/18![American Airlines logo]()
$166
This Super.com deal was found by Cheapflights users on 5/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:00 am
ONT
- MEM
1 stop11h 14m
Frontier
Deal found 5/15![Frontier logo]()
$173
This Super.com deal was found by Cheapflights users on 5/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:49 am
ONT
- MEM
1 stop6h 17m
Frontier
Deal found 5/16![Frontier logo]()
$174
This Delta deal was found by Cheapflights users on 5/13. 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.
Sat 7/47:05 am
ONT
- MEM
1 stop7h 45m
Delta
Deal found 5/13![Delta logo]()
$178
This Super.com deal was found by Cheapflights users on 5/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
ONT
- MEM
1 stop11h 09m
Frontier
Deal found 5/16![Frontier logo]()
$179
This American Airlines deal was found by Cheapflights users on 5/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:00 pm
ONT
- JAN
1 stop10h 26m
American Airlines
Deal found 5/14![American Airlines logo]()
$198
Find flight deals from Ontario to Mississippi
Keep the following information in mind while searching for Ontario to Mississippi flight deals. Data was last updated May 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $198 (Kiwi.com) |
One-way from | $141 (Frontier) |
Popular in | May |
Cheapest in | January |
Average price | $592 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Mississippi 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 2,558,603 searches. Data last updated May 18, 2026.
Use the filters below to find and compare flights from Ontario to Mississippi that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioAlexandria
ONT - AEX
ONTAEX
Ontario
Thu 6/18
5:45 am-2:50 pm
1 stop7h 05m
Alexandria
Mon 6/22
4:00 pm-9:55 pm
1 stop7h 55m
$318
OntarioGulfport
ONT - GPT
ONTGPT
Ontario
Wed 9/2
10:29 am-6:01 pm
1 stop5h 32m
Gulfport Biloxi Regional
Wed 9/16
6:27 pm-11:06 pm
1 stop6h 39m
$349
OntarioMobile
ONT - MOB
ONTMOB
Ontario
Fri 10/2
7:00 am-3:46 pm
1 stop6h 46m
Mobile
Tue 10/13
12:10 pm-6:18 pm
1 stop8h 08m
$349
OntarioGulfport
ONT - GPT
ONTGPT
Ontario
Wed 9/2
12:00 pm-10:06 pm
1 stop8h 06m
Gulfport Biloxi Regional
Wed 9/16
6:00 am-4:14 pm
2 stops12h 14m
$354
OntarioMobile
ONT - MOB
ONTMOB
Ontario
Tue 9/1
7:00 am-3:46 pm
1 stop6h 46m
Mobile
Sat 9/5
6:00 am-4:14 pm
2 stops12h 14m
$354
OntarioGulfport
ONT - GPT
ONTGPT
Ontario
Tue 9/1
9:55 am-10:06 pm
2 stops10h 11m
Gulfport Biloxi Regional
Tue 9/15
2:15 pm-11:44 pm
2 stops11h 29m
$359
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Wed 6/17
5:30 am-3:55 pm
2 stops8h 25m
Memphis
Wed 6/24
6:45 pm-10:35 pm
1 stop5h 50m
$381
OntarioBaton Rouge
ONT - BTR
ONTBTR
Ontario
Sat 5/30
6:39 pm-8:46 am
2 stops12h 07m
Baton Rouge Ryan
Sat 6/6
4:09 pm-9:55 pm
1 stop7h 46m
$389
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Sat 7/11
8:05 am-4:50 pm
1 stop6h 45m
Memphis
Tue 7/14
6:15 pm-10:15 pm
1 stop6h 00m
$394
OntarioBaton Rouge
ONT - BTR
ONTBTR
Ontario
Thu 5/28
12:07 pm-10:00 pm
1 stop7h 53m
Baton Rouge Ryan
Sat 5/30
4:00 pm-9:48 pm
1 stop7h 48m
$398
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Mississippi
Have a flexible travel schedule? Discover the best time to fly to Mississippi from Ontario with our price prediction graph.
ONT-MEM
ONT-AEX
ONT-GPT
ONT-MOB
ONT-BTR
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 Mississippi
ONT-USMS
ONT-MEM
ONT-AEX
ONT-GPT
ONT-MOB
How much does it cost to fly round-trip from Ontario to Mississippi?
Reviews of airlines servicing Mississippi
Get insights into the airlines that provide service to Mississippi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mississippi. Reviews last updated May 18, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Ontario to Mississippi. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Overall
7.9
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Boarding
8.1
Entertainment
7.8
Overall
7.9
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Boarding
8.1
Entertainment
7.8
Overall
7.9
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Boarding
8.1
Entertainment
7.8
Overall
7.9
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Mississippi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Mississippi
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Mississippi by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Mississippi by cabin class
Find flights from Ontario to Mississippi, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Mississippi flights
Browse other Ontario and Mississippi flight options. Last updated on May 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Mississippi flights
Consider these flights traveling from Ontario to Mississippi.
Top 3 airlines flying from Ontario to Mississippi
Discover the top 3 airlines that operate flights from Ontario to Mississippi. 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 2,558,603 searches. Data last updated May 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$483 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$313 | Average$582 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$348 | Average$471 | FlexibilityNo cancel fee | On-timeN/A |