$121+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JAN
Jul 27 — Aug 31
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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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 Mississippi
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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 June 27, 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 June 27, 2026.
This Frontier deal was found by Cheapflights users on 6/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Mon 8/177:48 pm
MEM
- ONT
1 stop16h 16m
Frontier
Deal found 6/25![Frontier logo]()
$242
This CheapOair deal was found by Cheapflights users on 6/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 am
ONT
- MEM
1 stop6h 22m
Frontier
Sun 9/133:17 pm
MEM
- ONT
1 stop21h 26m
Frontier
Deal found 6/22![Frontier logo]()
$280
This Expedia deal was found by Cheapflights users on 6/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 7/227:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 6/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Fri 7/247:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Mon 8/37:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/24![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Fri 7/247:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/24![Frontier logo]()
$297
This Expedia deal was found by Cheapflights users on 6/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Fri 8/77:48 pm
MEM
- ONT
1 stop16h 16m
Frontier
Deal found 6/22![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 6/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 7/227:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$305
This Expedia deal was found by Cheapflights users on 6/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Wed 7/157:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$315
This Frontier deal was found by Cheapflights users on 6/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Fri 7/177:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$328
This Frontier deal was found by Cheapflights users on 6/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Fri 8/77:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/25![Frontier logo]()
$331
This American Airlines deal was found by Cheapflights users on 6/26. 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 8/52:27 pm
ONT
- MOB
1 stop6h 32m
American Airlines
Wed 8/195:30 am
MOB
- ONT
1 stop6h 04m
American Airlines
Deal found 6/26![American Airlines 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 June 27, 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 June 27, 2026.
This American Airlines deal was found by Cheapflights users on 6/26. 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 8/52:27 pm
ONT
- MOB
1 stop6h 32m
American Airlines
Wed 8/195:30 am
MOB
- ONT
1 stop6h 04m
American Airlines
Deal found 6/26![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 8/259:15 am
ONT
- MEM
1 stop7h 01m
United Airlines
Tue 9/14:33 pm
MEM
- ONT
1 stop6h 20m
United Airlines
Deal found 6/22![United Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 6/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:50 pm
ONT
- MEM
1 stop5h 45m
Southwest
Sat 8/159:30 am
MEM
- ONT
2 stops7h 45m
Southwest
Deal found 6/23![Southwest logo]()
$360
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:00 pm
ONT
- BTR
1 stop8h 01m
Delta
Mon 11/93:20 pm
BTR
- ONT
1 stop8h 54m
Delta
Deal found 6/24![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:18 pm
ONT
- MEM
1 stop5h 38m
United Airlines
Sat 8/154:33 pm
MEM
- ONT
1 stop6h 20m
United Airlines
Deal found 6/24![United Airlines logo]()
$350
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/72:15 pm
ONT
- AEX
1 stop6h 27m
American Airlines
Sat 7/115:41 pm
AEX
- ONT
1 stop6h 51m
American Airlines
Deal found 6/22![American Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 6/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:55 am
ONT
- JAN
2 stops8h 50m
Southwest
Tue 9/87:05 am
JAN
- ONT
2 stops7h 25m
Southwest
Deal found 6/21![Southwest logo]()
$401
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:00 pm
ONT
- MEM
1 stop6h 40m
Delta
Sun 8/232:54 pm
MEM
- ONT
1 stop8h 58m
Delta
Deal found 6/24![Delta logo]()
$406
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:45 am
ONT
- MOB
1 stop8h 34m
United Airlines
Mon 7/205:08 pm
MOB
- ONT
1 stop6h 47m
United Airlines
Deal found 6/24![United Airlines logo]()
$391
This Southwest deal was found by Cheapflights users on 6/26. 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.
Mon 8/105:40 am
ONT
- MEM
2 stops6h 40m
Southwest
Mon 8/172:55 pm
MEM
- ONT
2 stops7h 25m
Southwest
Deal found 6/26![Southwest logo]()
$423
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:15 pm
ONT
- MOB
2 stops13h 15m
Delta
Sun 9/136:00 am
MOB
- ONT
1 stop7h 07m
Delta
Deal found 6/24![Delta logo]()
$434
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:59 pm
ONT
- MEM
1 stop6h 48m
American Airlines
Tue 7/215:51 am
MEM
- ONT
1 stop5h 38m
American Airlines
Deal found 6/21![American Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Tue 10/276:00 am
ONT
- AEX
1 stop7h 28m
United Airlines
Sat 10/314:06 pm
AEX
- ONT
1 stop7h 44m
United Airlines
Deal found 6/23![United Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 6/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:15 am
ONT
- MEM
2 stops7h 30m
Southwest
Wed 8/127:00 am
MEM
- ONT
2 stops7h 40m
Southwest
Deal found 6/25![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:45 am
ONT
- AEX
1 stop7h 40m
United Airlines
Mon 7/274:00 pm
AEX
- ONT
1 stop7h 55m
United Airlines
Deal found 6/24![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 6/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:00 pm
ONT
- GPT
1 stop9h 19m
Delta
Tue 7/141:51 pm
GPT
- ONT
1 stop6h 39m
Delta
Deal found 6/25![Delta logo]()
$449
This Southwest deal was found by Cheapflights users on 6/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:15 am
ONT
- MEM
2 stops8h 40m
Southwest
Wed 7/226:45 pm
MEM
- ONT
1 stop5h 50m
Southwest
Deal found 6/22![Southwest logo]()
$441
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:45 am
ONT
- AEX
1 stop7h 40m
United Airlines
Mon 7/204:00 pm
AEX
- ONT
1 stop7h 55m
United Airlines
Deal found 6/24![United Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:15 pm
ONT
- GPT
1 stop6h 42m
American Airlines
Mon 7/137:43 pm
GPT
- ONT
1 stop6h 16m
American Airlines
Deal found 6/23![American Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 6/23. 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.
Tue 7/2810:00 pm
ONT
- MOB
1 stop8h 31m
Delta
Tue 8/46:00 am
MOB
- ONT
1 stop6h 42m
Delta
Deal found 6/23![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 6/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am
ONT
- AEX
1 stop7h 30m
United Airlines
Wed 9/304:05 pm
AEX
- ONT
1 stop7h 54m
United Airlines
Deal found 6/25![United Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 6/26. 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.
Thu 8/208:10 am
ONT
- JAN
2 stops10h 00m
Southwest
Sun 8/236:15 am
JAN
- ONT
2 stops7h 20m
Southwest
Deal found 6/26![Southwest logo]()
$464
This Delta deal was found by Cheapflights users on 6/22. 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 7/85:10 pm
ONT
- MOB
2 stops13h 21m
Delta
Tue 7/144:26 pm
MOB
- ONT
1 stop7h 24m
Delta
Deal found 6/22![Delta logo]()
$490
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:15 am
ONT
- GPT
2 stops15h 09m
American Airlines
Mon 9/146:22 pm
GPT
- ONT
1 stop6h 15m
American Airlines
Deal found 6/23![American Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 6/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 am
ONT
- MEM
1 stop7h 50m
United Airlines
Wed 8/264:33 pm
MEM
- ONT
1 stop6h 20m
United Airlines
Deal found 6/25![United Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 6/26. 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 7/3110:00 pm
ONT
- JAN
1 stop9h 33m
Delta
Thu 8/63:30 pm
JAN
- ONT
1 stop8h 22m
Delta
Deal found 6/26![Delta logo]()
$503
This American Airlines deal was found by Cheapflights users on 6/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:34 am
ONT
- GTR
1 stop7h 39m
American Airlines
Thu 7/163:45 pm
GTR
- ONT
1 stop8h 47m
American Airlines
Deal found 6/24![American Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:45 am
ONT
- AEX
1 stop7h 40m
United Airlines
Thu 10/154:05 pm
AEX
- ONT
1 stop7h 54m
United Airlines
Deal found 6/24![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 6/26. 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 10/210:00 pm
ONT
- MOB
1 stop8h 30m
Delta
Tue 10/134:15 pm
MOB
- ONT
2 stops9h 33m
Delta
Deal found 6/26![Delta logo]()
$529
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/82:15 pm
ONT
- JAN
1 stop5h 29m
American Airlines
Sun 7/127:26 pm
JAN
- ONT
1 stop6h 33m
American Airlines
Deal found 6/22![American Airlines logo]()
$587
Last-minute flights from Ontario to MississippiDiscover last-minute flight deals from Ontario to Mississippi. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Mississippi. Data last updated June 27, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Wed 7/157:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$315
This Frontier deal was found by Cheapflights users on 6/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Mon 7/207:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$348
This Expedia deal was found by Cheapflights users on 6/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 7/227:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Mon 8/37:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/24![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Fri 7/247:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/24![Frontier logo]()
$297
This Frontier deal was found by Cheapflights users on 6/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Fri 7/177:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$328
This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Fri 7/247:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/24![Frontier logo]()
$332
This Frontier deal was found by Cheapflights users on 6/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 7/227:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$305
This Frontier deal was found by Cheapflights users on 6/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Fri 7/247:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$288
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:00 pm
ONT
- BTR
1 stop9h 39m
Delta
Wed 7/291:27 pm
BTR
- ONT
1 stop7h 03m
Delta
Deal found 6/24![Delta logo]()
$363
This Booking.com deal was found by Cheapflights users on 6/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Mon 7/277:48 pm
MEM
- ONT
1 stop16h 16m
Frontier
Deal found 6/26![Frontier logo]()
$338
This Frontier deal was found by Cheapflights users on 6/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Fri 8/77:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/25![Frontier logo]()
$331
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 June 27, 2026.
Search for one-way flight options from Ontario to Mississippi. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Frontier deal was found by Cheapflights users on 6/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Deal found 6/23![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Deal found 6/24![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 6/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Deal found 6/23![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 10/229:12 pm
ONT
- MEM
1 stop13h 02m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$139
This Frontier deal was found by Cheapflights users on 6/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Deal found 6/23![Frontier logo]()
$140
This Frontier deal was found by Cheapflights users on 6/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Deal found 6/23![Frontier logo]()
$146
This Frontier deal was found by Cheapflights users on 6/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Deal found 6/23![Frontier logo]()
$149
This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Deal found 6/24![Frontier logo]()
$155
This American Airlines deal was found by Cheapflights users on 6/26. 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 9/1210:25 am
ONT
- JAN
1 stop6h 25m
American Airlines
Deal found 6/26![American Airlines logo]()
$180
This Southwest deal was found by Cheapflights users on 6/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:35 am
ONT
- JAN
2 stops9h 10m
Southwest
Deal found 6/23![Southwest logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Wed 8/129:36 am
ONT
- GPT
2 stops31h 09m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$190
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:59 pm
ONT
- JAN
1 stop6h 52m
American Airlines
Deal found 6/21![American Airlines logo]()
$234
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 June 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $242 (Frontier) |
One-way from | $121 (Frontier) |
Popular in | July |
Cheapest in | January |
Average price | $579 |
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 June 27, 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
OntarioMobile
ONT - MOB
ONTMOB
Ontario
Wed 8/5
2:27 pm-10:59 pm
1 stop6h 32m
Mobile
Wed 8/19
5:30 am-9:34 am
1 stop6h 04m
$349
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Tue 8/25
9:15 am-6:16 pm
1 stop7h 01m
Memphis
Tue 9/1
4:33 pm-8:53 pm
1 stop6h 20m
$350
Quickest round-trip
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Sat 8/8
1:18 pm-8:56 pm
1 stop5h 38m
Memphis
Sat 8/15
4:33 pm-8:53 pm
1 stop6h 20m
$350
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Wed 8/5
1:50 pm-9:35 pm
1 stop5h 45m
Memphis
Sat 8/15
9:30 am-3:15 pm
2 stops7h 45m
$360
OntarioBaton Rouge
ONT - BTR
ONTBTR
Ontario
Wed 11/4
12:00 pm-10:01 pm
1 stop8h 01m
Baton Rouge Ryan
Mon 11/9
3:20 pm-10:14 pm
1 stop8h 54m
$363
OntarioAlexandria
ONT - AEX
ONTAEX
Ontario
Tue 7/7
2:15 pm-10:42 pm
1 stop6h 27m
Alexandria
Sat 7/11
5:41 pm-10:32 pm
1 stop6h 51m
$388
OntarioMobile
ONT - MOB
ONTMOB
Ontario
Thu 7/16
5:45 am-4:19 pm
1 stop8h 34m
Mobile
Mon 7/20
5:08 pm-9:55 pm
1 stop6h 47m
$391
OntarioJackson
ONT - JAN
ONTJAN
Ontario
Tue 7/28
9:55 am-8:45 pm
2 stops8h 50m
Jackson-Evers Intl
Tue 9/8
7:05 am-12:30 pm
2 stops7h 25m
$401
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Wed 8/19
12:00 pm-8:40 pm
1 stop6h 40m
Memphis
Sun 8/23
2:54 pm-9:52 pm
1 stop8h 58m
$406
OntarioAlexandria
ONT - AEX
ONTAEX
Ontario
Tue 10/27
6:00 am-3:28 pm
1 stop7h 28m
Alexandria
Sat 10/31
4:06 pm-9:50 pm
1 stop7h 44m
$408
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-MOB
ONT-MEM
ONT-BTR
ONT-AEX
ONT-JAN
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-MOB
ONT-MEM
ONT-BTR
ONT-AEX
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 June 27, 2026.
Read reviews from past customers who have flown Southwest,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.
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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.
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.
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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 June 27, 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 June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$260 | Average$443 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$493 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$313 | Average$582 | FlexibilityNo cancel fee | On-time69% |