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Mississippi

$101+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JAN
Mar 27 — Apr 31
Fri 3/27
Fri 4/3
1 adult, Economy
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Cheap flight deals from Ontario to Mississippi

Cheapest flights from Ontario to Mississippi
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 February 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/24. 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 4/86:20 am
ONT
-
MEM
1 stop29h 42m
Frontier
Thu 4/234:36 pm
MEM
-
ONT
1 stop9h 19m
Frontier
Deal found 2/24$197
This CheapOair deal was found by Cheapflights users on 2/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:29 pm
ONT
-
MEM
1 stop22h 06m
Frontier
Sun 5/108:30 pm
MEM
-
ONT
1 stop13h 34m
Frontier
Deal found 2/21$201
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Fri 4/311:10 am
ONT
-
MEM
1 stop7h 17m
Multiple Airlines
Mon 4/69:17 pm
MEM
-
ONT
1 stop19h 09m
Multiple Airlines
Deal found 2/22$207
This Kiwi.com deal was found by Cheapflights users on 2/23. 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.
Mon 3/910:57 am
ONT
-
MEM
1 stop7h 36m
Multiple Airlines
Mon 3/168:06 pm
MEM
-
ONT
1 stop29h 53m
Multiple Airlines
Deal found 2/23$216
This Frontier deal was found by Cheapflights users on 2/23. 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.
Thu 5/711:44 am
ONT
-
MEM
1 stop5h 51m
Frontier
Sun 5/104:26 pm
MEM
-
ONT
1 stop9h 29m
Frontier
Deal found 2/23$240
This Frontier deal was found by Cheapflights users on 2/23. 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 3/1810:03 pm
ONT
-
MEM
1 stop12h 13m
Frontier
Sun 3/224:27 pm
MEM
-
ONT
1 stop9h 32m
Frontier
Deal found 2/23$241
This Expedia deal was found by Cheapflights users on 2/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:15 am
ONT
-
MEM
1 stop5h 43m
Frontier
Sun 3/221:11 pm
MEM
-
ONT
1 stop20h 55m
Frontier
Deal found 2/21$250
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/309:49 pm
ONT
-
MEM
2 stops34h 26m
Multiple Airlines
Mon 4/69:17 pm
MEM
-
ONT
1 stop19h 09m
Multiple Airlines
Deal found 2/22$256
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Sun 3/1511:58 pm
ONT
-
AEX
1 stop7h 35m
American Airlines
Sat 4/116:26 pm
AEX
-
ONT
1 stop7h 20m
American Airlines
Deal found 2/22$303
This Delta deal was found by Cheapflights users on 2/24. 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.
Fri 4/1710:15 pm
ONT
-
GPT
1 stop9h 09m
Delta
Tue 4/216:00 am
GPT
-
ONT
1 stop7h 36m
Delta
Deal found 2/24$309
This Delta deal was found by Cheapflights users on 2/24. 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.
Fri 5/2910:00 pm
ONT
-
BTR
1 stop9h 45m
Delta
Tue 6/21:36 pm
BTR
-
ONT
1 stop10h 12m
Delta
Deal found 2/24$309
This Delta deal was found by Cheapflights users on 2/23. 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 10/210:59 pm
ONT
-
MOB
1 stop7h 25m
Delta
Tue 10/1312:10 pm
MOB
-
ONT
1 stop8h 08m
Delta
Deal found 2/23$309

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 February 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$191
(Frontier)

One-way from

$101
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$464
Provider with most accurate pricing for Los Angeles-Jackson-Evers Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Jackson-Evers Intl flights.
Search Deals
From Ontario to Mississippi
Search Deals
One-way flight from Ontario to Mississippi
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 25, 2026.
Use the filters below to find and compare flights from Ontario to Mississippi that are best for you.

Fly from

Ontario

Fly to

Mississippi

Route

Depart

Return

Price

OntarioAlexandria

ONT - AEX

ONTAEX

Ontario

Sun 3/15

11:58 pm-9:33 am

1 stop7h 35m

Alexandria

Sat 4/11

6:26 pm-11:46 pm

1 stop7h 20m

$303

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Fri 4/17

10:15 pm-9:24 am

1 stop9h 09m

Gulfport Biloxi Regional

Tue 4/21

6:00 am-11:36 am

1 stop7h 36m

$309

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Fri 5/29

10:00 pm-9:45 am

1 stop9h 45m

Baton Rouge Ryan

Tue 6/2

1:36 pm-9:48 pm

1 stop10h 12m

$309

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Fri 5/29

10:00 pm-9:45 am

1 stop9h 45m

Baton Rouge Ryan

Mon 6/1

3:48 pm-9:48 pm

1 stop8h 00m

$309

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Fri 5/1

10:15 pm-9:46 am

1 stop9h 31m

Baton Rouge Ryan

Sun 5/3

6:00 am-11:36 am

1 stop7h 36m

$309

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Mon 3/9

10:25 pm-8:31 am

1 stop8h 06m

Mobile

Tue 3/17

4:04 pm-9:00 pm

1 stop6h 56m

$334

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Tue 3/10

10:25 pm-8:31 am

1 stop8h 06m

Mobile

Thu 3/19

6:15 am-11:47 am

1 stop7h 32m

$334

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Wed 3/11

10:25 pm-8:31 am

1 stop8h 06m

Mobile

Thu 3/19

6:15 am-11:47 am

1 stop7h 32m

$334

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Thu 4/9

10:25 pm-9:25 am

1 stop9h 00m

Memphis

Mon 4/13

3:13 pm-9:00 pm

1 stop7h 47m

$353

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Fri 5/1

5:00 am-2:27 pm

1 stop7h 27m

Memphis

Tue 5/5

2:16 pm-10:30 pm

1 stop10h 14m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 60 results
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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.
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

What is the cheapest month to book a flight from Ontario to Mississippi?

Currently, May is the cheapest month in which you can book a flight from Ontario to Mississippi (average of $175). Flying from Ontario to Mississippi in November is currently the most expensive (average of $334). 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.

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 February 25, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Ontario to Mississippi. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,237 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.9
Good
8,237 reviews
Delta
7.9
Good
8,237 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
9,345 reviews
Delta
7.9
Good
8,237 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
11,345 reviews
Delta
7.9
Good
8,237 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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.

  • What airport do you fly from for flights from Ontario to Mississippi?

    If you book a flight to Mississippi from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • How long is the flight from Ontario to Mississippi?

    Departing from Ontario to Mississippi will take you 7h 27m. There are 1567 mi between Ontario and Mississippi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Ontario to Mississippi?

    Most travelers choose Ontario - Memphis, Ontario - Mobile or Ontario - Baton Rouge Ryan when deciding on the best route from Ontario to Mississippi.

  • Can I find deals for flights from Ontario to Mississippi that include hotel bookings?

    Yes. In addition to deals on Ontario to Mississippi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Mississippi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Mississippi.

  • Can I find deals for business class flights from Ontario to Mississippi?

    Yes. Cheapflights offers flight deals from Ontario to Mississippi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Mississippi?

    Currently, May is the cheapest month in which you can book a flight from Ontario to Mississippi (average of $175). Flying from Ontario to Mississippi in November is currently the most expensive (average of $334). 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.

See more FAQs

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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.
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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 February 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$175Average$430FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$453FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$313Average$520FlexibilityNo cancel feeOn-time69%

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