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Mississippi

$89+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JAN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Ontario to Mississippi

Keep the following information in mind while searching for Ontario to Mississippi flight deals. Data was last updated September 15, 2025.

Round-trip from

$143
(Priceline)

One-way from

$89
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$552
From Ontario to Mississippi
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One-way flight from Ontario to Mississippi
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This Priceline deal was found by Cheapflights users on 9/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:53 amONT - MEM
1 stop10h 29mFrontier
Mon 11/178:10 pmMEM - ONT
1 stop5h 40mFrontier
Deal found 9/13$143
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:59 pmONT - MEM
1 stop18h 49mFrontier
Sun 10/58:04 pmMEM - ONT
1 stop13h 49mFrontier
Deal found 9/13$144
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:59 pmONT - MEM
1 stop18h 33mFrontier
Thu 10/26:33 pmMEM - ONT
1 stop27h 21mFrontier
Deal found 9/13$180
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:53 amONT - MEM
1 stop10h 30mFrontier
Thu 10/238:10 pmMEM - ONT
1 stop5h 40mFrontier
Deal found 9/15$183
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:53 amONT - MEM
1 stop10h 29mFrontier
Mon 11/38:10 pmMEM - ONT
1 stop5h 40mFrontier
Deal found 9/14$193
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:59 pmONT - MEM
1 stop20h 20mFrontier
Mon 9/224:55 pmMEM - ONT
1 stop28h 59mFrontier
Deal found 9/14$202
This Frontier deal was found by Cheapflights users on 9/13. 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.
Thu 11/136:53 amONT - MEM
1 stop10h 29mFrontier
Sun 11/168:00 pmMEM - ONT
1 stop5h 50mFrontier
Deal found 9/13$231
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/308:00 amONT - MEM
1 stop27h 57mMultiple Airlines
Thu 10/26:33 pmMEM - ONT
1 stop15h 20mMultiple Airlines
Deal found 9/13$238
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:53 amONT - MEM
1 stop10h 34mFrontier
Sun 10/198:10 pmMEM - ONT
1 stop15h 25mFrontier
Deal found 9/14$240
This Delta deal was found by Cheapflights users on 9/13. 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 10/411:55 amONT - MOB
1 stop9h 17mDelta
Sat 10/111:17 pmMOB - ONT
1 stop8h 02mDelta
Deal found 9/13$289
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/412:45 pmONT - BTR
1 stop5h 28mAmerican Airlines
Sat 10/116:46 pmBTR - ONT
1 stop5h 56mAmerican Airlines
Deal found 9/13$290
This Delta deal was found by Cheapflights users on 9/14. 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 10/310:00 pmONT - MOB
1 stop8h 30mDelta
Sat 10/111:17 pmMOB - ONT
1 stop8h 02mDelta
Deal found 9/14$314

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 September 15, 2025.
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

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Thu 10/30

6:53 am-7:22 pm

1 stop10h 29m

Memphis

Mon 11/3

8:10 pm-11:50 pm

1 stop5h 40m

$214

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Sun 10/12

6:53 am-7:23 pm

1 stop10h 30m

Memphis

Thu 10/16

8:10 pm-11:50 pm

1 stop5h 40m

$267

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Thu 11/13

7:44 pm-12:31 pm

1 stop14h 47m

Memphis

Mon 11/17

8:10 pm-8:42 pm

2 stops26h 32m

$273

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Thu 10/23

6:53 am-7:23 pm

1 stop10h 30m

Memphis

Sun 10/26

8:10 pm-9:35 am

1 stop15h 25m

$273

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Tue 11/18

10:25 pm-1:30 pm

2 stops13h 05m

Memphis

Mon 11/24

2:10 pm-11:52 pm

2 stops11h 42m

$287

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Sat 2/21

10:30 pm-9:41 am

1 stop9h 11m

Gulfport Biloxi Regional

Wed 2/25

6:00 am-11:38 am

1 stop7h 38m

$289

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 2/21

10:30 pm-9:44 am

1 stop9h 14m

Baton Rouge Ryan

Wed 2/25

1:40 pm-9:14 pm

1 stop9h 34m

$289

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 10/4

12:45 pm-8:13 pm

1 stop5h 28m

Baton Rouge Ryan

Sat 10/11

6:46 pm-10:42 pm

1 stop5h 56m

$290

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Mon 10/13

5:15 pm-7:45 pm

2 stops24h 30m

Memphis

Wed 10/15

2:57 pm-8:42 pm

1 stop7h 45m

$295

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Thu 9/25

9:16 am-11:53 am

1 stop24h 37m

Memphis

Sun 9/28

8:35 pm-2:00 pm

2 stops19h 25m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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, January is the cheapest month in which you can book a flight from Ontario to Mississippi (average of $371). Flying from Ontario to Mississippi in March is currently the most expensive (average of $447). 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 September 15, 2025.
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
8.0
Very good
7,954 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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 5h 28m. There are 1558 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 cheapest airlines to fly from Ontario to Mississippi one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $164. Users have also found prices from $209 and $234 on Delta and United Airlines, respectively.

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

    Most travelers choose Ontario - Memphis, Ontario - Gulfport Biloxi Regional 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, January is the cheapest month in which you can book a flight from Ontario to Mississippi (average of $371). Flying from Ontario to Mississippi in March is currently the most expensive (average of $447). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$175Average$415FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$453FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$313Average$454FlexibilityNo cancel feeOn-time69%

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