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Mississippi

$91+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JAN
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
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 December 26, 2025.

This United Airlines deal was found by Cheapflights users on 12/24. 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 12/311:40 pmONT - MEM
1 stop6h 49mUnited Airlines
Thu 1/13:29 pmMEM - ONT
1 stop8h 23mUnited Airlines
Deal found 12/24$431
This Frontier deal was found by Cheapflights users on 12/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:45 amONT - MEM
1 stop10h 27mFrontier
Sun 1/48:07 pmMEM - ONT
1 stop5h 52mFrontier
Deal found 12/26$432
This Frontier deal was found by Cheapflights users on 12/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:45 amONT - MEM
1 stop10h 27mFrontier
Sun 1/48:07 pmMEM - ONT
1 stop5h 52mFrontier
Deal found 12/26$482
This American Airlines deal was found by Cheapflights users on 12/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:49 pmONT - MOB
1 stop5h 55mAmerican Airlines
Sat 1/35:13 amMOB - ONT
1 stop8h 43mAmerican Airlines
Deal found 12/25$484
This United Airlines deal was found by Cheapflights users on 12/24. 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 12/276:04 amONT - GPT
1 stop5h 18mUnited Airlines
Sun 1/185:13 pmGPT - ONT
1 stop6h 45mUnited Airlines
Deal found 12/24$497
This Frontier deal was found by Cheapflights users on 12/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:45 amONT - MEM
1 stop10h 27mFrontier
Thu 1/18:07 pmMEM - ONT
1 stop5h 52mFrontier
Deal found 12/26$512
This Kiwi.com deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amONT - MEM
1 stop8h 49mMultiple Airlines
Fri 1/29:27 pmMEM - ONT
1 stop21h 04mMultiple Airlines
Deal found 12/24$514
This United Airlines deal was found by Cheapflights users on 12/24. 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 12/316:04 amONT - GPT
1 stop5h 18mUnited Airlines
Sun 1/45:15 pmGPT - ONT
1 stop6h 37mUnited Airlines
Deal found 12/24$535
This Kiwi.com deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amONT - MEM
1 stop8h 49mMultiple Airlines
Tue 12/308:07 pmMEM - ONT
1 stop29h 52mMultiple Airlines
Deal found 12/24$640
This United Airlines deal was found by Cheapflights users on 12/24. 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 12/315:05 amONT - MEM
1 stop7h 12mUnited Airlines
Sat 1/33:29 pmMEM - ONT
1 stop8h 23mUnited Airlines
Deal found 12/24$644
This United Airlines deal was found by Cheapflights users on 12/24. 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 12/276:04 amONT - GPT
1 stop7h 59mUnited Airlines
Wed 12/315:15 pmGPT - ONT
1 stop6h 37mUnited Airlines
Deal found 12/24$654
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Wed 12/316:04 amONT - BTR
1 stop7h 43mUnited Airlines
Sun 1/412:11 pmBTR - ONT
2 stops10h 56mUnited Airlines
Deal found 12/25$665

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 December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$182
(Expedia)

One-way from

$91
(Frontier)

Popular in

December

Cheapest in

September

Average price

$698
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. 7% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 26, 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

Mon 2/9

6:20 am-2:17 pm

1 stop5h 57m

Memphis

Thu 2/12

8:09 pm-11:59 pm

1 stop5h 50m

$182

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Fri 2/27

6:00 am-7:11 pm

1 stop11h 11m

Memphis

Sun 3/1

8:09 pm-11:59 pm

1 stop29h 50m

$205

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Wed 2/4

10:30 pm-8:29 am

1 stop7h 59m

Mobile

Sat 2/7

6:00 am-11:31 am

1 stop7h 31m

$309

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Wed 2/4

10:30 pm-9:47 am

1 stop9h 17m

Baton Rouge Ryan

Tue 2/10

6:18 am-11:31 am

1 stop7h 13m

$309

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Wed 2/4

7:16 am-2:39 pm

1 stop5h 23m

Mobile

Sat 2/7

6:33 am-6:45 pm

2 stops14h 12m

$314

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Wed 2/4

6:00 am-9:59 pm

2 stops13h 59m

Mobile

Sat 2/7

10:44 am-8:58 pm

2 stops12h 14m

$319

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Sun 2/8

10:30 pm-8:29 am

1 stop7h 59m

Mobile

Thu 2/19

6:00 am-12:02 pm

1 stop8h 02m

$334

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Tue 2/10

10:30 pm-8:29 am

1 stop7h 59m

Mobile

Sat 2/21

6:00 am-12:02 pm

1 stop8h 02m

$334

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Fri 2/13

10:20 pm-8:32 am

1 stop8h 12m

Mobile

Sat 2/21

6:00 am-12:02 pm

1 stop8h 02m

$334

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Mon 2/9

10:30 pm-8:29 am

1 stop7h 59m

Mobile

Sat 2/21

6:00 am-12:02 pm

1 stop8h 02m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

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 March is currently the most expensive (average of $350). 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 December 26, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Ontario to Mississippi. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,018 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,116 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,068 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 23m. There are 1722 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 - Baton Rouge Ryan or Ontario - Mobile 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 March is currently the most expensive (average of $350). 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 4 airlines flying from Ontario to Mississippi

Discover the top 4 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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$175Average$446FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$452FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$313Average$468FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$367Average$435FlexibilityNo cancel feeOn-time63%

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