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Mississippi

$117+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JAN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$235
(FlightHub)

One-way from

$117
(FlightHub)

Popular in

October

Cheapest in

August

Average price

$644
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. 8% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This FlightHub deal was found by Cheapflights users on 7/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:21 pmONT - MEM
1 stop23h 27mFrontier
Thu 8/216:20 pmMEM - ONT
1 stop16h 25mFrontier
Deal found 7/28$235
This Delta deal was found by Cheapflights users on 7/28. 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.
Sun 8/3111:45 amONT - MOB
1 stop7h 00mDelta
Tue 9/96:00 amMOB - ONT
1 stop6h 35mDelta
Deal found 7/28$283
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/212:31 pmONT - MOB
1 stop6h 26mAmerican Airlines
Wed 8/275:25 amMOB - ONT
1 stop6h 33mAmerican Airlines
Deal found 7/29$287
This Delta deal was found by Cheapflights users on 7/27. 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 8/2311:45 amONT - GPT
1 stop7h 53mDelta
Tue 8/266:00 amGPT - ONT
1 stop6h 35mDelta
Deal found 7/27$289
This Delta deal was found by Cheapflights users on 7/30. 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 8/2911:45 amONT - BTR
1 stop8h 28mDelta
Mon 9/16:00 amBTR - ONT
1 stop6h 35mDelta
Deal found 7/30$289
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/211:59 pmONT - BTR
1 stop7h 39mAmerican Airlines
Sat 9/610:08 amBTR - ONT
2 stops10h 08mAmerican Airlines
Deal found 7/29$294
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/2710:53 amONT - MEM
1 stop5h 13mAmerican Airlines
Tue 9/305:25 amMEM - ONT
1 stop8h 32mAmerican Airlines
Deal found 7/29$325
This Delta deal was found by Cheapflights users on 7/29. 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 8/267:05 amONT - JAN
1 stop8h 18mDelta
Tue 9/25:50 amJAN - ONT
1 stop6h 45mDelta
Deal found 7/29$333
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/2611:59 pmONT - JAN
2 stops9h 33mAmerican Airlines
Tue 9/26:40 pmJAN - ONT
1 stop6h 08mAmerican Airlines
Deal found 7/29$338
This American Airlines deal was found by Cheapflights users on 7/29. 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 10/307:27 pmONT - GPT
2 stops15h 38mAmerican Airlines
Sat 11/85:20 amGPT - ONT
1 stop8h 34mAmerican Airlines
Deal found 7/29$344
This Delta deal was found by Cheapflights users on 7/30. 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 8/197:05 amONT - MEM
1 stop9h 00mDelta
Sat 8/237:40 amMEM - ONT
1 stop6h 34mDelta
Deal found 7/30$347
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/121:34 pmONT - BTR
2 stops7h 50mUnited Airlines
Sat 8/162:00 pmBTR - ONT
2 stops10h 52mUnited Airlines
Deal found 7/28$364

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 July 30, 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

Sat 8/16

5:21 pm-6:48 pm

1 stop23h 27m

Memphis

Thu 8/21

6:20 pm-8:45 am

1 stop16h 25m

$235

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Sun 8/31

11:45 am-8:45 pm

1 stop7h 00m

Mobile

Tue 9/9

6:00 am-10:35 am

1 stop6h 35m

$283

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Thu 8/21

2:31 pm-10:57 pm

1 stop6h 26m

Mobile

Wed 8/27

5:25 am-9:58 am

1 stop6h 33m

$287

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Sat 8/23

11:45 am-9:38 pm

1 stop7h 53m

Gulfport Biloxi Regional

Tue 8/26

6:00 am-10:35 am

1 stop6h 35m

$289

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Fri 8/29

11:45 am-10:13 pm

1 stop8h 28m

Baton Rouge Ryan

Mon 9/1

6:00 am-10:35 am

1 stop6h 35m

$289

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Tue 9/2

11:59 pm-9:38 am

1 stop7h 39m

Baton Rouge Ryan

Sat 9/6

10:08 am-6:16 pm

2 stops10h 08m

$294

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Sat 9/27

10:53 am-6:06 pm

1 stop5h 13m

Memphis

Tue 9/30

5:25 am-11:57 am

1 stop8h 32m

$325

OntarioJackson

ONT - JAN

ONTJAN

Ontario

Tue 8/26

7:05 am-5:23 pm

1 stop8h 18m

Jackson-Evers Intl

Tue 9/2

5:50 am-10:35 am

1 stop6h 45m

$333

OntarioJackson

ONT - JAN

ONTJAN

Ontario

Tue 8/26

11:59 pm-11:32 am

2 stops9h 33m

Jackson-Evers Intl

Tue 9/2

6:40 pm-10:48 pm

1 stop6h 08m

$338

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Thu 10/30

2:51 pm-10:55 pm

1 stop6h 04m

Gulfport Biloxi Regional

Sat 11/8

5:20 am-9:57 am

1 stop6h 37m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 39 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 $449). 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 July 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Ontario to Mississippi. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $117. Users have also found prices from $163 and $174 on American Airlines and Delta, respectively.

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

    Most travelers choose Ontario - Memphis, Ontario - Baton Rouge Ryan or Ontario - Jackson-Evers Intl 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 $449). 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$238Average$434FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$482FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$392FlexibilityNo cancel feeOn-timeN/A

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