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$73+ Cheap flights from Mississippi to Ontario (ONT)

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
JAN — ONT
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Mississippi to Ontario

Keep the following information in mind while searching for Mississippi to Ontario flight deals. Data was last updated August 14, 2025.

Round-trip from

$242
(FlightHub)

One-way from

$73
(Priceline)

Popular in

April

Cheapest in

July

Average price

$426
From Mississippi to Ontario
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One-way flight from Mississippi to Ontario
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Highest demand for flights based on searches. 15% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Mississippi to Ontario

Cheapest flights from Mississippi to Ontario
Explore the most affordable flight options available from Mississippi to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:20 pmMEM - ONT
1 stop7h 30mFrontier
Sun 8/245:09 pmONT - MEM
1 stop23h 49mFrontier
Deal found 8/13$212
This FlightHub deal was found by Cheapflights users on 8/11. 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.
Mon 8/257:53 pmMEM - ONT
1 stop5h 57mFrontier
Wed 9/108:59 pmONT - MEM
1 stop19h 08mFrontier
Deal found 8/11$242
This Gotogate deal was found by Cheapflights users on 8/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:56 pmMEM - ONT
1 stop14h 27mFrontier
Wed 9/178:59 pmONT - MEM
1 stop19h 08mFrontier
Deal found 8/12$266
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:10 pmMEM - ONT
1 stop5h 40mFrontier
Sun 10/2611:53 amONT - MEM
1 stop5h 30mFrontier
Deal found 8/13$275
This Delta deal was found by Cheapflights users on 8/14. 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.
Wed 9/105:20 amMEM - ONT
1 stop7h 15mDelta
Tue 9/1610:00 pmONT - MEM
1 stop9h 10mDelta
Deal found 8/14$277
This Delta deal was found by Cheapflights users on 8/12. 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 10/285:43 amMOB - ONT
1 stop6h 43mDelta
Sat 11/111:36 amONT - MOB
1 stop9h 12mDelta
Deal found 8/12$289
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/410:08 amBTR - ONT
1 stop5h 45mAmerican Airlines
Wed 9/102:54 pmONT - BTR
1 stop6h 17mAmerican Airlines
Deal found 8/11$289
This Delta deal was found by Cheapflights users on 8/12. 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 9/106:00 amGPT - ONT
1 stop6h 35mDelta
Wed 9/1711:55 amONT - GPT
1 stop7h 44mDelta
Deal found 8/12$289
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:55 pmMOB - ONT
1 stop6h 38mAmerican Airlines
Wed 9/102:54 pmONT - MOB
1 stop6h 08mAmerican Airlines
Deal found 8/14$291
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/128:10 pmMEM - ONT
1 stop15h 25mFrontier
Thu 10/166:53 amONT - MEM
1 stop10h 30mFrontier
Deal found 8/13$293
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/105:30 amGPT - ONT
1 stop8h 27mAmerican Airlines
Wed 9/176:10 amONT - GPT
2 stops9h 49mAmerican Airlines
Deal found 8/12$294
This Delta deal was found by Cheapflights users on 8/14. 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.
Wed 9/105:20 amMEM - ONT
1 stop7h 15mDelta
Mon 9/1510:00 pmONT - MEM
1 stop9h 10mDelta
Deal found 8/14$297

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mississippi to Ontario 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 August 14, 2025.
Use the filters below to find and compare flights from Mississippi to Ontario that are best for you.

Fly from

Mississippi

Fly to

Ontario

Route

Depart

Return

Price

MemphisOntario

MEM - ONT

MEMONT

Memphis

Mon 8/25

7:53 pm-11:50 pm

1 stop5h 57m

Ontario

Wed 9/10

8:59 pm-6:07 pm

1 stop19h 08m

$242

MemphisOntario

MEM - ONT

MEMONT

Memphis

Thu 9/11

6:56 pm-7:23 am

1 stop14h 27m

Ontario

Wed 9/17

8:59 pm-6:07 pm

1 stop19h 08m

$266

MemphisOntario

MEM - ONT

MEMONT

Memphis

Thu 10/23

8:10 pm-11:50 pm

1 stop5h 40m

Ontario

Sun 10/26

11:53 am-7:23 pm

1 stop5h 30m

$275

MemphisOntario

MEM - ONT

MEMONT

Memphis

Tue 9/23

5:52 pm-10:23 pm

1 stop6h 31m

Ontario

Tue 9/30

11:55 am-11:03 pm

1 stop9h 08m

$277

MemphisOntario

MEM - ONT

MEMONT

Memphis

Wed 9/24

7:40 am-12:17 pm

1 stop6h 37m

Ontario

Tue 9/30

11:55 am-11:03 pm

1 stop9h 08m

$277

MemphisOntario

MEM - ONT

MEMONT

Memphis

Wed 9/24

7:40 am-12:17 pm

1 stop6h 37m

Ontario

Wed 10/1

10:00 pm-9:10 am

1 stop9h 10m

$277

MemphisOntario

MEM - ONT

MEMONT

Memphis

Wed 9/10

5:20 am-10:35 am

1 stop7h 15m

Ontario

Wed 9/17

11:55 am-8:47 pm

1 stop6h 52m

$277

MemphisOntario

MEM - ONT

MEMONT

Memphis

Wed 9/3

5:20 am-10:35 am

1 stop7h 15m

Ontario

Wed 9/10

11:45 am-11:04 pm

1 stop9h 19m

$277

MemphisOntario

MEM - ONT

MEMONT

Memphis

Wed 9/10

5:20 am-10:35 am

1 stop7h 15m

Ontario

Tue 9/16

10:00 pm-9:10 am

1 stop9h 10m

$277

MemphisOntario

MEM - ONT

MEMONT

Memphis

Tue 9/2

2:21 pm-7:11 pm

1 stop6h 50m

Ontario

Wed 9/10

11:45 am-11:04 pm

1 stop9h 19m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 60 results
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Best time to book a flight from Mississippi to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Mississippi 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 Mississippi to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Mississippi to Ontario (average of $246). Flying from Mississippi to Ontario in March is currently the most expensive (average of $328). 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.

What is the cheapest time of day to fly from MS to ONT?

Find hourly flight availability from Mississippi to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Mississippi to Ontario as you normally would.

How much does it cost to fly round-trip from Mississippi to Ontario?

Related info for your journey

Find useful and relevant information for your journey from Mississippi to Ontario. 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 into for flights to Ontario from Mississippi?

    Ontario (ONT) is the airport you will fly into if you book a flight from Mississippi to Ontario. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

  • What are the cheapest airlines to fly from Mississippi to Ontario one-way?

    The cheapest airlines for a one-way flight from Mississippi to Ontario are Frontier ($73), American Airlines ($160), and United Airlines ($165).

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

    The most popular flight routes from Mississippi to Ontario are Memphis - Ontario, Jackson-Evers Intl - Ontario and Baton Rouge Ryan - Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Mississippi to Ontario 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 Mississippi to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Mississippi to Ontario (average of $246). Flying from Mississippi to Ontario in March is currently the most expensive (average of $328). 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 Mississippi to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Mississippi to Ontario

Discover the top airline that operate flights from Mississippi to Ontario. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$304Average$460FlexibilityNo cancel feeOn-time71%

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