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$101+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
JAN — ONT
Apr 5 — Apr 121
Sa 4/5
Sa 4/12
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 März 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Frontier)

One-way from

$101
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$559
Provider with most accurate pricing for Jackson-Evers Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Jackson-Evers Intl-Los Angeles flights.
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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. 10% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 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 März 31, 2025.

This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 5/83:07 pmMEM - ONT
1 stop10h 52mFrontier
Sa 5/1712:59 amONT - MEM
1 stop11h 21mFrontier
Deal found 3/30$238
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Di 4/153:30 pmMOB - ONT
1 stop8h 28mUnited Airlines
Sa 4/196:10 amONT - MOB
1 stop7h 58mUnited Airlines
Deal found 3/31$279
This Delta deal was found by Cheapflights users on 3/30. 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.
Fr 4/182:42 pmMOB - ONT
1 stop9h 54mDelta
So 4/206:00 amONT - MOB
2 stops8h 31mDelta
Deal found 3/30$323
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 5/283:30 pmMEM - ONT
1 stop8h 15mSouthwest
Mo 8/115:40 amONT - MEM
1 stop8h 15mSouthwest
Deal found 3/31$343
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Di 4/225:08 pmMEM - ONT
1 stop6h 50mUnited Airlines
Sa 4/265:00 amONT - MEM
1 stop7h 07mUnited Airlines
Deal found 3/31$345
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 5/175:00 amMEM - ONT
1 stop6h 50mAmerican Airlines
Sa 6/712:49 pmONT - MEM
1 stop7h 44mAmerican Airlines
Deal found 3/30$347
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 4/185:30 pmBTR - ONT
1 stop6h 28mUnited Airlines
So 4/206:10 amONT - BTR
1 stop5h 20mUnited Airlines
Deal found 3/30$374
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 4/184:55 pmGPT - ONT
1 stop7h 03mUnited Airlines
So 4/206:10 amONT - GPT
1 stop8h 01mUnited Airlines
Deal found 3/30$374
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 4/117:46 pmGPT - ONT
1 stop6h 04mAmerican Airlines
So 4/1311:59 pmONT - GPT
1 stop7h 59mAmerican Airlines
Deal found 3/30$379
This Delta deal was found by Cheapflights users on 3/30. 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.
Fr 4/116:00 amGPT - ONT
1 stop7h 29mDelta
So 4/135:15 pmONT - GPT
2 stops13h 44mDelta
Deal found 3/30$384
This Delta deal was found by Cheapflights users on 3/31. 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.
Mi 5/287:20 amMEM - ONT
1 stop6h 55mDelta
Di 8/129:55 amONT - MEM
1 stop6h 08mDelta
Deal found 3/31$391
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Mo 4/215:50 pmMOB - ONT
1 stop6h 20mAmerican Airlines
Di 4/296:15 amONT - MOB
2 stops9h 51mAmerican Airlines
Deal found 3/31$394

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 März 31, 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

Do 5/8

3:07 pm-11:59 pm

1 stop10h 52m

Ontario

Sa 5/17

12:59 am-2:20 pm

1 stop11h 21m

$238

MobileOntario

MOB - ONT

MOBONT

Mobile

Di 4/15

3:30 pm-9:58 pm

1 stop8h 28m

Ontario

Sa 4/19

6:10 am-4:08 pm

1 stop7h 58m

$279

MobileOntario

MOB - ONT

MOBONT

Mobile

Fr 4/18

2:42 pm-10:36 pm

1 stop9h 54m

Ontario

So 4/20

6:00 am-4:31 pm

2 stops8h 31m

$323

MemphisOntario

MEM - ONT

MEMONT

Memphis

Mi 5/28

3:30 pm-9:45 pm

1 stop8h 15m

Ontario

Mo 8/11

5:40 am-3:55 pm

1 stop8h 15m

$343

MemphisOntario

MEM - ONT

MEMONT

Memphis

Di 4/22

5:08 pm-9:58 pm

1 stop6h 50m

Ontario

Sa 4/26

5:00 am-2:07 pm

1 stop7h 07m

$345

MemphisOntario

MEM - ONT

MEMONT

Memphis

Sa 5/17

5:00 am-9:50 am

1 stop6h 50m

Ontario

Sa 6/7

12:49 pm-10:33 pm

1 stop7h 44m

$347

JacksonOntario

JAN - ONT

JANONT

Jackson-Evers Intl

Di 9/16

12:10 pm-7:42 pm

1 stop9h 32m

Ontario

Mi 9/24

10:59 pm-8:32 am

1 stop7h 33m

$351

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Fr 4/18

5:30 pm-9:58 pm

1 stop6h 28m

Ontario

So 4/20

6:10 am-1:30 pm

1 stop5h 20m

$374

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fr 4/18

4:55 pm-9:58 pm

1 stop7h 03m

Ontario

So 4/20

6:10 am-4:11 pm

1 stop8h 01m

$374

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fr 4/11

7:46 pm-11:50 pm

1 stop6h 04m

Ontario

So 4/13

11:59 pm-9:58 am

1 stop7h 59m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 36 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 $326). 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 März 31, 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated März 31, 2025.
To help decide which airline to fly from Mississippi to Ontario, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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 ($101), United Airlines ($155), and Delta ($176).

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

    The most popular flight routes from Mississippi to Ontario are Memphis - Ontario, Mobile - 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 $326). 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 März 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$449FlexibilityNo cancel feeOn-time71%
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