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$85+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
JAN — ONT
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Mississippi to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Mississippi (USMS) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$140
(CheapOair)

One-way from

$85
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$526
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. 9% potential increase in price ($51 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 January 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 January 30, 2025.

This CheapOair deal was found by Cheapflights users on 1/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/278:15 pmMEM - ONT
1 stop16h 10mFrontier
Sat 3/112:59 amONT - MEM
1 stop16h 26mFrontier
Deal found 1/29$140
This Delta deal was found by Cheapflights users on 1/29. 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.
Wed 3/197:55 amMEM - ONT
1 stop6h 34mDelta
Tue 4/112:46 pmONT - MEM
1 stop6h 30mDelta
Deal found 1/29$337
This American Airlines deal was found by Cheapflights users on 1/29. 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.
Mon 3/32:43 pmMEM - ONT
1 stop8h 19mAmerican Airlines
Sun 3/910:27 pmONT - MEM
1 stop10h 09mAmerican Airlines
Deal found 1/29$377
This Delta deal was found by Cheapflights users on 1/30. 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.
Thu 2/206:30 amGPT - ONT
1 stop7h 25mDelta
Mon 2/245:10 pmONT - GPT
2 stops14h 14mDelta
Deal found 1/30$393
This Southwest deal was found by Cheapflights users on 1/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/183:10 pmMEM - ONT
1 stop9h 50mSouthwest
Sun 4/2711:45 amONT - MEM
1 stop10h 20mSouthwest
Deal found 1/29$402
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Tue 4/298:06 amMEM - ONT
1 stop14h 36mUnited Airlines
Tue 5/66:00 amONT - MEM
2 stops13h 10mUnited Airlines
Deal found 1/30$420
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Thu 4/38:05 pmBTR - ONT
1 stop5h 49mAmerican Airlines
Sun 4/66:00 amONT - BTR
1 stop7h 53mAmerican Airlines
Deal found 1/30$453
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Thu 2/2012:50 pmGPT - ONT
2 stops13h 03mAmerican Airlines
Mon 2/2410:05 amONT - GPT
2 stops10h 01mAmerican Airlines
Deal found 1/30$464
This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/195:16 pmJAN - ONT
1 stop6h 43mUnited Airlines
Fri 2/216:00 amONT - JAN
1 stop8h 04mUnited Airlines
Deal found 1/29$466
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/222:12 pmMEM - ONT
2 stops22h 27mAlaska Airlines
Mon 10/66:55 pmONT - MEM
2 stops11h 48mAlaska Airlines
Deal found 1/30$518
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Fri 2/285:07 amBTR - ONT
1 stop18h 52mUnited Airlines
Sun 3/26:00 amONT - BTR
1 stop5h 16mUnited Airlines
Deal found 1/30$557
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Wed 6/117:15 amGPT - ONT
2 stops12h 10mUnited Airlines
Sun 6/156:00 amONT - GPT
1 stop7h 59mUnited Airlines
Deal found 1/30$577

Find flights from Mississippi to Ontario within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MemphisOntario

MEM - ONT

MEMONT

Memphis

Thu 2/27

8:15 pm-10:25 am

1 stop16h 10m

Ontario

Sat 3/1

12:59 am-7:25 pm

1 stop16h 26m

$140

MemphisOntario

MEM - ONT

MEMONT

Memphis

Wed 3/19

7:55 am-12:29 pm

1 stop6h 34m

Ontario

Tue 4/1

12:46 pm-9:16 pm

1 stop6h 30m

$337

MemphisOntario

MEM - ONT

MEMONT

Memphis

Mon 3/3

2:43 pm-9:02 pm

1 stop8h 19m

Ontario

Sun 3/9

10:27 pm-10:36 am

1 stop10h 09m

$377

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Thu 2/20

6:30 am-11:55 am

1 stop7h 25m

Ontario

Mon 2/24

5:10 pm-9:24 am

2 stops14h 14m

$393

MemphisOntario

MEM - ONT

MEMONT

Memphis

Fri 4/18

3:10 pm-11:00 pm

1 stop9h 50m

Ontario

Sun 4/27

11:45 am-12:05 am

1 stop10h 20m

$402

MemphisOntario

MEM - ONT

MEMONT

Memphis

Tue 4/29

8:06 am-8:42 pm

1 stop14h 36m

Ontario

Tue 5/6

6:00 am-9:10 pm

2 stops13h 10m

$420

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Thu 4/3

8:05 pm-11:54 pm

1 stop5h 49m

Ontario

Sun 4/6

6:00 am-3:53 pm

1 stop7h 53m

$453

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Thu 2/20

12:50 pm-11:53 pm

2 stops13h 03m

Ontario

Mon 2/24

10:05 am-10:06 pm

2 stops10h 01m

$464

JacksonOntario

JAN - ONT

JANONT

Jackson-Evers Intl

Wed 2/19

5:16 pm-9:59 pm

1 stop6h 43m

Ontario

Fri 2/21

6:00 am-4:04 pm

1 stop8h 04m

$466

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Fri 2/28

5:07 am-9:59 pm

1 stop18h 52m

Ontario

Sun 3/2

6:00 am-1:16 pm

1 stop5h 16m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 33 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.

Travel insights for flights from Mississippi to Ontario

Get recent, data-driven insights about flights from Mississippi to Ontario including ideal travel times, pricing trends, and more.

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 $310). 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 January 30, 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 January 30, 2025.
To help decide which airline to fly from Mississippi to Ontario, see what other customers have to say about Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,585 reviews

Crew

8.7

Food

7.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,585 reviews
Southwest
8.1
Very good
4,585 reviews

Crew

8.7

Food

7.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,688 reviews
Southwest
8.1
Very good
4,585 reviews

Crew

8.7

Food

7.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,454 reviews
Southwest
8.1
Very good
4,585 reviews

Crew

8.7

Food

7.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,913 reviews
Southwest
8.1
Very good
4,585 reviews

Crew

8.7

Food

7.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,585 reviews

Crew

8.7

Food

7.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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 ($85), Delta ($169), and Southwest ($174).

  • 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 $310). 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$470FlexibilityNo cancel feeOn-time71%
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