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$84+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JAN
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Ontario to Mississippi

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Mississippi (USMS). 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 21, 2025.

Round-trip from

$135
(Mytrip)

One-way from

$84
(Trip.com)
From Ontario to Mississippi
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One-way flight from Ontario to Mississippi
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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 January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/20. 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.
Sat 4/56:47 pmONT - MEM
1 stop22h 07mFrontier
Tue 4/87:53 pmMEM - ONT
1 stop20h 34mFrontier
Deal found 1/20$135
This Delta deal was found by Cheapflights users on 1/21. 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 2/121:00 pmONT - BTR
1 stop7h 23mDelta
Wed 2/196:05 amBTR - ONT
1 stop7h 50mDelta
Deal found 1/21$289
This American Airlines deal was found by Cheapflights users on 1/20. 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 7/112:57 amONT - GPT
1 stop7h 00mAmerican Airlines
Wed 7/237:58 pmGPT - ONT
1 stop5h 29mAmerican Airlines
Deal found 1/20$314
This Delta deal was found by Cheapflights users on 1/21. 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 2/81:00 pmONT - MOB
1 stop8h 00mDelta
Mon 2/105:54 pmMOB - ONT
1 stop6h 58mDelta
Deal found 1/21$334
This Delta deal was found by Cheapflights users on 1/21. 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 2/207:05 amONT - MEM
1 stop9h 12mDelta
Mon 2/244:11 pmMEM - ONT
1 stop8h 41mDelta
Deal found 1/21$340
This Delta deal was found by Cheapflights users on 1/20. 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 5/210:59 pmONT - GPT
1 stop8h 38mDelta
Tue 5/61:06 pmGPT - ONT
1 stop8h 36mDelta
Deal found 1/20$344
This Delta deal was found by Cheapflights users on 1/21. 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 3/2512:46 pmONT - JAN
1 stop8h 17mDelta
Tue 4/15:28 pmJAN - ONT
1 stop7h 15mDelta
Deal found 1/21$351
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/196:00 amONT - MOB
1 stop8h 18mUnited Airlines
Wed 2/2610:55 amMOB - ONT
2 stops11h 45mUnited Airlines
Deal found 1/20$354
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/55:10 amONT - BTR
2 stops10h 32mUnited Airlines
Sun 2/95:15 pmBTR - ONT
1 stop6h 42mUnited Airlines
Deal found 1/21$373
This Orbitz deal was found by Cheapflights users on 1/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:00 amONT - MEM
2 stops14h 11mMultiple Airlines
Thu 5/153:07 pmMEM - ONT
1 stop10h 53mMultiple Airlines
Deal found 1/19$375
This American Airlines deal was found by Cheapflights users on 1/20. 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 3/3110:27 pmONT - MEM
1 stop10h 09mAmerican Airlines
Sat 4/55:00 amMEM - ONT
1 stop6h 54mAmerican Airlines
Deal found 1/20$377
This American Airlines deal was found by Cheapflights users on 1/21. 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 3/189:32 amONT - BTR
2 stops7h 33mAmerican Airlines
Fri 3/218:05 pmBTR - ONT
1 stop5h 49mAmerican Airlines
Deal found 1/21$398

Find flights from Ontario to Mississippi within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Sat 4/5

6:47 pm-6:54 pm

1 stop22h 07m

Memphis

Tue 4/8

7:53 pm-2:27 pm

1 stop20h 34m

$135

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Wed 2/12

1:00 pm-10:23 pm

1 stop7h 23m

Baton Rouge Ryan

Wed 2/19

6:05 am-11:55 am

1 stop7h 50m

$289

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Tue 7/1

12:57 am-9:57 am

1 stop7h 00m

Gulfport Biloxi Regional

Wed 7/23

7:58 pm-11:27 pm

1 stop5h 29m

$314

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Sat 2/8

1:00 pm-11:00 pm

1 stop8h 00m

Mobile

Mon 2/10

5:54 pm-10:52 pm

1 stop6h 58m

$334

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Thu 2/20

7:05 am-6:17 pm

1 stop9h 12m

Memphis

Mon 2/24

4:11 pm-10:52 pm

1 stop8h 41m

$340

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Fri 5/2

10:59 pm-9:37 am

1 stop8h 38m

Gulfport Biloxi Regional

Tue 5/6

1:06 pm-7:42 pm

1 stop8h 36m

$344

OntarioJackson

ONT - JAN

ONTJAN

Ontario

Tue 3/25

12:46 pm-11:03 pm

1 stop8h 17m

Jackson-Evers Intl

Tue 4/1

5:28 pm-10:43 pm

1 stop7h 15m

$351

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Wed 2/19

6:00 am-4:18 pm

1 stop8h 18m

Mobile

Wed 2/26

10:55 am-8:40 pm

2 stops11h 45m

$354

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Wed 2/5

5:10 am-5:42 pm

2 stops10h 32m

Baton Rouge Ryan

Sun 2/9

5:15 pm-9:57 pm

1 stop6h 42m

$373

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Tue 5/6

6:00 am-10:11 pm

2 stops14h 11m

Memphis

Thu 5/15

3:07 pm-12:00 am

1 stop10h 53m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 33 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.

Travel insights for flights from Ontario to Mississippi

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

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 $471). 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.

Rainfall in Mississippi by month

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

In terms of precipitation, rainfall in Mississippi ranges from 2.2 - 5.6 inches per month. December is typically the wettest month, when rainfall can reach 5.6 in. October is typically the driest time to visit Mississippi when rainfall is around 2.2 in.

Temperature in Mississippi by month

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

If weather is an important factor for your trip to Mississippi, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 January 21, 2025.
Get a feel of what it's like to fly with Delta, Southwest and American Airlines from Ontario to Mississippi by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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 $84. Users have also found prices from $149 and $214 on Delta and United Airlines, respectively.

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

    Most travelers choose Ontario - Memphis, Ontario - Baton Rouge Ryan or Ontario - Gulfport Biloxi Regional 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 $471). 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$332FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$466FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$489FlexibilityNo cancel feeOn-time71%
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