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Mississippi

$112+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JAN
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 1, 2025.

Round-trip from

$227
(Mytrip)

One-way from

$112
(Trip.com)

Popular in

April

Cheapest in

August

Average price

$542
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. 2% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 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 1, 2025.

This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1312:59 amONT - MEM
1 stop15h 49mFrontier
Thu 8/286:20 pmMEM - ONT
1 stop7h 30mFrontier
Deal found 6/30$227
This Delta deal was found by Cheapflights users on 6/29. 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.
Sat 8/2311:45 amONT - GPT
1 stop7h 53mDelta
Tue 8/266:00 amGPT - ONT
1 stop6h 35mDelta
Deal found 6/29$289
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Fri 7/2511:59 pmONT - BTR
1 stop8h 15mAmerican Airlines
Mon 7/286:21 pmBTR - ONT
1 stop6h 36mAmerican Airlines
Deal found 6/30$289
This Delta deal was found by Cheapflights users on 6/29. 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.
Sat 8/237:05 amONT - MOB
1 stop6h 46mDelta
Tue 8/266:00 amMOB - ONT
1 stop6h 35mDelta
Deal found 6/29$289
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/1410:50 amONT - GPT
2 stops11h 09mAmerican Airlines
Thu 8/215:10 amGPT - ONT
1 stop6h 49mAmerican Airlines
Deal found 6/30$295
This American Airlines deal was found by Cheapflights users on 7/1. 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 7/1512:55 pmONT - MOB
2 stops8h 08mAmerican Airlines
Thu 7/316:01 pmMOB - ONT
1 stop7h 53mAmerican Airlines
Deal found 7/1$319
This Delta deal was found by Cheapflights users on 6/30. 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 8/79:44 amONT - MEM
1 stop6h 08mDelta
Mon 8/114:50 pmMEM - ONT
1 stop7h 30mDelta
Deal found 6/30$343
This American Airlines deal was found by Cheapflights users on 6/30. 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 9/2510:55 amONT - MEM
1 stop7h 52mAmerican Airlines
Sat 9/275:25 amMEM - ONT
1 stop8h 30mAmerican Airlines
Deal found 6/30$345
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:25 amONT - JAN
1 stop5h 15mSouthwest
Mon 9/155:40 amJAN - ONT
1 stop5h 25mSouthwest
Deal found 6/30$351
This Delta deal was found by Cheapflights users on 6/29. 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.
Thu 8/2811:45 amONT - JAN
1 stop9h 35mDelta
Sun 8/315:50 amJAN - ONT
1 stop6h 30mDelta
Deal found 6/29$354
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 9/98:15 amONT - JAN
2 stops12h 28mAmerican Airlines
Mon 9/153:41 pmJAN - ONT
2 stops8h 07mAmerican Airlines
Deal found 6/30$361
This Delta deal was found by Cheapflights users on 7/1. 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 12/410:59 pmONT - BTR
1 stop8h 37mDelta
Sat 12/61:40 pmBTR - ONT
1 stop8h 02mDelta
Deal found 7/1$378

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 1, 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

Wed 8/13

12:59 am-6:48 pm

1 stop15h 49m

Memphis

Thu 8/28

6:20 pm-11:50 pm

1 stop7h 30m

$227

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 7/25

11:59 pm-10:14 am

1 stop8h 15m

Baton Rouge Ryan

Mon 7/28

6:21 pm-10:57 pm

1 stop6h 36m

$289

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Sat 8/23

7:05 am-3:51 pm

1 stop6h 46m

Mobile

Tue 8/26

6:00 am-10:35 am

1 stop6h 35m

$289

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Thu 8/14

10:50 am-11:59 pm

2 stops11h 09m

Gulfport Biloxi Regional

Thu 8/21

5:10 am-9:59 am

1 stop6h 49m

$295

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Tue 7/15

12:55 pm-11:03 pm

2 stops8h 08m

Mobile

Thu 7/31

6:01 pm-11:54 pm

1 stop7h 53m

$319

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Thu 8/21

10:29 pm-9:03 am

1 stop8h 34m

Memphis

Mon 8/25

6:48 am-10:48 pm

1 stop18h 00m

$324

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Thu 8/7

9:44 am-5:52 pm

1 stop6h 08m

Memphis

Mon 8/11

4:50 pm-10:20 pm

1 stop7h 30m

$343

OntarioJackson

ONT - JAN

ONTJAN

Ontario

Tue 9/9

5:25 am-12:40 pm

1 stop5h 15m

Jackson-Evers Intl

Mon 9/15

5:40 am-9:05 am

1 stop5h 25m

$351

OntarioJackson

ONT - JAN

ONTJAN

Ontario

Thu 8/28

11:45 am-11:20 pm

1 stop9h 35m

Jackson-Evers Intl

Sun 8/31

5:50 am-10:20 am

1 stop6h 30m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 43 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 $448). 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 1, 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

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
4,273 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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 $112. Users have also found prices from $174 and $184 on Delta and American Airlines, 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 $448). 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$392FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$455FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$462FlexibilityNo cancel feeOn-time71%

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