What is the cheapest airline that flies from Ontario to Mississippi?

Frontier, American Airlines, and Delta are the most popular carriers operating from Ontario to Mississippi

What airlines fly to Mississippi?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Mississippi from Ontario according to our data. American Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Mississippi. Keep in mind that there are 4 different airlines that fly to Mississippi on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Mississippi?

Prices for flights from Ontario Airport to Mississippi were last updated today.

How many operators does momondo search for flights from Ontario Airport to Mississippi?

As of June 2026, there are 5 operators available to choose from for flights from Ontario Airport to Mississippi.

How old do you have to be to fly from Ontario Airport to Mississippi?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Mississippi.

What documentation or ID do you need to fly to Mississippi?

The travel and health documents required for your trip to Mississippi can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Mississippi. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$121 Cheap Flights from Ontario to Mississippi in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Mississippi

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:49 am - 7:03 pm

ONT

MEM

6h 14m

1 stop

7:48 pm - 11:50 pm

MEM

ONT

6h 02m

1 stop

$243Frontier

Wed, Aug 5 - Wed, Aug 12

10:49 am - 7:03 pm

ONT

MEM

6h 14m

1 stop

7:48 pm - 11:50 pm

MEM

ONT

6h 02m

1 stop

$270Frontier

Mon, Aug 3 - Mon, Aug 10

2:58 pm - 9:09 pm

ONT

MEM

28h 11m

1 stop

9:35 pm - 10:21 am

MEM

ONT

14h 46m

1 stop

$282Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

2:27 pm - 11:16 pm

ONT

GPT

6h 49m

1 stop

5:31 am - 9:34 am

GPT

ONT

6h 03m

1 stop

$349American Airlines

Wed, Aug 5 - Wed, Aug 12

5:45 am - 4:19 pm

ONT

MOB

8h 34m

1 stop

10:59 am - 8:01 pm

MOB

ONT

11h 02m

2 stops

$354United Airlines

Wed, Aug 5 - Sat, Aug 15

5:34 am - 1:42 pm

ONT

BTR

6h 08m

1 stop

7:36 pm - 11:59 pm

BTR

ONT

6h 23m

1 stop

$363American Airlines

Sat, Jul 25 - Mon, Jul 27

9:55 am - 8:45 pm

ONT

JAN

8h 50m

2 stops

6:40 pm - 10:05 pm

JAN

ONT

5h 25m

1 stop

$368Southwest

Tue, Jul 28 - Tue, Sep 8

1:05 pm - 8:45 pm

ONT

JAN

5h 40m

1 stop

6:40 pm - 10:05 pm

JAN

ONT

5h 25m

1 stop

$391Southwest

Tue, Jul 28 - Tue, Sep 8

6:00 am - 3:28 pm

ONT

AEX

7h 28m

1 stop

4:06 pm - 9:50 pm

AEX

ONT

7h 44m

1 stop

$408United Airlines

Tue, Oct 27 - Sat, Oct 31

3:40 pm - 6:45 pm

ONT

GPT

25h 05m

2 stops

8:21 am - 8:03 am

GPT

ONT

25h 42m

1 stop

$457Multiple Airlines

Wed, Jul 15 - Mon, Jul 20

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American Airlines flights from Ontario to Mississippi

Our best American Airlines deals on Ontario to Mississippi flight tickets

American Airlines

Aug 5

ONT2:27 pmOntario

6h 49m

1 stop

GPT11:16 pmGulfport Biloxi Regional

Aug 12

GPT5:31 amGulfport Biloxi Regional

6h 03m

1 stop

ONT9:34 amOntario

$349

American Airlines

Aug 8

ONT12:33 pmOntario

5h 44m

1 stop

MEM8:17 pmMemphis

Aug 11

MEM2:48 pmMemphis

5h 59m

1 stop

ONT6:47 pmOntario

$355

American Airlines

Jul 25

ONT5:34 amOntario

6h 08m

1 stop

BTR1:42 pmBaton Rouge Ryan

Jul 27

BTR7:36 pmBaton Rouge Ryan

6h 23m

1 stop

ONT11:59 pmOntario

$363

United Airlines flights from Ontario to Mississippi

Our best United Airlines deals on Ontario to Mississippi flight tickets

United Airlines

Aug 8

ONT1:18 pmOntario

5h 38m

1 stop

MEM8:56 pmMemphis

Aug 15

MEM4:33 pmMemphis

6h 20m

1 stop

ONT8:53 pmOntario

$350

United Airlines

Aug 5

ONT5:45 amOntario

8h 34m

1 stop

MOB4:19 pmMobile

Aug 15

MOB10:59 amMobile

11h 02m

2 stops

ONT8:01 pmOntario

$354

United Airlines

Aug 25

ONT9:01 amOntario

9h 41m

2 stops

MEM8:42 pmMemphis

Sep 1

MEM4:33 pmMemphis

6h 20m

1 stop

ONT8:53 pmOntario

$356

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Wed 8/5

10:49 am-7:03 pm

1 stop6h 14m

Memphis

Wed 8/12

7:48 pm-11:50 pm

1 stop6h 02m

$243

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Mon 8/3

10:49 am-7:03 pm

1 stop6h 14m

Memphis

Mon 8/10

7:48 pm-11:50 pm

1 stop6h 02m

$270

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Thu 10/15

2:58 pm-9:09 pm

1 stop28h 11m

Memphis

Mon 10/19

9:35 pm-10:21 am

1 stop14h 46m

$282

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Wed 8/5

2:27 pm-11:16 pm

1 stop6h 49m

Gulfport Biloxi Regional

Wed 8/12

5:31 am-9:34 am

1 stop6h 03m

$349

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Wed 8/5

5:45 am-4:19 pm

1 stop8h 34m

Mobile

Sat 8/15

10:59 am-8:01 pm

2 stops11h 02m

$354

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 7/25

5:34 am-1:42 pm

1 stop6h 08m

Baton Rouge Ryan

Mon 7/27

7:36 pm-11:59 pm

1 stop6h 23m

$363

OntarioJackson

ONT - JAN

ONTJAN

Ontario

Tue 7/28

9:55 am-8:45 pm

2 stops8h 50m

Jackson-Evers Intl

Tue 9/8

6:40 pm-10:05 pm

1 stop5h 25m

$368

Quickest round-trip

OntarioJackson

ONT - JAN

ONTJAN

Ontario

Tue 7/28

1:05 pm-8:45 pm

1 stop5h 40m

Jackson-Evers Intl

Tue 9/8

6:40 pm-10:05 pm

1 stop5h 25m

$391

OntarioAlexandria

ONT - AEX

ONTAEX

Ontario

Tue 10/27

6:00 am-3:28 pm

1 stop7h 28m

Alexandria

Sat 10/31

4:06 pm-9:50 pm

1 stop7h 44m

$408

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Wed 7/15

3:40 pm-6:45 pm

2 stops25h 05m

Gulfport Biloxi Regional

Mon 7/20

8:21 am-8:03 am

1 stop25h 42m

$457

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Mississippi

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Mississippi?

The month of January is, on average, the cheapest month to fly to Mississippi from Ontario, with most prices found around $0. If you don’t want to visit Mississippi in January, then you should wait until February to fly from Ontario, when ticket prices are also cheap, with an average price of $260.

Cheap Ontario to Mississippi flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Mississippi

Fastest flight time	5h 47m
Direct flights	None

The fastest flight from Ontario to Mississippi takes 5h 47m

There are no direct flights from Ontario to Mississippi. There are no popular flight routes from Ontario to Mississippi.

Search flight deals

Frequently asked questions about flying from Ontario to Mississippi

When did momondo last update prices for flights from Ontario Airport to Mississippi?
Prices for flights from Ontario Airport to Mississippi were last updated today.
How many operators does momondo search for flights from Ontario Airport to Mississippi?
As of June 2026, there are 5 operators available to choose from for flights from Ontario Airport to Mississippi.
How old do you have to be to fly from Ontario Airport to Mississippi?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Mississippi.
What documentation or ID do you need to fly to Mississippi?
The travel and health documents required for your trip to Mississippi can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Mississippi. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Mississippi

Compare and see reviews for airlines that fly from Ontario to Mississippi with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $260	Free Cancellation	Rating 7.9 4,242 reviews	Search Southwest flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.1 11,746 reviews	Search American Airlines flights
United Airlines	PriceFrom $313	Free Cancellation	Rating 7.4 9,876 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Mississippi?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Mississippi. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Mississippi with flexible booking policies on momondo?

All flight searches from Ontario to Mississippi on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Mississippi?

Once all potential Ontario to Mississippi flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Mississippi right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Mississippi flights. All you need is a valid email address and we will do the rest; it is that quick and easy.