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Cheap flights from Ontario to Mississippi from $109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Mississippi departing on 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Mississippi

Cheap round-trip flights

Frontier Logo
6:53 am - 7:22 pmONT-MEM
10h 29m1 stop
Frontier Logo
8:10 pm - 11:50 pmMEM-ONT
5h 40m1 stop
$143Frontier
Find Deal
jue., nov. 13 - lun., nov. 17
Frontier Logo
6:53 am - 7:22 pmONT-MEM
10h 29m1 stop
Frontier Logo
8:00 pm - 11:10 amMEM-ONT
17h 10m1 stop
$175Frontier
Find Deal
jue., nov. 6 - dom., nov. 9
Delta Logo
10:30 pm - 9:41 amONT-GPT
9h 11m1 stop
Delta Logo
6:00 am - 11:38 amGPT-ONT
7h 38m1 stop
$289Delta
Find Deal
sáb., feb. 21 - mié., feb. 25
Delta Logo
10:00 pm - 9:37 amONT-BTR
9h 37m1 stop
Delta Logo
3:40 pm - 10:22 pmBTR-ONT
8h 42m1 stop
$289Delta
Find Deal
vie., oct. 17 - mar., oct. 21
American Airlines Logo
1:00 pm - 11:36 pmONT-GPT
8h 36m2 stops
American Airlines Logo
6:26 pm - 10:42 pmGPT-ONT
6h 16m1 stop
$294American Airlines
Find Deal
mié., oct. 22 - mié., oct. 29
United Airlines Logo
6:00 am - 1:17 pmONT-BTR
5h 17m1 stop
United Airlines Logo
1:55 pm - 10:57 pmBTR-ONT
11h 02m2 stops
$294United Airlines
Find Deal
mié., feb. 11 - mié., feb. 18
American Airlines Logo
10:57 am - 6:13 pmONT-MEM
5h 16m1 stop
American Airlines Logo
5:15 am - 9:57 amMEM-ONT
6h 42m1 stop
$361American Airlines
Find Deal
vie., oct. 31 - lun., nov. 3
United Airlines Logo
6:00 am - 4:04 pmONT-JAN
8h 04m1 stop
United Airlines Logo
5:05 pm - 9:24 pmJAN-ONT
6h 19m1 stop
$363United Airlines
Find Deal
jue., oct. 16 - mar., oct. 21
Southwest Logo
10:35 am - 10:05 pmONT-JAN
9h 30m2 stops
Southwest Logo
6:25 am - 12:00 pmJAN-ONT
7h 35m2 stops
$373Southwest
Find Deal
jue., nov. 13 - jue., nov. 20
Southwest Logo
1:05 pm - 10:05 pmONT-JAN
7h 00m1 stop
Southwest Logo
6:25 am - 12:00 pmJAN-ONT
7h 35m2 stops
$376Southwest
Find Deal
jue., nov. 13 - jue., nov. 20

Frontier flights from Ontario to Mississippi

Our best Frontier deals on Ontario to Mississippi flight tickets
Frontier
Nov 13
ONT6:53 amOntario
10h 29m
1 stop
MEM7:22 pmMemphis
Nov 17
MEM8:10 pmMemphis
5h 40m
1 stop
ONT11:50 pmOntario
$143
Find similar
Frontier
Nov 6
ONT6:53 amOntario
10h 29m
1 stop
MEM7:22 pmMemphis
Nov 9
MEM8:00 pmMemphis
17h 10m
1 stop
ONT11:10 amOntario
$175
Find similar
Frontier
Oct 30
ONT6:53 amOntario
10h 29m
1 stop
MEM7:22 pmMemphis
Nov 3
MEM8:10 pmMemphis
5h 40m
1 stop
ONT11:50 pmOntario
$183
Find similar

United Airlines flights from Ontario to Mississippi

Our best United Airlines deals on Ontario to Mississippi flight tickets
United Airlines
Feb 11
ONT6:00 amOntario
5h 17m
1 stop
BTR1:17 pmBaton Rouge Ryan
Feb 18
BTR1:55 pmBaton Rouge Ryan
11h 02m
2 stops
ONT10:57 pmOntario
$294
Find similar
United Airlines
Oct 16
ONT6:00 amOntario
8h 04m
1 stop
JAN4:04 pmJackson-Evers Intl
Oct 21
JAN5:05 pmJackson-Evers Intl
6h 19m
1 stop
ONT9:24 pmOntario
$363
Find similar
United Airlines
Feb 12
ONT6:00 amOntario
8h 02m
1 stop
GPT4:02 pmGulfport Biloxi Regional
Feb 17
GPT5:15 pmGulfport Biloxi Regional
6h 44m
1 stop
ONT9:59 pmOntario
$364
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated septiembre 24, 2025.
Use the filters below to find and compare flights from Ontario to Mississippi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

jue. 11/13

6:53 am-7:22 pm

1 stop10h 29m

Memphis

lun. 11/17

8:10 pm-11:50 pm

1 stop5h 40m

$143

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

jue. 11/6

6:53 am-7:22 pm

1 stop10h 29m

Memphis

dom. 11/9

8:00 pm-11:10 am

1 stop17h 10m

$175

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

sáb. 2/21

10:30 pm-9:41 am

1 stop9h 11m

Gulfport Biloxi Regional

mié. 2/25

6:00 am-11:38 am

1 stop7h 38m

$289

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

vie. 10/17

10:00 pm-9:37 am

1 stop9h 37m

Baton Rouge Ryan

mar. 10/21

3:40 pm-10:22 pm

1 stop8h 42m

$289

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

mié. 10/22

1:00 pm-11:36 pm

2 stops8h 36m

Gulfport Biloxi Regional

mié. 10/29

6:26 pm-10:42 pm

1 stop6h 16m

$294

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

mié. 2/11

6:00 am-1:17 pm

1 stop5h 17m

Baton Rouge Ryan

mié. 2/18

1:55 pm-10:57 pm

2 stops11h 02m

$294

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

vie. 10/31

10:57 am-6:13 pm

1 stop5h 16m

Memphis

lun. 11/3

5:15 am-9:57 am

1 stop6h 42m

$361

OntarioJackson

ONT - JAN

ONTJAN

Ontario

jue. 10/16

6:00 am-4:04 pm

1 stop8h 04m

Jackson-Evers Intl

mar. 10/21

5:05 pm-9:24 pm

1 stop6h 19m

$363

OntarioJackson

ONT - JAN

ONTJAN

Ontario

jue. 11/13

10:35 am-10:05 pm

2 stops9h 30m

Jackson-Evers Intl

jue. 11/20

6:25 am-12:00 pm

2 stops7h 35m

$373

OntarioJackson

ONT - JAN

ONTJAN

Ontario

jue. 11/13

1:05 pm-10:05 pm

1 stop7h 00m

Jackson-Evers Intl

jue. 11/20

6:25 am-12:00 pm

2 stops7h 35m

$376

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Mississippi from

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

What is the cheapest month to fly to Mississippi?

The month of August is, on average, the cheapest month to fly to Mississippi from Ontario, with most prices found around $324. If you don’t want to visit Mississippi in August, then you should wait until May to fly from Ontario, when ticket prices are also cheap, with an average price of $350.

What is the cheapest day to depart on your flight to Mississippi?

The cheapest day to depart from Ontario to Mississippi is on a Wednesday. Travelers who choose to depart for Mississippi on a Wednesday will often find tickets for as low as $410. Flights from Ontario to Mississippi on a Saturday will generally be more expensive and average around $785. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Mississippi?

According to our data, the cheapest time of day to fly to Mississippi is in the morning. momondo users have found flights departing from Ontario to Mississippi in the morning for as low as $445. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Mississippi, so prices are often more expensive at around $547 per ticket.

Cheap Ontario to Mississippi flight deals and tips

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

Direct flights

None
There are no direct flights from Ontario to Mississippi. There are no popular flight routes from Ontario to Mississippi.
Search flight deals

  • 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?

  • 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
DeltaPriceFrom $175Free CancellationRating
7.9
7,973 reviews
Search Delta flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $313Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
SouthwestPriceFrom $367Free CancellationRating
8.0
4,244 reviews
Search Southwest 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.

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