HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$339+ Cheap flights from Biloxi, MS to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
août 4 — août 111
lun. 8/4
lun. 8/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Biloxi to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Biloxi to Ontario

Keep the following information in mind while searching for Biloxi to Ontario flight deals. Data was last updated juillet 30, 2025.

Round-trip from

$339
(Delta)

Popular in

June

Cheapest in

February

Average price

$418
From Biloxi to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Biloxi to Ontario

Cheapest flights from Biloxi to Ontario
Explore the most affordable flight options available from Biloxi to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 30, 2025.

This Delta deal was found by Cheapflights users on 7/28. 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.
mar. 8/126:09 amGPT - ONT
1 stop6h 26mDelta
sam. 8/1611:45 amONT - GPT
1 stop7h 53mDelta
Deal found 7/28$339
This United Airlines deal was found by Cheapflights users on 7/29. 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.
ven. 8/225:00 pmGPT - ONT
1 stop6h 25mUnited Airlines
dim. 8/246:04 amONT - GPT
1 stop8h 01mUnited Airlines
Deal found 7/29$379
This American Airlines deal was found by Cheapflights users on 7/28. 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.
mar. 8/1212:55 pmGPT - ONT
2 stops6h 57mAmerican Airlines
sam. 8/1612:47 pmONT - GPT
1 stop8h 34mAmerican Airlines
Deal found 7/28$434
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/2212:55 pmGPT - ONT
2 stops12h 58mAlaska Airlines
dim. 8/246:00 amONT - GPT
2 stops11h 14mAlaska Airlines
Deal found 7/29$2,002

Cheapflights Fare Finder

 
Customize your flight search to find flights from Biloxi 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 juillet 30, 2025.
Use the filters below to find and compare flights from Biloxi to Ontario that are best for you.

Fly from

Biloxi

Fly to

Ontario

Route

Depart

Return

Price

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

mar. 8/12

6:09 am-10:35 am

1 stop6h 26m

Ontario

sam. 8/16

11:45 am-9:38 pm

1 stop7h 53m

$339

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

ven. 8/22

5:00 pm-9:25 pm

1 stop6h 25m

Ontario

dim. 8/24

6:04 am-4:05 pm

1 stop8h 01m

$379

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

mar. 8/12

12:55 pm-5:52 pm

2 stops6h 57m

Ontario

sam. 8/16

12:47 pm-11:21 pm

1 stop8h 34m

$434

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

ven. 8/22

12:55 pm-11:53 pm

2 stops12h 58m

Ontario

dim. 8/24

6:00 am-7:14 pm

2 stops11h 14m

$2,002

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

mar. 8/5

1:52 pm-7:20 pm

1 stop7h 28m

$360

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

mar. 8/5

10:53 am-12:15 am

2 stops15h 22m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Biloxi to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Biloxi 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 Biloxi to Ontario

What is the cheapest month to book a flight from Biloxi to Ontario?

Currently, August is the cheapest month in which you can book a flight from Biloxi to Ontario (average of $246). Flying from Biloxi to Ontario in March is currently the most expensive (average of $328). 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 B1L to ONT?

Find hourly flight availability from Biloxi 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 juillet 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Biloxi to Ontario as you normally would.

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 juillet 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Biloxi to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

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

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

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
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

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
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

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

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

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 Biloxi 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 Biloxi?

    For a flight from Biloxi to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 inbound flights from Biloxi per day. 3 airlines have flights to Ontario from Biloxi on a regular basis.

  • What are the cheapest airlines to fly from Biloxi to Ontario one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $360. United Airlines flights start at $470 while deals on Alaska Airlines start at $597 one-way.

  • Can I find deals for flights from Biloxi to Ontario that include hotel bookings?

    Yes. In addition to deals on Biloxi to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Biloxi to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Biloxi to Ontario.

  • Can I find deals for business class flights from Biloxi to Ontario?

    Yes. Cheapflights offers flight deals from Biloxi 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 Biloxi to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Biloxi to Ontario (average of $246). Flying from Biloxi to Ontario in March is currently the most expensive (average of $328). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Biloxi to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Memphis to Las Vegas flights
Memphis to Los Angeles flights
Jackson to Las Vegas flights
Memphis to San Francisco flights
Gulfport to San Diego flights
Mobile to San Diego flights
Memphis to Ontario flights
Memphis to Santa Ana flights
Gulfport to Las Vegas flights
Mobile to Las Vegas flights
Baton Rouge to Las Vegas flights
Memphis to San Diego flights
Memphis to Burbank flights
Jackson to Los Angeles flights
Baton Rouge to Los Angeles flights
Baton Rouge to San Francisco flights
Jackson to Ontario flights
Memphis to San Jose flights
Mobile to Los Angeles flights
Memphis to Sacramento flights
Jackson to Sacramento flights
Memphis to Palm Springs flights
Baton Rouge to San Diego flights
Memphis to Long Beach flights
Memphis to Oakland flights
Mobile to San Francisco flights
Columbus to Las Vegas flights
Baton Rouge to Ontario flights
Memphis to Reno flights
Memphis to San Luis Obispo flights
Jackson to San Diego flights
Mobile to San Jose flights
Alexandria to Las Vegas flights
Memphis to Fresno flights
Jackson to Reno flights
Gulfport to San Francisco flights
Meridian to San Diego flights
Memphis to Monterey flights
Gulfport to Reno flights
Jackson to San Francisco flights
Alexandria to San Diego flights
Gulfport to Los Angeles flights
Mobile to Sacramento flights
Baton Rouge to Reno flights
Baton Rouge to Fresno flights
Mobile to Ontario flights
Jackson to Santa Ana flights
Mobile to Santa Ana flights
Mobile to Reno flights
Baton Rouge to Santa Ana flights

Top 3 airlines flying from Biloxi to Ontario

Discover the top 3 airlines that operate flights from Biloxi 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 juillet 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$413FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$294Average$404FlexibilityNo cancel feeOn-time63%
DeltaCheapest$309Average$458FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.