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$379+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$379
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$410
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 ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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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 September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/256:02 pmGPT - ONT
1 stop6h 40mAmerican Airlines
Tue 10/282:51 pmONT - GPT
1 stop6h 45mAmerican Airlines
Deal found 9/13$379
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/305:25 pmGPT - ONT
1 stop5h 59mUnited Airlines
Sat 10/46:00 amONT - GPT
1 stop5h 25mUnited Airlines
Deal found 9/14$429
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/315:10 amGPT - ONT
1 stop6h 57mAmerican Airlines
Thu 11/62:59 pmONT - GPT
1 stop6h 08mAmerican Airlines
Deal found 9/14$436
This Delta deal was found by Cheapflights users on 9/15. 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 11/73:45 pmGPT - ONT
1 stop8h 37mDelta
Sun 11/910:25 pmONT - GPT
1 stop9h 24mDelta
Deal found 9/15$437
This Delta deal was found by Cheapflights users on 9/15. 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 10/152:31 pmGPT - ONT
1 stop9h 51mDelta
Wed 10/2210:00 pmONT - GPT
1 stop9h 16mDelta
Deal found 9/15$453
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/207:06 pmGPT - ONT
1 stop6h 53mAmerican Airlines
Sun 10/2612:48 pmONT - GPT
1 stop8h 07mAmerican Airlines
Deal found 9/14$459
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/155:25 pmGPT - ONT
1 stop5h 59mUnited Airlines
Wed 10/226:00 amONT - GPT
1 stop8h 12mUnited Airlines
Deal found 9/15$468
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/175:25 pmGPT - ONT
1 stop5h 59mUnited Airlines
Sun 10/198:16 pmONT - GPT
2 stops12h 50mUnited Airlines
Deal found 9/14$474
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/76:10 pmGPT - ONT
1 stop6h 19mAmerican Airlines
Sun 11/97:30 pmONT - GPT
2 stops14h 10mAmerican Airlines
Deal found 9/14$483

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 September 16, 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

Sat 10/25

6:02 pm-10:42 pm

1 stop6h 40m

Ontario

Tue 10/28

2:51 pm-11:36 pm

1 stop6h 45m

$379

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Tue 9/30

5:25 pm-9:24 pm

1 stop5h 59m

Ontario

Sat 10/4

6:00 am-1:25 pm

1 stop5h 25m

$429

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 10/31

5:10 am-10:07 am

1 stop6h 57m

Ontario

Thu 11/6

2:59 pm-11:07 pm

1 stop6h 08m

$436

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 11/7

3:45 pm-10:22 pm

1 stop8h 37m

Ontario

Sun 11/9

10:25 pm-9:49 am

1 stop9h 24m

$437

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Wed 10/15

2:31 pm-10:22 pm

1 stop9h 51m

Ontario

Wed 10/22

10:00 pm-9:16 am

1 stop9h 16m

$453

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Mon 10/20

5:25 pm-9:24 pm

1 stop5h 59m

$385

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Sat 9/27

7:00 am-10:52 pm

2 stops17h 52m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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 $327). 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 September 16, 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 September 16, 2025.
Get a feel of what it's like to fly with American 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.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Crew

8.0

Food

6.4

Comfort

7.2

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Crew

8.0

Food

6.4

Comfort

7.2

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

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.

  • How long is the flight from Biloxi to Ontario?

    There are many flights that can get you from Biloxi to Ontario in 5h 59m. Fly via American Airlines or United Airlines to get the fastest option. Airlines will cover a distance of 1680 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $327). 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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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$428FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$294Average$404FlexibilityNo cancel feeOn-time63%
DeltaCheapest$309Average$458FlexibilityNo cancel feeOn-timeN/A

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