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Biloxi

$399+ Cheap flights from Ontario (ONT) to Biloxi, MS

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Ontario to Biloxi

Cheapest flights from Ontario to Biloxi
Explore the most affordable flight options available from Ontario to Biloxi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:10 amONT - GPT
1 stop8h 18mAmerican Airlines
Sat 1/35:58 pmGPT - ONT
1 stop6h 16mAmerican Airlines
Deal found 12/15$505
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/236:04 amONT - GPT
1 stop5h 18mUnited Airlines
Sun 12/287:00 amGPT - ONT
1 stop16h 52mUnited Airlines
Deal found 12/14$749
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/176:00 amONT - GPT
1 stop8h 02mUnited Airlines
Mon 12/225:15 pmGPT - ONT
1 stop6h 37mUnited Airlines
Deal found 12/15$761
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/186:04 amONT - GPT
1 stop7h 59mUnited Airlines
Mon 12/225:15 pmGPT - ONT
1 stop6h 37mUnited Airlines
Deal found 12/15$768
This United Airlines deal was found by Cheapflights users on 12/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:04 amONT - GPT
1 stop7h 59mUnited Airlines
Sun 1/45:15 pmGPT - ONT
1 stop6h 37mUnited Airlines
Deal found 12/13$807
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/306:04 amONT - GPT
1 stop7h 59mUnited Airlines
Sat 1/31:57 pmGPT - ONT
1 stop9h 55mUnited Airlines
Deal found 12/15$809
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/236:04 amONT - GPT
1 stop5h 18mUnited Airlines
Wed 12/247:00 amGPT - ONT
2 stops31h 38mUnited Airlines
Deal found 12/14$871
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/266:04 amONT - GPT
1 stop5h 18mUnited Airlines
Tue 12/305:15 pmGPT - ONT
1 stop6h 37mUnited Airlines
Deal found 12/14$878

Find flight deals from Ontario to Biloxi

Keep the following information in mind while searching for Ontario to Biloxi flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$399
(United Airlines)

Popular in

December

Cheapest in

July

Average price

$620
Provider with most accurate pricing for Los Angeles-Gulfport Biloxi Regional flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Gulfport Biloxi Regional flights.
Search Deals
From Ontario to Biloxi
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Biloxi 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 December 15, 2025.
Use the filters below to find and compare flights from Ontario to Biloxi that are best for you.

Fly from

Ontario

Fly to

Biloxi

Route

Depart

Return

Price

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Sat 1/31

6:00 am-1:22 pm

1 stop5h 22m

Gulfport Biloxi Regional

Tue 2/3

4:42 pm-9:59 pm

1 stop7h 17m

$399

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Tue 12/30

7:10 am-5:28 pm

1 stop8h 18m

Gulfport Biloxi Regional

Sat 1/3

5:58 pm-10:14 pm

1 stop6h 16m

$505

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Thu 1/1

8:11 am-9:37 pm

2 stops11h 26m

Gulfport Biloxi Regional

Thu 1/8

5:13 pm-9:58 pm

1 stop6h 45m

$559

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Mon 2/9

6:10 am-3:58 pm

1 stop7h 48m

Gulfport Biloxi Regional

Mon 2/23

4:55 pm-12:43 pm

2 stops21h 48m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Best time to book a flight from Ontario to Biloxi

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

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

Currently, August is the cheapest month in which you can book a flight from Ontario to Biloxi (average of $78). Flying from Ontario to Biloxi in February is currently the most expensive (average of $142). 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 ONT to B1L?

Find hourly flight availability from Ontario to Biloxi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Biloxi in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Ontario to Biloxi?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Biloxi. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Biloxi flight should consider departing on Friday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Ontario to Biloxi?

Reviews of airlines servicing Biloxi

Get insights into the airlines that provide service to Biloxi. 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 Biloxi. Reviews last updated December 15, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Ontario to Biloxi. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Ontario to Biloxi. 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 Biloxi?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Biloxi. You should not have trouble finding flights to Biloxi from Ontario; the airport handles an average of 0 outbound flights to Biloxi per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Ontario airport to Biloxi. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • How long is the flight from Ontario to Biloxi?

    United Airlines can get you from Ontario to Biloxi in just under 5h 22m. Your travel time can differ by up to . The distance between Ontario and Biloxi is about 1680 mi.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Ontario to Biloxi (average of $78). Flying from Ontario to Biloxi in February is currently the most expensive (average of $142). 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 6 airlines flying from Ontario to Biloxi

Discover the top 6 airlines that operate flights from Ontario to Biloxi. 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$100Average$157FlexibilityNo cancel feeOn-time65%
FrontierCheapest$140Average$332FlexibilityNo cancel feeOn-time62%
DeltaCheapest$177Average$379FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$246Average$440FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$252Average$465FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$302Average$440FlexibilityNo cancel feeOn-time63%

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