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$294+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
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 November 10, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$294
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$403
Provider with most accurate pricing for Gulfport Biloxi Regional-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Gulfport Biloxi Regional-Los Angeles flights.
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From Biloxi to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 10, 2025.

This Delta deal was found by Cheapflights users on 11/8. 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 12/196:01 pmGPT - ONT
1 stop7h 03mDelta
Thu 1/17:05 amONT - GPT
1 stop6h 40mDelta
Deal found 11/8$567
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/145:15 pmGPT - ONT
1 stop6h 34mUnited Airlines
Tue 12/26:00 amONT - GPT
1 stop5h 20mUnited Airlines
Deal found 11/9$574
This American Airlines deal was found by Cheapflights users on 11/8. 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.
Thu 12/255:58 pmGPT - ONT
1 stop6h 16mAmerican Airlines
Thu 1/17:10 amONT - GPT
1 stop8h 18mAmerican Airlines
Deal found 11/8$583
This American Airlines deal was found by Cheapflights users on 11/8. 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.
Sun 12/217:36 pmGPT - ONT
1 stop6h 10mAmerican Airlines
Thu 1/112:55 pmONT - GPT
2 stops8h 02mAmerican Airlines
Deal found 11/8$588
This Delta deal was found by Cheapflights users on 11/8. 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.
Sat 12/206:00 amGPT - ONT
1 stop19h 23mDelta
Thu 1/17:05 amONT - GPT
1 stop6h 40mDelta
Deal found 11/8$627
This American Airlines deal was found by Cheapflights users on 11/8. 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 11/2212:09 pmGPT - ONT
1 stop8h 56mAmerican Airlines
Sun 11/309:59 amONT - GPT
2 stops11h 04mAmerican Airlines
Deal found 11/8$631
This American Airlines deal was found by Cheapflights users on 11/8. 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 12/207:36 pmGPT - ONT
1 stop6h 10mAmerican Airlines
Thu 1/112:55 pmONT - GPT
2 stops8h 02mAmerican Airlines
Deal found 11/8$662
This American Airlines deal was found by Cheapflights users on 11/8. 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 12/227:36 pmGPT - ONT
2 stops18h 17mAmerican Airlines
Thu 1/112:55 pmONT - GPT
2 stops8h 02mAmerican Airlines
Deal found 11/8$677
This American Airlines deal was found by Cheapflights users on 11/8. 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.
Wed 12/242:32 pmGPT - ONT
2 stops27h 35mAmerican Airlines
Thu 1/17:10 amONT - GPT
1 stop8h 18mAmerican Airlines
Deal found 11/8$690

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 November 10, 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

Tue 4/7

5:15 pm-10:11 pm

1 stop6h 56m

Ontario

Sat 4/11

5:10 am-7:42 pm

2 stops12h 32m

$294

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Wed 4/22

11:43 am-5:46 pm

2 stops8h 03m

Ontario

Mon 4/27

11:59 pm-10:08 am

1 stop8h 09m

$467

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Sun 12/21

5:21 pm-11:23 pm

1 stop8h 02m

Ontario

Thu 1/1

7:05 am-3:45 pm

1 stop6h 40m

$567

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Mon 12/22

5:21 pm-11:23 pm

1 stop8h 02m

Ontario

Thu 1/1

7:05 am-3:45 pm

1 stop6h 40m

$567

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 12/19

6:01 pm-11:04 pm

1 stop7h 03m

Ontario

Thu 1/1

7:05 am-3:45 pm

1 stop6h 40m

$567

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Wed 4/22

5:35 am-6:19 pm

2 stops14h 44m

Ontario

Mon 4/27

6:55 pm-10:08 am

2 stops13h 13m

$578

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Sun 12/21

7:36 pm-11:46 pm

1 stop6h 10m

Ontario

Thu 1/1

12:55 pm-10:57 pm

2 stops8h 02m

$588

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Thu 12/25

5:58 pm-10:14 pm

1 stop6h 16m

Ontario

Thu 1/1

12:55 pm-10:57 pm

2 stops8h 02m

$588

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Sat 12/20

6:00 am-11:23 pm

1 stop19h 23m

Ontario

Thu 1/1

7:05 am-3:45 pm

1 stop6h 40m

$627

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Wed 12/24

6:00 am-10:00 am

1 stop30h 00m

Ontario

Thu 1/1

7:05 am-3:45 pm

1 stop6h 40m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

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, April is the cheapest month in which you can book a flight from Biloxi to Ontario (average of $83). Flying from Biloxi to Ontario in January is currently the most expensive (average of $157). 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 November 10, 2025.

It’s optimal to fly from Biloxi to Ontario at noon. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the morning.

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 November 10, 2025.
Get a feel of what it's like to fly with United Airlines and 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.
United Airlines
7.4
Good
9,012 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,012 reviews
United Airlines
7.4
Good
9,012 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,012 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 6h 56m. Fly via United Airlines, American Airlines, or Delta 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, April is the cheapest month in which you can book a flight from Biloxi to Ontario (average of $83). Flying from Biloxi to Ontario in January is currently the most expensive (average of $157). 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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$184Average$423FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$284Average$398FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$340Average$459FlexibilityNo cancel feeOn-time69%

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