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$309+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
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Cheap 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 February 9, 2026.

This United Airlines deal was found by Cheapflights users on 2/9. 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.
Thu 3/54:55 pm
GPT
-
ONT
1 stop7h 41m
United Airlines
Tue 3/106:00 am
ONT
-
GPT
1 stop5h 25m
United Airlines
Deal found 2/9$309
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:02 pm
GPT
-
ONT
1 stop10h 22m
American Airlines
Tue 3/109:53 am
ONT
-
GPT
2 stops11h 56m
American Airlines
Deal found 2/9$314
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:40 am
GPT
-
ONT
1 stop7h 57m
Multiple Airlines
Sun 3/86:15 am
ONT
-
GPT
2 stops24h 45m
Multiple Airlines
Deal found 2/6$375
This United Airlines deal was found by Cheapflights users on 2/6. 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 6/35:15 pm
GPT
-
ONT
1 stop6h 25m
United Airlines
Mon 6/85:55 am
ONT
-
GPT
1 stop8h 07m
United Airlines
Deal found 2/6$376
This Delta deal was found by Cheapflights users on 2/7. 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 3/116:00 am
GPT
-
ONT
1 stop7h 47m
Delta
Mon 3/1610:25 pm
ONT
-
GPT
1 stop8h 25m
Delta
Deal found 2/7$379
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:40 am
GPT
-
ONT
1 stop12h 24m
Multiple Airlines
Fri 5/85:33 pm
ONT
-
GPT
2 stops47h 37m
Multiple Airlines
Deal found 2/7$381
This United Airlines deal was found by Cheapflights users on 2/6. 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 6/45:15 pm
GPT
-
ONT
1 stop6h 25m
United Airlines
Mon 6/85:55 am
ONT
-
GPT
1 stop8h 07m
United Airlines
Deal found 2/6$399
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Mon 2/234:55 pm
GPT
-
ONT
1 stop7h 05m
United Airlines
Sat 2/286:00 am
ONT
-
GPT
1 stop5h 20m
United Airlines
Deal found 2/5$424
This Delta deal was found by Cheapflights users on 2/5. 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.
Thu 9/172:15 pm
GPT
-
ONT
1 stop9h 41m
Delta
Sun 9/2010:59 pm
ONT
-
GPT
1 stop8h 36m
Delta
Deal found 2/5$453

Find flight deals from Biloxi to Ontario

Keep the following information in mind while searching for Biloxi to Ontario flight deals. Data was last updated February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

Popular in

December

Cheapest in

August

Average price

$462
Provider with most accurate pricing for Gulfport Biloxi Regional-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Gulfport Biloxi Regional-Los Angeles flights.
Search Deals
From Biloxi to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 9, 2026.
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

Thu 3/5

4:55 pm-10:36 pm

1 stop7h 41m

Ontario

Tue 3/10

6:00 am-1:25 pm

1 stop5h 25m

$309

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Wed 3/11

2:44 pm-11:51 pm

2 stops11h 07m

Ontario

Mon 3/16

10:25 pm-8:50 am

1 stop8h 25m

$314

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Thu 3/5

1:02 pm-9:24 pm

1 stop10h 22m

Ontario

Tue 3/10

9:53 am-11:49 pm

2 stops11h 56m

$314

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Mon 5/4

9:40 am-8:04 pm

1 stop12h 24m

Ontario

Fri 5/8

5:33 pm-7:10 pm

2 stops47h 37m

$381

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Mon 2/23

4:55 pm-10:00 pm

1 stop7h 05m

Ontario

Sat 2/28

6:00 am-1:20 pm

1 stop5h 20m

$424

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Wed 6/3

9:10 am-5:18 pm

2 stops10h 08m

Ontario

Mon 6/8

5:55 am-4:02 pm

1 stop8h 07m

$427

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 3/6

9:40 am-3:37 pm

1 stop7h 57m

Ontario

Sun 3/8

2:06 pm-6:14 pm

1 stop26h 08m

$432

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Mon 5/4

4:55 pm-9:58 pm

1 stop7h 03m

Ontario

Fri 5/8

6:00 am-4:13 pm

1 stop8h 13m

$531

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Mon 5/4

5:00 am-7:05 pm

2 stops16h 05m

Ontario

Sat 5/9

3:26 pm-10:40 am

2 stops17h 14m

$583

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Mon 5/4

5:00 am-7:05 pm

2 stops16h 05m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 11 results
1
2

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.

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 February 9, 2026.
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
9,257 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

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
9,257 reviews
United Airlines
7.4
Good
9,257 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

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
11,254 reviews
United Airlines
7.4
Good
9,257 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

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 7h 41m. Fly via United Airlines, Delta, or American 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, 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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$184Average$425FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$284Average$366FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$340Average$459FlexibilityNo cancel feeOn-time69%

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