HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$309
(Delta)

Popular in

December

Cheapest in

August

Average price

$449
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. 9% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 15, 2026.

This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/272:54 pm
GPT
-
ONT
1 stop8h 11m
Delta
Mon 3/210:20 pm
ONT
-
GPT
1 stop9h 04m
Delta
Deal found 1/14$309
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 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 1/13$373
This Delta deal was found by Cheapflights users on 1/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/62:54 pm
GPT
-
ONT
1 stop8h 11m
Delta
Sun 3/810:25 pm
ONT
-
GPT
1 stop8h 38m
Delta
Deal found 1/13$392
This United Airlines deal was found by Cheapflights users on 1/15. 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 2/55:13 pm
GPT
-
ONT
1 stop6h 45m
United Airlines
Sun 2/86:00 am
ONT
-
GPT
1 stop5h 22m
United Airlines
Deal found 1/15$399
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Sun 2/86:33 pm
GPT
-
ONT
1 stop6h 15m
American Airlines
Tue 2/103:09 pm
ONT
-
GPT
1 stop6h 24m
American Airlines
Deal found 1/15$421
This American Airlines deal was found by Cheapflights users on 1/14. 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 2/271:02 pm
GPT
-
ONT
2 stops11h 05m
American Airlines
Mon 3/211:58 pm
ONT
-
GPT
2 stops10h 05m
American Airlines
Deal found 1/14$477
This American Airlines deal was found by Cheapflights users on 1/13. 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.
Fri 3/67:35 pm
GPT
-
ONT
2 stops15h 13m
American Airlines
Sun 3/811:58 pm
ONT
-
GPT
2 stops10h 36m
American Airlines
Deal found 1/13$494
This United Airlines deal was found by Cheapflights users on 1/15. 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 4/74:26 pm
GPT
-
ONT
1 stop7h 24m
United Airlines
Sun 4/196:00 am
ONT
-
GPT
1 stop8h 13m
United Airlines
Deal found 1/15$539
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Thu 2/55:13 pm
GPT
-
ONT
1 stop6h 45m
United Airlines
Sat 2/76:00 am
ONT
-
GPT
1 stop5h 22m
United Airlines
Deal found 1/14$543

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 January 15, 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

Fri 2/27

2:54 pm-9:05 pm

1 stop8h 11m

Ontario

Mon 3/2

10:20 pm-9:24 am

1 stop9h 04m

$309

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 3/6

2:54 pm-9:05 pm

1 stop8h 11m

Ontario

Sun 3/8

10:25 pm-9:03 am

1 stop8h 38m

$392

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Thu 2/5

5:13 pm-9:58 pm

1 stop6h 45m

Ontario

Sun 2/8

6:00 am-1:22 pm

1 stop5h 22m

$399

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Sun 2/8

6:33 pm-10:48 pm

1 stop6h 15m

Ontario

Tue 2/10

3:09 pm-11:33 pm

1 stop6h 24m

$421

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 2/27

1:02 pm-10:07 pm

2 stops11h 05m

Ontario

Mon 3/2

11:58 pm-12:03 pm

2 stops10h 05m

$477

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 3/6

7:35 pm-8:48 am

2 stops15h 13m

Ontario

Sun 3/8

11:58 pm-12:34 pm

2 stops10h 36m

$494

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Tue 4/7

4:26 pm-9:50 pm

1 stop7h 24m

Ontario

Sun 4/19

6:00 am-4:13 pm

1 stop8h 13m

$539

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Thu 2/5

5:13 pm-9:58 pm

1 stop6h 45m

Ontario

Sat 2/7

6:00 am-1:22 pm

1 stop5h 22m

$543

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Thu 1/29

2:40 pm-9:05 pm

1 stop8h 25m

$329

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Tue 2/10

7:00 am-5:43 pm

2 stops12h 43m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

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 $160). 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.

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

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 January 15, 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
9,164 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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
9,164 reviews
United Airlines
7.4
Good
9,164 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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
11,136 reviews
United Airlines
7.4
Good
9,164 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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 15m. Fly via Delta, United Airlines, 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 $160). 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
Memphis to Ontario flights
Baton Rouge to Las Vegas flights
Jackson to Las Vegas flights
Memphis to San Diego flights
Mobile to Las Vegas flights
Mobile to San Francisco flights
Memphis to San Francisco flights
Gulfport to Las Vegas flights
Mobile to Los Angeles flights
Memphis to Santa Ana flights
Mobile to Ontario flights
Memphis to Palm Springs flights
Mobile to Santa Ana flights
Memphis to Long Beach flights
Memphis to Sacramento flights
Baton Rouge to Los Angeles flights
Jackson to Los Angeles flights
Memphis to Reno flights
Memphis to Burbank flights
Gulfport to San Francisco flights
Jackson to San Diego flights
Mobile to San Jose flights
Mobile to San Diego flights
Gulfport to Ontario flights
Columbus to Las Vegas flights
Alexandria to Las Vegas flights
Jackson to San Francisco flights
Memphis to San Jose flights
Jackson to Ontario flights
Baton Rouge to San Francisco flights
Gulfport to Santa Ana flights
Gulfport to Los Angeles flights
Baton Rouge to Ontario flights
Baton Rouge to Sacramento flights
Baton Rouge to Santa Ana flights
Gulfport to Sacramento flights
Baton Rouge to Palm Springs flights
Baton Rouge to Reno flights
Baton Rouge to San Diego flights
Meridian to Las Vegas flights
Memphis to Oakland flights
Baton Rouge to San Jose flights
Mobile to Reno flights
Gulfport to San Jose flights
Gulfport to San Diego flights
Memphis to Fresno flights
Laurel to San Diego flights
Memphis to Santa Barbara 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$184Average$414FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$284Average$366FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$340Average$459FlexibilityNo cancel feeOn-time69%

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.