HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Biloxi

$199+ Cheap flights from Ontario (ONT) to Biloxi, MS

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Biloxi 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 Ontario to Biloxi

Keep the following information in mind while searching for Ontario to Biloxi flight deals. Data was last updated June 12, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$199
(Delta)

Popular in

August

Cheapest in

July

Average price

$508
From Ontario to Biloxi
Search Deals
One-way flight from Ontario to Biloxi
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 7/112:40 pmONT - GPT
1 stop6h 20mAmerican Airlines
Wed 7/237:49 pmGPT - ONT
1 stop6h 05mAmerican Airlines
Deal found 6/10$289
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/56:00 amONT - GPT
1 stop5h 28mUnited Airlines
Tue 8/125:25 pmGPT - ONT
1 stop6h 12mUnited Airlines
Deal found 6/11$379
This Delta deal was found by Cheapflights users on 6/10. 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 6/1911:49 amONT - GPT
1 stop8h 09mDelta
Sun 6/222:06 pmGPT - ONT
1 stop7h 48mDelta
Deal found 6/10$674
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/126:10 pmONT - GPT
2 stops14h 09mAlaska Airlines
Sat 7/1910:54 amGPT - ONT
2 stops15h 19mAlaska Airlines
Deal found 6/12$841

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 June 12, 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

Fri 7/11

2:40 pm-11:00 pm

1 stop6h 20m

Gulfport Biloxi Regional

Wed 7/23

7:49 pm-11:54 pm

1 stop6h 05m

$289

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Tue 8/5

6:00 am-1:28 pm

1 stop5h 28m

Gulfport Biloxi Regional

Tue 8/12

5:25 pm-9:37 pm

1 stop6h 12m

$379

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Sat 7/12

6:10 pm-10:19 am

2 stops14h 09m

Gulfport Biloxi Regional

Sat 7/19

10:54 am-12:13 am

2 stops15h 19m

$841

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Thu 8/21

11:45 am-9:38 pm

1 stop7h 53m

$199

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Tue 7/8

6:00 am-4:14 pm

1 stop8h 14m

$285

OntarioGulfport

ONT - GPT

ONTGPT

Ontario

Mon 6/23

12:59 am-10:20 am

1 stop7h 21m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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 $256). Flying from Ontario to Biloxi in April is currently the most expensive (average of $343). 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 June 12, 2025.

When flying from Ontario to Biloxi, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Biloxi by month

Plan your trip to Biloxi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Biloxi ranges from 3.6 - 7.2 inches per month. July is typically the wettest month, when rainfall can reach 7.2 in. October is typically the driest time to visit Biloxi when rainfall is around 3.6 in.

Temperature in Biloxi by month

Plan your trip to Biloxi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Biloxi, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Ontario to Biloxi have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 5 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.

  • What are the cheapest airlines to fly from Ontario to Biloxi one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $199. Users have also found prices from $285 and $309 on United Airlines and American Airlines, respectively.

  • 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 $256). Flying from Ontario to Biloxi in April is currently the most expensive (average of $343). 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 Ontario to Biloxi

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Memphis flights
Ontario to Memphis flights
Los Angeles to Baton Rouge flights
Las Vegas to Memphis flights
Santa Ana to Memphis flights
Burbank to Memphis flights
Los Angeles to Mobile flights
Sacramento to Memphis flights
Los Angeles to Jackson flights
Las Vegas to Jackson flights
San Jose to Memphis flights
San Francisco to Jackson flights
Ontario to Jackson flights
San Francisco to Baton Rouge flights
Oakland to Memphis flights
Santa Ana to Baton Rouge flights
Ontario to Mobile flights
San Francisco to Memphis flights
Long Beach to Memphis flights
Sacramento to Jackson flights
Las Vegas to Gulfport flights
San Diego to Memphis flights
Los Angeles to Gulfport flights
Sacramento to Baton Rouge flights
Ontario to Baton Rouge flights
San Diego to Mobile flights
Santa Ana to Alexandria flights
Palm Springs to Jackson flights
San Jose to Baton Rouge flights
Ontario to Alexandria flights
San Jose to Gulfport flights
San Diego to Jackson flights
Monterey to Memphis flights
Fresno to Memphis flights
Santa Ana to Jackson flights
Sacramento to Gulfport flights
San Francisco to Gulfport flights
San Diego to Gulfport flights
Ontario to Gulfport flights
Las Vegas to Baton Rouge flights
San Diego to Baton Rouge flights
Las Vegas to Mobile flights
Los Angeles to Laurel flights
Long Beach to Jackson flights
Sacramento to Mobile flights
Los Angeles to Alexandria flights
Palm Springs to Memphis flights
Reno to Mobile flights
Burbank to Baton Rouge flights
San Francisco to Mobile flights

Top 5 airlines flying from Ontario to Biloxi

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$114Average$222FlexibilityNo cancel feeOn-time65%
DeltaCheapest$144Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$457FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$272Average$474FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$324Average$463FlexibilityNo cancel feeOn-time63%

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.