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$189+ Cheap flights from Biloxi, MS to Ontario (ONT)

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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$314
(United Airlines)

One-way from

$189
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$518
From Biloxi to Ontario
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One-way flight from Biloxi to Ontario
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Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:25 pmGPT - ONT
1 stop6h 12mUnited Airlines
Sat 7/56:00 amONT - GPT
1 stop8h 14mUnited Airlines
Deal found 6/12$314
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/112:44 pmGPT - ONT
2 stops10h 54mAmerican Airlines
Sat 7/512:55 pmONT - GPT
2 stops8h 05mAmerican Airlines
Deal found 6/12$442
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/96:07 amGPT - ONT
1 stop6h 33mDelta
Sun 7/1311:40 amONT - GPT
1 stop8h 23mDelta
Deal found 6/12$590
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1310:53 amGPT - ONT
2 stops15h 20mAlaska Airlines
Thu 7/176:58 pmONT - GPT
2 stops13h 21mAlaska Airlines
Deal found 6/10$935

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 June 12, 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 7/1

5:25 pm-9:37 pm

1 stop6h 12m

Ontario

Sat 7/5

6:00 am-4:14 pm

1 stop8h 14m

$314

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Tue 7/1

12:44 pm-9:38 pm

2 stops10h 54m

Ontario

Sat 7/5

12:55 pm-11:00 pm

2 stops8h 05m

$442

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Wed 7/9

6:07 am-10:40 am

1 stop6h 33m

Ontario

Sun 7/13

11:40 am-10:03 pm

1 stop8h 23m

$590

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Sun 7/13

10:53 am-12:13 am

2 stops15h 20m

Ontario

Thu 7/17

6:58 pm-10:19 am

2 stops13h 21m

$935

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Mon 6/30

7:43 pm-11:59 pm

1 stop6h 16m

$189

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 8/15

5:25 pm-9:37 pm

1 stop6h 12m

$279

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Sat 7/5

6:00 am-10:38 am

1 stop6h 38m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, August is the cheapest month in which you can book a flight from Biloxi to Ontario (average of $246). Flying from Biloxi to Ontario in March is currently the most expensive (average of $328). 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Biloxi to Ontario as you normally would.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Biloxi to Ontario, such as Alaska Airlines, Delta and United Airlines. 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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 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. 6 airlines have flights to Ontario from Biloxi on a regular basis.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $189. United Airlines flights start at $279 while deals on Delta start at $280 one-way.

  • 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, August is the cheapest month in which you can book a flight from Biloxi to Ontario (average of $246). Flying from Biloxi to Ontario in March is currently the most expensive (average of $328). 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 Biloxi to Ontario

Discover the top 6 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$120Average$217FlexibilityNo cancel feeOn-time65%
FrontierCheapest$160Average$259FlexibilityNo cancel feeOn-time62%
DeltaCheapest$288Average$422FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$416FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$294Average$414FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$369Average$398FlexibilityNo cancel feeOn-time69%

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