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Biloxi

$123+ Cheap flights from Illinois 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MSY
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Illinois to Biloxi

Keep the following information in mind while searching for Illinois to Biloxi flight deals. Data was last updated September 16, 2025.

Round-trip from

$227
(Kiwi.com)

One-way from

$123
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$358
From Illinois to Biloxi
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One-way flight from Illinois to Biloxi
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Highest demand for flights based on searches. 12% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Illinois to Biloxi

Cheapest flights from Illinois to Biloxi
Explore the most affordable flight options available from Illinois to Biloxi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 10/146:15 amSTL - GPT
1 stop7h 10mUnited Airlines
Tue 10/215:25 pmGPT - STL
1 stop4h 35mUnited Airlines
Deal found 9/15$249
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 11/205:18 amORD - GPT
1 stop6h 21mAmerican Airlines
Sun 11/234:54 pmGPT - ORD
1 stop7h 02mAmerican Airlines
Deal found 9/14$249
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/141:28 pmSTL - GPT
2 stops9h 18mAmerican Airlines
Tue 10/216:26 pmGPT - STL
1 stop4h 52mAmerican Airlines
Deal found 9/15$254
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/306:15 amSTL - GPT
1 stop7h 10mUnited Airlines
Sat 10/45:25 pmGPT - STL
1 stop4h 33mUnited Airlines
Deal found 9/15$259
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:10 amORD - GPT
1 stop6h 15mUnited Airlines
Tue 9/302:00 pmGPT - ORD
1 stop7h 36mUnited Airlines
Deal found 9/13$259
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 10/145:20 amORD - GPT
1 stop3h 56mDelta
Fri 10/246:05 pmGPT - ORD
1 stop5h 53mDelta
Deal found 9/14$279
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 9/248:20 amSTL - GPT
1 stop5h 53mUnited Airlines
Tue 9/305:25 pmGPT - STL
1 stop4h 35mUnited Airlines
Deal found 9/15$284
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/274:25 pmMDW - GPT
1 stop5h 14mDelta
Tue 9/306:08 amGPT - MDW
1 stop5h 40mDelta
Deal found 9/15$284
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 9/247:00 amORD - GPT
1 stop7h 13mUnited Airlines
Tue 9/302:00 pmGPT - ORD
1 stop7h 36mUnited Airlines
Deal found 9/15$284
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 10/145:20 amORD - GPT
1 stop3h 56mDelta
Wed 10/226:05 pmGPT - ORD
2 stops13h 45mDelta
Deal found 9/14$287
This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 9/274:25 pmMDW - GPT
1 stop5h 14mDelta
Wed 10/16:08 amGPT - MDW
1 stop5h 40mDelta
Deal found 9/13$299
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/273:45 pmORD - GPT
1 stop5h 54mDelta
Wed 10/16:04 pmGPT - ORD
1 stop4h 10mDelta
Deal found 9/15$299

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 September 16, 2025.
Use the filters below to find and compare flights from Illinois to Biloxi that are best for you.

Fly from

Illinois

Fly to

Biloxi

Route

Depart

Return

Price

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Tue 10/14

6:15 am-1:25 pm

1 stop7h 10m

Gulfport Biloxi Regional

Tue 10/21

5:25 pm-10:00 pm

1 stop4h 35m

$249

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Wed 2/18

10:00 am-1:37 pm

1 stop3h 37m

Gulfport Biloxi Regional

Sat 2/21

3:00 pm-7:14 pm

1 stop4h 14m

$249

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Thu 11/20

8:20 am-4:24 pm

1 stop8h 04m

Gulfport Biloxi Regional

Sun 11/23

4:54 pm-11:56 pm

1 stop7h 02m

$249

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Tue 9/30

6:15 am-1:25 pm

1 stop7h 10m

Gulfport Biloxi Regional

Sat 10/4

5:25 pm-9:58 pm

1 stop4h 33m

$259

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Wed 2/18

6:04 am-5:33 pm

2 stops11h 29m

Gulfport Biloxi Regional

Sat 2/21

12:46 pm-5:13 pm

1 stop4h 27m

$274

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Tue 10/14

5:20 am-9:16 am

1 stop3h 56m

Gulfport Biloxi Regional

Sat 10/18

10:03 am-5:00 pm

1 stop6h 57m

$279

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Tue 10/14

5:20 am-9:16 am

1 stop3h 56m

Gulfport Biloxi Regional

Fri 10/24

6:05 pm-11:58 pm

1 stop5h 53m

$279

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Fri 9/26

5:18 am-11:42 am

1 stop6h 24m

Gulfport Biloxi Regional

Sun 9/28

12:12 pm-7:33 pm

1 stop7h 21m

$284

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Wed 9/24

7:00 am-2:13 pm

1 stop7h 13m

Gulfport Biloxi Regional

Tue 9/30

2:00 pm-9:36 pm

1 stop7h 36m

$284

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Tue 10/14

1:28 pm-10:46 pm

2 stops9h 18m

Gulfport Biloxi Regional

Tue 10/21

1:55 pm-10:55 pm

2 stops9h 00m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 45 results
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Best time to book a flight from Illinois to Biloxi

Have a flexible travel schedule? Discover the best time to fly to Biloxi from Illinois 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 Illinois to Biloxi

What is the cheapest month to book a flight from Illinois to Biloxi?

Currently, August is the cheapest month in which you can book a flight from Illinois to Biloxi (average of $256). Flying from Illinois 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 IL to B1L?

Find hourly flight availability from Illinois 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 September 16, 2025.

When flying from Illinois 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.

Weekly flight availability from Illinois to Biloxi

Explore weekly flight availability from Illinois to Biloxi. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 16, 2025.

The most flights from USIL to B1L are scheduled on a Monday (27 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (20 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Biloxi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Biloxi?

    For as low as $249, United Airlines can have you in Biloxi from Illinois in 3h 37m. There are 581 mi between Illinois and Biloxi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Illinois to Biloxi?

    The most popular route from Illinois to Biloxi is Chicago O'Hare Intl - Gulfport Biloxi Regional. You may also consider Chicago Midway - Gulfport Biloxi Regional or Lambert-St Louis - Gulfport Biloxi Regional.

  • What are the most reliable airlines from Illinois to Biloxi?

    No one likes to see their flight delayed. When booking a flight from Illinois to Biloxi consider choosing Envoy Air (85%), Republic Airways (83%) or Qantas Airways (83%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Illinois to Biloxi?

    While on average a flight from Illinois to Biloxi is generally $406, our data shows the cheapest flight currently is $55. When looking at the most popular route, (Chicago O'Hare Intl - Gulfport Biloxi Regional), you can expect to pay $284 for that flight.

  • Can I find deals for flights from Illinois to Biloxi that include hotel bookings?

    Yes. In addition to deals on Illinois to Biloxi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Biloxi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Biloxi.

  • Can I find deals for business class flights from Illinois to Biloxi?

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Biloxi?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Biloxi (average of $256). Flying from Illinois 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

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Alternative routes for Illinois to Biloxi

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Illinois to Biloxi

Discover the top 6 airlines that operate flights from Illinois 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$200FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$77Average$203FlexibilityNo cancel feeOn-time65%
DeltaCheapest$158Average$385FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$159Average$411FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$168Average$389FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$183Average$463FlexibilityNo cancel feeOn-time69%

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