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Biloxi

$184+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MSY
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/215:49 amORD - GPT
1 stop7h 33mUnited Airlines
Mon 12/295:15 pmGPT - ORD
1 stop6h 59mUnited Airlines
Deal found 12/13$319
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Tue 12/236:00 amSTL - GPT
1 stop7h 22mUnited Airlines
Fri 12/265:15 pmGPT - STL
1 stop4h 40mUnited Airlines
Deal found 12/14$339
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Tue 12/234:00 pmORD - GPT
1 stop5h 37mUnited Airlines
Mon 1/55:15 pmGPT - ORD
1 stop6h 58mUnited Airlines
Deal found 12/13$351
This Delta deal was found by Cheapflights users on 12/15. 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.
Thu 12/185:30 amORD - GPT
1 stop4h 20mDelta
Tue 12/235:21 pmGPT - ORD
1 stop6h 41mDelta
Deal found 12/15$354
This American Airlines deal was found by Cheapflights users on 12/14. 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 12/255:00 amORD - GPT
1 stop7h 01mAmerican Airlines
Mon 12/295:58 pmGPT - ORD
1 stop5h 17mAmerican Airlines
Deal found 12/14$356
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/305:00 amSTL - GPT
1 stop7h 01mAmerican Airlines
Sat 1/35:19 amGPT - STL
1 stop5h 31mAmerican Airlines
Deal found 12/15$359
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Mon 12/1511:35 amSTL - GPT
1 stop6h 08mAmerican Airlines
Fri 1/25:58 pmGPT - STL
1 stop4h 58mAmerican Airlines
Deal found 12/13$364
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Tue 12/235:49 amORD - GPT
1 stop7h 33mUnited Airlines
Mon 12/295:15 pmGPT - ORD
1 stop6h 59mUnited Airlines
Deal found 12/14$400
This American Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/248:03 amORD - GPT
1 stop8h 11mAmerican Airlines
Fri 12/2612:35 pmGPT - ORD
1 stop6h 47mAmerican Airlines
Deal found 12/14$407
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Sun 12/144:45 pmSTL - GPT
1 stop4h 37mUnited Airlines
Sun 1/115:13 pmGPT - STL
1 stop4h 47mUnited Airlines
Deal found 12/14$424
This Delta deal was found by Cheapflights users on 12/15. 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.
Thu 12/184:20 pmORD - GPT
1 stop5h 43mDelta
Sun 12/212:06 pmGPT - ORD
1 stop4h 53mDelta
Deal found 12/15$434
This American Airlines deal was found by Cheapflights users on 12/14. 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.
Sun 12/143:22 pmSTL - GPT
2 stops8h 31mAmerican Airlines
Sun 1/115:29 pmGPT - STL
1 stop5h 43mAmerican Airlines
Deal found 12/14$463

Find flight deals from Illinois to Biloxi

Keep the following information in mind while searching for Illinois to Biloxi flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$239
(Delta)

One-way from

$184
(American Airlines)

Popular in

February

Cheapest in

August

Average price

$427
Provider with most accurate pricing for Chicago (CHI)-Gulfport Biloxi Regional flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Gulfport Biloxi Regional flights.
Search Deals
From Illinois to Biloxi
Search Deals
One-way flight from Illinois to Biloxi
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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

Sat 1/10

3:54 pm-11:08 pm

1 stop7h 14m

Gulfport Biloxi Regional

Sat 1/17

5:31 am-11:03 am

1 stop5h 32m

$239

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Sat 1/10

5:00 pm-9:53 pm

1 stop4h 53m

Gulfport Biloxi Regional

Sat 1/17

10:21 am-2:49 pm

1 stop4h 28m

$239

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Sun 1/18

5:20 pm-11:33 pm

1 stop6h 13m

Gulfport Biloxi Regional

Tue 1/20

5:31 am-11:03 am

1 stop5h 32m

$249

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Mon 1/12

7:35 am-3:58 pm

1 stop8h 23m

Gulfport Biloxi Regional

Mon 1/19

5:13 pm-12:28 am

1 stop7h 15m

$269

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Sun 1/11

3:54 pm-10:41 pm

1 stop6h 47m

Gulfport Biloxi Regional

Sun 1/18

5:31 am-11:03 am

1 stop5h 32m

$269

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Thu 1/8

5:04 pm-11:33 pm

1 stop6h 29m

Gulfport Biloxi Regional

Mon 1/12

5:29 pm-11:12 pm

1 stop5h 43m

$269

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Sat 2/28

5:55 pm-10:57 pm

1 stop5h 02m

Gulfport Biloxi Regional

Tue 3/3

10:46 am-5:05 pm

1 stop6h 19m

$269

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Sat 1/10

6:55 pm-11:59 pm

1 stop5h 04m

Gulfport Biloxi Regional

Thu 1/15

6:32 am-1:22 pm

1 stop6h 50m

$269

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Sat 2/28

7:41 am-4:01 pm

2 stops8h 20m

Gulfport Biloxi Regional

Tue 3/3

4:55 pm-10:14 pm

1 stop5h 19m

$274

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Tue 1/27

8:05 am-7:48 pm

2 stops11h 43m

Gulfport Biloxi Regional

Sat 1/31

5:13 pm-10:00 pm

1 stop4h 47m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 40 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, June is the cheapest month in which you can book a flight from Illinois to Biloxi (average of $80). Flying from Illinois to Biloxi in July is currently the most expensive (average of $133). 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 December 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Biloxi in the afternoon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Illinois to Biloxi?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Biloxi. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Biloxi flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 $239, American Airlines can have you in Biloxi from Illinois in 4h 53m. 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 Lambert-St Louis - Gulfport Biloxi Regional. You may also consider Chicago O'Hare Intl - Gulfport Biloxi Regional or Chicago Midway - 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 Sun Country Air (100%), Envoy Air (94%) or Qantas Airways (88%) 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 $506, our data shows the cheapest flight currently is $78. When looking at the most popular route, (Lambert-St Louis - Gulfport Biloxi Regional), you can expect to pay $274 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, June is the cheapest month in which you can book a flight from Illinois to Biloxi (average of $80). Flying from Illinois to Biloxi in July is currently the most expensive (average of $133). 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

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Top 7 airlines flying from Illinois to Biloxi

Discover the top 7 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$77Average$200FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$82Average$173FlexibilityNo cancel feeOn-time88%
DeltaCheapest$98Average$347FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$119Average$129FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$168Average$385FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$168Average$383FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$169Average$398FlexibilityNo cancel feeOn-time71%

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