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Biloxi

$121+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MSY
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

This American Airlines deal was found by Cheapflights users on 11/24. 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 12/1710:13 amSTL - GPT
1 stop6h 49mAmerican Airlines
Mon 12/225:14 amGPT - STL
1 stop5h 36mAmerican Airlines
Deal found 11/24$249
This Delta deal was found by Cheapflights users on 11/24. 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 12/189:49 amORD - GPT
1 stop4h 19mDelta
Thu 12/255:21 pmGPT - ORD
1 stop6h 41mDelta
Deal found 11/24$249
This Delta deal was found by Cheapflights users on 11/23. 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 12/135:12 pmSTL - GPT
1 stop4h 51mDelta
Wed 12/172:53 pmGPT - STL
1 stop7h 04mDelta
Deal found 11/23$264
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Sat 12/135:34 pmORD - GPT
1 stop6h 19mAmerican Airlines
Mon 12/156:13 pmGPT - ORD
1 stop5h 22mAmerican Airlines
Deal found 11/24$264
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
Thu 12/1112:09 pmORD - GPT
1 stop7h 06mMultiple Airlines
Mon 12/156:51 pmGPT - ORD
2 stops20h 21mMultiple Airlines
Deal found 11/26$276
This Delta deal was found by Cheapflights users on 11/24. 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 12/1011:40 amSTL - GPT
1 stop5h 36mDelta
Sat 12/136:00 amGPT - STL
1 stop4h 24mDelta
Deal found 11/24$279
This Delta deal was found by Cheapflights users on 11/25. 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 12/115:30 amORD - GPT
1 stop4h 20mDelta
Mon 12/156:01 pmGPT - ORD
1 stop6h 00mDelta
Deal found 11/25$279
This Delta deal was found by Cheapflights users on 11/24. 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 12/134:29 pmMDW - GPT
1 stop5h 34mDelta
Mon 12/156:01 pmGPT - MDW
1 stop5h 46mDelta
Deal found 11/24$304
This United Airlines deal was found by Cheapflights users on 11/25. 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 12/36:15 amSTL - GPT
1 stop7h 05mUnited Airlines
Tue 12/95:11 pmGPT - STL
1 stop4h 47mUnited Airlines
Deal found 11/25$309
This Delta deal was found by Cheapflights users on 11/24. 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 12/64:29 pmMDW - GPT
1 stop5h 34mDelta
Tue 12/96:01 pmGPT - MDW
1 stop5h 46mDelta
Deal found 11/24$309
This Delta deal was found by Cheapflights users on 11/24. 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 12/64:20 pmORD - GPT
1 stop5h 43mDelta
Tue 12/96:00 amGPT - ORD
1 stop4h 14mDelta
Deal found 11/24$309
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
Wed 12/2412:39 pmORD - GPT
2 stops30h 31mMultiple Airlines
Mon 12/296:51 pmGPT - ORD
1 stop13h 30mMultiple Airlines
Deal found 11/24$315

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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$177
(Kiwi.com)

One-way from

$121
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$461
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. 18% potential increase in price ($99 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 November 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 November 26, 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

ChicagoGulfport

MDW - GPT

MDWGPT

Chicago Midway

Wed 1/7

5:31 pm-9:53 pm

1 stop4h 22m

Gulfport Biloxi Regional

Sat 1/10

6:05 am-10:32 am

1 stop4h 27m

$249

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Wed 1/7

10:35 am-3:58 pm

1 stop5h 23m

Gulfport Biloxi Regional

Sat 1/10

5:13 pm-12:28 am

1 stop7h 15m

$249

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Sat 1/17

9:59 am-3:09 pm

1 stop5h 10m

Gulfport Biloxi Regional

Wed 1/21

3:00 pm-8:37 pm

1 stop5h 37m

$249

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Wed 4/8

8:53 am-4:02 pm

1 stop7h 09m

Gulfport Biloxi Regional

Mon 4/13

2:00 pm-9:36 pm

1 stop7h 36m

$249

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Wed 1/7

2:50 pm-9:53 pm

1 stop7h 03m

Gulfport Biloxi Regional

Sat 1/10

6:05 am-1:39 pm

1 stop7h 34m

$249

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Sat 1/17

11:55 am-11:08 pm

2 stops11h 13m

Gulfport Biloxi Regional

Wed 1/21

1:45 pm-6:34 pm

1 stop4h 49m

$254

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Wed 1/7

5:46 pm-10:41 pm

1 stop4h 55m

Gulfport Biloxi Regional

Sat 1/10

1:45 pm-10:16 pm

2 stops8h 31m

$254

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Thu 12/25

5:00 am-12:01 pm

1 stop7h 01m

Gulfport Biloxi Regional

Thu 1/1

5:58 pm-10:56 pm

1 stop4h 58m

$264

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Sat 12/13

5:12 pm-10:03 pm

1 stop4h 51m

Gulfport Biloxi Regional

Wed 12/17

2:53 pm-9:57 pm

1 stop7h 04m

$264

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Wed 12/10

11:40 am-5:16 pm

1 stop5h 36m

Gulfport Biloxi Regional

Sat 12/13

6:00 am-10:24 am

1 stop4h 24m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 43 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 December is currently the most expensive (average of $158). 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 November 26, 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 15% 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.

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

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, Delta can have you in Biloxi from Illinois in 4h 22m. There are 789 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 Sun Country Air (100%), Envoy Air (94%) or Spirit Airlines (94%) 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 $403, our data shows the cheapest flight currently is $49. When looking at the most popular route, (Chicago O'Hare Intl - Gulfport Biloxi Regional), you can expect to pay $249 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 December is currently the most expensive (average of $158). 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 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$67Average$239FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$78Average$200FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$86Average$179FlexibilityNo cancel feeOn-time88%
DeltaCheapest$98Average$362FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$161Average$402FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$168Average$408FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$168Average$383FlexibilityNo cancel feeOn-time63%

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