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Biloxi

$134+ 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MSY
Dec 23 — Dec 301
Tue 12/23
Tue 12/30
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 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Sun 12/78:45 amORD - GPT
1 stop24h 14mMultiple Airlines
Mon 12/156:51 pmGPT - ORD
2 stops29h 18mMultiple Airlines
Deal found 11/20$241
This Delta deal was found by Cheapflights users on 11/21. 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 12/186:45 amORD - GPT
1 stop7h 23mDelta
Thu 12/256:00 amGPT - ORD
1 stop6h 12mDelta
Deal found 11/21$249
This Delta deal was found by Cheapflights users on 11/20. 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.
Sun 12/75:30 amORD - GPT
1 stop4h 20mDelta
Mon 12/156:01 pmGPT - ORD
1 stop6h 00mDelta
Deal found 11/20$264
This Delta deal was found by Cheapflights users on 11/20. 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 12/136:00 amSTL - GPT
1 stop3h 50mDelta
Tue 12/162:53 pmGPT - STL
1 stop7h 04mDelta
Deal found 11/20$274
This Delta deal was found by Cheapflights users on 11/21. 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 12/134:20 pmORD - GPT
1 stop5h 43mDelta
Wed 12/245:21 pmGPT - ORD
1 stop6h 41mDelta
Deal found 11/21$274
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/57:05 amSTL - GPT
1 stop7h 03mDelta
Mon 12/82:53 pmGPT - STL
1 stop6h 09mDelta
Deal found 11/20$279
This Kiwi.com deal was found by Cheapflights users on 11/21. 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.
Sat 12/132:26 pmORD - GPT
1 stop28h 49mMultiple Airlines
Tue 12/3010:05 amGPT - ORD
2 stops32h 28mMultiple Airlines
Deal found 11/21$279
This Kiwi.com deal was found by Cheapflights users on 11/22. 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.
Sun 12/712:09 pmORD - GPT
1 stop7h 06mMultiple Airlines
Thu 12/117:55 pmGPT - ORD
1 stop18h 26mMultiple Airlines
Deal found 11/22$283
This United Airlines deal was found by Cheapflights users on 11/21. 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 12/61:00 pmSTL - GPT
2 stops8h 22mUnited Airlines
Wed 12/105:11 pmGPT - STL
1 stop4h 47mUnited Airlines
Deal found 11/21$284
This American Airlines deal was found by Cheapflights users on 11/21. 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 12/61:59 pmSTL - GPT
2 stops9h 54mAmerican Airlines
Wed 12/106:40 amGPT - STL
2 stops10h 19mAmerican Airlines
Deal found 11/21$289
This United Airlines deal was found by Cheapflights users on 11/21. 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 12/1010:35 amORD - GPT
1 stop5h 27mUnited Airlines
Sat 12/275:15 pmGPT - ORD
1 stop6h 59mUnited Airlines
Deal found 11/21$293
This Kiwi.com deal was found by Cheapflights users on 11/21. 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.
Sat 12/62:26 pmORD - GPT
1 stop28h 49mMultiple Airlines
Tue 12/3010:05 amGPT - ORD
2 stops32h 28mMultiple Airlines
Deal found 11/21$303

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 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$241
(Kiwi.com)

One-way from

$134
(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 23, 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

Mon 1/5

10:35 am-4:03 pm

1 stop5h 28m

Gulfport Biloxi Regional

Sat 1/10

5:13 pm-12:28 am

1 stop7h 15m

$249

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Thu 1/15

3:21 pm-10:41 pm

1 stop7h 20m

Gulfport Biloxi Regional

Mon 1/19

6:32 am-1:22 pm

1 stop6h 50m

$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

10:21 am-4:07 pm

1 stop5h 46m

$249

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Mon 1/5

2:17 pm-9:37 pm

1 stop7h 20m

Gulfport Biloxi Regional

Mon 1/12

5:13 pm-10:58 pm

1 stop5h 45m

$249

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Thu 12/18

6:45 am-2:08 pm

1 stop7h 23m

Gulfport Biloxi Regional

Thu 12/25

6:00 am-12:12 pm

1 stop6h 12m

$249

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Wed 1/7

9:55 am-3:09 pm

1 stop5h 14m

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

5:04 pm-11:59 pm

1 stop6h 55m

Gulfport Biloxi Regional

Wed 1/21

6:32 am-2:50 pm

2 stops8h 18m

$254

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Wed 1/7

3:21 pm-10:41 pm

1 stop7h 20m

Gulfport Biloxi Regional

Sat 1/10

1:45 pm-10:16 pm

2 stops8h 31m

$254

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Mon 1/5

6:37 pm-12:12 am

1 stop5h 35m

Gulfport Biloxi Regional

Sat 1/10

1:45 pm-10:16 pm

2 stops8h 31m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

Showing 1-10 of 44 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 23, 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 13% 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 mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 23, 2025.

The most flights from USIL to B1L are scheduled on a Monday (36 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 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, 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 cheapest airlines to fly from Illinois to Biloxi one-way?

    $229 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $271 and $308, respectively.

  • 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 $433, our data shows the cheapest flight currently is $53. 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 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$187FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$80Average$204FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$97Average$187FlexibilityNo cancel feeOn-time88%
DeltaCheapest$98Average$370FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$161Average$401FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$168Average$383FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$172Average$405FlexibilityNo cancel feeOn-time69%

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