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Biloxi

$119+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MSY
Apr 8 — Apr 151
Wed 4/8
Wed 4/15
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 March 9, 2026.

This United Airlines deal was found by Cheapflights users on 3/8. 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 5/26:00 am
STL
-
GPT
1 stop7h 21m
United Airlines
Sat 5/94:55 pm
GPT
-
STL
1 stop5h 35m
United Airlines
Deal found 3/8$237
This Delta deal was found by Cheapflights users on 3/7. 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 3/315:21 pm
STL
-
GPT
1 stop4h 54m
Delta
Fri 4/35:57 pm
GPT
-
STL
1 stop6h 01m
Delta
Deal found 3/7$245
This United Airlines deal was found by Cheapflights users on 3/8. 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 7/158:35 am
STL
-
GPT
1 stop7h 36m
United Airlines
Sat 7/255:19 pm
GPT
-
STL
1 stop5h 26m
United Airlines
Deal found 3/8$261
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/116:10 pm
ORD
-
GPT
2 stops38h 50m
Multiple Airlines
Thu 4/167:20 pm
GPT
-
ORD
1 stop21h 49m
Multiple Airlines
Deal found 3/6$280
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/44:49 pm
ORD
-
GPT
1 stop6h 10m
American Airlines
Wed 4/86:09 pm
GPT
-
ORD
1 stop5h 45m
American Airlines
Deal found 3/6$289
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 4/95:01 am
MDW
-
GPT
1 stop13h 39m
Multiple Airlines
Sun 4/127:20 pm
GPT
-
MDW
2 stops20h 39m
Multiple Airlines
Deal found 3/4$297
This Delta deal was found by Cheapflights users on 3/8. 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 4/34:21 pm
STL
-
GPT
1 stop5h 54m
Delta
Tue 4/75:57 pm
GPT
-
STL
1 stop6h 01m
Delta
Deal found 3/8$298
This American Airlines deal was found by Cheapflights users on 3/6. 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 3/216:57 pm
STL
-
GPT
1 stop5h 00m
American Airlines
Wed 3/255:00 am
GPT
-
STL
1 stop5h 59m
American Airlines
Deal found 3/6$299
This Delta deal was found by Cheapflights users on 3/8. 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 4/34:21 pm
STL
-
GPT
1 stop5h 54m
Delta
Sun 4/55:57 pm
GPT
-
STL
1 stop6h 01m
Delta
Deal found 3/8$302
This American Airlines deal was found by Cheapflights users on 3/8. 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 5/27:05 am
STL
-
GPT
2 stops10h 15m
American Airlines
Sat 5/96:00 am
GPT
-
STL
2 stops10h 41m
American Airlines
Deal found 3/8$308
This Delta deal was found by Cheapflights users on 3/6. 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 7/253:42 pm
STL
-
GPT
1 stop6h 25m
Delta
Thu 7/302:15 pm
GPT
-
STL
1 stop3h 47m
Delta
Deal found 3/6$309
This Delta deal was found by Cheapflights users on 3/5. 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 4/14:04 pm
BMI
-
GPT
1 stop6h 11m
Delta
Thu 4/236:00 am
GPT
-
BMI
1 stop5h 19m
Delta
Deal found 3/5$309

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 March 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(United Airlines)

One-way from

$119
(American Airlines)

Popular in

November

Cheapest in

August

Average price

$483
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. 13% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 9, 2026.
Use the filters below to find and compare flights from Illinois to Biloxi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Sat 5/2

6:00 am-1:21 pm

1 stop7h 21m

Gulfport Biloxi Regional

Sat 5/9

4:55 pm-10:30 pm

1 stop5h 35m

$237

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Sat 4/25

7:25 am-2:06 pm

1 stop6h 41m

Gulfport Biloxi Regional

Wed 4/29

5:55 pm-11:36 pm

1 stop5h 41m

$288

BloomingtonGulfport

BMI - GPT

BMIGPT

Bloomington-Normal

Wed 4/1

4:04 pm-10:15 pm

1 stop6h 11m

Gulfport Biloxi Regional

Thu 4/23

6:00 am-11:19 am

1 stop5h 19m

$309

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Thu 4/9

9:06 am-6:40 pm

1 stop9h 34m

Gulfport Biloxi Regional

Mon 4/13

6:54 pm-10:02 am

2 stops39h 08m

$323

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Fri 4/3

5:59 pm-10:15 pm

1 stop4h 16m

Gulfport Biloxi Regional

Fri 5/8

6:02 pm-11:59 pm

1 stop5h 57m

$324

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Sat 4/4

9:16 am-7:53 pm

2 stops10h 37m

Gulfport Biloxi Regional

Sat 4/11

4:26 pm-10:28 pm

1 stop6h 02m

$338

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Sat 4/4

5:59 pm-10:15 pm

1 stop4h 16m

Gulfport Biloxi Regional

Sat 4/11

3:00 pm-8:02 pm

1 stop5h 02m

$344

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Fri 4/3

6:00 am-1:21 pm

1 stop7h 21m

Gulfport Biloxi Regional

Fri 4/10

5:15 pm-10:27 pm

1 stop5h 12m

$347

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Fri 5/1

7:10 am-1:54 pm

1 stop6h 44m

Gulfport Biloxi Regional

Mon 5/4

5:55 pm-11:59 pm

1 stop6h 04m

$359

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Sun 4/5

5:25 am-9:00 am

1 stop27h 35m

Gulfport Biloxi Regional

Sun 4/12

7:20 pm-8:17 am

1 stop12h 57m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 53 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Illinois to Biloxi (average of $72). Flying from Illinois to Biloxi in July is currently the most expensive (average of $140). 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 March 9, 2026.

A simple way to save on the total cost of your ticket is to fly from Illinois to Biloxi at noon. If you’re flexible enough to do this you can expect to save up to 4% on your trip compared to booking a flight in the morning.

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 February 21, 2026.

Travelers seeking maximum savings on their Illinois to Biloxi flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday mornings 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 March 9, 2026.

The most flights from USIL to B1L are scheduled on a Sunday (33 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 $288, United Airlines can have you in Biloxi from Illinois in 6h 41m. 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%), Air Canada (84%) or Brussels Airlines (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 $479, our data shows the cheapest flight currently is $50. When looking at the most popular route, (Chicago O'Hare Intl - Gulfport Biloxi Regional), you can expect to pay $289 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, February is the cheapest month in which you can book a flight from Illinois to Biloxi (average of $72). Flying from Illinois to Biloxi in July is currently the most expensive (average of $140). 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.

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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 March 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$65Average$175FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$82Average$194FlexibilityNo cancel feeOn-time88%
FrontierCheapest$98Average$232FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$355FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$159Average$424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$167Average$383FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$168Average$352FlexibilityNo cancel feeOn-time63%

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