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Biloxi

$169+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MSY
Jul 7 — Jul 141
Tue 7/7
Tue 7/14
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 June 7, 2026.

This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:42 am
STL
-
GPT
1 stop5h 00m
American Airlines
Sat 8/155:45 pm
GPT
-
STL
1 stop4h 55m
American Airlines
Deal found 6/4$261
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:05 am
MDW
-
GPT
1 stop6h 58m
Delta
Sat 8/224:00 pm
GPT
-
MDW
1 stop6h 36m
Delta
Deal found 6/4$281
This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:45 pm
ORD
-
GPT
1 stop5h 47m
American Airlines
Sat 9/1211:18 am
GPT
-
ORD
1 stop7h 07m
American Airlines
Deal found 6/4$281
This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:32 am
STL
-
GPT
1 stop5h 23m
American Airlines
Tue 7/146:35 pm
GPT
-
STL
1 stop5h 23m
American Airlines
Deal found 6/4$286
This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:47 pm
ORD
-
GPT
1 stop5h 09m
American Airlines
Tue 7/76:35 pm
GPT
-
ORD
1 stop5h 26m
American Airlines
Deal found 6/4$286
This Delta deal was found by Cheapflights users on 6/6. 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.
Wed 8/1211:30 am
ORD
-
GPT
2 stops10h 51m
Delta
Wed 8/191:48 pm
GPT
-
ORD
2 stops8h 36m
Delta
Deal found 6/6$291
This American Airlines deal was found by Cheapflights users on 6/3. 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 12/108:20 am
ORD
-
GPT
1 stop7h 48m
American Airlines
Tue 12/154:38 pm
GPT
-
ORD
1 stop7h 08m
American Airlines
Deal found 6/3$295
This United Airlines deal was found by Cheapflights users on 6/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:30 am
ORD
-
GPT
1 stop5h 54m
United Airlines
Thu 8/204:59 pm
GPT
-
ORD
1 stop6h 27m
United Airlines
Deal found 6/5$300
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Fri 7/36:47 pm
ORD
-
GPT
1 stop5h 09m
American Airlines
Fri 7/106:35 pm
GPT
-
ORD
1 stop5h 26m
American Airlines
Deal found 6/6$305
This American Airlines deal was found by Cheapflights users on 6/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:43 am
STL
-
GPT
1 stop4h 57m
American Airlines
Mon 9/146:22 pm
GPT
-
STL
1 stop5h 21m
American Airlines
Deal found 6/5$309
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:13 pm
ORD
-
GPT
1 stop25h 32m
Multiple Airlines
Thu 8/207:25 pm
GPT
-
ORD
2 stops36h 38m
Multiple Airlines
Deal found 6/5$314
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:45 pm
ORD
-
GPT
1 stop6h 11m
American Airlines
Mon 7/206:35 pm
GPT
-
ORD
1 stop5h 26m
American Airlines
Deal found 6/7$319

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 June 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(American Airlines)

One-way from

$169
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$352
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. 17% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 7, 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

Wed 8/12

5:42 am-10:42 am

1 stop5h 00m

Gulfport Biloxi Regional

Sat 8/15

5:45 pm-10:40 pm

1 stop4h 55m

$261

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Wed 8/12

8:05 am-1:03 pm

1 stop4h 58m

Gulfport Biloxi Regional

Wed 8/19

1:48 pm-10:24 pm

2 stops8h 36m

$286

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Tue 6/16

3:57 pm-10:17 pm

1 stop6h 20m

Gulfport Biloxi Regional

Tue 7/7

5:57 pm-11:53 pm

1 stop5h 56m

$300

BloomingtonGulfport

BMI - GPT

BMIGPT

Bloomington-Normal

Wed 8/5

12:09 pm-5:15 pm

1 stop5h 06m

Gulfport Biloxi Regional

Tue 8/11

6:00 pm-11:16 pm

1 stop5h 16m

$329

ChicagoGulfport

MDW - GPT

MDWGPT

Chicago Midway

Wed 7/22

5:10 pm-10:14 pm

1 stop5h 04m

Gulfport Biloxi Regional

Sat 7/25

4:00 pm-10:15 pm

1 stop6h 15m

$340

ChicagoGulfport

MDW - GPT

MDWGPT

Chicago Midway

Sat 7/4

9:54 am-8:41 pm

2 stops10h 47m

Gulfport Biloxi Regional

Fri 7/10

5:57 pm-10:15 pm

1 stop4h 18m

$365

St. LouisGulfport

STL - GPT

STLGPT

Lambert-St Louis

Wed 8/12

4:09 pm-6:45 pm

1 stop26h 36m

Gulfport Biloxi Regional

Sun 8/16

7:25 pm-6:15 pm

2 stops22h 50m

$369

ChicagoGulfport

ORD - GPT

ORDGPT

Chicago O'Hare Intl

Sat 7/4

8:36 am-8:41 pm

2 stops12h 05m

Gulfport Biloxi Regional

Fri 7/10

10:06 am-9:52 pm

2 stops11h 46m

$370

ChicagoGulfport

MDW - GPT

MDWGPT

Chicago Midway

Tue 7/14

5:10 pm-10:14 pm

1 stop5h 04m

Gulfport Biloxi Regional

Mon 7/20

5:57 pm-10:15 pm

1 stop4h 18m

$379

ChicagoGulfport

MDW - GPT

MDWGPT

Chicago Midway

Fri 9/4

10:54 am-3:00 pm

1 stop4h 06m

Gulfport Biloxi Regional

Sun 9/6

10:01 am-3:38 pm

1 stop5h 37m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 60 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 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 June 7, 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 6% on your trip compared to booking a flight in the evening.

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 June 7, 2026.

The most flights from USIL to B1L are scheduled on a Thursday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

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

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 May 30, 2026.

Travelers seeking maximum savings on their Illinois to Biloxi flight should consider departing on Monday at noon when fares are most often at their lowest. Thursday at noon 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 $286, American Airlines can have you in Biloxi from Illinois in 4h 58m. There are 802 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 Finnair (91%), Envoy Air (90%) or Republic 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 $333, our data shows the cheapest flight currently is $128. When looking at the most popular route, (Chicago O'Hare Intl - Gulfport Biloxi Regional), you can expect to pay $281 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.

See more FAQs

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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 June 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$86Average$195FlexibilityNo cancel feeOn-time88%
FrontierCheapest$98Average$228FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$377FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$163Average$397FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$169Average$408FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$173Average$405FlexibilityNo cancel feeOn-time63%

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