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Fresno

$95+ Cheap flights from Illinois to Fresno (FAT)

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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAT
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
1 adult, Economy
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Cheap flight deals from Illinois to Fresno

Cheapest flights from Illinois to Fresno
Explore the most affordable flight options available from Illinois to Fresno. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Mon 8/248:11 pm
ORD
-
FAT
1 stop22h 05m
Multiple Airlines
Mon 8/317:52 pm
FAT
-
ORD
2 stops15h 44m
Multiple Airlines
Deal found 7/12$213
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Mon 8/248:11 pm
ORD
-
FAT
1 stop22h 05m
Multiple Airlines
Sun 8/306:18 pm
FAT
-
ORD
2 stops17h 18m
Multiple Airlines
Deal found 7/12$220
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Mon 8/248:11 pm
ORD
-
FAT
1 stop22h 05m
Multiple Airlines
Tue 9/15:06 pm
FAT
-
ORD
2 stops18h 30m
Multiple Airlines
Deal found 7/12$245
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Fri 8/288:11 pm
ORD
-
FAT
1 stop16h 05m
Multiple Airlines
Mon 8/317:52 pm
FAT
-
ORD
2 stops15h 44m
Multiple Airlines
Deal found 7/12$247
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Fri 9/186:50 am
ORD
-
FAT
1 stop29h 29m
Multiple Airlines
Mon 9/218:28 pm
FAT
-
ORD
1 stop7h 14m
Multiple Airlines
Deal found 7/12$252
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/278:11 pm
ORD
-
FAT
1 stop17h 50m
Multiple Airlines
Mon 8/317:52 pm
FAT
-
ORD
2 stops15h 44m
Multiple Airlines
Deal found 7/12$266
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/157:29 am
ORD
-
FAT
1 stop8h 45m
Multiple Airlines
Mon 8/248:05 pm
FAT
-
ORD
2 stops15h 31m
Multiple Airlines
Deal found 7/12$269
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/278:11 pm
ORD
-
FAT
1 stop13h 40m
Multiple Airlines
Sun 8/306:18 pm
FAT
-
ORD
2 stops17h 18m
Multiple Airlines
Deal found 7/12$273
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Fri 8/288:11 pm
ORD
-
FAT
1 stop16h 05m
Multiple Airlines
Tue 9/15:06 pm
FAT
-
ORD
2 stops18h 30m
Multiple Airlines
Deal found 7/12$280
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/268:45 am
ORD
-
FAT
2 stops27h 01m
Multiple Airlines
Sun 8/306:18 pm
FAT
-
ORD
1 stop22h 44m
Multiple Airlines
Deal found 7/12$281
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:29 am
STL
-
FAT
2 stops18h 56m
Alaska Airlines
Tue 10/67:05 pm
FAT
-
STL
2 stops26h 54m
Alaska Airlines
Deal found 7/16$284
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:08 pm
STL
-
FAT
2 stops39h 39m
Multiple Airlines
Sun 8/166:53 pm
FAT
-
STL
1 stop21h 22m
Multiple Airlines
Deal found 7/14$293

Find flight deals from Illinois to Fresno

Keep the following information in mind while searching for Illinois to Fresno flight deals. Data was last updated July 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$213
(Kiwi.com)

One-way from

$95
(Kiwi.com)

Popular in

February

Cheapest in

October

Average price

$427

Good round-trip deal

$339 or less

Good one-way deal

$243 or less
Provider with most accurate pricing for Chicago (CHI)-Fresno Airterminal flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Fresno Airterminal flights.
Search Deals
From Illinois to Fresno Airterminal
Search Deals
One-way flight from Illinois to Fresno Airterminal
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Fresno Airterminal.
Search Deals
Price to beat on a one-way flight from Illinois to Fresno Airterminal.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Fresno 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 July 17, 2026.
Use the filters below to find and compare flights from Illinois to Fresno that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisFresno

STL - FAT

STLFAT

Lambert-St Louis

Tue 9/29

6:29 am-11:25 pm

2 stops18h 56m

Fresno Airterminal

Tue 10/6

7:05 pm-11:59 pm

2 stops26h 54m

$284

St. LouisFresno

STL - FAT

STLFAT

Lambert-St Louis

Wed 8/19

8:00 am-12:02 pm

1 stop6h 02m

Fresno Airterminal

Wed 8/26

2:33 pm-11:42 pm

1 stop7h 09m

$299

St. LouisFresno

STL - FAT

STLFAT

Lambert-St Louis

Tue 9/15

5:35 am-9:10 am

1 stop5h 35m

Fresno Airterminal

Sat 9/19

5:30 am-4:40 pm

2 stops9h 10m

$304

St. LouisFresno

STL - FAT

STLFAT

Lambert-St Louis

Tue 9/29

8:00 am-12:08 pm

1 stop6h 08m

Fresno Airterminal

Tue 10/6

12:59 pm-11:42 pm

2 stops8h 43m

$304

ChicagoFresno

ORD - FAT

ORDFAT

Chicago O'Hare Intl

Tue 8/25

8:00 pm-10:31 pm

Nonstop4h 31m

Fresno Airterminal

Sun 8/30

12:03 pm-9:30 pm

1 stop7h 27m

$339

St. LouisFresno

STL - FAT

STLFAT

Lambert-St Louis

Thu 10/22

7:00 am-1:11 pm

1 stop8h 11m

Fresno Airterminal

Tue 10/27

7:05 pm-11:59 pm

2 stops26h 54m

$341

ChicagoFresno

MDW - FAT

MDWFAT

Chicago Midway

Mon 9/28

6:40 am-11:20 am

1 stop6h 40m

Fresno Airterminal

Thu 10/8

5:20 pm-4:30 am

1 stop9h 10m

$349

ChicagoFresno

ORD - FAT

ORDFAT

Chicago O'Hare Intl

Tue 10/13

7:49 pm-10:45 am

1 stop16h 56m

Fresno Airterminal

Wed 10/21

7:05 pm-1:25 pm

1 stop16h 20m

$349

ChicagoFresno

ORD - FAT

ORDFAT

Chicago O'Hare Intl

Thu 8/13

6:20 am-3:42 pm

1 stop11h 22m

Fresno Airterminal

Mon 8/17

7:30 am-5:00 am

1 stop19h 30m

$349

ChicagoFresno

MDW - FAT

MDWFAT

Chicago Midway

Wed 8/12

3:10 pm-9:50 pm

2 stops8h 40m

Fresno Airterminal

Sun 8/16

5:25 pm-4:30 am

1 stop9h 05m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/12

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Fresno

Have a flexible travel schedule? Discover the best time to fly to Fresno 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 Fresno

What is the cheapest month to book a flight from Illinois to Fresno?

Currently, November is the cheapest month in which you can book a flight from Illinois to Fresno (average of $145). Flying from Illinois to Fresno in September is currently the most expensive (average of $276). 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 FAT?

Find hourly flight availability from Illinois to Fresno. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 17, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Fresno as you normally would.

Weekly flight availability from Illinois to Fresno

Explore weekly flight availability from Illinois to Fresno. 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 July 17, 2026.

The most flights from USIL to FAT are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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

How far ahead should I book a flight from Illinois to Fresno?

Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Illinois to Fresno. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Fresno. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Fresno from Illinois?

    If you book a flight to Fresno from Illinois, you will be flying to Airterminal, which is the city’s only airport. Fresno Airterminal (FAT) is located 4.8 mi from the center of Fresno.

  • How long is the flight from Illinois to Fresno?

    A quick flight from Illinois to Fresno can take about 5h 35m. Alaska Airlines provides one of the quickest options available for as low as $304. The distance between Illinois and Fresno is about 1601 mi. 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 Fresno one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $85. Users have also found prices from $129 and $131 on American Airlines and Alaska Airlines, respectively.

  • What are the most popular routes from Illinois to Fresno?

    Most travelers choose Chicago O'Hare Intl - Fresno Airterminal, Chicago Midway - Fresno Airterminal or Lambert-St Louis - Fresno Airterminal when deciding on the best route from Illinois to Fresno.

  • What are the cheapest flights from Illinois to Fresno?

    Looking at all options, your cheapest flight can be booked for $243. While the most popular route (Chicago O'Hare Intl - Fresno Airterminal) can be booked for $308 on average, our data indicates $505 when flying from Illinois to Fresno.

  • Can I find deals for flights from Illinois to Fresno that include hotel bookings?

    Yes. In addition to deals on Illinois to Fresno flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Fresno?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Fresno.

  • Can I find deals for business class flights from Illinois to Fresno?

    Yes. Cheapflights offers flight deals from Illinois to Fresno 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 Fresno?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Fresno (average of $145). Flying from Illinois to Fresno in September is currently the most expensive (average of $276). 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

Traveling to a place near Fresno?

Book flights to Fresno if you plan to visit one of these locations
Madera
Clovis
Kingsburg
Bass Lake

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Top 5 airlines flying from Illinois to Fresno

Discover the top 5 airlines that operate flights from Illinois to Fresno. 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 July 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$164Average$427FlexibilityNo cancel feeOn-time63%
DeltaCheapest$186Average$374FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$222Average$418FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$250Average$523FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$279Average$384FlexibilityNo cancel feeOn-time69%

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