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$126+ Cheap flights from Fresno (FAT) to Illinois

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
FAT — ORD
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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Cheap flight deals from Fresno to Illinois

Cheapest flights from Fresno to Illinois
Explore the most affordable flight options available from Fresno to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Thu 3/56:38 pm
FAT
-
ORD
1 stop9h 30m
Multiple Airlines
Sun 3/89:08 pm
ORD
-
FAT
1 stop14h 40m
Multiple Airlines
Deal found 1/20$234
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 3/93:01 pm
FAT
-
ORD
1 stop13h 07m
Multiple Airlines
Thu 3/127:00 am
ORD
-
FAT
2 stops34h 02m
Multiple Airlines
Deal found 1/19$237
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/114:14 pm
FAT
-
ORD
1 stop6h 09m
American Airlines
Sat 2/142:58 pm
ORD
-
FAT
1 stop10h 14m
American Airlines
Deal found 1/20$251
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Wed 2/181:08 pm
FAT
-
ORD
1 stop29h 55m
Multiple Airlines
Wed 2/259:18 am
ORD
-
FAT
2 stops34h 27m
Multiple Airlines
Deal found 1/20$253
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/174:31 pm
FAT
-
STL
1 stop5h 28m
American Airlines
Sat 2/217:58 am
STL
-
FAT
1 stop6h 17m
American Airlines
Deal found 1/20$257
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Fri 3/63:01 pm
FAT
-
ORD
1 stop13h 07m
Multiple Airlines
Sun 3/89:08 pm
ORD
-
FAT
1 stop14h 40m
Multiple Airlines
Deal found 1/21$258
This United Airlines deal was found by Cheapflights users on 1/19. 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 3/42:02 pm
FAT
-
STL
2 stops7h 19m
United Airlines
Tue 3/104:30 pm
STL
-
FAT
1 stop6h 59m
United Airlines
Deal found 1/19$262
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:44 am
FAT
-
ORD
1 stop11h 15m
Alaska Airlines
Sat 3/73:54 pm
ORD
-
FAT
1 stop8h 19m
Alaska Airlines
Deal found 1/20$263
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Wed 2/46:09 pm
FAT
-
STL
1 stop24h 57m
Multiple Airlines
Fri 2/69:43 pm
STL
-
FAT
1 stop14h 33m
Multiple Airlines
Deal found 1/20$268
This Southwest deal was found by Cheapflights users on 1/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1212:10 pm
FAT
-
MDW
1 stop5h 20m
Southwest
Wed 2/186:10 am
MDW
-
FAT
1 stop9h 25m
Southwest
Deal found 1/21$270
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:02 am
FAT
-
ORD
1 stop6h 56m
Alaska Airlines
Sun 3/87:00 am
ORD
-
FAT
1 stop9h 39m
Alaska Airlines
Deal found 1/21$270
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 3/1410:44 am
FAT
-
ORD
1 stop11h 15m
Alaska Airlines
Wed 3/184:10 pm
ORD
-
FAT
1 stop20h 58m
Alaska Airlines
Deal found 1/19$273

Find flight deals from Fresno to Illinois

Keep the following information in mind while searching for Fresno to Illinois flight deals. Data was last updated January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$234
(Kiwi.com)

One-way from

$126
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$383

Good round-trip deal

$444 or less

Good one-way deal

$285 or less
Provider with most accurate pricing for Fresno Airterminal-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Fresno Airterminal-Chicago (CHI) flights.
Search Deals
From Fresno Airterminal to Illinois
Search Deals
One-way flight from Fresno Airterminal to Illinois
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Fresno Airterminal to Illinois.
Search Deals
Price to beat on a one-way flight from Fresno Airterminal to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fresno to Illinois 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 January 22, 2026.
Use the filters below to find and compare flights from Fresno to Illinois that are best for you.

Fly from

Fresno

Fly to

Illinois

Route

Depart

Return

Price

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 2/17

4:31 pm-11:59 pm

1 stop5h 28m

Lambert-St Louis

Sat 2/21

7:58 am-12:15 pm

1 stop6h 17m

$257

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Wed 3/4

2:02 pm-11:21 pm

2 stops7h 19m

Lambert-St Louis

Tue 3/10

4:30 pm-9:29 pm

1 stop6h 59m

$262

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Wed 3/4

10:44 am-11:59 pm

1 stop11h 15m

Chicago O'Hare Intl

Sun 3/8

7:00 am-2:39 pm

1 stop9h 39m

$263

FresnoChicago

FAT - MDW

FATMDW

Fresno Airterminal

Thu 2/12

12:10 pm-7:30 pm

1 stop5h 20m

Chicago Midway

Wed 2/18

6:10 am-1:35 pm

1 stop9h 25m

$270

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Sat 3/14

10:44 am-11:59 pm

1 stop11h 15m

Chicago O'Hare Intl

Wed 3/18

4:10 pm-11:08 am

1 stop20h 58m

$273

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Tue 2/10

3:04 pm-11:37 pm

1 stop6h 33m

Chicago O'Hare Intl

Mon 2/16

8:20 am-9:56 am

1 stop27h 36m

$275

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Thu 4/30

2:05 pm-12:34 am

1 stop8h 29m

Chicago O'Hare Intl

Mon 5/4

7:46 pm-10:22 pm

Nonstop4h 36m

$279

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sat 2/21

6:00 am-1:32 pm

1 stop5h 32m

Lambert-St Louis

Tue 2/24

11:55 am-9:30 pm

2 stops11h 35m

$282

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Thu 2/12

6:02 am-2:58 pm

1 stop6h 56m

Chicago O'Hare Intl

Wed 2/18

8:20 am-6:29 pm

1 stop12h 09m

$282

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Mon 4/20

3:03 pm-6:40 pm

1 stop25h 37m

Chicago O'Hare Intl

Fri 5/8

7:59 pm-11:07 am

1 stop17h 08m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 56 results
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Best time to book a flight from Fresno to Illinois

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

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

Currently, January is the cheapest month in which you can book a flight from Fresno to Illinois (average of $190). Flying from Fresno to Illinois in December is currently the most expensive (average of $296). 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 FAT to IL?

Find hourly flight availability from Fresno to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 22, 2026.

When flying from Fresno to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated January 22, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Fresno to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,775 reviews

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,775 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,087 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,192 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,173 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Fresno to Illinois. 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 from for flights from Fresno to Illinois?

    Fresno Airterminal (FAT) is the airport you will fly out of if you book a flight from Fresno to Illinois. It is only a 4.8 mi journey to Airterminal (FAT) from Fresno’s city center.

  • How long is the flight from Fresno to Illinois?

    There are many flights that can get you from Fresno to Illinois in 5h 28m. Fly via American Airlines, United Airlines, or Alaska Airlines to get the fastest option. The distance between Fresno and Illinois is about 1601 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Fresno to Illinois one-way?

    One-way options have recently been found by users for as low as $85 on Southwest. Other airlines that offer cheap prices include Delta from $108 and American Airlines from $118 one-way.

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

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

  • What are the cheapest flights from Fresno to Illinois?

    Looking for the cheapest flight from Fresno to Illinois? While on average our users pay $445, our data indicates the cheapest price to be $223. The most popular route (Fresno Airterminal - Chicago O'Hare Intl), is priced around $234.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Fresno to Illinois (average of $190). Flying from Fresno to Illinois in December is currently the most expensive (average of $296). 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 5 airlines flying from Fresno to Illinois

Discover the top 5 airlines that operate flights from Fresno to Illinois. 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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$234Average$419FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$237Average$305FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$248Average$493FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$344FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$279Average$436FlexibilityNo cancel feeOn-time69%

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