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Illinois

$145+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
FAT — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Fresno to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Fresno (FAT) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$229
(American Airlines)

One-way from

$145
(Delta)
From Fresno Airterminal to Illinois
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One-way flight from Fresno Airterminal to Illinois
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Find 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 21, 2025.

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.
Sat 2/86:00 amFAT - ORD
1 stop6h 25mAmerican Airlines
Sat 2/154:55 pmORD - FAT
1 stop7h 53mAmerican Airlines
Deal found 1/20$229
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/266:42 pmFAT - ORD
1 stop9h 25mMultiple Airlines
Sun 3/210:45 pmORD - FAT
1 stop12h 11mMultiple Airlines
Deal found 1/21$255
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2510:45 pmFAT - MDW
1 stop8h 24mDelta
Tue 4/112:51 pmMDW - FAT
1 stop10h 31mDelta
Deal found 1/20$257
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2512:45 pmFAT - ORD
1 stop7h 00mDelta
Wed 3/267:45 amORD - FAT
1 stop6h 18mDelta
Deal found 1/20$257
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/156:15 amFAT - MDW
1 stop5h 40mSouthwest
Tue 4/225:30 pmMDW - FAT
1 stop6h 40mSouthwest
Deal found 1/20$259
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.
Sat 8/237:00 amFAT - ORD
Nonstop4h 00mUnited Airlines
Sat 9/62:10 pmORD - FAT
1 stop7h 56mUnited Airlines
Deal found 1/19$279
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/126:45 amFAT - ORD
2 stops12h 45mSouthwest
Sat 2/156:30 amORD - FAT
1 stop9h 50mSouthwest
Deal found 1/20$301
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2512:34 pmFAT - STL
1 stop8h 09mAmerican Airlines
Fri 2/287:15 amSTL - FAT
1 stop6h 54mAmerican Airlines
Deal found 1/19$353
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.
Mon 9/154:35 pmFAT - ORD
1 stop10h 29mAlaska Airlines
Wed 10/157:00 amORD - FAT
2 stops13h 46mAlaska Airlines
Deal found 1/20$357
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.
Tue 2/2512:50 pmFAT - STL
1 stop5h 54mUnited Airlines
Fri 2/281:39 pmSTL - FAT
2 stops11h 01mUnited Airlines
Deal found 1/19$358
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/33:45 pmFAT - STL
1 stop7h 10mSouthwest
Mon 4/146:40 pmSTL - FAT
1 stop6h 25mSouthwest
Deal found 1/20$395
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1710:30 pmFAT - STL
1 stop8h 50mDelta
Mon 2/2412:52 pmSTL - FAT
1 stop10h 38mDelta
Deal found 1/20$425

Find flights from Fresno to Illinois within your budget

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 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Sat 2/8

6:00 am-2:25 pm

1 stop6h 25m

Chicago O'Hare Intl

Sat 2/15

4:55 pm-10:48 pm

1 stop7h 53m

$229

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Wed 2/26

6:42 pm-6:07 am

1 stop9h 25m

Chicago O'Hare Intl

Sun 3/2

10:45 pm-8:56 am

1 stop12h 11m

$255

FresnoChicago

FAT - MDW

FATMDW

Fresno Airterminal

Tue 3/25

10:45 pm-9:09 am

1 stop8h 24m

Chicago Midway

Tue 4/1

12:51 pm-9:22 pm

1 stop10h 31m

$257

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Tue 3/25

12:45 pm-9:45 pm

1 stop7h 00m

Chicago O'Hare Intl

Wed 3/26

7:45 am-12:03 pm

1 stop6h 18m

$257

FresnoChicago

FAT - MDW

FATMDW

Fresno Airterminal

Tue 4/15

6:15 am-1:55 pm

1 stop5h 40m

Chicago Midway

Tue 4/22

5:30 pm-10:10 pm

1 stop6h 40m

$259

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Wed 2/12

6:45 am-9:30 pm

2 stops12h 45m

Chicago O'Hare Intl

Sat 2/15

6:30 am-2:20 pm

1 stop9h 50m

$301

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Thu 3/27

6:45 pm-5:57 am

1 stop9h 12m

Chicago O'Hare Intl

Sun 3/30

7:00 am-11:45 am

1 stop6h 45m

$329

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sat 2/8

6:10 am-1:18 pm

1 stop5h 08m

Lambert-St Louis

Wed 2/19

5:00 pm-9:35 pm

1 stop6h 35m

$347

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 2/25

12:34 pm-10:43 pm

1 stop8h 09m

Lambert-St Louis

Fri 2/28

7:15 am-12:09 pm

1 stop6h 54m

$353

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 2/25

12:50 pm-8:44 pm

1 stop5h 54m

Lambert-St Louis

Fri 2/28

1:39 pm-10:40 pm

2 stops11h 01m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 18 results
1
2

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.

Travel insights for flights from Fresno to Illinois

Get recent, data-driven insights about flights from Fresno to Illinois including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Fresno to Illinois (average of $245). Flying from Fresno to Illinois in March is currently the most expensive (average of $320). 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 21, 2025.

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.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 21, 2025.
Get a feel of what it's like to fly with United Airlines, Alaska Airlines and Delta from Fresno to Illinois by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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.

  • 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 $479, our data indicates the cheapest price to be $196. The most popular route (Fresno Airterminal - Chicago O'Hare Intl), is priced around $229.

  • 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, August is the cheapest month in which you can book a flight from Fresno to Illinois (average of $245). Flying from Fresno to Illinois in March is currently the most expensive (average of $320). 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 Fresno to Illinois

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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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$215Average$416FlexibilityNo cancel feeOn-time71%
DeltaCheapest$235Average$347FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$242Average$326FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$288Average$428FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$288Average$452FlexibilityNo cancel feeOn-time69%
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