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$102+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
FAT — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Fresno to Illinois

Keep the following information in mind while searching for Fresno to Illinois flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(United Airlines)

One-way from

$102
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$389

Good round-trip deal

$431 or less

Good one-way deal

$228 or less
Provider with most accurate pricing for Fresno Airterminal-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Fresno Airterminal-Chicago (CHI) flights.
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From Fresno Airterminal to Illinois
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One-way flight from Fresno Airterminal to Illinois
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Highest demand for flights based on searches. 13% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Fresno Airterminal to Illinois.
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Price to beat on a 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 March 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/25. 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 5/294:14 pmFAT - ORD
1 stop6h 23mAmerican Airlines
Tue 6/36:45 pmORD - FAT
1 stop7h 13mAmerican Airlines
Deal found 3/25$199
This Mytrip deal was found by Cheapflights users on 3/25. 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.
Mon 5/129:58 amFAT - ORD
1 stop22h 57mMultiple Airlines
Mon 5/199:02 pmORD - FAT
1 stop14h 47mMultiple Airlines
Deal found 3/25$223
This Delta deal was found by Cheapflights users on 3/25. 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 4/3010:45 pmFAT - MDW
1 stop8h 22mDelta
Wed 5/712:48 pmMDW - FAT
1 stop10h 19mDelta
Deal found 3/25$257
This Delta deal was found by Cheapflights users on 3/25. 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 4/1510:45 pmFAT - ORD
1 stop7h 46mDelta
Fri 4/187:25 amORD - FAT
1 stop6h 40mDelta
Deal found 3/25$257
This United Airlines deal was found by Cheapflights users on 3/26. 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 5/72:27 pmFAT - ORD
1 stop8h 49mUnited Airlines
Sat 5/107:49 pmORD - FAT
Nonstop4h 41mUnited Airlines
Deal found 3/26$279
This Southwest deal was found by Cheapflights users on 3/26. 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 5/2910:55 amFAT - MDW
1 stop7h 55mSouthwest
Tue 6/34:05 pmMDW - FAT
2 stops8h 05mSouthwest
Deal found 3/26$294
This Southwest deal was found by Cheapflights users on 3/26. 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 5/292:50 pmFAT - ORD
1 stop6h 50mSouthwest
Tue 6/31:30 pmORD - FAT
2 stops10h 40mSouthwest
Deal found 3/26$294
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 5/212:30 pmFAT - ORD
1 stop7h 26mAlaska Airlines
Sun 5/257:00 amORD - FAT
2 stops13h 43mAlaska Airlines
Deal found 3/26$322
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/212:30 pmFAT - ORD
1 stop7h 26mHawaiian Airlines
Sun 5/256:00 amORD - FAT
1 stop9h 50mHawaiian Airlines
Deal found 3/27$328
This United Airlines deal was found by Cheapflights users on 3/25. 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 4/166:06 pmFAT - PIA
2 stops14h 06mUnited Airlines
Wed 4/2310:58 amPIA - FAT
2 stops13h 32mUnited Airlines
Deal found 3/25$329
This Delta deal was found by Cheapflights users on 3/25. 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 5/215:01 pmFAT - STL
1 stop5h 32mDelta
Wed 5/283:40 pmSTL - FAT
1 stop7h 22mDelta
Deal found 3/25$337
This United Airlines deal was found by Cheapflights users on 3/26. 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 4/238:42 amFAT - STL
2 stops11h 08mUnited Airlines
Sat 4/264:45 pmSTL - FAT
1 stop6h 13mUnited Airlines
Deal found 3/26$343

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 March 28, 2025.
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

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Thu 5/29

4:14 pm-12:37 am

1 stop6h 23m

Chicago O'Hare Intl

Tue 6/3

6:45 pm-11:58 pm

1 stop7h 13m

$199

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Mon 5/12

9:58 am-10:55 am

1 stop22h 57m

Chicago O'Hare Intl

Mon 5/19

9:02 pm-9:49 am

1 stop14h 47m

$223

FresnoChicago

FAT - MDW

FATMDW

Fresno Airterminal

Wed 4/30

10:45 pm-9:07 am

1 stop8h 22m

Chicago Midway

Wed 5/7

12:48 pm-9:07 pm

1 stop10h 19m

$257

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Tue 4/15

10:45 pm-8:31 am

1 stop7h 46m

Chicago O'Hare Intl

Fri 4/18

7:25 am-12:05 pm

1 stop6h 40m

$257

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Wed 5/7

2:27 pm-1:16 am

1 stop8h 49m

Chicago O'Hare Intl

Sat 5/10

7:49 pm-10:30 pm

Nonstop4h 41m

$279

FresnoChicago

FAT - MDW

FATMDW

Fresno Airterminal

Thu 5/29

10:55 am-8:50 pm

1 stop7h 55m

Chicago Midway

Tue 6/3

4:05 pm-10:10 pm

2 stops8h 05m

$294

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Thu 5/29

2:50 pm-11:40 pm

1 stop6h 50m

Chicago O'Hare Intl

Tue 6/3

1:30 pm-10:10 pm

2 stops10h 40m

$294

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Wed 5/21

2:30 pm-11:56 pm

1 stop7h 26m

Chicago O'Hare Intl

Sun 5/25

7:00 am-6:43 pm

2 stops13h 43m

$322

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

Wed 5/21

2:30 pm-11:56 pm

1 stop7h 26m

Chicago O'Hare Intl

Sun 5/25

6:00 am-1:50 pm

1 stop9h 50m

$328

FresnoPeoria

FAT - PIA

FATPIA

Fresno Airterminal

Wed 4/16

6:06 pm-10:12 am

2 stops14h 06m

Greater Peoria

Wed 4/23

10:58 am-10:30 pm

2 stops13h 32m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 34 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, 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 $323). 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 March 28, 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 March 28, 2025.
Get a feel of what it's like to fly with Southwest, 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
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 cheapest airlines to fly from Fresno to Illinois one-way?

    One-way options have recently been found by users for as low as $109 on American Airlines. Other airlines that offer cheap prices include Delta from $129 and Alaska Airlines from $144 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 $534, our data indicates the cheapest price to be $196. The most popular route (Fresno Airterminal - Chicago O'Hare Intl), is priced around $211.

  • 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 $323). 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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Alternative routes for Fresno to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$414FlexibilityNo cancel feeOn-time71%
DeltaCheapest$235Average$456FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$242Average$349FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$268Average$426FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$288Average$442FlexibilityNo cancel feeOn-time69%
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