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$128+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
FAT — ORD
févr. 25 — mars 41
mar. 2/25
mar. 3/4
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 février 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$245
(Mytrip)

One-way from

$128
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$342

Good round-trip deal

$399 or less

Good one-way deal

$198 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. 14% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in February 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 février 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 3/87:59 pmFAT - ORD
1 stop7h 27mMultiple Airlines
lun. 3/102:42 pmORD - FAT
1 stop27h 29mMultiple Airlines
Deal found 2/19$245
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/510:30 pmFAT - ORD
1 stop9h 12mDelta
sam. 3/87:20 amORD - FAT
1 stop6h 39mDelta
Deal found 2/19$257
This Delta deal was found by Cheapflights users on 2/20. 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.
dim. 8/315:15 pmFAT - MDW
2 stops13h 25mDelta
ven. 9/53:40 pmMDW - FAT
1 stop7h 58mDelta
Deal found 2/20$262
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/67:00 amFAT - ORD
Nonstop4h 05mUnited Airlines
mar. 5/207:49 pmORD - FAT
Nonstop4h 41mUnited Airlines
Deal found 2/20$270
This American Airlines deal was found by Cheapflights users on 2/20. 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.
dim. 4/611:59 pmFAT - ORD
1 stop7h 28mAmerican Airlines
dim. 4/136:45 pmORD - FAT
1 stop7h 16mAmerican Airlines
Deal found 2/20$288
This Southwest deal was found by Cheapflights users on 2/20. 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.
mar. 5/66:15 amFAT - ORD
2 stops13h 15mSouthwest
mar. 5/207:00 amORD - FAT
1 stop6h 55mSouthwest
Deal found 2/20$300
This American Airlines deal was found by Cheapflights users on 2/20. 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.
sam. 4/56:15 amFAT - STL
1 stop5h 27mAmerican Airlines
sam. 4/125:27 pmSTL - FAT
1 stop7h 15mAmerican Airlines
Deal found 2/20$323
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
mer. 4/94:54 pmFAT - ORD
1 stop10h 46mAlaska Airlines
mar. 4/157:40 amORD - FAT
1 stop10h 19mAlaska Airlines
Deal found 2/20$336
This Southwest deal was found by Cheapflights users on 2/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 3/216:35 pmFAT - MDW
1 stop8h 45mSouthwest
ven. 3/285:40 amMDW - FAT
1 stop9h 00mSouthwest
Deal found 2/19$354
This Delta deal was found by Cheapflights users on 2/20. 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.
ven. 3/710:30 pmFAT - STL
1 stop8h 50mDelta
mar. 3/115:00 pmSTL - FAT
1 stop6h 40mDelta
Deal found 2/20$362
This United Airlines deal was found by Cheapflights users on 2/19. 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.
mer. 4/166:06 pmFAT - PIA
2 stops14h 06mUnited Airlines
mer. 4/238:50 amPIA - FAT
2 stops10h 35mUnited Airlines
Deal found 2/19$390
This American Airlines deal was found by Cheapflights users on 2/19. 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.
jeu. 3/1311:59 pmFAT - PIA
2 stops14h 22mAmerican Airlines
dim. 3/164:52 pmPIA - FAT
2 stops9h 52mAmerican Airlines
Deal found 2/19$408

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 février 20, 2025.

Fly from

Fresno

Fly to

Illinois

Route

Depart

Return

Price

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

sam. 3/8

7:59 pm-5:26 am

1 stop7h 27m

Chicago O'Hare Intl

lun. 3/10

2:42 pm-4:11 pm

1 stop27h 29m

$245

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

mer. 3/5

10:30 pm-9:42 am

1 stop9h 12m

Chicago O'Hare Intl

sam. 3/8

7:20 am-11:59 am

1 stop6h 39m

$257

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

mar. 5/6

7:00 am-1:05 pm

Nonstop4h 05m

Chicago O'Hare Intl

mar. 5/20

7:49 pm-10:30 pm

Nonstop4h 41m

$270

FresnoChicago

FAT - MDW

FATMDW

Fresno Airterminal

ven. 3/21

10:45 pm-9:09 am

1 stop8h 24m

Chicago Midway

ven. 3/28

2:55 pm-9:40 pm

2 stops8h 45m

$278

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

dim. 4/6

11:59 pm-9:27 am

1 stop7h 28m

Chicago O'Hare Intl

dim. 4/13

6:45 pm-12:01 am

1 stop7h 16m

$288

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

mar. 5/6

6:15 am-9:30 pm

2 stops13h 15m

Chicago O'Hare Intl

mar. 5/20

7:00 am-11:55 am

1 stop6h 55m

$300

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

sam. 4/5

6:15 am-1:42 pm

1 stop5h 27m

Lambert-St Louis

sam. 4/12

5:27 pm-10:42 pm

1 stop7h 15m

$323

FresnoChicago

FAT - ORD

FATORD

Fresno Airterminal

mer. 4/9

4:54 pm-5:40 am

1 stop10h 46m

Chicago O'Hare Intl

mar. 4/15

7:40 am-3:59 pm

1 stop10h 19m

$336

FresnoChicago

FAT - MDW

FATMDW

Fresno Airterminal

ven. 3/21

6:35 pm-5:20 am

1 stop8h 45m

Chicago Midway

ven. 3/28

5:40 am-12:40 pm

1 stop9h 00m

$354

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

ven. 3/7

10:30 pm-9:20 am

1 stop8h 50m

Lambert-St Louis

mar. 3/11

5:00 pm-9:40 pm

1 stop6h 40m

$362

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 29 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.

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 $321). 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 février 20, 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 février 20, 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
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $129 on Delta. Other airlines that offer cheap prices include Southwest from $145 and American Airlines from $145 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 $642, our data indicates the cheapest price to be $149. The most popular route (Fresno Airterminal - Chicago O'Hare Intl), is priced around $245.

  • 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 $321). 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 février 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$217Average$418FlexibilityNo cancel feeOn-time71%
DeltaCheapest$235Average$436FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$238Average$438FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$242Average$326FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$288Average$450FlexibilityNo cancel feeOn-time69%
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