$135+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
FAT — ORD
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Cheapest flights from Fresno to IllinoisExplore 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 Juli 30, 2026.
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 Juli 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Mo 9/144:23 pm
FAT
- STL
2 stops22h 47m
Alaska Airlines
Mo 9/217:36 pm
STL
- FAT
1 stop16h 49m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$286
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sa 9/56:00 am
FAT
- STL
1 stop8h 14m
American Airlines
Sa 9/195:00 pm
STL
- FAT
1 stop8h 26m
American Airlines
Deal found 7/30![American Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sa 9/56:15 am
FAT
- STL
2 stops8h 19m
United Airlines
Sa 9/195:30 pm
STL
- FAT
1 stop7h 01m
United Airlines
Deal found 7/30![United Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/1912:53 pm
FAT
- STL
2 stops9h 21m
American Airlines
Sa 8/295:00 am
STL
- FAT
2 stops9h 02m
American Airlines
Deal found 7/26![American Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Di 10/272:07 pm
FAT
- STL
1 stop7h 52m
Alaska Airlines
Mi 10/287:02 am
STL
- FAT
1 stop8h 09m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mo 9/142:50 pm
FAT
- STL
1 stop6h 53m
American Airlines
Mo 9/215:11 pm
STL
- FAT
1 stop8h 15m
American Airlines
Deal found 7/29![American Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Do 8/2712:22 pm
FAT
- ORD
1 stop7h 38m
United Airlines
So 8/308:00 pm
ORD
- FAT
Nonstop4h 31m
United Airlines
Deal found 7/26![United Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Di 10/203:24 pm
FAT
- ORD
1 stop25h 29m
Alaska Airlines
So 10/257:49 pm
ORD
- FAT
1 stop17h 21m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 9/174:47 pm
FAT
- ORD
1 stop10h 51m
Multiple Airlines
Mo 9/218:55 pm
ORD
- FAT
1 stop21h 24m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Mi 8/199:05 am
FAT
- ORD
1 stop8h 16m
Alaska Airlines
Sa 8/226:00 am
ORD
- FAT
1 stop11h 13m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Do 8/206:01 am
FAT
- ORD
1 stop11h 20m
Alaska Airlines
Di 8/252:18 pm
ORD
- FAT
1 stop27h 28m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 8/2911:06 am
FAT
- ORD
2 stops24h 30m
Multiple Airlines
Mi 9/91:21 pm
ORD
- FAT
1 stop30h 14m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$356
Best flights from Fresno to IllinoisDiscover carefully curated flight deals from Fresno to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated Juli 30, 2026.
Discover carefully curated flight deals from Fresno to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated Juli 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Mo 9/144:23 pm
FAT
- STL
2 stops22h 47m
Alaska Airlines
Mo 9/217:36 pm
STL
- FAT
1 stop16h 49m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$286
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Mo 11/212:03 pm
FAT
- STL
1 stop8h 12m
United Airlines
Mo 11/94:39 pm
STL
- FAT
1 stop6h 34m
United Airlines
Deal found 7/26![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 10/13:20 pm
FAT
- STL
1 stop6h 35m
Southwest
Di 10/65:50 pm
STL
- FAT
1 stop5h 40m
Southwest
Deal found 7/27![Southwest logo]()
$299
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mo 9/142:50 pm
FAT
- STL
1 stop6h 53m
American Airlines
Mo 9/215:11 pm
STL
- FAT
1 stop8h 15m
American Airlines
Deal found 7/29![American Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 7/25. 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.
Fr 9/1112:31 pm
FAT
- ORD
1 stop7h 24m
Delta
So 9/136:40 am
ORD
- FAT
2 stops11h 59m
Delta
Deal found 7/25![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Do 8/2712:22 pm
FAT
- STL
1 stop6h 24m
United Airlines
Do 9/31:36 pm
STL
- FAT
1 stop5h 51m
United Airlines
Deal found 7/30![United Airlines logo]()
$299
This Orbitz deal was found by Cheapflights users on 7/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 10/14:23 pm
FAT
- STL
2 stops22h 47m
Alaska Airlines
Di 10/67:02 am
STL
- FAT
2 stops15h 25m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Di 10/272:07 pm
FAT
- STL
1 stop7h 52m
Alaska Airlines
Mi 10/287:02 am
STL
- FAT
1 stop8h 09m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 7/29. 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.
So 11/13:35 pm
FAT
- MDW
1 stop8h 20m
Southwest
Mi 11/48:05 am
MDW
- FAT
1 stop8h 00m
Southwest
Deal found 7/29![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Mi 9/26:15 am
FAT
- ORD
1 stop6h 21m
United Airlines
Mi 9/97:55 pm
ORD
- FAT
Nonstop4h 31m
United Airlines
Deal found 7/25![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/26. 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.
Mo 9/1412:00 pm
FAT
- MDW
1 stop6h 15m
Southwest
Mo 9/286:40 am
MDW
- FAT
1 stop6h 40m
Southwest
Deal found 7/26![Southwest logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 10/197:28 pm
FAT
- ORD
1 stop8h 12m
Alaska Airlines
Di 10/207:20 am
ORD
- FAT
1 stop9h 27m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Di 9/17:00 am
FAT
- ORD
Nonstop4h 06m
United Airlines
Di 9/88:00 pm
ORD
- FAT
Nonstop4h 31m
United Airlines
Deal found 7/25![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 7/30. 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.
Di 9/83:25 pm
FAT
- MDW
1 stop11h 05m
Southwest
Di 9/154:45 pm
MDW
- FAT
1 stop6h 15m
Southwest
Deal found 7/30![Southwest logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Mo 8/244:23 pm
FAT
- ORD
1 stop18h 59m
Alaska Airlines
Mo 8/318:17 pm
ORD
- FAT
1 stop29h 08m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 7/28. 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.
Sa 10/178:05 am
FAT
- MDW
1 stop8h 40m
Southwest
Sa 10/2411:00 am
MDW
- FAT
2 stops10h 10m
Southwest
Deal found 7/28![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fr 8/215:00 am
FAT
- ORD
1 stop8h 00m
United Airlines
So 8/238:00 pm
ORD
- FAT
Nonstop4h 31m
United Airlines
Deal found 7/29![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 8/2911:10 am
FAT
- MDW
2 stops9h 05m
Southwest
Di 9/110:20 am
MDW
- FAT
1 stop6h 25m
Southwest
Deal found 7/25![Southwest logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Di 11/1710:26 am
FAT
- ORD
2 stops17h 14m
Alaska Airlines
Fr 11/202:16 pm
ORD
- FAT
1 stop11h 41m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Mi 8/268:23 am
FAT
- PIA
2 stops10h 27m
United Airlines
Mi 9/25:45 am
PIA
- FAT
2 stops9h 47m
United Airlines
Deal found 7/29![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 7/26. 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.
Do 8/275:20 am
FAT
- MDW
2 stops9h 40m
Southwest
So 8/307:40 pm
MDW
- FAT
1 stop5h 55m
Southwest
Deal found 7/26![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 7/26. 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.
Fr 8/285:20 am
FAT
- MDW
2 stops8h 05m
Southwest
So 8/306:10 am
MDW
- FAT
1 stop7h 05m
Southwest
Deal found 7/26![Southwest logo]()
$364
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Fr 8/1412:53 pm
FAT
- SPI
2 stops9h 19m
American Airlines
Di 8/186:08 am
SPI
- FAT
2 stops11h 53m
American Airlines
Deal found 7/30![American Airlines logo]()
$671
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Do 10/1512:36 pm
FAT
- ORD
1 stop8h 10m
United Airlines
Do 10/227:55 pm
ORD
- FAT
Nonstop4h 33m
United Airlines
Deal found 7/29![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 12/311:25 am
FAT
- MDW
2 stops9h 10m
Southwest
Sa 12/512:55 pm
MDW
- FAT
2 stops9h 00m
Southwest
Deal found 7/27![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Mi 9/92:20 pm
FAT
- ORD
1 stop8h 39m
United Airlines
Mi 9/167:55 pm
ORD
- FAT
Nonstop4h 31m
United Airlines
Deal found 7/26![United Airlines logo]()
$448
This Southwest deal was found by Cheapflights users on 7/29. 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.
Do 8/205:20 am
FAT
- MDW
2 stops9h 40m
Southwest
Mo 8/2410:20 am
MDW
- FAT
1 stop8h 10m
Southwest
Deal found 7/29![Southwest logo]()
$374
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Mi 8/1212:53 pm
FAT
- SPI
2 stops9h 19m
American Airlines
So 8/162:51 pm
SPI
- FAT
2 stops9h 14m
American Airlines
Deal found 7/28![American Airlines logo]()
$760
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Do 8/202:12 pm
FAT
- ORD
1 stop6h 53m
United Airlines
Mo 8/247:56 pm
ORD
- FAT
Nonstop4h 31m
United Airlines
Deal found 7/29![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sa 12/51:18 pm
FAT
- PIA
1 stop5h 29m
United Airlines
Mi 12/91:20 pm
PIA
- FAT
2 stops12h 37m
United Airlines
Deal found 7/25![United Airlines logo]()
$464
Last-minute flights from Fresno to IllinoisDiscover last-minute flight deals from Fresno to Illinois. Data last updated Juli 30, 2026 and is based on user searches.
Discover last-minute flight deals from Fresno to Illinois. Data last updated Juli 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 8/172:08 pm
FAT
- ORD
1 stop13h 29m
Multiple Airlines
Fr 8/288:11 pm
ORD
- FAT
1 stop16h 05m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Di 8/184:22 pm
FAT
- ORD
1 stop24h 59m
Alaska Airlines
Do 9/32:18 pm
ORD
- FAT
1 stop7h 34m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Di 8/186:00 am
FAT
- ORD
1 stop29h 22m
Alaska Airlines
Mo 8/312:18 pm
ORD
- FAT
1 stop22h 11m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/192:33 pm
FAT
- STL
1 stop7h 09m
American Airlines
Sa 8/296:36 am
STL
- FAT
1 stop9h 07m
American Airlines
Deal found 7/26![American Airlines logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Mi 8/199:05 am
FAT
- ORD
1 stop8h 16m
Alaska Airlines
Sa 8/226:00 am
ORD
- FAT
1 stop11h 13m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Do 8/206:01 am
FAT
- ORD
1 stop11h 20m
Alaska Airlines
Di 8/252:18 pm
ORD
- FAT
1 stop27h 28m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 7/29. 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.
Do 8/2012:00 pm
FAT
- MDW
1 stop8h 00m
Southwest
Mo 8/2412:15 pm
MDW
- FAT
1 stop6h 15m
Southwest
Deal found 7/29![Southwest logo]()
$359
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mi 8/262:33 pm
FAT
- PIA
1 stop6h 46m
American Airlines
Mi 9/24:43 pm
PIA
- FAT
1 stop8h 36m
American Airlines
Deal found 7/29![American Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Do 8/2712:22 pm
FAT
- ORD
1 stop7h 38m
United Airlines
So 8/308:00 pm
ORD
- FAT
Nonstop4h 31m
United Airlines
Deal found 7/26![United Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 8/279:05 am
FAT
- ORD
1 stop8h 16m
Alaska Airlines
Mo 8/312:18 pm
ORD
- FAT
1 stop7h 34m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 7/26. 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.
Do 8/275:20 am
FAT
- MDW
2 stops9h 40m
Southwest
So 8/307:40 pm
MDW
- FAT
1 stop5h 55m
Southwest
Deal found 7/26![Southwest logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 8/2911:06 am
FAT
- ORD
2 stops24h 30m
Multiple Airlines
Mi 9/91:21 pm
ORD
- FAT
1 stop30h 14m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$356
One-way flights from Fresno to IllinoisSearch for one-way flight options from Fresno to Illinois. Find affordable one-way fares based on user searches. Data last updated Juli 30, 2026.
Search for one-way flight options from Fresno to Illinois. Find affordable one-way fares based on user searches. Data last updated Juli 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
So 9/136:25 pm
FAT
- ORD
1 stop9h 13m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Mo 8/173:35 pm
FAT
- ORD
2 stops20h 01m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
So 8/306:18 pm
FAT
- ORD
1 stop22h 44m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 8/166:53 pm
FAT
- ORD
2 stops27h 40m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$148
This Delta deal was found by Cheapflights users on 7/30. 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.
Mo 11/165:23 pm
FAT
- STL
1 stop5h 07m
Delta
Deal found 7/30![Delta logo]()
$150
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mi 8/2612:53 pm
FAT
- STL
2 stops8h 49m
American Airlines
Deal found 7/29![American Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Sa 10/173:18 pm
FAT
- ORD
1 stop12h 24m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
So 9/136:25 pm
FAT
- STL
1 stop14h 52m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Sa 8/153:04 pm
FAT
- STL
1 stop25h 11m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Fr 10/1610:23 pm
FAT
- STL
2 stops18h 52m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Do 10/14:23 pm
FAT
- STL
2 stops22h 47m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 8/173:35 pm
FAT
- MDW
2 stops17h 20m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$174
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 Juli 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $286 (Alaska Airlines) |
One-way from | $135 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $485 |
Good round-trip deal | $457 or less |
Good one-way deal | $284 or less |
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 Juli 30, 2026.
Use the filters below to find and compare flights from Fresno to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
FresnoSt. Louis
FAT - STL
FATSTL
Fresno Airterminal
Mo 9/14
4:23 pm-5:10 pm
2 stops22h 47m
Lambert-St Louis
Mo 9/21
7:36 pm-10:25 am
1 stop16h 49m
$286
FresnoSt. Louis
FAT - STL
FATSTL
Fresno Airterminal
Mo 11/2
12:03 pm-10:15 pm
1 stop8h 12m
Lambert-St Louis
Mo 11/9
4:39 pm-9:13 pm
1 stop6h 34m
$299
FresnoSt. Louis
FAT - STL
FATSTL
Fresno Airterminal
Do 10/1
3:20 pm-11:55 pm
1 stop6h 35m
Lambert-St Louis
Di 10/6
5:50 pm-9:30 pm
1 stop5h 40m
$299
FresnoSt. Louis
FAT - STL
FATSTL
Fresno Airterminal
Do 8/27
12:22 pm-8:46 pm
1 stop6h 24m
Lambert-St Louis
Do 9/3
1:36 pm-5:27 pm
1 stop5h 51m
$299
FresnoSt. Louis
FAT - STL
FATSTL
Fresno Airterminal
Do 10/1
4:23 pm-5:10 pm
2 stops22h 47m
Lambert-St Louis
Di 10/6
7:02 am-8:27 pm
2 stops15h 25m
$309
FresnoSt. Louis
FAT - STL
FATSTL
Fresno Airterminal
Di 10/27
2:07 pm-11:59 pm
1 stop7h 52m
Lambert-St Louis
Mi 10/28
7:02 am-1:11 pm
1 stop8h 09m
$319
FresnoSt. Louis
FAT - STL
FATSTL
Fresno Airterminal
Mo 9/14
2:50 pm-11:43 pm
1 stop6h 53m
Lambert-St Louis
Mo 9/21
5:11 pm-11:26 pm
1 stop8h 15m
$340
FresnoChicago
FAT - ORD
FATORD
Fresno Airterminal
Mi 9/2
6:15 am-2:36 pm
1 stop6h 21m
Chicago O'Hare Intl
Mi 9/9
7:55 pm-10:26 pm
Nonstop4h 31m
$349
FresnoChicago
FAT - ORD
FATORD
Fresno Airterminal
Mo 10/19
7:28 pm-5:40 am
1 stop8h 12m
Chicago O'Hare Intl
Di 10/20
7:20 am-2:47 pm
1 stop9h 27m
$353
FresnoChicago
FAT - ORD
FATORD
Fresno Airterminal
Mo 8/24
4:23 pm-1:22 pm
1 stop18h 59m
Chicago O'Hare Intl
Mo 8/31
8:17 pm-11:25 pm
1 stop29h 08m
$355
Showing 1-10 of 57 resultsSorted by cheapest first
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.
FAT-STL
FAT-ORD
FAT-MDW
FAT-PIA
FAT-SPI
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
FAT-USIL
FAT-STL
FAT-ORD
FAT-MDW
FAT-PIA
What is the cheapest month to book a flight from Fresno to Illinois?
Currently, February is the cheapest month in which you can book a flight from Fresno to Illinois (average of $296). Flying from Fresno to Illinois in July is currently the most expensive (average of $494). 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 Juli 30, 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.
Weekly flight availability from Fresno to Illinois
Explore weekly flight availability from Fresno to Illinois. 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 Juli 30, 2026.
The most flights from FAT to USIL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Fresno to Illinois?
Airfare is typical for this route at the moment.
Fresno to Illinois flights typically cost between $348 and $537 in August.The cheapest round-trip price found within the last 5 days was $349 on United Airlines (Aug 27-Aug 30).
How far ahead should I book a flight from Fresno to Illinois?
The best time to book flights from Fresno to Illinois is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 Juli 30, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta 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.
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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.
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Alternative routes for Fresno to Illinois
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Complete your trip
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Fresno and Illinois flights
Browse other Fresno and Illinois flight options. Last updated on Juli 30, 2026.
Popular flight searches
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Fresno to Illinois flights
Consider these flights traveling from Fresno to Illinois.
Top 4 airlines flying from Fresno to Illinois
Discover the top 4 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 Juli 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$243 | Average$435 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$347 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$277 | Average$491 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$287 | Average$446 | FlexibilityNo cancel fee | On-time69% |