$98+ Cheap flights from Sacramento (SMF) to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — ORD
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from Sacramento to Illinois with Cheapflights
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Cheapest flights from Sacramento to IllinoisExplore the most affordable flight options available from Sacramento to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from Sacramento to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:05 pm -
1 stop5h 09m
Mon 11/97:59 pm -
1 stop17h 05m
Deal found 9/8![Frontier logo]()
$195
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:52 am -
1 stop25h 32m
Fri 10/238:00 pm -
1 stop16h 57m
Deal found 9/8![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates ” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:53 am -
1 stop10h 06m
Fri 10/168:00 pm -
1 stop16h 57m
Deal found 9/8![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:53 am -
1 stop10h 06m
Mon 10/126:35 pm -
2 stops18h 22m
Deal found 9/8![Frontier logo]()
$250
This Trip.com deal was found by Cheapflights users on 9/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:53 am -
1 stop10h 06m
Wed 10/144:19 pm -
1 stop20h 38m
Deal found 9/8![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:29 pm -
1 stop15h 02m
Fri 10/161:30 pm -
1 stop7h 23m
Deal found 9/8![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:59 am -
2 stops22h 34m
Mon 11/97:59 pm -
1 stop17h 05m
Deal found 9/9![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/611:53 am -
1 stop29h 24m
Fri 10/168:00 pm -
1 stop16h 57m
Deal found 9/8![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:53 am -
1 stop10h 06m
Sat 10/177:42 pm -
2 stops14h 20m
Deal found 9/8![Frontier logo]()
$266
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:38 pm -
1 stop8h 56m
Thu 10/158:01 pm -
1 stop23h 33m
Deal found 9/11![Frontier logo]()
$347
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/292:07 pm -
1 stop8h 04m
Sat 10/315:03 pm -
1 stop8h 56m
Deal found 9/10![American Airlines logo]()
$350
This Frontier deal was found by Cheapflights users on 9/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:35 am -
1 stop10h 48m
Mon 9/288:55 pm -
1 stop12h 54m
Deal found 9/7![Frontier logo]()
$354
Best flights from Sacramento to IllinoisDiscover carefully curated flight deals from Sacramento to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Sacramento to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/81:57 pm -
1 stop8h 14m
Wed 10/145:03 pm -
1 stop8h 56m
Deal found 9/8![American Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 10/299:46 am -
2 stops10h 44m
Sat 10/311:00 pm -
1 stop10h 31m
Deal found 9/10![Delta logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:37 am -
1 stop9h 36m
Sun 10/49:36 pm -
1 stop23h 23m
Deal found 9/8![Multiple Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/102:25 pm -
Nonstop4h 12m
Tue 10/204:10 pm -
Nonstop4h 38m
Deal found 9/7![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 9/10. 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 10/72:55 pm -
1 stop6h 55m
Thu 10/810:30 pm -
Nonstop4h 35m
Deal found 9/10![Southwest logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:10 pm -
1 stop8h 49m
Sat 10/176:02 am -
2 stops18h 27m
Deal found 9/8![Alaska Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/292:07 pm -
1 stop8h 04m
Sat 10/315:03 pm -
1 stop8h 56m
Deal found 9/12![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 10/155:05 pm -
1 stop5h 39m
Sat 10/177:45 am -
2 stops11h 12m
Deal found 9/10![Delta logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:37 am -
1 stop10h 02m
Sun 9/279:29 pm -
1 stop23h 30m
Deal found 9/8![Multiple Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 12/242:15 pm -
Nonstop4h 17m
Fri 1/15:45 pm -
1 stop7h 01m
Deal found 9/8![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 9/9. 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 10/68:45 pm -
2 stops12h 41m
Tue 10/2712:13 pm -
2 stops12h 17m
Deal found 9/9![Delta logo]()
$369
This Southwest deal was found by Cheapflights users on 9/10. 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.
Mon 10/55:20 pm -
1 stop5h 55m
Tue 10/136:55 am -
2 stops8h 15m
Deal found 9/10![Southwest logo]()
$408
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/151:57 pm -
1 stop8h 13m
Mon 10/195:30 pm -
1 stop8h 29m
Deal found 9/11![American Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:57 am -
1 stop9h 16m
Sun 10/119:33 pm -
1 stop18h 50m
Deal found 9/10![Multiple Airlines logo]()
$386
This Alaska Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:10 pm -
1 stop8h 49m
Wed 10/147:02 am -
1 stop8h 57m
Deal found 9/8![Alaska Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 10/1610:40 pm -
1 stop9h 38m
Tue 10/206:00 am -
2 stops15h 37m
Deal found 9/11![Delta logo]()
$375
This Southwest deal was found by Cheapflights users on 9/10. 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.
Fri 10/305:20 pm -
1 stop5h 55m
Fri 11/65:20 pm -
2 stops7h 35m
Deal found 9/10![Southwest logo]()
$418
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:57 pm -
1 stop8h 14m
Mon 10/125:03 pm -
1 stop8h 56m
Deal found 9/8![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 9/9. 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 2/68:50 am -
2 stops12h 30m
Tue 2/98:50 am -
2 stops11h 19m
Deal found 9/9![United Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 10/67:00 am -
2 stops14h 59m
Sat 10/106:02 am -
2 stops15h 20m
Deal found 9/8![Alaska Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:57 am -
1 stop8h 33m
Sun 10/258:53 pm -
1 stop24h 00m
Deal found 9/12![Multiple Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 9/11. 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 10/127:18 pm -
2 stops13h 00m
Tue 10/206:00 am -
2 stops15h 37m
Deal found 9/11![Delta logo]()
$380
This Southwest deal was found by Cheapflights users on 9/9. 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 9/238:00 am -
2 stops7h 10m
Wed 9/306:40 am -
1 stop5h 45m
Deal found 9/9![Southwest logo]()
$438
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/1011:00 pm -
2 stops12h 41m
Sat 11/145:30 am -
1 stop8h 30m
Deal found 9/10![United Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:19 pm -
1 stop23h 11m
Mon 11/210:44 am -
2 stops26h 20m
Deal found 9/13![Multiple Airlines logo]()
$435
This Southwest deal was found by Cheapflights users on 9/9. 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 10/82:25 pm -
2 stops7h 30m
Tue 10/202:25 pm -
2 stops7h 55m
Deal found 9/9![Southwest logo]()
$447
This Delta deal was found by Cheapflights users on 9/7. 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 12/167:05 am -
2 stops12h 51m
Sat 1/26:00 am -
1 stop7h 33m
Deal found 9/7![Delta logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:13 am -
2 stops13h 46m
Sat 10/106:02 am -
2 stops13h 18m
Deal found 9/11![Alaska Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/302:15 pm -
1 stop6h 58m
Tue 11/38:41 am -
1 stop6h 20m
Deal found 9/10![United Airlines logo]()
$459
This Southwest deal was found by Cheapflights users on 9/9. 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.
Fri 10/95:20 pm -
1 stop5h 55m
Fri 10/167:15 pm -
1 stop7h 25m
Deal found 9/9![Southwest logo]()
$450
Last-minute flights from Sacramento to IllinoisDiscover last-minute flight deals from Sacramento to Illinois. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Sacramento to Illinois. Data last updated September 13, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 9/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:35 am -
1 stop10h 48m
Mon 9/288:55 pm -
1 stop12h 54m
Deal found 9/7![Frontier logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/611:53 am -
1 stop29h 24m
Fri 10/168:00 pm -
1 stop16h 57m
Deal found 9/8![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:53 am -
1 stop10h 06m
Fri 10/168:00 pm -
1 stop16h 57m
Deal found 9/8![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:53 am -
1 stop10h 06m
Mon 10/126:35 pm -
2 stops18h 22m
Deal found 9/8![Frontier logo]()
$250
This Trip.com deal was found by Cheapflights users on 9/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:53 am -
1 stop10h 06m
Wed 10/144:19 pm -
1 stop20h 38m
Deal found 9/8![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:53 am -
1 stop10h 06m
Sat 10/177:42 pm -
2 stops14h 20m
Deal found 9/8![Frontier logo]()
$266
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:38 pm -
1 stop8h 56m
Thu 10/158:01 pm -
1 stop23h 33m
Deal found 9/11![Frontier logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:29 pm -
1 stop15h 02m
Fri 10/161:30 pm -
1 stop7h 23m
Deal found 9/8![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:52 am -
1 stop29h 05m
Mon 10/196:35 pm -
2 stops18h 22m
Deal found 9/10![Frontier logo]()
$273
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:52 am -
1 stop25h 32m
Fri 10/238:00 pm -
1 stop16h 57m
Deal found 9/8![Frontier logo]()
$229
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/292:07 pm -
1 stop8h 04m
Sat 10/315:03 pm -
1 stop8h 56m
Deal found 9/10![American Airlines logo]()
$350
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:05 pm -
1 stop5h 09m
Mon 11/97:59 pm -
1 stop17h 05m
Deal found 9/8![Frontier logo]()
$195
One-way flights from Sacramento to IllinoisSearch for one-way flight options from Sacramento to Illinois. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Sacramento to Illinois. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:04 pm -
1 stop5h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$98
This Priceline deal was found by Cheapflights users on 9/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:53 am -
1 stop10h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$103
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:59 am -
1 stop25h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/2011:52 am -
1 stop25h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 10/611:53 am -
1 stop29h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 11/712:05 pm -
1 stop5h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:04 pm -
1 stop29h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Thu 11/512:04 pm -
1 stop29h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:52 am -
1 stop29h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 9/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:23 pm -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$169
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:57 pm -
1 stop13h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 9/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:19 pm -
1 stop8h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$177
Find flight deals from Sacramento to Illinois
Keep the following information in mind while searching for Sacramento to Illinois flight deals. Data was last updated September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $195 (Expedia) |
One-way from | $98 (Expedia) |
Popular in | July |
Cheapest in | February |
Average price | $373 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sacramento 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 7,457,451 searches. Data last updated September 13, 2026.
Use the filters below to find and compare flights from Sacramento to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SacramentoSt. Louis
SMF Sacramento Intl - STL Lambert-St Louis
SMFSTL
Sacramento Intl
Wed 10/7
11:53 am-11:59 pm
1 stop10h 06m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$113
SacramentoSt. Louis
SMF Sacramento Intl - STL Lambert-St Louis
SMFSTL
Sacramento Intl
Tue 10/6
11:53 am-7:17 pm
1 stop29h 24m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$138
SacramentoSt. Louis
SMF Sacramento Intl - STL Lambert-St Louis
SMFSTL
Sacramento Intl
Tue 11/10
7:05 am-9:18 pm
2 stops12h 13m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$147
SacramentoSt. Louis
SMF Sacramento Intl - STL Lambert-St Louis
SMFSTL
Sacramento Intl
Wed 12/9
7:05 am-9:28 pm
2 stops12h 23m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$147
SacramentoSt. Louis
SMF Sacramento Intl - STL Lambert-St Louis
SMFSTL
Sacramento Intl
Mon 11/9
3:13 pm-5:40 pm
2 stops48h 27m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$149
SacramentoSt. Louis
SMF Sacramento Intl - STL Lambert-St Louis
SMFSTL
Sacramento Intl
Mon 11/9
7:43 pm-9:25 am
2 stops11h 42m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$152
SacramentoChicago
SMF Sacramento Intl - ORD Chicago O'Hare Intl
SMFORD
Sacramento Intl
Fri 12/11
2:56 pm-11:59 pm
1 stop7h 03m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$179
SacramentoChicago
SMF Sacramento Intl - ORD Chicago O'Hare Intl
SMFORD
Sacramento Intl
Mon 12/21
11:53 pm-6:10 am
Nonstop4h 17m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
SacramentoPeoria
SMF Sacramento Intl - PIA Greater Peoria
SMFPIA
Sacramento Intl
Fri 10/2
11:38 am-10:01 am
2 stops20h 23m
Greater Peoria
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$192
SacramentoChicago
SMF Sacramento Intl - ORD Chicago O'Hare Intl
SMFORD
Sacramento Intl
Thu 10/8
7:00 am-11:59 pm
1 stop14h 59m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$197
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Sacramento to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Sacramento with our price prediction graph.
SMF-STL
SMF-ORD
SMF-MLI
SMF-PIA
SMF-MDW
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 Sacramento to Illinois
SMF-USIL
SMF-STL
SMF-ORD
SMF-MLI
SMF-PIA
What is the cheapest month to book a flight from Sacramento to Illinois?
Currently, January is the cheapest month in which you can book a flight from Sacramento to Illinois (average of $409). Flying from Sacramento to Illinois in July is currently the most expensive (average of $518). 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 SMF to IL?
Find hourly flight availability from Sacramento 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 September 13, 2026.
A simple way to save on the total cost of your ticket is to fly from Sacramento to Illinois in the evening. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the afternoon.
Weekly flight availability from Sacramento to Illinois
Explore weekly flight availability from Sacramento 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 September 13, 2026.
The most flights from SMF to USIL are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Sacramento to Illinois?
Airfare is below average for this route at the moment.
Sacramento to Illinois flights typically cost between $397 and $547 in October.The cheapest round-trip price found within the last 5 days was $347 on Frontier (Oct 12-Oct 15).
How far ahead should I book a flight from Sacramento to Illinois?
To ensure you get the cheapest price possible for a flight from Sacramento to Illinois, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Sacramento to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Sacramento to Illinois. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Sacramento to Illinois flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 September 13, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Sacramento 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.
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
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 Sacramento 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 Sacramento to Illinois
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Complete your trip
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Sacramento and Illinois flights
Browse other Sacramento and Illinois flight options. Last updated on September 13, 2026.
Popular flight searches
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Sacramento to Illinois flights
Consider these flights traveling from Sacramento to Illinois.
Top 6 airlines flying from Sacramento to Illinois
Discover the top 6 airlines that operate flights from Sacramento 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 7,457,451 searches. Data last updated September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$169 | Average$323 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$288 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$190 | Average$352 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$308 | Average$500 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$320 | Average$553 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$380 | Average$507 | FlexibilityNo cancel fee | On-time63% |