$119+ Cheap flights from Sacramento (SMF) 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — ORD
Aug 13 — Aug 201
Round-trip
1 adult, Economy
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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 July 14, 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 July 14, 2026.
This Orbitz deal was found by Cheapflights users on 7/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:15 pm
SMF
- STL
1 stop14h 36m
Frontier
Wed 9/1612:46 pm
STL
- SMF
1 stop25h 48m
Frontier
Deal found 7/13![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 7/14. 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.
Thu 10/87:15 pm
SMF
- STL
1 stop28h 02m
Frontier
Mon 10/125:19 pm
STL
- SMF
1 stop27h 44m
Frontier
Deal found 7/14![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 7/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:07 pm
SMF
- STL
1 stop23h 08m
Frontier
Wed 8/128:08 pm
STL
- SMF
1 stop14h 28m
Frontier
Deal found 7/10![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Wed 8/128:08 pm
SMF
- STL
2 stops21h 15m
Frontier
Sun 8/167:10 pm
STL
- SMF
1 stop25h 39m
Frontier
Deal found 7/10![Frontier logo]()
$304
This Orbitz deal was found by Cheapflights users on 7/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:15 pm
SMF
- STL
1 stop14h 36m
Frontier
Wed 9/3012:46 pm
STL
- SMF
1 stop8h 17m
Frontier
Deal found 7/13![Frontier logo]()
$314
This CheapOair deal was found by Cheapflights users on 7/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3111:25 am
SMF
- STL
1 stop5h 58m
Frontier
Wed 8/127:03 pm
STL
- SMF
1 stop25h 46m
Frontier
Deal found 7/9![Frontier logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Tue 9/157:15 pm
SMF
- STL
1 stop14h 36m
Frontier
Wed 9/3010:35 am
STL
- SMF
2 stops27h 59m
Frontier
Deal found 7/12![Frontier logo]()
$334
This Southwest deal was found by Cheapflights users on 7/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:15 pm
SMF
- STL
Nonstop3h 35m
Southwest
Wed 9/308:35 am
STL
- SMF
Nonstop4h 00m
Southwest
Deal found 7/12![Southwest logo]()
$337
This American Airlines deal was found by Cheapflights users on 7/11. 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.
Wed 8/53:13 pm
SMF
- MLI
1 stop6h 55m
American Airlines
Tue 9/111:32 am
MLI
- SMF
1 stop8h 36m
American Airlines
Deal found 7/11![American Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 7/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:55 pm
SMF
- STL
1 stop5h 40m
Southwest
Mon 8/318:25 am
STL
- SMF
Nonstop4h 00m
Southwest
Deal found 7/13![Southwest logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Wed 9/167:15 pm
SMF
- PIA
1 stop21h 28m
Multiple Airlines
Sun 9/209:53 pm
PIA
- SMF
1 stop16h 41m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$344
This Expedia deal was found by Cheapflights users on 7/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:42 am
SMF
- STL
1 stop5h 31m
Frontier
Sat 9/1212:46 pm
STL
- SMF
1 stop25h 48m
Frontier
Deal found 7/12![Frontier logo]()
$344
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 July 14, 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 July 14, 2026.
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:13 pm
SMF
- MLI
1 stop6h 55m
American Airlines
Wed 8/1911:32 am
MLI
- SMF
1 stop8h 36m
American Airlines
Deal found 7/13![American Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 7/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:55 pm
SMF
- STL
1 stop5h 40m
Southwest
Mon 8/318:25 am
STL
- SMF
Nonstop4h 00m
Southwest
Deal found 7/13![Southwest logo]()
$342
This Delta deal was found by Cheapflights users on 7/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:30 am
SMF
- STL
1 stop6h 08m
Delta
Tue 9/13:39 pm
STL
- SMF
1 stop7h 29m
Delta
Deal found 7/12![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:43 pm
SMF
- PIA
1 stop8h 23m
United Airlines
Sun 8/165:45 am
PIA
- SMF
1 stop8h 06m
United Airlines
Deal found 7/13![United Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Thu 8/276:29 pm
SMF
- RFD
2 stops14h 54m
Multiple Airlines
Sun 8/309:35 pm
RFD
- SMF
1 stop23h 17m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 7/11. 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.
Thu 8/1310:14 pm
SMF
- STL
1 stop7h 54m
Delta
Tue 8/183:50 pm
STL
- SMF
1 stop6h 45m
Delta
Deal found 7/11![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 7/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:25 pm
SMF
- STL
2 stops7h 30m
Southwest
Mon 10/55:05 am
STL
- SMF
1 stop6h 05m
Southwest
Deal found 7/13![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Sun 9/612:57 pm
SMF
- ORD
1 stop7h 49m
United Airlines
Tue 9/88:08 pm
ORD
- SMF
Nonstop4h 38m
United Airlines
Deal found 7/10![United Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/243:05 pm
SMF
- BMI
1 stop7h 30m
American Airlines
Thu 7/304:30 pm
BMI
- SMF
1 stop9h 29m
American Airlines
Deal found 7/9![American Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:21 am
SMF
- BMI
2 stops11h 55m
Delta
Wed 8/2612:09 pm
BMI
- SMF
2 stops12h 57m
Delta
Deal found 7/13![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 7/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:23 pm
SMF
- ORD
Nonstop4h 15m
United Airlines
Sun 8/303:40 pm
ORD
- SMF
Nonstop4h 38m
United Airlines
Deal found 7/13![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 7/10. 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 11/116:15 am
SMF
- MDW
Nonstop3h 55m
Southwest
Sat 11/146:15 pm
MDW
- SMF
Nonstop4h 40m
Southwest
Deal found 7/10![Southwest logo]()
$401
This Delta deal was found by Cheapflights users on 7/9. 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.
Thu 12/39:45 am
SMF
- ORD
2 stops7h 49m
Delta
Sun 12/67:00 am
ORD
- SMF
1 stop7h 24m
Delta
Deal found 7/9![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/10. 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 8/142:23 pm
SMF
- ORD
Nonstop4h 15m
United Airlines
Mon 8/175:52 pm
ORD
- SMF
1 stop7h 07m
United Airlines
Deal found 7/10![United Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:21 pm
SMF
- MLI
1 stop6h 57m
American Airlines
Mon 9/214:33 pm
MLI
- SMF
1 stop9h 01m
American Airlines
Deal found 7/14![American Airlines logo]()
$440
This Southwest deal was found by Cheapflights users on 7/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:20 am
SMF
- MDW
Nonstop3h 55m
Southwest
Tue 8/2510:10 am
MDW
- SMF
2 stops7h 30m
Southwest
Deal found 7/13![Southwest logo]()
$408
This Delta deal was found by Cheapflights users on 7/9. 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.
Thu 9/246:47 pm
SMF
- ORD
2 stops11h 10m
Delta
Sun 9/277:40 pm
ORD
- SMF
1 stop6h 11m
Delta
Deal found 7/9![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 7/11. 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.
Fri 7/313:05 pm
SMF
- BMI
1 stop7h 30m
American Airlines
Tue 8/44:30 pm
BMI
- SMF
1 stop9h 29m
American Airlines
Deal found 7/11![American Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 7/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:20 am
SMF
- MLI
1 stop6h 25m
United Airlines
Sat 8/298:14 am
MLI
- SMF
2 stops14h 31m
United Airlines
Deal found 7/12![United Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 7/10. 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 11/2011:55 pm
SMF
- MDW
Nonstop3h 50m
Southwest
Wed 11/259:55 am
MDW
- SMF
Nonstop4h 35m
Southwest
Deal found 7/10![Southwest logo]()
$439
This Delta deal was found by Cheapflights users on 7/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:22 am
SMF
- ORD
2 stops9h 57m
Delta
Wed 8/122:00 pm
ORD
- SMF
2 stops11h 06m
Delta
Deal found 7/12![Delta logo]()
$408
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:05 pm
SMF
- BMI
1 stop7h 30m
American Airlines
Sat 8/16:00 pm
BMI
- SMF
1 stop7h 38m
American Airlines
Deal found 7/13![American Airlines logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Sat 7/254:28 pm
SMF
- RFD
1 stop17h 56m
Multiple Airlines
Thu 7/301:14 pm
RFD
- SMF
1 stop7h 35m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$635
This United Airlines deal was found by Cheapflights users on 7/9. 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 8/227:30 am
SMF
- PAH
1 stop9h 40m
United Airlines
Wed 8/265:00 am
PAH
- SMF
1 stop8h 51m
United Airlines
Deal found 7/9![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 7/10. 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.
Wed 9/2312:03 pm
SMF
- MDW
1 stop8h 42m
Delta
Sun 10/42:00 pm
MDW
- SMF
1 stop8h 39m
Delta
Deal found 7/10![Delta logo]()
$415
This United Airlines deal was found by Cheapflights users on 7/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:30 am
SMF
- PAH
1 stop9h 40m
United Airlines
Tue 8/255:00 am
PAH
- SMF
2 stops10h 52m
United Airlines
Deal found 7/13![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 7/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:55 pm
SMF
- MDW
1 stop6h 45m
Southwest
Mon 9/77:10 am
MDW
- SMF
1 stop7h 30m
Southwest
Deal found 7/11![Southwest logo]()
$497
This Delta deal was found by Cheapflights users on 7/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am
SMF
- ORD
2 stops10h 08m
Delta
Sun 10/183:40 pm
ORD
- SMF
1 stop8h 23m
Delta
Deal found 7/12![Delta logo]()
$422
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Sat 7/257:00 am
SMF
- BMI
2 stops14h 09m
American Airlines
Thu 7/306:04 pm
BMI
- SMF
1 stop7h 30m
American Airlines
Deal found 7/10![American Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 7/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:00 am
SMF
- STL
1 stop5h 40m
United Airlines
Wed 8/126:15 am
STL
- SMF
1 stop7h 49m
United Airlines
Deal found 7/13![United Airlines logo]()
$447
Last-minute flights from Sacramento to IllinoisDiscover last-minute flight deals from Sacramento to Illinois. Data last updated July 14, 2026 and is based on user searches.
Discover last-minute flight deals from Sacramento to Illinois. Data last updated July 14, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3111:25 am
SMF
- STL
1 stop5h 58m
Frontier
Wed 8/127:03 pm
STL
- SMF
1 stop25h 46m
Frontier
Deal found 7/9![Frontier logo]()
$330
This CheapOair deal was found by Cheapflights users on 7/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:07 pm
SMF
- STL
1 stop23h 08m
Frontier
Wed 8/128:08 pm
STL
- SMF
1 stop14h 28m
Frontier
Deal found 7/10![Frontier logo]()
$300
This American Airlines deal was found by Cheapflights users on 7/11. 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.
Wed 8/53:13 pm
SMF
- MLI
1 stop6h 55m
American Airlines
Tue 9/111:32 am
MLI
- SMF
1 stop8h 36m
American Airlines
Deal found 7/11![American Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 7/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:43 pm
SMF
- PIA
1 stop8h 23m
United Airlines
Sun 8/165:45 am
PIA
- SMF
1 stop8h 06m
United Airlines
Deal found 7/13![United Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Wed 8/128:08 pm
SMF
- STL
2 stops21h 15m
Frontier
Sun 8/167:10 pm
STL
- SMF
1 stop25h 39m
Frontier
Deal found 7/10![Frontier logo]()
$304
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:59 pm
SMF
- STL
1 stop6h 43m
American Airlines
Tue 8/186:36 am
STL
- SMF
1 stop9h 19m
American Airlines
Deal found 7/9![American Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 7/14. 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 8/138:15 am
SMF
- MDW
1 stop7h 05m
Southwest
Mon 8/175:00 pm
MDW
- SMF
2 stops7h 30m
Southwest
Deal found 7/14![Southwest logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/147:44 pm
SMF
- ORD
1 stop8h 33m
Multiple Airlines
Fri 8/212:18 pm
ORD
- SMF
1 stop7h 06m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:13 pm
SMF
- BMI
1 stop6h 46m
American Airlines
Wed 8/264:49 pm
BMI
- SMF
1 stop8h 21m
American Airlines
Deal found 7/13![American Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:55 pm
SMF
- STL
1 stop5h 40m
Southwest
Mon 8/318:25 am
STL
- SMF
Nonstop4h 00m
Southwest
Deal found 7/13![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 7/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:17 pm
SMF
- STL
1 stop5h 14m
United Airlines
Sat 8/293:32 pm
STL
- SMF
1 stop9h 16m
United Airlines
Deal found 7/13![United Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 7/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:10 am
SMF
- STL
1 stop7h 55m
Southwest
Sat 8/299:40 am
STL
- SMF
2 stops8h 35m
Southwest
Deal found 7/13![Southwest logo]()
$352
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 July 14, 2026.
Search for one-way flight options from Sacramento to Illinois. Find affordable one-way fares based on user searches. Data last updated July 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 9/97:58 pm
SMF
- STL
2 stops21h 17m
Frontier
Deal found 7/13![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 7/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:25 am
SMF
- STL
1 stop7h 58m
Frontier
Deal found 7/13![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:07 pm
SMF
- MLI
1 stop16h 34m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:08 pm
SMF
- STL
2 stops21h 15m
Frontier
Deal found 7/11![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:44 pm
SMF
- STL
2 stops21h 39m
Frontier
Deal found 7/11![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Mon 10/127:58 pm
SMF
- STL
2 stops21h 17m
Frontier
Deal found 7/13![Frontier logo]()
$146
This Orbitz deal was found by Cheapflights users on 7/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:07 pm
SMF
- STL
1 stop23h 08m
Frontier
Deal found 7/10![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:15 pm
SMF
- STL
1 stop14h 36m
Frontier
Deal found 7/11![Frontier logo]()
$153
This Trip.com deal was found by Cheapflights users on 7/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:07 pm
SMF
- STL
1 stop22h 58m
Frontier
Deal found 7/10![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:15 pm
SMF
- MDW
2 stops14h 52m
Frontier
Deal found 7/11![Frontier logo]()
$179
This Southwest deal was found by Cheapflights users on 7/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:40 pm
SMF
- MDW
1 stop6h 45m
Southwest
Deal found 7/11![Southwest logo]()
$180
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:17 pm
SMF
- ORD
1 stop7h 43m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$180
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 July 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Orbitz) |
One-way from | $119 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $445 |
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 2,558,603 searches. Data last updated July 14, 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
SacramentoMoline
SMF - MLI
SMFMLI
Sacramento Intl
Wed 8/12
3:13 pm-12:08 am
1 stop6h 55m
Moline Quad-City
Wed 8/19
11:32 am-6:08 pm
1 stop8h 36m
$340
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Thu 8/27
4:55 pm-12:35 am
1 stop5h 40m
Lambert-St Louis
Mon 8/31
8:25 am-10:25 am
Nonstop4h 00m
$342
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Sat 8/29
5:30 am-1:38 pm
1 stop6h 08m
Lambert-St Louis
Tue 9/1
3:39 pm-9:08 pm
1 stop7h 29m
$347
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Thu 8/13
10:14 pm-8:08 am
1 stop7h 54m
Lambert-St Louis
Tue 8/18
3:50 pm-8:35 pm
1 stop6h 45m
$347
SacramentoPeoria
SMF - PIA
SMFPIA
Sacramento Intl
Mon 8/10
11:43 pm-10:06 am
1 stop8h 23m
Greater Peoria
Sun 8/16
5:45 am-11:51 am
1 stop8h 06m
$349
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Thu 10/1
2:25 pm-11:55 pm
2 stops7h 30m
Lambert-St Louis
Mon 10/5
5:05 am-9:10 am
1 stop6h 05m
$352
SacramentoBloomington
SMF - BMI
SMFBMI
Sacramento Intl
Fri 8/21
9:21 am-11:16 pm
2 stops11h 55m
Bloomington-Normal
Wed 8/26
12:09 pm-11:06 pm
2 stops12h 57m
$359
SacramentoChicago
SMF - ORD
SMFORD
Sacramento Intl
Sun 9/6
12:57 pm-10:46 pm
1 stop7h 49m
Chicago O'Hare Intl
Tue 9/8
8:08 pm-10:46 pm
Nonstop4h 38m
$373
SacramentoBloomington
SMF - BMI
SMFBMI
Sacramento Intl
Fri 7/24
3:05 pm-12:35 am
1 stop7h 30m
Bloomington-Normal
Thu 7/30
4:30 pm-11:59 pm
1 stop9h 29m
$384
SacramentoChicago
SMF - RFD
SMFRFD
Sacramento Intl
Thu 8/27
6:29 pm-11:23 am
2 stops14h 54m
Chicago Greater Rockford
Sun 8/30
9:35 pm-6:52 pm
1 stop23h 17m
$386
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-MLI
SMF-BMI
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-MLI
SMF-BMI
SMF-PIA
What is the cheapest month to book a flight from Sacramento to Illinois?
Currently, September is the cheapest month in which you can book a flight from Sacramento to Illinois (average of $84). Flying from Sacramento to Illinois in November is currently the most expensive (average of $205). 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 July 14, 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 7% 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 July 14, 2026.
The most flights from SMF to USIL are scheduled on a Sunday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Sacramento to Illinois?
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 56 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 July 11, 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. Saturday at noon 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 July 14, 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.
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
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
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Sacramento to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Sacramento and Illinois flights
Browse other Sacramento and Illinois flight options. Last updated on July 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 2,558,603 searches. Data last updated July 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$165 | Average$275 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$288 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$190 | Average$345 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$205 | Average$468 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$307 | Average$505 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$335 | Average$508 | FlexibilityNo cancel fee | On-time63% |