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$104+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — ORD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Sacramento to Illinois

Keep the following information in mind while searching for Sacramento to Illinois flight deals. Data was last updated junio 12, 2025.

Round-trip from

$243
(Mytrip)

One-way from

$104
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$354
From Sacramento Intl to Illinois
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One-way flight from Sacramento Intl to Illinois
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Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Sacramento to Illinois

Cheapest flights from Sacramento to Illinois
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 junio 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/912:01 pmSMF - STL
2 stops19h 51mSpirit Airlines
lun. 7/1410:47 amSTL - SMF
2 stops33h 40mSpirit Airlines
Deal found 6/12$243
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/263:44 pmSMF - MDW
1 stop21h 12mFrontier
lun. 6/306:25 amMDW - SMF
1 stop13h 28mFrontier
Deal found 6/12$256
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/2810:19 amSMF - ORD
2 stops18h 32mSpirit Airlines
lun. 6/304:28 pmORD - SMF
3 stops28h 21mSpirit Airlines
Deal found 6/12$256
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/205:30 amSMF - RFD
2 stops30h 46mMultiple Airlines
dom. 8/2412:58 pmRFD - SMF
1 stop12h 58mMultiple Airlines
Deal found 6/11$265
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/257:44 pmSMF - MLI
1 stop14h 02mMultiple Airlines
dom. 6/2912:36 pmMLI - SMF
1 stop25h 38mMultiple Airlines
Deal found 6/10$268
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 9/53:10 pmSMF - ORD
2 stops13h 53mAlaska Airlines
mar. 9/98:00 amORD - SMF
2 stops10h 13mAlaska Airlines
Deal found 6/11$273
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/412:15 pmSMF - ORD
1 stop9h 44mMultiple Airlines
mar. 7/810:15 pmORD - SMF
1 stop14h 51mMultiple Airlines
Deal found 6/11$277
This American Airlines deal was found by Cheapflights users on 6/12. 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.
sáb. 10/113:05 pmSMF - PIA
1 stop6h 22mAmerican Airlines
sáb. 10/183:43 pmPIA - SMF
1 stop6h 48mAmerican Airlines
Deal found 6/12$289
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/1111:45 pmSMF - MLI
1 stop8h 37mUnited Airlines
dom. 7/135:20 pmMLI - SMF
1 stop7h 23mUnited Airlines
Deal found 6/11$289
This American Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 8/1311:55 pmSMF - MLI
1 stop8h 17mAmerican Airlines
sáb. 8/1610:42 amMLI - SMF
2 stops9h 55mAmerican Airlines
Deal found 6/10$294
This Delta deal was found by Cheapflights users on 6/10. 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.
mié. 8/1310:05 amSMF - MLI
2 stops10h 43mDelta
sáb. 8/166:00 amMLI - SMF
2 stops14h 15mDelta
Deal found 6/10$299
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/193:44 pmSMF - ORD
1 stop27h 12mFrontier
dom. 6/229:56 pmORD - SMF
1 stop21h 57mFrontier
Deal found 6/10$306

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 junio 12, 2025.
Use the filters below to find and compare flights from Sacramento to Illinois that are best for you.

Fly from

Sacramento

Fly to

Illinois

Route

Depart

Return

Price

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

mié. 7/9

12:01 pm-9:52 am

2 stops19h 51m

Lambert-St Louis

lun. 7/14

10:47 am-6:27 pm

2 stops33h 40m

$243

SacramentoChicago

SMF - MDW

SMFMDW

Sacramento Intl

jue. 6/26

3:44 pm-2:56 pm

1 stop21h 12m

Chicago Midway

lun. 6/30

6:25 am-5:53 pm

1 stop13h 28m

$256

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

sáb. 6/28

10:19 am-6:51 am

2 stops18h 32m

Chicago O'Hare Intl

lun. 6/30

4:28 pm-6:49 pm

3 stops28h 21m

$256

SacramentoChicago

SMF - RFD

SMFRFD

Sacramento Intl

mié. 8/20

5:30 am-2:16 pm

2 stops30h 46m

Chicago Greater Rockford

dom. 8/24

12:58 pm-11:56 pm

1 stop12h 58m

$265

SacramentoMoline

SMF - MLI

SMFMLI

Sacramento Intl

mié. 6/25

7:44 pm-11:46 am

1 stop14h 02m

Moline Quad-City

dom. 6/29

12:36 pm-12:14 pm

1 stop25h 38m

$268

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

vie. 9/5

3:10 pm-7:03 am

2 stops13h 53m

Chicago O'Hare Intl

mar. 9/9

8:00 am-4:13 pm

2 stops10h 13m

$273

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

vie. 7/4

12:15 pm-11:59 pm

1 stop9h 44m

Chicago O'Hare Intl

mar. 7/8

10:15 pm-11:06 am

1 stop14h 51m

$277

SacramentoPeoria

SMF - PIA

SMFPIA

Sacramento Intl

sáb. 10/11

3:05 pm-11:27 pm

1 stop6h 22m

Greater Peoria

sáb. 10/18

3:43 pm-8:31 pm

1 stop6h 48m

$289

SacramentoMoline

SMF - MLI

SMFMLI

Sacramento Intl

vie. 7/11

11:45 pm-10:22 am

1 stop8h 37m

Moline Quad-City

dom. 7/13

5:20 pm-10:43 pm

1 stop7h 23m

$289

SacramentoMoline

SMF - MLI

SMFMLI

Sacramento Intl

mié. 8/13

11:55 pm-10:12 am

1 stop8h 17m

Moline Quad-City

sáb. 8/16

10:42 am-6:37 pm

2 stops9h 55m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 results
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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.
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

What is the cheapest month to book a flight from Sacramento to Illinois?

Currently, August is the cheapest month in which you can book a flight from Sacramento to Illinois (average of $245). Flying from Sacramento to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from 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 junio 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sacramento to Illinois as you normally would.

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 junio 12, 2025.

The most flights from SMF to USIL are scheduled on a Monday (9 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated junio 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Sacramento to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What airport do you fly from for flights from Sacramento to Illinois?

    Most people fly from Sacramento Intl (SMF) if they book a flight from Sacramento to Illinois. Sacramento Intl is conveniently located just 9.4 mi from Sacramento’s city center.

  • What are the cheapest airlines to fly from Sacramento to Illinois one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $104. Alaska Airlines flights start at $127 while deals on Frontier start at $128 one-way.

  • What are the most popular routes from Sacramento to Illinois?

    The most popular flight routes from Sacramento to Illinois are Sacramento Intl - Chicago O'Hare Intl, Sacramento Intl - Chicago Midway and Sacramento Intl - Lambert-St Louis.

  • What are the most reliable airlines from Sacramento to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Sacramento to Illinois on time: Air Canada (92%), Lufthansa (88%), American Airlines (75%).

  • What are the cheapest flights from Sacramento to Illinois?

    Looking for the cheapest flight from Sacramento to Illinois? While on average our users pay $1,109, our data indicates the cheapest price to be $128. The most popular route (Sacramento Intl - Chicago O'Hare Intl), is priced around $160.

  • Can I find deals for flights from Sacramento to Illinois that include hotel bookings?

    Yes. In addition to deals on Sacramento to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sacramento to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sacramento to Illinois.

  • Can I find deals for business class flights from Sacramento to Illinois?

    Yes. Cheapflights offers flight deals from Sacramento to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sacramento to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Sacramento to Illinois (average of $245). Flying from Sacramento to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Sacramento to Illinois

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$144Average$250FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$149Average$284FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$258Average$466FlexibilityNo cancel feeOn-time71%
DeltaCheapest$295Average$458FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$311Average$520FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$381Average$481FlexibilityNo cancel feeOn-time63%

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