How many flights depart from Sacramento to Illinois on average per day?

As of August 2026, 12 flights take off from Sacramento and land in Illinois each day. The most common flight departure time for this route is 7:00AM, with 45% of daily flights taking off at noon.

How many flights depart from Sacramento to Illinois on average per week?

As of August 2026, there are 84 flights per week flying from Sacramento to Illinois. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.

What is the cheapest airline that flies from Sacramento Intl to Illinois?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Sacramento Intl to Illinois

What airlines fly to Illinois?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Illinois from Sacramento according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Sacramento Intl Airport to Illinois?

Prices for flights from Sacramento Intl Airport to Illinois refresh daily.

How many operators does momondo search for flights from Sacramento Intl Airport to Illinois?

There are 6 operators available for flights from Sacramento Intl Airport to Illinois as of August 2026.

How old do you have to be to fly from Sacramento Intl Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sacramento Intl Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$100 Cheap Flights from Sacramento to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sacramento to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:53 am - 7:17 pmSMF Sacramento Intl-STL Lambert-St Louis

5h 24m1 stop Denver Intl

12:17 pm - 5:28 pmSTL Lambert-St Louis-SMF Sacramento Intl

7h 11m1 stop Las Vegas Harry Reid Intl

$238Frontier

Wed, Sep 23 - Sat, Sep 26

11:53 am - 7:17 pmSMF Sacramento Intl-STL Lambert-St Louis

5h 24m1 stop Denver Intl

12:17 pm - 5:28 pmSTL Lambert-St Louis-SMF Sacramento Intl

7h 11m1 stop Las Vegas Harry Reid Intl

$239Frontier

Wed, Sep 23 - Sat, Sep 26

8:47 am - 12:35 pmSMF Sacramento Intl-STL Lambert-St Louis

25h 48m1 stop Las Vegas Harry Reid Intl

7:02 am - 5:20 pmSTL Lambert-St Louis-SMF Sacramento Intl

12h 18m2 stops Seattle/Tacoma Intl San Diego

$296Multiple Airlines

Thu, Oct 8 - Tue, Oct 13

8:01 pm - 5:10 pmSMF Sacramento Intl-STL Lambert-St Louis

19h 09m2 stops San Diego Portland

8:10 pm - 10:40 amSTL Lambert-St Louis-SMF Sacramento Intl

16h 30m1 stop Denver Intl

$316Multiple Airlines

Thu, Sep 10 - Sat, Sep 12

7:43 pm - 9:19 amSMF Sacramento Intl-STL Lambert-St Louis

11h 36m2 stops Seattle/Tacoma Intl Minneapolis St Paul

2:20 pm - 11:41 pmSTL Lambert-St Louis-SMF Sacramento Intl

11h 21m2 stops Salt Lake City Seattle/Tacoma Intl

$326Delta

Wed, Nov 11 - Wed, Nov 18

3:08 pm - 12:05 amSMF Sacramento Intl-MLI Moline Quad-City

6h 57m1 stop Chicago O'Hare Intl

4:38 pm - 11:09 pmMLI Moline Quad-City-SMF Sacramento Intl

8h 31m1 stop Dallas/Fort Worth

$341American Airlines

Tue, Sep 29 - Tue, Oct 6

11:50 pm - 5:45 amSMF Sacramento Intl-MDW Chicago Midway

3h 55mnonstop

8:50 pm - 11:10 pmMDW Chicago Midway-SMF Sacramento Intl

4h 20mnonstop

$343Southwest

Sat, Aug 29 - Tue, Sep 1

7:30 am - 9:25 pmSMF Sacramento Intl-STL Lambert-St Louis

11h 55m2 stops Seattle/Tacoma Intl Minneapolis St Paul

6:47 am - 7:06 pmSTL Lambert-St Louis-SMF Sacramento Intl

14h 19m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

$343Delta

Sat, Oct 31 - Sat, Nov 7

7:50 pm - 5:05 amSMF Sacramento Intl-MDW Chicago Midway

7h 15m1 stop Seattle/Tacoma Intl

8:50 pm - 11:15 pmMDW Chicago Midway-SMF Sacramento Intl

4h 25mnonstop

$344Southwest

Wed, Sep 23 - Tue, Sep 29

4:15 pm - 12:35 amSMF Sacramento Intl-ORD Chicago O'Hare Intl

6h 20m1 stop Phoenix Sky Harbor Intl

10:15 am - 1:02 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 47mnonstop

$349American Airlines

Fri, Oct 16 - Mon, Oct 19

Cheap last minute flights

Enter your travel dates to find the best prices.

12:52 pm - 1:22 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

22h 30m1 stop San Diego

8:17 pm - 10:08 amORD Chicago O'Hare Intl-SMF Sacramento Intl

15h 51m1 stop San Diego

$356Alaska Airlines

Wed, Aug 19 - Mon, Aug 31

8:01 pm - 1:22 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

15h 21m1 stop San Diego

8:17 pm - 10:08 amORD Chicago O'Hare Intl-SMF Sacramento Intl

15h 51m1 stop San Diego

$356Alaska Airlines

Thu, Aug 20 - Mon, Aug 31

3:13 pm - 9:40 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 27mnonstop

11:56 am - 2:23 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 27mnonstop

$366American Airlines

Wed, Aug 19 - Mon, Aug 31

1:30 pm - 11:36 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

8h 06m1 stop San Diego

2:41 pm - 10:57 amORD Chicago O'Hare Intl-SMF Sacramento Intl

22h 16m1 stop Denver Intl

$375Multiple Airlines

Tue, Aug 18 - Tue, Aug 25

12:55 pm - 12:28 amSMF Sacramento Intl-ORD Chicago O'Hare Intl

9h 33m1 stop Phoenix Sky Harbor Intl

11:56 am - 2:23 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 27mnonstop

$376American Airlines

Wed, Aug 19 - Mon, Aug 31

6:29 pm - 7:02 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

22h 33m1 stop Las Vegas Harry Reid Intl

2:41 pm - 10:57 amORD Chicago O'Hare Intl-SMF Sacramento Intl

22h 16m1 stop Denver Intl

$379Frontier

Thu, Aug 20 - Tue, Aug 25

6:29 pm - 7:02 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

22h 33m1 stop Las Vegas Harry Reid Intl

8:17 pm - 10:08 amORD Chicago O'Hare Intl-SMF Sacramento Intl

15h 51m1 stop San Diego

$381Multiple Airlines

Thu, Aug 20 - Mon, Aug 24

12:16 pm - 10:36 pmSMF Sacramento Intl-MDW Chicago Midway

8h 20m1 stop Atlanta Hartsfield-Jackson

1:51 pm - 8:35 pmMDW Chicago Midway-SMF Sacramento Intl

8h 44m1 stop Minneapolis St Paul

$386Delta

Wed, Aug 19 - Mon, Aug 31

12:16 pm - 11:57 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

9h 41m1 stop Atlanta Hartsfield-Jackson

7:44 pm - 11:46 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

6h 02m1 stop Salt Lake City

$386Delta

Wed, Aug 19 - Mon, Aug 31

11:25 am - 8:52 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

7h 27m1 stop Denver Intl

2:41 pm - 10:57 amORD Chicago O'Hare Intl-SMF Sacramento Intl

22h 16m1 stop Denver Intl

$396Frontier

Mon, Aug 17 - Tue, Aug 18

Cheap direct flights

Enter your travel dates to find the best prices.

11:50 pm - 5:45 amSMF Sacramento Intl-MDW Chicago Midway

3h 55mnonstop

8:50 pm - 11:10 pmMDW Chicago Midway-SMF Sacramento Intl

4h 20mnonstop

$343Southwest

Sat, Aug 29 - Tue, Sep 1

9:20 am - 3:34 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 14mnonstop

9:09 am - 11:51 amORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 42mnonstop

$343United Airlines

Sat, Aug 29 - Tue, Sep 1

10:57 pm - 5:00 amSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 03mnonstop

10:15 am - 1:02 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 47mnonstop

$349American Airlines

Fri, Oct 16 - Fri, Oct 23

11:55 pm - 5:50 amSMF Sacramento Intl-MDW Chicago Midway

3h 55mnonstop

10:30 pm - 1:00 amMDW Chicago Midway-SMF Sacramento Intl

4h 30mnonstop

$349Southwest

Fri, Oct 16 - Fri, Oct 23

11:50 pm - 5:45 amSMF Sacramento Intl-MDW Chicago Midway

3h 55mnonstop

10:05 am - 12:25 pmMDW Chicago Midway-SMF Sacramento Intl

4h 20mnonstop

$354Southwest

Sat, Sep 12 - Sat, Sep 19

2:25 pm - 8:37 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 12mnonstop

8:08 pm - 10:46 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 38mnonstop

$356United Airlines

Thu, Oct 8 - Tue, Oct 13

3:08 pm - 9:35 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 27mnonstop

11:47 am - 2:18 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 31mnonstop

$357American Airlines

Wed, Sep 16 - Tue, Sep 22

2:25 pm - 8:37 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 12mnonstop

9:25 am - 12:06 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 41mnonstop

$357United Airlines

Wed, Oct 7 - Sat, Oct 17

11:50 pm - 5:45 amSMF Sacramento Intl-MDW Chicago Midway

3h 55mnonstop

10:10 am - 12:30 pmMDW Chicago Midway-SMF Sacramento Intl

4h 20mnonstop

$357Southwest

Mon, Sep 21 - Wed, Sep 23

2:25 pm - 8:37 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 12mnonstop

8:08 pm - 10:46 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 38mnonstop

$357United Airlines

Sat, Oct 10 - Tue, Oct 20

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United Airlines flights from Sacramento to Illinois

Our best United Airlines deals on Sacramento to Illinois flight tickets

United Airlines

Aug 29

SMF9:20 amSacramento Intl

4h 14m

ORD3:34 pmChicago O'Hare Intl

Sep 1

ORD9:09 amChicago O'Hare Intl

4h 42m

SMF11:51 amSacramento Intl

$343

United Airlines

Sep 29

SMF10:50 amSacramento Intl

7h 58m

1 stop

MLI8:48 pmMoline Quad-City

Oct 6

MLI6:32 amMoline Quad-City

10h 29m

2 stops

SMF3:01 pmSacramento Intl

$346

United Airlines

Aug 29

SMF10:50 amSacramento Intl

6h 40m

1 stop

ORD7:30 pmChicago O'Hare Intl

Sep 5

ORD3:40 pmChicago O'Hare Intl

4h 38m

SMF6:18 pmSacramento Intl

$349

Delta flights from Sacramento to Illinois

Our best Delta deals on Sacramento to Illinois flight tickets

Delta

Nov 11

SMF7:43 pmSacramento Intl

11h 36m

2 stops

STL9:19 amLambert-St Louis

Nov 18

STL2:20 pmLambert-St Louis

11h 21m

2 stops

SMF11:41 pmSacramento Intl

$326

Delta

Sep 2

SMF9:21 amSacramento Intl

10h 26m

2 stops

ORD9:47 pmChicago O'Hare Intl

Sep 9

ORD2:05 pmChicago O'Hare Intl

10h 40m

2 stops

SMF10:45 pmSacramento Intl

$347

Delta

Sep 1

SMF6:45 pmSacramento Intl

13h 14m

2 stops

MDW9:59 amChicago Midway

Sep 9

MDW7:13 pmChicago Midway

17h 29m

2 stops

SMF10:42 amSacramento Intl

$348

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Wed 9/23

11:53 am-7:17 pm

1 stop5h 24m

Lambert-St Louis

Sat 9/26

12:17 pm-5:28 pm

1 stop7h 11m

$238

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Wed 9/23

11:53 am-7:17 pm

1 stop5h 24m

Lambert-St Louis

Sat 9/26

12:17 pm-5:28 pm

1 stop7h 11m

$239

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Thu 10/8

8:47 am-12:35 pm

1 stop25h 48m

Lambert-St Louis

Tue 10/13

7:02 am-5:20 pm

2 stops12h 18m

$296

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Thu 9/10

8:01 pm-5:10 pm

2 stops19h 09m

Lambert-St Louis

Sat 9/12

8:10 pm-10:40 am

1 stop16h 30m

$316

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Wed 11/11

7:43 pm-9:19 am

2 stops11h 36m

Lambert-St Louis

Wed 11/18

2:20 pm-11:41 pm

2 stops11h 21m

$326

SacramentoMoline

SMF Sacramento Intl - MLI Moline Quad-City

SMFMLI

Sacramento Intl

Tue 9/29

3:08 pm-12:05 am

1 stop6h 57m

Moline Quad-City

Tue 10/6

4:38 pm-11:09 pm

1 stop8h 31m

$341

Quickest round-trip

SacramentoChicago

SMF Sacramento Intl - MDW Chicago Midway

SMFMDW

Sacramento Intl

Sat 8/29

11:50 pm-5:45 am

Nonstop3h 55m

Chicago Midway

Tue 9/1

8:50 pm-11:10 pm

Nonstop4h 20m

$343

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Sat 10/31

7:30 am-9:25 pm

2 stops11h 55m

Lambert-St Louis

Sat 11/7

6:47 am-7:06 pm

2 stops14h 19m

$343

SacramentoChicago

SMF Sacramento Intl - MDW Chicago Midway

SMFMDW

Sacramento Intl

Wed 9/23

7:50 pm-5:05 am

1 stop7h 15m

Chicago Midway

Tue 9/29

8:50 pm-11:15 pm

Nonstop4h 25m

$344

SacramentoChicago

SMF Sacramento Intl - ORD Chicago O'Hare Intl

SMFORD

Sacramento Intl

Fri 10/16

4:15 pm-12:35 am

1 stop6h 20m

Chicago O'Hare Intl

Mon 10/19

10:15 am-1:02 pm

Nonstop4h 47m

$349

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sacramento to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Sacramento is in January. Flight prices, which tend to average around $409, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $433.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Sacramento to Illinois is on a Tuesday when prices can be found for as low as $480. Flights from Sacramento to Illinois on a Sunday will generally be more expensive and average around $590. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Sacramento to Illinois during this time can be as low as $489. Flights at noon are often more expensive with an average ticket price of $568.

What is the cheapest Sacramento Intl to Illinois flight route?

Fly from Sacramento Intl to Chicago O'Hare Intl for the best Sacramento Intl - Illinois flight prices

How far in advance should I book a flight from Sacramento to Illinois?

You are more likely to see cheaper flights to Illinois from Sacramento when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $466 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Sacramento for as low as $403 on momondo.

What cabin class options are available on Sacramento to Illinois flights?

There are 4 cabin classes available to choose from on Sacramento to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Sacramento to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sacramento to Illinois

Best Price Found	$241
Fastest flight time	3h 30m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Sacramento in the past 72 hours is $241. The best round-trip flight deal from Sacramento to Illinois found on momondo in the last 72 hours is $430.

The fastest flight from Sacramento to Illinois takes 3h 30m

Direct flights go from Sacramento to Illinois every day.

There are 98 airports in Illinois. From Sacramento there are direct flights to Chicago Midway (MDW), Lambert-St Louis (STL).

Search flight deals

Frequently asked questions about flying from Sacramento to Illinois

When did momondo last update prices for flights from Sacramento Intl Airport to Illinois?
Prices for flights from Sacramento Intl Airport to Illinois refresh daily.
How many operators does momondo search for flights from Sacramento Intl Airport to Illinois?
There are 6 operators available for flights from Sacramento Intl Airport to Illinois as of August 2026.
How old do you have to be to fly from Sacramento Intl Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sacramento Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Sacramento to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Sacramento to Illinois is Boeing 737-800, representing 22.43% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 21.12%, Boeing 737-900 at 17.01%, and Boeing 737 MAX 9 at 10.09%.

Best airlines flying from Sacramento to Illinois

Compare and see reviews for airlines that fly from Sacramento to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $165	Free Cancellation	Rating 5.6 2,692 reviews	Search Frontier flights
Delta	PriceFrom $179	Free Cancellation	Rating 7.8 8,508 reviews	Search Delta flights
Alaska Airlines	PriceFrom $190	Free Cancellation	Rating 7.9 12,809 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.1 11,941 reviews	Search American Airlines flights
United Airlines	PriceFrom $307	Free Cancellation	Rating 7.4 10,111 reviews	Search United Airlines flights
Southwest	PriceFrom $371	Free Cancellation	Rating 8.0 4,219 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Sacramento to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sacramento to Illinois for you.

Can I find flights from Sacramento to Illinois with flexible booking policies on momondo?

Yes. All flights to Illinois from Sacramento on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Sacramento to Illinois?

Once you have performed a search for Sacramento to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Sacramento to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Sacramento are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.