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

As of August 2026, there are 89 flights per week flying from Sacramento to Illinois. The most common day of the week flights depart is Fri, with 18% of flights taking off on this day.

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 62% of daily flights taking off at noon.

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.

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

Frontier, Delta, and Southwest are the most popular carriers operating from Sacramento Intl 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.

$93 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

29h 24m1 stop Denver Intl

8:00 pm - 10:57 amSTL Lambert-St Louis-SMF Sacramento Intl

16h 57m1 stop Denver Intl

$198Frontier

Tue, Oct 6 - Mon, Oct 12

6:23 pm - 11:32 amSMF Sacramento Intl-STL Lambert-St Louis

15h 09m1 stop Las Vegas Harry Reid Intl

8:10 pm - 10:58 amSTL Lambert-St Louis-SMF Sacramento Intl

16h 48m1 stop Denver Intl

$229Frontier

Mon, Sep 14 - Mon, Sep 21

7:00 am - 11:59 pmSMF Sacramento Intl-STL Lambert-St Louis

14h 59m2 stops San Diego Seattle/Tacoma Intl

8:00 pm - 10:57 amSTL Lambert-St Louis-SMF Sacramento Intl

16h 57m1 stop Denver Intl

$337Multiple Airlines

Fri, Oct 16 - Mon, Oct 19

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

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

2:25 pm - 10:38 pmSMF Sacramento Intl-MLI Moline Quad-City

6h 13m1 stop Chicago O'Hare Intl

6:32 am - 3:01 pmMLI Moline Quad-City-SMF Sacramento Intl

10h 29m2 stops Chicago O'Hare Intl Los Angeles

$346United Airlines

Tue, Sep 29 - Tue, Oct 6

2:25 pm - 10:38 pmSMF Sacramento Intl-MLI Moline Quad-City

6h 13m1 stop Chicago O'Hare Intl

6:32 am - 3:01 pmMLI Moline Quad-City-SMF Sacramento Intl

10h 29m2 stops Chicago O'Hare Intl Los Angeles

$346United Airlines

Tue, Sep 29 - Tue, Oct 6

6:23 pm - 5:38 amSMF Sacramento Intl-ORD Chicago O'Hare Intl

9h 15m1 stop Las Vegas Harry Reid Intl

6:00 am - 6:18 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

14h 18m2 stops Seattle/Tacoma Intl San Diego

$346Multiple Airlines

Thu, Sep 24 - Wed, Sep 30

6:52 am - 7:21 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

10h 29m1 stop San Diego

1:03 pm - 6:56 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

7h 53m1 stop Seattle/Tacoma Intl

$350Alaska Airlines

Tue, Sep 8 - Sat, Sep 12

11:31 am - 11:59 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

10h 28m1 stop Seattle/Tacoma Intl

8:52 pm - 11:13 amORD Chicago O'Hare Intl-SMF Sacramento Intl

16h 21m1 stop Seattle/Tacoma Intl

$352Alaska Airlines

Tue, Nov 17 - Fri, Nov 20

Cheap last minute flights

Enter your travel dates to find the best prices.

11:42 am - 1:36 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

23h 54m1 stop Denver Intl

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

22h 16m1 stop Denver Intl

$350Frontier

Wed, Aug 26 - Tue, Sep 1

11:42 am - 1:36 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

23h 54m1 stop Denver Intl

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

22h 16m1 stop Denver Intl

$355Frontier

Wed, Aug 26 - Fri, Aug 28

8:12 am - 7:21 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

9h 09m1 stop San Diego

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

22h 16m1 stop Denver Intl

$364Multiple Airlines

Tue, Aug 25 - Sat, Aug 29

7:47 pm - 6:17 amSMF Sacramento Intl-ORD Chicago O'Hare Intl

8h 30m1 stop Los Angeles

6:05 am - 12:15 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

8h 10m1 stop San Diego

$370Multiple Airlines

Mon, Aug 24 - Thu, Aug 27

8:12 am - 7:21 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

9h 09m1 stop San Diego

6:05 am - 12:15 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

8h 10m1 stop San Diego

$389Alaska Airlines

Wed, Aug 26 - Mon, Aug 31

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

$404Alaska Airlines

Tue, Aug 25 - Sun, Aug 30

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

$429American Airlines

Tue, Aug 25 - Sat, Aug 29

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

$429American Airlines

Tue, Aug 25 - Tue, Sep 1

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

$429Southwest

Wed, Aug 26 - Wed, Sep 2

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

$429Southwest

Tue, Aug 25 - Tue, Sep 1

Cheap direct flights

Enter your travel dates to find the best prices.

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 - Sat, Sep 19

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

4h 03mnonstop

9:14 pm - 11:59 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 45mnonstop

$357American Airlines

Thu, Oct 8 - Mon, Oct 12

9:55 am - 4:07 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 12mnonstop

4:00 pm - 6:38 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 38mnonstop

$357United Airlines

Mon, Oct 26 - Sat, Oct 31

2:23 pm - 8:38 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 15mnonstop

4:10 pm - 6:48 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 38mnonstop

$357United Airlines

Tue, Sep 22 - Sat, Sep 26

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

3h 55mnonstop

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

4h 30mnonstop

$357Southwest

Tue, Sep 29 - Thu, Oct 1

6:15 am - 12:10 pmSMF Sacramento Intl-MDW Chicago Midway

3h 55mnonstop

8:45 pm - 11:25 pmMDW Chicago Midway-SMF Sacramento Intl

4h 40mnonstop

$357Southwest

Mon, Nov 16 - Wed, Nov 18

1:57 pm - 8:20 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 23mnonstop

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

4h 47mnonstop

$357American Airlines

Wed, Oct 7 - Wed, Oct 14

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 23 - Sat, Sep 26

5:15 am - 11:10 amSMF Sacramento Intl-MDW Chicago Midway

3h 55mnonstop

9:15 pm - 11:55 pmMDW Chicago Midway-SMF Sacramento Intl

4h 40mnonstop

$357Southwest

Thu, Oct 29 - Thu, Nov 5

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

3h 55mnonstop

8:40 pm - 11:10 pmMDW Chicago Midway-SMF Sacramento Intl

4h 30mnonstop

$357Southwest

Sat, Oct 24 - Wed, Oct 28

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American Airlines flights from Sacramento to Illinois

Our best American Airlines deals on Sacramento to Illinois flight tickets

American Airlines

Sep 29

SMF3:08 pmSacramento Intl

6h 57m

1 stop

MLI12:05 amMoline Quad-City

Oct 6

MLI4:38 pmMoline Quad-City

8h 31m

1 stop

SMF11:09 pmSacramento Intl

$341

American Airlines

Oct 21

SMF1:57 pmSacramento Intl

4h 23m

ORD8:20 pmChicago O'Hare Intl

Oct 27

ORD10:30 amChicago O'Hare Intl

10h 21m

1 stop

SMF6:51 pmSacramento Intl

$360

American Airlines

Sep 10

SMF3:08 pmSacramento Intl

7h 00m

1 stop

PIA12:08 amGreater Peoria

Sep 18

PIA4:43 pmGreater Peoria

8h 51m

1 stop

SMF11:34 pmSacramento Intl

$361

Alaska Airlines flights from Sacramento to Illinois

Our best Alaska Airlines deals on Sacramento to Illinois flight tickets

Alaska Airlines

Nov 17

SMF1:37 pmSacramento Intl

21h 40m

1 stop

ORD1:17 pmChicago O'Hare Intl

Nov 20

ORD6:53 pmChicago O'Hare Intl

18h 20m

1 stop

SMF11:13 amSacramento Intl

$352

Alaska Airlines

Sep 2

SMF1:02 pmSacramento Intl

8h 57m

1 stop

ORD11:59 pmChicago O'Hare Intl

Sep 9

ORD3:52 pmChicago O'Hare Intl

8h 41m

1 stop

SMF10:33 pmSacramento Intl

$353

Alaska Airlines

Sep 4

SMF12:52 pmSacramento Intl

9h 07m

1 stop

ORD11:59 pmChicago O'Hare Intl

Sep 8

ORD7:20 amChicago O'Hare Intl

18h 20m

1 stop

SMF11:40 pmSacramento Intl

$356

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

Mon 10/12

8:00 pm-10:57 am

1 stop16h 57m

$198

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Mon 9/14

6:23 pm-11:32 am

1 stop15h 09m

Lambert-St Louis

Mon 9/21

8:10 pm-10:58 am

1 stop16h 48m

$229

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Fri 10/16

7:00 am-11:59 pm

2 stops14h 59m

Lambert-St Louis

Mon 10/19

8:00 pm-10:57 am

1 stop16h 57m

$337

Quickest round-trip

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

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

SacramentoMoline

SMF Sacramento Intl - MLI Moline Quad-City

SMFMLI

Sacramento Intl

Tue 9/29

2:25 pm-10:38 pm

1 stop6h 13m

Moline Quad-City

Tue 10/6

6:32 am-3:01 pm

2 stops10h 29m

$346

SacramentoMoline

SMF Sacramento Intl - MLI Moline Quad-City

SMFMLI

Sacramento Intl

Tue 9/29

2:25 pm-10:38 pm

1 stop6h 13m

Moline Quad-City

Tue 10/6

6:32 am-3:01 pm

2 stops10h 29m

$346

SacramentoChicago

SMF Sacramento Intl - ORD Chicago O'Hare Intl

SMFORD

Sacramento Intl

Thu 9/24

6:23 pm-5:38 am

1 stop9h 15m

Chicago O'Hare Intl

Wed 9/30

6:00 am-6:18 pm

2 stops14h 18m

$346

SacramentoChicago

SMF Sacramento Intl - ORD Chicago O'Hare Intl

SMFORD

Sacramento Intl

Tue 9/8

6:52 am-7:21 pm

1 stop10h 29m

Chicago O'Hare Intl

Sat 9/12

1:03 pm-6:56 pm

1 stop7h 53m

$350

SacramentoChicago

SMF Sacramento Intl - ORD Chicago O'Hare Intl

SMFORD

Sacramento Intl

Tue 11/17

11:31 am-11:59 pm

1 stop10h 28m

Chicago O'Hare Intl

Fri 11/20

8:52 pm-11:13 am

1 stop16h 21m

$352

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 February is also cheap. Prices for this month can be found on momondo for an average of $419.

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 $482. Flights from Sacramento to Illinois on a Sunday will generally be more expensive and average around $592. 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 $571.

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 $475 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.

Can stopping save me money on Sacramento to Illinois flights?

No. A direct flight is the cheapest option for a flight between Sacramento to Illinois.

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	$93
Fastest flight time	3h 35m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Sacramento in the past 72 hours is $93. The best round-trip flight deal from Sacramento to Illinois found on momondo in the last 72 hours is $198.

The fastest flight from Sacramento to Illinois takes 3h 35m

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 21.91% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 20.93%, Boeing 737-900 at 16.71%, and Boeing 737 MAX 9 at 10.37%.

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 2,657 reviews	Search Frontier flights
Delta	PriceFrom $179	Free Cancellation	Rating 7.8 8,516 reviews	Search Delta flights
Alaska Airlines	PriceFrom $190	Free Cancellation	Rating 7.9 12,837 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.1 11,989 reviews	Search American Airlines flights
United Airlines	PriceFrom $307	Free Cancellation	Rating 7.4 10,113 reviews	Search United Airlines flights
Southwest	PriceFrom $371	Free Cancellation	Rating 8.0 4,215 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.