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

As of September 2026, there are 90 flights per week flying from Sacramento to Illinois. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

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

As of September 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 57% of daily flights taking off at noon.

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

Delta, Alaska Airlines, and Southwest 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 September 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.

$98 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.

12:05 pm - 7:14 pmSMF Sacramento Intl-STL Lambert-St Louis

5h 09m1 stop Denver Intl

7:59 pm - 11:04 amSTL Lambert-St Louis-SMF Sacramento Intl

17h 05m1 stop Denver Intl

$195Frontier

Sat, Oct 31 - Mon, Nov 9

11:52 am - 3:24 pmSMF Sacramento Intl-STL Lambert-St Louis

25h 32m1 stop Denver Intl

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

16h 57m1 stop Denver Intl

$229Frontier

Tue, Oct 20 - Fri, Oct 23

7:43 pm - 9:25 amSMF Sacramento Intl-STL Lambert-St Louis

11h 42m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

11:34 am - 8:02 pmSTL Lambert-St Louis-SMF Sacramento Intl

10h 28m2 stops Minneapolis St Paul Seattle/Tacoma Intl

$294Delta

Tue, Nov 10 - Sat, Nov 14

7:43 pm - 9:25 amSMF Sacramento Intl-STL Lambert-St Louis

11h 42m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

2:20 pm - 11:51 pmSTL Lambert-St Louis-SMF Sacramento Intl

11h 31m2 stops Salt Lake City Seattle/Tacoma Intl

$299Delta

Wed, Nov 11 - Mon, Nov 16

7:03 am - 2:25 pmSMF Sacramento Intl-STL Lambert-St Louis

29h 22m1 stop Seattle/Tacoma Intl

7:59 pm - 11:04 amSTL Lambert-St Louis-SMF Sacramento Intl

17h 05m1 stop Denver Intl

$327Multiple Airlines

Tue, Nov 3 - Mon, Nov 9

7:03 am - 2:25 pmSMF Sacramento Intl-STL Lambert-St Louis

29h 22m1 stop Seattle/Tacoma Intl

7:59 pm - 11:04 amSTL Lambert-St Louis-SMF Sacramento Intl

17h 05m1 stop Denver Intl

$327Multiple Airlines

Wed, Nov 11 - Mon, Nov 16

2:07 pm - 12:11 amSMF Sacramento Intl-MLI Moline Quad-City

8h 04m1 stop Chicago O'Hare Intl

5:03 pm - 11:59 pmMLI Moline Quad-City-SMF Sacramento Intl

8h 56m1 stop Chicago O'Hare Intl

$350American Airlines

Thu, Oct 29 - Sat, Oct 31

11:59 pm - 11:03 amSMF Sacramento Intl-MLI Moline Quad-City

9h 04m1 stop Dallas/Fort Worth

6:00 am - 1:17 pmMLI Moline Quad-City-SMF Sacramento Intl

9h 17m1 stop Chicago O'Hare Intl

$350American Airlines

Thu, Oct 29 - Sat, Oct 31

9:30 am - 6:59 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

7h 29m1 stop San Diego

7:20 am - 12:41 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

7h 21m1 stop San Diego

$357Alaska Airlines

Fri, Nov 6 - Mon, Nov 9

6:00 am - 11:59 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

15h 59m1 stop Seattle/Tacoma Intl

7:20 am - 5:55 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

12h 35m2 stops San Diego Seattle/Tacoma Intl

$358Alaska Airlines

Fri, Oct 2 - Wed, Oct 7

Cheap last minute flights

Enter your travel dates to find the best prices.

11:35 am - 12:23 amSMF Sacramento Intl-ORD Chicago O'Hare Intl

10h 48m1 stop Denver Intl

8:55 pm - 5:28 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

22h 33m1 stop Las Vegas Harry Reid Intl

$370Frontier

Sun, Sep 13 - Mon, Sep 14

11:35 am - 11:21 amSMF Sacramento Intl-ORD Chicago O'Hare Intl

21h 46m1 stop Denver Intl

8:55 pm - 6:59 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

24h 04m1 stop Las Vegas Harry Reid Intl

$370Frontier

Sun, Sep 13 - Sun, Sep 20

10:47 am - 11:59 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

11h 12m1 stop San Diego

2:22 pm - 7:38 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

7h 16m1 stop Portland

$379Alaska Airlines

Thu, Sep 17 - Tue, Sep 22

10:47 am - 11:59 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

11h 12m1 stop San Diego

6:30 am - 10:40 amORD Chicago O'Hare Intl-SMF Sacramento Intl

6h 10m1 stop Denver Intl

$395Multiple Airlines

Thu, Sep 17 - Sun, Sep 20

10:47 am - 11:59 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

11h 12m1 stop San Diego

6:30 am - 10:40 amORD Chicago O'Hare Intl-SMF Sacramento Intl

6h 10m1 stop Denver Intl

$400Multiple Airlines

Thu, Sep 17 - Sun, Sep 20

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

15h 21m1 stop San Diego

2:22 pm - 7:38 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

7h 16m1 stop Portland

$409Alaska Airlines

Thu, Sep 17 - Tue, Sep 22

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

4h 15mnonstop

8:11 pm - 10:49 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 38mnonstop

$449United Airlines

Sat, Sep 12 - Sat, Sep 19

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

$449American Airlines

Wed, Sep 16 - Sat, Sep 19

6:30 am - 4:36 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

8h 06m1 stop San Francisco

8:11 pm - 10:49 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 38mnonstop

$459United Airlines

Sat, Sep 12 - Sat, Sep 19

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

4h 27mnonstop

5:00 am - 9:24 amORD Chicago O'Hare Intl-SMF Sacramento Intl

6h 24m1 stop Phoenix Sky Harbor Intl

$459American Airlines

Wed, Sep 16 - Sat, Sep 19

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

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

4h 45mnonstop

$377American Airlines

Thu, Oct 1 - Tue, Oct 6

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

4h 03mnonstop

10:30 am - 1:17 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 47mnonstop

$377American Airlines

Tue, Oct 20 - Tue, Oct 27

7:00 am - 1:16 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 16mnonstop

7:55 pm - 10:40 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 45mnonstop

$377United Airlines

Thu, Nov 5 - Mon, Nov 9

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

4h 12mnonstop

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

4h 38mnonstop

$377United Airlines

Sat, Oct 10 - Tue, Oct 20

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

3h 55mnonstop

10:05 am - 12:40 pmMDW Chicago Midway-SMF Sacramento Intl

4h 35mnonstop

$377Southwest

Thu, Oct 29 - Tue, Nov 3

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

3h 55mnonstop

7:45 pm - 10:15 pmMDW Chicago Midway-SMF Sacramento Intl

4h 30mnonstop

$377Southwest

Wed, Oct 21 - Sat, Oct 24

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

4h 23mnonstop

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

4h 45mnonstop

$377American Airlines

Thu, Oct 8 - Sat, Oct 10

1:44 pm - 8:04 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 20mnonstop

9:08 pm - 11:55 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 47mnonstop

$377American Airlines

Wed, Nov 11 - Mon, Nov 16

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

3h 55mnonstop

10:30 pm - 1:05 amMDW Chicago Midway-SMF Sacramento Intl

4h 35mnonstop

$377Southwest

Thu, Oct 22 - Mon, Oct 26

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

3h 55mnonstop

10:35 am - 1:10 pmMDW Chicago Midway-SMF Sacramento Intl

4h 35mnonstop

$377Southwest

Tue, Oct 13 - Sat, Oct 17

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Frontier flights from Sacramento to Illinois

Our best Frontier deals on Sacramento to Illinois flight tickets

Frontier

Oct 31

SMF12:05 pmSacramento Intl

5h 09m

1 stop

STL7:14 pmLambert-St Louis

Nov 9

STL7:59 pmLambert-St Louis

17h 05m

1 stop

SMF11:04 amSacramento Intl

$195

Frontier

Oct 20

SMF11:52 amSacramento Intl

25h 32m

1 stop

STL3:24 pmLambert-St Louis

Oct 23

STL8:00 pmLambert-St Louis

16h 57m

1 stop

SMF10:57 amSacramento Intl

$229

Frontier

Oct 7

SMF11:53 amSacramento Intl

10h 06m

1 stop

STL11:59 pmLambert-St Louis

Oct 16

STL8:00 pmLambert-St Louis

16h 57m

1 stop

SMF10:57 amSacramento Intl

$236

Delta flights from Sacramento to Illinois

Our best Delta deals on Sacramento to Illinois flight tickets

Delta

Nov 10

SMF7:43 pmSacramento Intl

11h 42m

2 stops

STL9:25 amLambert-St Louis

Nov 14

STL11:34 amLambert-St Louis

10h 28m

2 stops

SMF8:02 pmSacramento Intl

$294

Delta

Oct 29

SMF9:46 amSacramento Intl

10h 44m

2 stops

MLI10:30 pmMoline Quad-City

Oct 31

MLI1:00 pmMoline Quad-City

10h 31m

1 stop

SMF9:31 pmSacramento Intl

$355

Delta

Oct 29

SMF9:46 amSacramento Intl

10h 44m

2 stops

MLI10:30 pmMoline Quad-City

Oct 31

MLI6:00 amMoline Quad-City

12h 10m

2 stops

SMF4:10 pmSacramento Intl

$360

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Sat 10/31

12:05 pm-7:14 pm

1 stop5h 09m

Lambert-St Louis

Mon 11/9

7:59 pm-11:04 am

1 stop17h 05m

$195

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Tue 10/20

11:52 am-3:24 pm

1 stop25h 32m

Lambert-St Louis

Fri 10/23

8:00 pm-10:57 am

1 stop16h 57m

$229

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Tue 11/10

7:43 pm-9:25 am

2 stops11h 42m

Lambert-St Louis

Sat 11/14

11:34 am-8:02 pm

2 stops10h 28m

$294

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Wed 11/11

7:43 pm-9:25 am

2 stops11h 42m

Lambert-St Louis

Mon 11/16

2:20 pm-11:51 pm

2 stops11h 31m

$299

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Tue 11/3

7:03 am-2:25 pm

1 stop29h 22m

Lambert-St Louis

Mon 11/9

7:59 pm-11:04 am

1 stop17h 05m

$327

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Wed 11/11

7:03 am-2:25 pm

1 stop29h 22m

Lambert-St Louis

Mon 11/16

7:59 pm-11:04 am

1 stop17h 05m

$327

SacramentoMoline

SMF Sacramento Intl - MLI Moline Quad-City

SMFMLI

Sacramento Intl

Thu 10/29

2:07 pm-12:11 am

1 stop8h 04m

Moline Quad-City

Sat 10/31

5:03 pm-11:59 pm

1 stop8h 56m

$350

SacramentoMoline

SMF Sacramento Intl - MLI Moline Quad-City

SMFMLI

Sacramento Intl

Thu 10/29

11:59 pm-11:03 am

1 stop9h 04m

Moline Quad-City

Sat 10/31

6:00 am-1:17 pm

1 stop9h 17m

$350

Quickest round-trip

SacramentoChicago

SMF Sacramento Intl - ORD Chicago O'Hare Intl

SMFORD

Sacramento Intl

Fri 11/6

9:30 am-6:59 pm

1 stop7h 29m

Chicago O'Hare Intl

Mon 11/9

7:20 am-12:41 pm

1 stop7h 21m

$357

SacramentoChicago

SMF Sacramento Intl - ORD Chicago O'Hare Intl

SMFORD

Sacramento Intl

Fri 10/2

6:00 am-11:59 pm

1 stop15h 59m

Chicago O'Hare Intl

Wed 10/7

7:20 am-5:55 pm

2 stops12h 35m

$358

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 $437.

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 $486. 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 $558.

What is the cheapest Sacramento Intl to Illinois flight route?

Fly from Sacramento Intl to Chicago Midway 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 $476 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?

You could potentially save up to 11% on your flight if you consider stops on a Sacramento to Illinois flight.

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	$98
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 $98. The best round-trip flight deal from Sacramento to Illinois found on momondo in the last 72 hours is $195.

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 September 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 23.66% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 19.28%, Boeing 737-900 at 15.71%, and Boeing 737 MAX 9 at 12.10%.

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 $169	Free Cancellation	Rating 5.6 2,608 reviews	Search Frontier flights
Delta	PriceFrom $179	Free Cancellation	Rating 7.8 8,557 reviews	Search Delta flights
Alaska Airlines	PriceFrom $190	Free Cancellation	Rating 7.9 12,909 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.1 12,046 reviews	Search American Airlines flights
United Airlines	PriceFrom $320	Free Cancellation	Rating 7.4 10,196 reviews	Search United Airlines flights
Southwest	PriceFrom $380	Free Cancellation	Rating 8.0 4,195 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.