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

As of September 2026, 10 flights take off from Sacramento and land in Illinois each day. The most common flight departure time for this route is 9:00AM, with 62% 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.

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

As of September 2026, there are 73 flights per week flying from Sacramento to Illinois. The most common day of the week flights depart is Thu, with 22% of flights taking off on this day.

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.

$113 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.

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

25h 32m1 stop Denver Intl

8:00 pm - 11:04 amSTL Lambert-St Louis-SMF Sacramento Intl

17h 04m1 stop Denver Intl

$232Frontier

Tue, Oct 13 - Mon, Oct 26

11:53 am - 11:59 pmSMF Sacramento Intl-STL Lambert-St Louis

10h 06m1 stop Denver Intl

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

16h 57m1 stop Denver Intl

$235Frontier

Wed, Oct 7 - Fri, Oct 9

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

5h 24m1 stop Denver Intl

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

12h 18m2 stops Seattle/Tacoma Intl San Diego

$299Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

6:52 am - 11:59 pmSMF Sacramento Intl-STL Lambert-St Louis

15h 07m2 stops San Diego Seattle/Tacoma Intl

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

16h 48m1 stop Denver Intl

$315Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

7:59 pm - 9:49 amSMF Sacramento Intl-STL Lambert-St Louis

11h 50m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

2:22 pm - 10:46 pmSTL Lambert-St Louis-SMF Sacramento Intl

10h 24m2 stops Salt Lake City Seattle/Tacoma Intl

$318Delta

Tue, Oct 13 - Mon, Oct 26

7:59 pm - 8:53 amSMF Sacramento Intl-STL Lambert-St Louis

10h 54m2 stops Seattle/Tacoma Intl Minneapolis St Paul

2:22 pm - 10:46 pmSTL Lambert-St Louis-SMF Sacramento Intl

10h 24m2 stops Salt Lake City Seattle/Tacoma Intl

$323Delta

Mon, Oct 19 - Mon, Oct 26

12:55 pm - 9:03 pmSMF Sacramento Intl-MLI Moline Quad-City

6h 08m1 stop Denver Intl

10:35 am - 7:37 pmMLI Moline Quad-City-SMF Sacramento Intl

11h 02m2 stops Chicago O'Hare Intl San Francisco

$346United Airlines

Wed, Jan 27 - Sat, Jan 30

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

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

10:17 am - 9:37 pmSMF Sacramento Intl-MLI Moline Quad-City

9h 20m2 stops Los Angeles Chicago O'Hare Intl

10:35 am - 6:06 pmMLI Moline Quad-City-SMF Sacramento Intl

9h 31m2 stops Chicago O'Hare Intl San Francisco

$351United Airlines

Wed, Jan 27 - Sat, Jan 30

Cheap last minute flights

Enter your travel dates to find the best prices.

11:53 am - 12:23 amSMF Sacramento Intl-ORD Chicago O'Hare Intl

10h 30m1 stop Denver Intl

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

6h 10m1 stop Denver Intl

$355Frontier

Sat, Sep 12 - Thu, Sep 17

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

9h 15m1 stop Las Vegas Harry Reid Intl

8:01 pm - 6:53 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

24h 52m2 stops Los Angeles Las Vegas Harry Reid Intl

$362Frontier

Sat, Sep 12 - Fri, Oct 9

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

10h 29m1 stop San Diego

2:18 pm - 11:40 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

11h 22m1 stop San Diego

$384Alaska Airlines

Wed, Sep 9 - Sat, Sep 12

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

$413American Airlines

Sat, Sep 12 - Fri, Oct 9

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

$413American Airlines

Wed, Sep 9 - Fri, Oct 9

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

22h 30m1 stop San Diego

7:00 pm - 9:19 amORD Chicago O'Hare Intl-SMF Sacramento Intl

16h 19m1 stop Seattle/Tacoma Intl

$414Alaska Airlines

Wed, Sep 9 - Sat, Sep 12

6:30 am - 2:50 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

6h 20m1 stop San Francisco

3:40 pm - 6:18 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 38mnonstop

$441United Airlines

Wed, Sep 9 - Fri, Sep 11

1:00 pm - 11:57 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

8h 57m1 stop Seattle/Tacoma Intl

6:10 am - 1:29 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

9h 19m2 stops Minneapolis St Paul Los Angeles

$456Delta

Wed, Sep 9 - Sat, Sep 12

9:46 am - 11:59 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

12h 13m2 stops Salt Lake City Atlanta Hartsfield-Jackson

2:05 pm - 10:45 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

10h 40m2 stops Salt Lake City Seattle/Tacoma Intl

$462Delta

Wed, Sep 9 - Fri, Sep 11

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

4h 15mnonstop

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

4h 38mnonstop

$470United Airlines

Fri, Sep 11 - Mon, Sep 14

Cheap direct flights

Enter your travel dates to find the best prices.

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

$357Southwest

Thu, Oct 22 - Mon, Oct 26

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

3h 55mnonstop

8:40 pm - 11:15 pmMDW Chicago Midway-SMF Sacramento Intl

4h 35mnonstop

$357Southwest

Sat, Oct 17 - Wed, Oct 21

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

Thu, Oct 15 - Mon, Oct 19

9:41 am - 3:55 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 14mnonstop

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

4h 38mnonstop

$357United Airlines

Wed, Sep 30 - Wed, Oct 7

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

$357American Airlines

Thu, Oct 1 - Tue, Oct 6

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

$357American Airlines

Thu, Oct 15 - Sat, Oct 17

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

$357American Airlines

Thu, Oct 15 - Sat, Oct 17

3:45 pm - 9:55 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 10mnonstop

12:06 pm - 2:55 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 49mnonstop

$357American Airlines

Thu, Dec 24 - Thu, Dec 31

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

$357Southwest

Tue, Oct 6 - Thu, Oct 8

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

$357Southwest

Tue, Oct 20 - Thu, Oct 22

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Alaska Airlines flights from Sacramento to Illinois

Our best Alaska Airlines deals on Sacramento to Illinois flight tickets

Alaska Airlines

Nov 14

SMF6:56 pmSacramento Intl

8h 44m

1 stop

ORD5:40 amChicago O'Hare Intl

Nov 15

ORD7:20 amChicago O'Hare Intl

7h 21m

1 stop

SMF12:41 pmSacramento Intl

$356

Alaska Airlines

Nov 16

SMF1:37 pmSacramento Intl

8h 12m

1 stop

ORD11:49 pmChicago O'Hare Intl

Nov 20

ORD2:16 pmChicago O'Hare Intl

8h 58m

1 stop

SMF9:14 pmSacramento Intl

$362

Alaska Airlines

Oct 1

SMF8:12 amSacramento Intl

9h 09m

1 stop

ORD7:21 pmChicago O'Hare Intl

Oct 4

ORD7:49 pmChicago O'Hare Intl

17h 01m

1 stop

SMF10:50 amSacramento Intl

$372

American Airlines flights from Sacramento to Illinois

Our best American Airlines deals on Sacramento to Illinois flight tickets

American Airlines

Oct 29

SMF11:59 pmSacramento Intl

9h 04m

1 stop

MLI11:03 amMoline Quad-City

Oct 31

MLI6:00 amMoline Quad-City

9h 17m

1 stop

SMF1:17 pmSacramento Intl

$350

American Airlines

Nov 12

SMF1:44 pmSacramento Intl

8h 23m

1 stop

MLI12:07 amMoline Quad-City

Nov 15

MLI5:03 pmMoline Quad-City

8h 52m

1 stop

SMF11:55 pmSacramento Intl

$359

American Airlines

Oct 29

SMF2:07 pmSacramento Intl

8h 04m

1 stop

MLI12:11 amMoline Quad-City

Oct 31

MLI11:21 amMoline Quad-City

11h 01m

2 stops

SMF8:22 pmSacramento Intl

$365

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Tue 10/13

11:52 am-3:24 pm

1 stop25h 32m

Lambert-St Louis

Mon 10/26

8:00 pm-11:04 am

1 stop17h 04m

$232

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Wed 10/7

11:53 am-11:59 pm

1 stop10h 06m

Lambert-St Louis

Fri 10/9

8:00 pm-10:57 am

1 stop16h 57m

$235

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Wed 10/7

11:53 am-7:17 pm

1 stop5h 24m

Lambert-St Louis

Tue 10/13

7:02 am-5:20 pm

2 stops12h 18m

$299

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Thu 10/1

6:52 am-11:59 pm

2 stops15h 07m

Lambert-St Louis

Mon 10/5

8:10 pm-10:58 am

1 stop16h 48m

$315

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Tue 10/13

7:59 pm-9:49 am

2 stops11h 50m

Lambert-St Louis

Mon 10/26

2:22 pm-10:46 pm

2 stops10h 24m

$318

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Mon 10/19

7:59 pm-8:53 am

2 stops10h 54m

Lambert-St Louis

Mon 10/26

2:22 pm-10:46 pm

2 stops10h 24m

$323

SacramentoMoline

SMF Sacramento Intl - MLI Moline Quad-City

SMFMLI

Sacramento Intl

Wed 1/27

12:55 pm-9:03 pm

1 stop6h 08m

Moline Quad-City

Sat 1/30

10:35 am-7:37 pm

2 stops11h 02m

$346

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

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

Wed 1/27

10:17 am-9:37 pm

2 stops9h 20m

Moline Quad-City

Sat 1/30

10:35 am-6:06 pm

2 stops9h 31m

$351

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 October is also cheap. Prices for this month can be found on momondo for an average of $429.

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	$113
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 $113. The best round-trip flight deal from Sacramento to Illinois found on momondo in the last 72 hours is $232.

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 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 23.31% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 19.58%, Boeing 737-900 at 16.26%, and Boeing 737 MAX 9 at 11.36%.

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 2,618 reviews	Search Frontier flights
Delta	PriceFrom $179	Free Cancellation	Rating 7.8 8,558 reviews	Search Delta flights
Alaska Airlines	PriceFrom $190	Free Cancellation	Rating 7.9 12,882 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.1 12,041 reviews	Search American Airlines flights
United Airlines	PriceFrom $320	Free Cancellation	Rating 7.4 10,172 reviews	Search United Airlines flights
Southwest	PriceFrom $380	Free Cancellation	Rating 8.0 4,202 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.