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

As of September 2026, there are 81 flights per week flying from Sacramento to Illinois. The most common day of the week flights depart is Sun, with 21% of flights taking off on this day.

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

As of September 2026, 11 flights take off from Sacramento and land in Illinois each day. The most common flight departure time for this route is 7:00AM, with 56% 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.

$104 Cheap Flights from Sacramento to Illinois in 2026/27

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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.

3:30 pm - 12:33 pmSMF Sacramento Intl-STL Lambert-St Louis

19h 03m1 stop Las Vegas Harry Reid Intl

4:18 pm - 11:09 amSTL Lambert-St Louis-SMF Sacramento Intl

20h 51m1 stop Denver Intl

$270Frontier

Thu, Oct 29 - Wed, Nov 4

8:37 am - 11:32 amSMF Sacramento Intl-STL Lambert-St Louis

24h 55m1 stop Las Vegas Harry Reid Intl

7:42 pm - 10:57 amSTL Lambert-St Louis-SMF Sacramento Intl

17h 15m1 stop Denver Intl

$280Frontier

Tue, Oct 6 - Sat, Oct 10

1:10 pm - 11:59 pmSMF Sacramento Intl-STL Lambert-St Louis

8h 49m1 stop Seattle/Tacoma Intl

7:59 pm - 11:10 amSTL Lambert-St Louis-SMF Sacramento Intl

17h 11m1 stop Denver Intl

$334Multiple Airlines

Sat, Oct 24 - Fri, Oct 30

7:35 am - 9:41 pmSMF Sacramento Intl-STL Lambert-St Louis

12h 06m2 stops Seattle/Tacoma Intl Salt Lake City

7:30 am - 5:55 pmSTL Lambert-St Louis-SMF Sacramento Intl

12h 25m2 stops Salt Lake City Seattle/Tacoma Intl

$343Delta

Tue, Jan 12 - Tue, Jan 19

7:43 pm - 9:20 amSMF Sacramento Intl-STL Lambert-St Louis

11h 37m2 stops Seattle/Tacoma Intl Minneapolis St Paul

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

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

$348Delta

Thu, Nov 12 - Tue, Nov 17

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

4h 03mnonstop

6:48 am - 12:15 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

7h 27m1 stop Phoenix Sky Harbor Intl

$359American Airlines

Fri, Oct 16 - Mon, Oct 19

2:49 pm - 12:20 amSMF Sacramento Intl-ORD Chicago O'Hare Intl

7h 31m1 stop Dallas/Fort Worth

10:00 am - 12:53 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 53mnonstop

$359American Airlines

Mon, Nov 23 - Fri, Nov 27

6:19 pm - 9:35 amSMF Sacramento Intl-ORD Chicago O'Hare Intl

13h 16m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth

7:26 pm - 11:10 amORD Chicago O'Hare Intl-SMF Sacramento Intl

17h 44m2 stops Minneapolis St Paul Denver Intl

$360Multiple Airlines

Tue, Nov 10 - Fri, Nov 13

1:30 pm - 9:05 pmSMF Sacramento Intl-STL Lambert-St Louis

5h 35m1 stop Dallas Love Field

8:25 am - 10:40 amSTL Lambert-St Louis-SMF Sacramento Intl

4h 15mnonstop

$361Southwest

Tue, Dec 8 - Tue, Dec 15

9:15 pm - 5:40 amSMF Sacramento Intl-MDW Chicago Midway

6h 25m1 stop Las Vegas Harry Reid Intl

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

4h 40mnonstop

$361Southwest

Thu, Nov 5 - Mon, Nov 9

Cheap last minute flights

Enter your travel dates to find the best prices.

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

9h 15m1 stop Las Vegas Harry Reid Intl

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

7h 16m1 stop Portland

$360Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

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

9h 15m1 stop Las Vegas Harry Reid Intl

6:30 am - 5:28 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

12h 58m2 stops Denver Intl Las Vegas Harry Reid Intl

$365Frontier

Tue, Sep 22 - Tue, Oct 6

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

10h 48m1 stop Denver Intl

7:32 pm - 7:48 amORD Chicago O'Hare Intl-SMF Sacramento Intl

14h 16m1 stop Las Vegas Harry Reid Intl

$366Frontier

Thu, Sep 24 - Sat, Sep 26

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

$376United Airlines

Tue, Sep 22 - Tue, Oct 6

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

$376American Airlines

Tue, Sep 22 - Tue, Oct 6

10:50 am - 8:22 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

7h 32m1 stop Denver Intl

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

4h 38mnonstop

$386United Airlines

Tue, Sep 22 - Tue, Oct 6

2:21 pm - 11:30 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

7h 09m1 stop Dallas/Fort Worth

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

4h 47mnonstop

$386American Airlines

Tue, Sep 22 - Tue, Oct 6

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

9h 09m1 stop San Diego

6:30 am - 10:58 amORD Chicago O'Hare Intl-SMF Sacramento Intl

6h 28m1 stop Denver Intl

$390Multiple Airlines

Fri, Sep 25 - Sat, Sep 26

2:14 pm - 11:31 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

7h 17m1 stop Los Angeles

7:35 am - 4:57 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

11h 22m2 stops Salt Lake City Seattle/Tacoma Intl

$401Delta

Tue, Sep 22 - Tue, Oct 6

9:17 am - 9:33 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

10h 16m2 stops Los Angeles Minneapolis St Paul

2:03 pm - 10:46 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

10h 43m2 stops Salt Lake City Seattle/Tacoma Intl

$406Delta

Tue, Sep 22 - Tue, Oct 6

Cheap direct flights

Enter your travel dates to find the best prices.

11:50 am - 5:25 pmSMF Sacramento Intl-STL Lambert-St Louis

3h 35mnonstop

8:25 am - 10:40 amSTL Lambert-St Louis-SMF Sacramento Intl

4h 15mnonstop

$362Southwest

Tue, Dec 8 - Tue, Dec 15

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

3h 55mnonstop

10:00 am - 12:35 pmMDW Chicago Midway-SMF Sacramento Intl

4h 35mnonstop

$367Southwest

Tue, Oct 27 - Wed, Nov 4

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

$367Southwest

Tue, Oct 20 - Wed, Oct 21

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

3h 55mnonstop

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

4h 35mnonstop

$367Southwest

Fri, Oct 30 - Fri, Oct 30

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

$369United Airlines

Thu, Oct 15 - Thu, Oct 22

7:00 am - 1:13 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 13mnonstop

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

4h 38mnonstop

$377United Airlines

Tue, Oct 20 - Sat, Oct 24

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

Mon, Oct 19 - Mon, Oct 26

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

$377American Airlines

Sat, Oct 17 - Mon, Oct 19

6:35 am - 12:50 pmSMF Sacramento Intl-ORD Chicago O'Hare Intl

4h 15mnonstop

8:00 pm - 10:55 pmORD Chicago O'Hare Intl-SMF Sacramento Intl

4h 55mnonstop

$377United Airlines

Thu, Jan 14 - Sat, Jan 16

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

4h 03mnonstop

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

4h 47mnonstop

$377American Airlines

Thu, Oct 29 - Tue, Nov 3

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American Airlines flights from Sacramento to Illinois

Our best American Airlines deals on Sacramento to Illinois flight tickets

American Airlines

Oct 16

SMF10:57 pmSacramento Intl

4h 03m

ORD5:00 amChicago O'Hare Intl

Oct 19

ORD6:48 amChicago O'Hare Intl

7h 27m

1 stop

SMF12:15 pmSacramento Intl

$359

American Airlines

Oct 29

SMF2:07 pmSacramento Intl

8h 04m

1 stop

MLI12:11 amMoline Quad-City

Oct 31

MLI5:03 pmMoline Quad-City

8h 56m

1 stop

SMF11:59 pmSacramento Intl

$364

American Airlines

Jan 8

SMF5:42 amSacramento Intl

8h 03m

1 stop

PIA3:45 pmGreater Peoria

Jan 10

PIA5:49 pmGreater Peoria

8h 08m

1 stop

SMF11:57 pmSacramento Intl

$379

United Airlines flights from Sacramento to Illinois

Our best United Airlines deals on Sacramento to Illinois flight tickets

United Airlines

Sep 22

SMF2:23 pmSacramento Intl

4h 15m

ORD8:38 pmChicago O'Hare Intl

Oct 6

ORD8:08 pmChicago O'Hare Intl

4h 38m

SMF10:46 pmSacramento Intl

$376

United Airlines

Oct 21

SMF2:25 pmSacramento Intl

4h 12m

ORD8:37 pmChicago O'Hare Intl

Oct 26

ORD7:55 pmChicago O'Hare Intl

4h 45m

SMF10:40 pmSacramento Intl

$377

United Airlines

Oct 21

SMF2:25 pmSacramento Intl

4h 12m

ORD8:37 pmChicago O'Hare Intl

Oct 24

ORD8:08 pmChicago O'Hare Intl

4h 38m

SMF10:46 pmSacramento Intl

$383

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Thu 10/29

3:30 pm-12:33 pm

1 stop19h 03m

Lambert-St Louis

Wed 11/4

4:18 pm-11:09 am

1 stop20h 51m

$270

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Tue 10/6

8:37 am-11:32 am

1 stop24h 55m

Lambert-St Louis

Sat 10/10

7:42 pm-10:57 am

1 stop17h 15m

$280

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Sat 10/24

1:10 pm-11:59 pm

1 stop8h 49m

Lambert-St Louis

Fri 10/30

7:59 pm-11:10 am

1 stop17h 11m

$334

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Tue 1/12

7:35 am-9:41 pm

2 stops12h 06m

Lambert-St Louis

Tue 1/19

7:30 am-5:55 pm

2 stops12h 25m

$343

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Thu 11/12

7:43 pm-9:20 am

2 stops11h 37m

Lambert-St Louis

Tue 11/17

2:20 pm-11:51 pm

2 stops11h 31m

$348

SacramentoChicago

SMF Sacramento Intl - ORD Chicago O'Hare Intl

SMFORD

Sacramento Intl

Fri 10/16

10:57 pm-5:00 am

Nonstop4h 03m

Chicago O'Hare Intl

Mon 10/19

6:48 am-12:15 pm

1 stop7h 27m

$359

SacramentoChicago

SMF Sacramento Intl - ORD Chicago O'Hare Intl

SMFORD

Sacramento Intl

Mon 11/23

2:49 pm-12:20 am

1 stop7h 31m

Chicago O'Hare Intl

Fri 11/27

10:00 am-12:53 pm

Nonstop4h 53m

$359

SacramentoChicago

SMF Sacramento Intl - ORD Chicago O'Hare Intl

SMFORD

Sacramento Intl

Tue 11/10

6:19 pm-9:35 am

2 stops13h 16m

Chicago O'Hare Intl

Fri 11/13

7:26 pm-11:10 am

2 stops17h 44m

$360

Quickest round-trip

SacramentoSt. Louis

SMF Sacramento Intl - STL Lambert-St Louis

SMFSTL

Sacramento Intl

Tue 12/8

1:30 pm-9:05 pm

1 stop5h 35m

Lambert-St Louis

Tue 12/15

8:25 am-10:40 am

Nonstop4h 15m

$361

SacramentoChicago

SMF Sacramento Intl - MDW Chicago Midway

SMFMDW

Sacramento Intl

Thu 11/5

9:15 pm-5:40 am

1 stop6h 25m

Chicago Midway

Mon 11/9

9:15 pm-11:55 pm

Nonstop4h 40m

$361

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 $488. Flights from Sacramento to Illinois on a Sunday will generally be more expensive and average around $591. 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 $559.

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 $480 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	$104
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 $104. The best round-trip flight deal from Sacramento to Illinois found on momondo in the last 72 hours is $270.

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 24.49% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 18.50%, Boeing 737-900 at 15.24%, and Boeing 737 MAX 9 at 13.26%.

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 2,587 reviews	Search Frontier flights
Delta	PriceFrom $179	Free Cancellation	Rating 7.8 8,590 reviews	Search Delta flights
Alaska Airlines	PriceFrom $190	Free Cancellation	Rating 7.9 12,954 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $330	Free Cancellation	Rating 7.4 10,220 reviews	Search United Airlines flights
American Airlines	PriceFrom $339	Free Cancellation	Rating 7.0 12,072 reviews	Search American Airlines flights
Southwest	PriceFrom $380	Free Cancellation	Rating 8.0 4,193 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.