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

As of April 2026, 13 flights take off from Sacramento and land in Illinois each day. The most common flight departure time for this route is 7:00AM, with 72% 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 48% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 9 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?

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

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

As of April 2026, there are 96 flights per week flying from Sacramento to Illinois. The most common day of the week flights depart is Mon, with 18% 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 7 operators available for flights from Sacramento Intl Airport to Illinois as of April 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.

$75 Cheap Flights from Sacramento to Illinois in 2026

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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.

2:42 pm - 6:06 pm

SMF

STL

25h 24m

1 stop

6:51 pm - 4:19 pm

STL

SMF

23h 28m

1 stop

$191Frontier

Tue, May 5 - Tue, May 12

5:14 pm - 6:06 pm

SMF

STL

22h 52m

1 stop

6:03 pm - 4:15 pm

STL

SMF

24h 12m

1 stop

$196Frontier

Tue, May 12 - Tue, Jun 9

11:00 pm - 7:55 am

SMF

STL

6h 55m

1 stop

7:20 pm - 11:30 pm

STL

SMF

6h 10m

1 stop

$250Southwest

Thu, May 28 - Mon, Jun 1

3:00 pm - 12:45 am

SMF

STL

7h 45m

1 stop

5:35 am - 9:25 am

STL

SMF

5h 50m

1 stop

$264Southwest

Thu, Aug 6 - Tue, Aug 11

11:59 pm - 6:19 pm

SMF

PAH

16h 20m

2 stops

2:17 pm - 10:43 pm

PAH

SMF

10h 26m

1 stop

$364United Airlines

Mon, May 18 - Mon, Jun 1

2:27 pm - 11:13 pm

SMF

PIA

6h 46m

1 stop

6:58 pm - 11:37 pm

PIA

SMF

6h 39m

1 stop

$369American Airlines

Sat, May 16 - Fri, May 22

11:30 am - 11:13 pm

SMF

PIA

9h 43m

2 stops

6:58 pm - 11:37 pm

PIA

SMF

6h 39m

1 stop

$374American Airlines

Sat, May 16 - Fri, May 22

9:08 am - 10:21 pm

SMF

MLI

11h 13m

2 stops

5:56 am - 4:07 pm

MLI

SMF

12h 11m

2 stops

$379Delta

Wed, May 13 - Sun, May 24

12:24 pm - 10:35 pm

SMF

MLI

8h 11m

1 stop

5:17 pm - 10:57 pm

MLI

SMF

7h 40m

1 stop

$394Delta

Sat, May 2 - Fri, May 8

11:07 pm - 9:54 am

SMF

MLI

8h 47m

1 stop

2:29 pm - 10:22 pm

MLI

SMF

9h 53m

1 stop

$431United Airlines

Sat, Aug 22 - Tue, Aug 25

Alaska Airlines flights from Sacramento to Illinois

Our best Alaska Airlines deals on Sacramento to Illinois flight tickets

Alaska Airlines

May 5

SMF10:38 amSacramento Intl

6h 25m

1 stop

ORD7:03 pmChicago O'Hare Intl

Jun 3

ORD2:10 pmChicago O'Hare Intl

7h 22m

1 stop

SMF7:32 pmSacramento Intl

$320

Alaska Airlines

Jul 14

SMF1:30 pmSacramento Intl

8h 06m

1 stop

ORD11:36 pmChicago O'Hare Intl

Jul 22

ORD6:20 amChicago O'Hare Intl

8h 33m

1 stop

SMF12:53 pmSacramento Intl

$321

Alaska Airlines

May 2

SMF7:51 pmSacramento Intl

8h 49m

1 stop

ORD6:40 amChicago O'Hare Intl

May 9

ORD3:52 pmChicago O'Hare Intl

9h 02m

1 stop

SMF10:54 pmSacramento Intl

$322

Frontier flights from Sacramento to Illinois

Our best Frontier deals on Sacramento to Illinois flight tickets

Frontier

May 5

SMF2:42 pmSacramento Intl

25h 24m

1 stop

STL6:06 pmLambert-St Louis

May 12

STL6:51 pmLambert-St Louis

23h 28m

1 stop

SMF4:19 pmSacramento Intl

$191

Frontier

May 12

SMF5:14 pmSacramento Intl

22h 52m

1 stop

STL6:06 pmLambert-St Louis

Jun 9

STL6:03 pmLambert-St Louis

24h 12m

1 stop

SMF4:15 pmSacramento Intl

$196

Frontier

May 3

SMF11:03 amSacramento Intl

6h 18m

1 stop

STL7:21 pmLambert-St Louis

May 4

STL9:55 pmLambert-St Louis

17h 52m

1 stop

SMF1:47 pmSacramento Intl

$211

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 5/5

2:42 pm-6:06 pm

1 stop25h 24m

Lambert-St Louis

Tue 5/12

6:51 pm-4:19 pm

1 stop23h 28m

$191

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 5/12

5:14 pm-6:06 pm

1 stop22h 52m

Lambert-St Louis

Tue 6/9

6:03 pm-4:15 pm

1 stop24h 12m

$196

Quickest round-trip

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 5/28

11:00 pm-7:55 am

1 stop6h 55m

Lambert-St Louis

Mon 6/1

7:20 pm-11:30 pm

1 stop6h 10m

$250

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 8/6

3:00 pm-12:45 am

1 stop7h 45m

Lambert-St Louis

Tue 8/11

5:35 am-9:25 am

1 stop5h 50m

$264

SacramentoPaducah

SMF - PAH

SMFPAH

Sacramento Intl

Mon 5/18

11:59 pm-6:19 pm

2 stops16h 20m

Paducah Barkley Regional

Mon 6/1

2:17 pm-10:43 pm

1 stop10h 26m

$364

SacramentoPeoria

SMF - PIA

SMFPIA

Sacramento Intl

Sat 5/16

2:27 pm-11:13 pm

1 stop6h 46m

Greater Peoria

Fri 5/22

6:58 pm-11:37 pm

1 stop6h 39m

$369

SacramentoPeoria

SMF - PIA

SMFPIA

Sacramento Intl

Sat 5/16

11:30 am-11:13 pm

2 stops9h 43m

Greater Peoria

Fri 5/22

6:58 pm-11:37 pm

1 stop6h 39m

$374

SacramentoMoline

SMF - MLI

SMFMLI

Sacramento Intl

Wed 5/13

9:08 am-10:21 pm

2 stops11h 13m

Moline Quad-City

Sun 5/24

5:56 am-4:07 pm

2 stops12h 11m

$379

SacramentoMoline

SMF - MLI

SMFMLI

Sacramento Intl

Sat 5/2

12:24 pm-10:35 pm

1 stop8h 11m

Moline Quad-City

Fri 5/8

5:17 pm-10:57 pm

1 stop7h 40m

$394

SacramentoMoline

SMF - MLI

SMFMLI

Sacramento Intl

Sat 8/22

11:07 pm-9:54 am

1 stop8h 47m

Moline Quad-City

Tue 8/25

2:29 pm-10:22 pm

1 stop9h 53m

$431

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 $388, 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 May is also cheap. Prices for this month can be found on momondo for an average of $403.

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 $472. Flights from Sacramento to Illinois on a Sunday will generally be more expensive and average around $543. 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 afternoon. Flights from Sacramento to Illinois during this time can be as low as $476. Flights at noon are often more expensive with an average ticket price of $526.

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 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 $463 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 $326 on momondo.

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

There are 4 cabin classes available to choose from on Sacramento Intl 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	$231
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 $231. The best round-trip flight deal from Sacramento to Illinois found on momondo in the last 72 hours is $446.

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 7 operators available for flights from Sacramento Intl Airport to Illinois as of April 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 MAX 8, representing 23.76% of all bookings. The subsequent popular models are Boeing 737-800 at 19.13%, Boeing 737-900 at 16.33%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 11.25%.

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 $158	Free Cancellation	Rating 5.6 2,983 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $171	Free Cancellation	Rating 6.3 8,625 reviews	Search Spirit Airlines flights
Alaska Airlines	PriceFrom $190	Free Cancellation	Rating 7.9 12,265 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $190	Free Cancellation	Rating 7.1 11,634 reviews	Search American Airlines flights
Delta	PriceFrom $194	Free Cancellation	Rating 7.9 8,425 reviews	Search Delta flights
United Airlines	PriceFrom $273	Free Cancellation	Rating 7.4 9,608 reviews	Search United Airlines flights
Southwest	PriceFrom $335	Free Cancellation	Rating 8.0 4,330 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.