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

As of May 2026, 10 flights take off from Sacramento and land in Illinois each day. The most common flight departure time for this route is 7:00AM, with 49% of daily flights taking off at noon.

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

As of May 2026, there are 71 flights per week flying from Sacramento to Illinois. The most common day of the week flights depart is Sun, with 23% of flights taking off on this day.

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

Southwest, Frontier, and American Airlines 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 50% 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.

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 May 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.

$105 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.

6:30 pm - 6:51 pm

SMF

STL

22h 21m

1 stop

7:10 pm - 3:32 pm

STL

SMF

22h 22m

1 stop

$228Frontier

Mon, Jun 15 - Fri, Jul 31

3:13 pm - 12:14 am

SMF

STL

7h 01m

1 stop

6:00 am - 10:31 am

STL

SMF

6h 31m

1 stop

$277American Airlines

Thu, Aug 6 - Wed, Aug 12

10:14 am - 8:38 pm

SMF

STL

8h 24m

2 stops

1:36 pm - 5:27 pm

STL

SMF

5h 51m

1 stop

$318United Airlines

Wed, Sep 16 - Wed, Sep 30

11:50 pm - 9:15 am

SMF

STL

7h 25m

1 stop

1:45 pm - 7:15 pm

STL

SMF

7h 30m

2 stops

$322Southwest

Sun, Aug 9 - Mon, Aug 10

1:10 pm - 10:30 pm

SMF

STL

7h 20m

1 stop

5:10 am - 9:36 am

STL

SMF

6h 26m

1 stop

$337United Airlines

Sat, Oct 3 - Thu, Oct 8

6:47 pm - 10:23 am

SMF

MLI

13h 36m

2 stops

11:09 am - 8:29 pm

MLI

SMF

11h 20m

2 stops

$350Delta

Tue, Sep 15 - Mon, Sep 21

5:20 am - 2:35 pm

SMF

MDW

7h 15m

2 stops

9:00 pm - 11:25 pm

MDW

SMF

4h 25mnonstop

$366Southwest

Thu, Aug 20 - Mon, Aug 24

8:19 pm - 8:30 am

SMF

ORD

10h 11m

2 stops

6:30 pm - 8:32 am

ORD

SMF

16h 02m

1 stop

$368Delta

Thu, Sep 17 - Mon, Sep 21

7:23 am - 6:57 pm

SMF

ORD

9h 34m

1 stop

6:42 pm - 9:26 am

ORD

SMF

16h 44m

1 stop

$376Alaska Airlines

Fri, Aug 7 - Mon, Aug 10

11:46 am - 5:00 am

SMF

ORD

15h 14m

1 stop

2:20 pm - 9:45 pm

ORD

SMF

9h 25m

1 stop

$377Alaska Airlines

Fri, Jun 26 - Fri, Jul 3

Frontier flights from Sacramento to Illinois

Our best Frontier deals on Sacramento to Illinois flight tickets

Frontier

Jun 15

SMF6:30 pmSacramento Intl

22h 21m

1 stop

STL6:51 pmLambert-St Louis

Jul 31

STL7:10 pmLambert-St Louis

22h 22m

1 stop

SMF3:32 pmSacramento Intl

$228

Frontier

Jun 8

SMF9:44 amSacramento Intl

8h 27m

1 stop

STL8:11 pmLambert-St Louis

Jun 9

STL6:03 pmLambert-St Louis

24h 12m

1 stop

SMF4:15 pmSacramento Intl

$280

Frontier

Jun 24

SMF5:10 pmSacramento Intl

18h 56m

1 stop

STL2:06 pmLambert-St Louis

Jun 29

STL2:56 pmLambert-St Louis

27h 19m

1 stop

SMF4:15 pmSacramento Intl

$288

American Airlines flights from Sacramento to Illinois

Our best American Airlines deals on Sacramento to Illinois flight tickets

American Airlines

Aug 6

SMF3:13 pmSacramento Intl

7h 01m

1 stop

STL12:14 amLambert-St Louis

Aug 12

STL6:00 amLambert-St Louis

6h 31m

1 stop

SMF10:31 amSacramento Intl

$277

American Airlines

Jun 25

SMF3:17 pmSacramento Intl

6h 59m

1 stop

STL12:16 amLambert-St Louis

Jun 29

STL5:29 amLambert-St Louis

6h 43m

1 stop

SMF10:12 amSacramento Intl

$317

American Airlines

Jun 22

SMF3:17 pmSacramento Intl

6h 59m

1 stop

STL12:16 amLambert-St Louis

Jun 25

STL7:20 pmLambert-St Louis

6h 51m

1 stop

SMF12:11 amSacramento Intl

$348

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 6/15

6:30 pm-6:51 pm

1 stop22h 21m

Lambert-St Louis

Fri 7/31

7:10 pm-3:32 pm

1 stop22h 22m

$228

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 8/6

3:13 pm-12:14 am

1 stop7h 01m

Lambert-St Louis

Wed 8/12

6:00 am-10:31 am

1 stop6h 31m

$277

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 9/16

10:14 am-8:38 pm

2 stops8h 24m

Lambert-St Louis

Wed 9/30

1:36 pm-5:27 pm

1 stop5h 51m

$318

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Sun 8/9

11:50 pm-9:15 am

1 stop7h 25m

Lambert-St Louis

Mon 8/10

1:45 pm-7:15 pm

2 stops7h 30m

$322

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Sat 10/3

1:10 pm-10:30 pm

1 stop7h 20m

Lambert-St Louis

Thu 10/8

5:10 am-9:36 am

1 stop6h 26m

$337

SacramentoMoline

SMF - MLI

SMFMLI

Sacramento Intl

Tue 9/15

6:47 pm-10:23 am

2 stops13h 36m

Moline Quad-City

Mon 9/21

11:09 am-8:29 pm

2 stops11h 20m

$350

Quickest round-trip

SacramentoChicago

SMF - MDW

SMFMDW

Sacramento Intl

Thu 8/20

5:20 am-2:35 pm

2 stops7h 15m

Chicago Midway

Mon 8/24

9:00 pm-11:25 pm

Nonstop4h 25m

$366

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Thu 9/17

8:19 pm-8:30 am

2 stops10h 11m

Chicago O'Hare Intl

Mon 9/21

6:30 pm-8:32 am

1 stop16h 02m

$368

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Fri 8/7

7:23 am-6:57 pm

1 stop9h 34m

Chicago O'Hare Intl

Mon 8/10

6:42 pm-9:26 am

1 stop16h 44m

$376

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Fri 6/26

11:46 am-5:00 am

1 stop15h 14m

Chicago O'Hare Intl

Fri 7/3

2:20 pm-9:45 pm

1 stop9h 25m

$377

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 September. Flight prices, which tend to average around $84, 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 September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $118.

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 $473. Flights from Sacramento to Illinois on a Sunday will generally be more expensive and average around $555. 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 $477. Flights at noon are often more expensive with an average ticket price of $545.

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 $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 $252 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 12% 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	$221
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 $221. The best round-trip flight deal from Sacramento to Illinois found on momondo in the last 72 hours is $444.

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 O'Hare Intl (ORD), 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 May 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 23.92% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 21.45%, Boeing 737-900 at 17.88%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 9.65%.

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 2,925 reviews	Search Frontier flights
Delta	PriceFrom $179	Free Cancellation	Rating 7.9 8,410 reviews	Search Delta flights
Alaska Airlines	PriceFrom $190	Free Cancellation	Rating 7.9 12,440 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $205	Free Cancellation	Rating 7.1 11,645 reviews	Search American Airlines flights
United Airlines	PriceFrom $307	Free Cancellation	Rating 7.4 9,769 reviews	Search United Airlines flights
Southwest	PriceFrom $335	Free Cancellation	Rating 8.0 4,257 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.