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

As of February 2026, there are 65 flights per week flying from Sacramento to Illinois. The most common day of the week flights depart is Thu, with 23% of flights taking off on this day.

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

Alaska Airlines, Frontier, and United Airlines are the most popular carriers operating from Sacramento Intl to Illinois

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

As of February 2026, 9 flights take off from Sacramento and land in Illinois each day. The most common flight departure time for this route is 10:00AM, with 93% 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 49% 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 February 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.

$77 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.

12:04 pm - 7:12 pm

SMF

STL

29h 08m

1 stop

8:13 pm - 10:57 am

STL

SMF

40h 44m

2 stops

$233Frontier

Thu, Apr 23 - Wed, May 6

11:59 pm - 8:25 am

SMF

STL

6h 26m

1 stop

4:49 pm - 10:30 pm

STL

SMF

7h 41m

1 stop

$237United Airlines

Sun, Apr 26 - Tue, Apr 28

6:00 am - 1:51 pm

SMF

STL

29h 51m

1 stop

3:50 pm - 9:46 pm

STL

SMF

7h 56m

1 stop

$255Alaska Airlines

Mon, Mar 16 - Tue, Mar 24

10:20 pm - 8:35 am

SMF

ORD

8h 15m

1 stop

7:20 am - 7:08 pm

ORD

SMF

13h 48m

2 stops

$261Delta

Thu, Mar 5 - Mon, Mar 9

8:00 am - 11:59 pm

SMF

STL

13h 59m

1 stop

3:50 pm - 9:46 pm

STL

SMF

7h 56m

1 stop

$263Alaska Airlines

Tue, Apr 7 - Tue, Apr 14

11:50 pm - 5:44 am

SMF

ORD

3h 54mnonstop

5:00 am - 12:14 pm

ORD

SMF

9h 14m

1 stop

$264American Airlines

Mon, Mar 9 - Wed, Mar 11

12:25 pm - 10:33 pm

SMF

MDW

8h 08m

1 stop

1:29 pm - 11:26 pm

MDW

SMF

11h 57m

2 stops

$266Delta

Tue, Mar 3 - Fri, Mar 6

11:48 am - 10:17 pm

SMF

STL

8h 29m

1 stop

5:51 am - 10:48 am

STL

SMF

6h 57m

1 stop

$282American Airlines

Wed, Apr 8 - Sun, Apr 12

11:45 pm - 5:40 am

SMF

MDW

3h 55mnonstop

8:55 pm - 11:20 pm

MDW

SMF

4h 25mnonstop

$317Southwest

Sat, Apr 18 - Wed, Apr 22

8:15 pm - 4:35 am

SMF

MDW

6h 20m

1 stop

9:00 pm - 11:35 pm

MDW

SMF

4h 35mnonstop

$327Southwest

Tue, Mar 17 - Tue, Mar 24

Alaska Airlines flights from Sacramento to Illinois

Our best Alaska Airlines deals on Sacramento to Illinois flight tickets

Alaska Airlines

Mar 16

SMF6:00 amSacramento Intl

29h 51m

1 stop

STL1:51 pmLambert-St Louis

Mar 24

STL3:50 pmLambert-St Louis

7h 56m

1 stop

SMF9:46 pmSacramento Intl

$255

Alaska Airlines

Apr 7

SMF8:00 amSacramento Intl

13h 59m

1 stop

STL11:59 pmLambert-St Louis

Apr 14

STL3:50 pmLambert-St Louis

7h 56m

1 stop

SMF9:46 pmSacramento Intl

$263

Alaska Airlines

Apr 9

SMF2:02 pmSacramento Intl

7h 57m

1 stop

ORD11:59 pmChicago O'Hare Intl

Apr 13

ORD4:10 pmChicago O'Hare Intl

8h 48m

1 stop

SMF10:58 pmSacramento Intl

$267

American Airlines flights from Sacramento to Illinois

Our best American Airlines deals on Sacramento to Illinois flight tickets

American Airlines

Apr 8

SMF11:48 amSacramento Intl

8h 29m

1 stop

STL10:17 pmLambert-St Louis

Apr 12

STL5:51 amLambert-St Louis

6h 57m

1 stop

SMF10:48 amSacramento Intl

$282

American Airlines

Apr 8

SMF1:03 pmSacramento Intl

7h 56m

2 stops

STL10:59 pmLambert-St Louis

Apr 12

STL5:51 amLambert-St Louis

6h 57m

1 stop

SMF10:48 amSacramento Intl

$287

American Airlines

Jun 15

SMF11:10 pmSacramento Intl

4h 30m

ORD5:40 amChicago O'Hare Intl

Jun 22

ORD5:00 amChicago O'Hare Intl

9h 07m

1 stop

SMF12:07 pmSacramento Intl

$296

Fly from

Fly to

Route

Depart

Return

Price

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 4/23

12:04 pm-7:12 pm

1 stop29h 08m

Lambert-St Louis

Wed 5/6

8:13 pm-10:57 am

2 stops40h 44m

$233

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Sun 4/26

11:59 pm-8:25 am

1 stop6h 26m

Lambert-St Louis

Tue 4/28

4:49 pm-10:30 pm

1 stop7h 41m

$237

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 3/16

6:00 am-1:51 pm

1 stop29h 51m

Lambert-St Louis

Tue 3/24

3:50 pm-9:46 pm

1 stop7h 56m

$255

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Thu 3/5

10:20 pm-8:35 am

1 stop8h 15m

Chicago O'Hare Intl

Mon 3/9

7:20 am-7:08 pm

2 stops13h 48m

$261

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 4/7

8:00 am-11:59 pm

1 stop13h 59m

Lambert-St Louis

Tue 4/14

3:50 pm-9:46 pm

1 stop7h 56m

$263

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Mon 3/9

11:50 pm-5:44 am

Nonstop3h 54m

Chicago O'Hare Intl

Wed 3/11

5:00 am-12:14 pm

1 stop9h 14m

$264

SacramentoChicago

SMF - MDW

SMFMDW

Sacramento Intl

Tue 3/3

12:25 pm-10:33 pm

1 stop8h 08m

Chicago Midway

Fri 3/6

1:29 pm-11:26 pm

2 stops11h 57m

$266

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 4/8

11:48 am-10:17 pm

1 stop8h 29m

Lambert-St Louis

Sun 4/12

5:51 am-10:48 am

1 stop6h 57m

$282

SacramentoChicago

SMF - MDW

SMFMDW

Sacramento Intl

Sat 4/18

11:45 pm-5:40 am

Nonstop3h 55m

Chicago Midway

Wed 4/22

8:55 pm-11:20 pm

Nonstop4h 25m

$317

SacramentoChicago

SMF - MDW

SMFMDW

Sacramento Intl

Tue 3/17

8:15 pm-4:35 am

1 stop6h 20m

Chicago Midway

Tue 3/24

9:00 pm-11:35 pm

Nonstop4h 35m

$327

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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 February. Flight prices, which tend to average around $332, 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 February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $388.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Sacramento to Illinois is on a Wednesday when prices can be found for as low as $484. 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 $467. Flights at noon are often more expensive with an average ticket price of $528.

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 $460 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 $349 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?

You could potentially save up to 8% 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	$192
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 $192. The best round-trip flight deal from Sacramento to Illinois found on momondo in the last 72 hours is $377.

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

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 February 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 28.59% of all bookings. The subsequent popular models are Boeing 737-800 at 20.75%, Boeing 737 MAX 9 at 11.03%, and Airbus A320-100/200 at 10.01%.

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 $154	Free Cancellation	Rating 5.7 3,046 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $166	Free Cancellation	Rating 6.3 8,478 reviews	Search Spirit Airlines flights
Delta	PriceFrom $200	Free Cancellation	Rating 7.9 8,217 reviews	Search Delta flights
American Airlines	PriceFrom $205	Free Cancellation	Rating 7.2 11,321 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $235	Free Cancellation	Rating 8.0 11,907 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 9,325 reviews	Search United Airlines flights
Southwest	PriceFrom $332	Free Cancellation	Rating 8.0 4,295 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.

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Cheap flights from Sacramento to Illinois from $77

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sacramento to Illinois departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Alaska Airlines flights from Sacramento to Illinois

Our best Alaska Airlines deals on Sacramento to Illinois flight tickets

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Use the filters below to find and compare flights from Sacramento to Illinois that are best for you.

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How to get the cheapest flight ticket from Sacramento to Illinois

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

What is the cheapest Sacramento Intl to Illinois flight route?

How far in advance should I book a flight to Illinois?

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

Can stopping save me money on Sacramento to Illinois flights?

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

What airlines fly to Illinois?

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

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

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

Fastest flight time

Direct flights

Airports in Illinois

Best airlines flying from Sacramento to Illinois

Compare and see reviews for airlines that fly from Sacramento to Illinois with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Sacramento to Illinois?

Can I find flights from Sacramento to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from Sacramento to Illinois?

I’m not ready to book a flight from Sacramento to Illinois right now. Can momondo alert me if prices change?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

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