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

Alaska Airlines, Delta, and Frontier 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 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.

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

As of February 2026, 6 flights take off from Sacramento and land in Illinois each day. The most common flight departure time for this route is 7:00AM, with 100% of daily flights taking off at noon.

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

As of February 2026, there are 46 flights per week flying from Sacramento to Illinois. The most common day of the week flights depart is Mon, with 15% 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 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.

$82 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.

4:41 pm - 9:49 am

SMF

STL

15h 08m

1 stop

8:06 pm - 3:56 pm

STL

SMF

45h 50m

2 stops

$236Frontier

Fri, Mar 6 - Tue, Mar 10

11:48 am - 6:05 pm

SMF

ORD

4h 17mnonstop

8:20 am - 10:58 am

ORD

SMF

4h 38mnonstop

$259American Airlines

Sat, May 2 - Sat, May 9

3:07 pm - 11:59 pm

SMF

ORD

6h 52m

1 stop

3:54 pm - 9:14 pm

ORD

SMF

7h 20m

1 stop

$263Alaska Airlines

Thu, Mar 5 - Mon, Mar 9

7:46 pm - 8:54 am

SMF

MDW

11h 08m

2 stops

1:49 pm - 11:43 pm

MDW

SMF

11h 54m

2 stops

$265Delta

Fri, Feb 27 - Mon, Mar 2

7:46 pm - 10:25 am

SMF

ORD

12h 39m

2 stops

2:05 pm - 11:26 pm

ORD

SMF

11h 21m

2 stops

$265Delta

Fri, Feb 27 - Mon, Mar 2

10:38 am - 11:59 pm

SMF

ORD

11h 21m

2 stops

7:59 pm - 9:59 am

ORD

SMF

16h 00m

1 stop

$268Alaska Airlines

Wed, Apr 29 - Mon, May 4

11:55 pm - 5:45 am

SMF

MDW

3h 50mnonstop

5:35 pm - 10:30 pm

MDW

SMF

6h 55m

1 stop

$327Southwest

Wed, Apr 22 - Wed, Apr 29

8:50 pm - 5:45 am

SMF

MDW

6h 55m

1 stop

9:55 am - 4:00 pm

MDW

SMF

8h 05m

1 stop

$337Southwest

Wed, Apr 22 - Wed, Apr 29

8:30 pm - 10:11 am

SMF

PIA

11h 41m

2 stops

10:40 am - 8:26 pm

PIA

SMF

11h 46m

2 stops

$368United Airlines

Mon, Mar 2 - Mon, Mar 9

11:59 pm - 10:03 am

SMF

PIA

8h 04m

1 stop

5:25 pm - 10:47 pm

PIA

SMF

7h 22m

1 stop

$407United Airlines

Sat, Mar 21 - Thu, Mar 26

Delta flights from Sacramento to Illinois

Our best Delta deals on Sacramento to Illinois flight tickets

Delta

Feb 27

SMF7:46 pmSacramento Intl

11h 55m

2 stops

ORD9:41 amChicago O'Hare Intl

Mar 2

ORD2:05 pmChicago O'Hare Intl

11h 21m

2 stops

SMF11:26 pmSacramento Intl

$265

Delta

May 16

SMF11:04 pmSacramento Intl

6h 54m

1 stop

ORD7:58 amChicago O'Hare Intl

Jun 2

ORD7:45 pmChicago O'Hare Intl

5h 48m

1 stop

SMF11:33 pmSacramento Intl

$309

Delta

Feb 25

SMF11:45 amSacramento Intl

9h 38m

2 stops

STL11:23 pmLambert-St Louis

Feb 27

STL2:22 pmLambert-St Louis

9h 27m

2 stops

SMF9:49 pmSacramento Intl

$313

Frontier flights from Sacramento to Illinois

Our best Frontier deals on Sacramento to Illinois flight tickets

Frontier

Mar 12

SMF4:41 pmSacramento Intl

15h 08m

1 stop

STL9:49 amLambert-St Louis

Mar 17

STL8:06 pmLambert-St Louis

41h 00m

2 stops

SMF11:06 amSacramento Intl

$262

Frontier

Feb 27

SMF10:53 amSacramento Intl

21h 58m

2 stops

ORD10:51 amChicago O'Hare Intl

Mar 8

ORD10:53 amChicago O'Hare Intl

26h 13m

1 stop

SMF11:06 amSacramento Intl

$264

Frontier

Mar 13

SMF11:51 amSacramento Intl

14h 58m

1 stop

ORD4:49 amChicago O'Hare Intl

Mar 18

ORD9:28 amChicago O'Hare Intl

27h 38m

2 stops

SMF11:06 amSacramento Intl

$269

Fly from

Fly to

Route

Depart

Return

Price

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 3/6

4:41 pm-9:49 am

1 stop15h 08m

Lambert-St Louis

Tue 3/10

8:06 pm-3:56 pm

2 stops45h 50m

$236

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Sat 5/2

11:48 am-6:05 pm

Nonstop4h 17m

Chicago O'Hare Intl

Sat 5/9

8:20 am-10:58 am

Nonstop4h 38m

$259

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Thu 3/5

3:07 pm-11:59 pm

1 stop6h 52m

Chicago O'Hare Intl

Mon 3/9

3:54 pm-9:14 pm

1 stop7h 20m

$263

SacramentoChicago

SMF - MDW

SMFMDW

Sacramento Intl

Fri 2/27

7:46 pm-8:54 am

2 stops11h 08m

Chicago Midway

Mon 3/2

1:49 pm-11:43 pm

2 stops11h 54m

$265

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Fri 2/27

7:46 pm-10:25 am

2 stops12h 39m

Chicago O'Hare Intl

Mon 3/2

2:05 pm-11:26 pm

2 stops11h 21m

$265

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Wed 4/29

10:38 am-11:59 pm

2 stops11h 21m

Chicago O'Hare Intl

Mon 5/4

7:59 pm-9:59 am

1 stop16h 00m

$268

SacramentoChicago

SMF - MDW

SMFMDW

Sacramento Intl

Wed 4/22

11:55 pm-5:45 am

Nonstop3h 50m

Chicago Midway

Wed 4/29

5:35 pm-10:30 pm

1 stop6h 55m

$327

SacramentoChicago

SMF - MDW

SMFMDW

Sacramento Intl

Wed 4/22

8:50 pm-5:45 am

1 stop6h 55m

Chicago Midway

Wed 4/29

9:55 am-4:00 pm

1 stop8h 05m

$337

SacramentoPeoria

SMF - PIA

SMFPIA

Sacramento Intl

Mon 3/2

8:30 pm-10:11 am

2 stops11h 41m

Greater Peoria

Mon 3/9

10:40 am-8:26 pm

2 stops11h 46m

$368

SacramentoPeoria

SMF - PIA

SMFPIA

Sacramento Intl

Sat 3/21

11:59 pm-10:03 am

1 stop8h 04m

Greater Peoria

Thu 3/26

5:25 pm-10:47 pm

1 stop7h 22m

$407

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 February 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 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 $549. 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 $465. Flights at noon are often more expensive with an average ticket price of $531.

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 $341 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	$196
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 $196. The best round-trip flight deal from Sacramento to Illinois found on momondo in the last 72 hours is $378.

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 737-800, representing 27.43% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 23.88%, Boeing 737 MAX 9 at 15.56%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 8.17%.

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 3,051 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $166	Free Cancellation	Rating 6.3 8,409 reviews	Search Spirit Airlines flights
Delta	PriceFrom $198	Free Cancellation	Rating 7.9 8,139 reviews	Search Delta flights
Alaska Airlines	PriceFrom $235	Free Cancellation	Rating 8.0 11,835 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $273	Free Cancellation	Rating 7.2 11,218 reviews	Search American Airlines flights
United Airlines	PriceFrom $285	Free Cancellation	Rating 7.4 9,236 reviews	Search United Airlines flights
Southwest	PriceFrom $332	Free Cancellation	Rating 8.0 4,272 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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Flights to Seattlefrom $83

Cheap flights from Sacramento to Illinois from $82

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 4/11. 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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Delta flights from Sacramento to Illinois

Our best Delta deals on Sacramento to Illinois flight tickets

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Our best Frontier 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?

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 $465. Flights at noon are often more expensive with an average ticket price of $531.

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?

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.

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

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

What airlines fly to Illinois?

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

As of February 2026, 6 flights take off from Sacramento and land in Illinois each day. The most common flight departure time for this route is 7:00AM, with 100% of daily flights taking off at noon.

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

As of February 2026, there are 46 flights per week flying from Sacramento to Illinois. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

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

When did momondo last update prices for flights from Sacramento Intl Airport to Illinois?

How many operators does momondo search for flights from Sacramento Intl Airport to Illinois?

How old do you have to be to fly from Sacramento Intl Airport to Illinois?

What documentation or ID do you need to fly to Illinois?

What is the most popular plane model from Sacramento to 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

Popular flights according to clicks in the last 7 days on momondo

Illinois flight routes

According to popular flight searches on momondo this year

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