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

Spirit Airlines, Frontier, and Hawaiian Airlines are the most popular carriers operating from Sacramento Intl to Illinois

What airlines fly to Illinois?

United Airlines, American Airlines and Alaska Airlines 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 8 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 week?

As of July 2025, there are 90 flights per week flying from Sacramento to Illinois. The most common day of the week flights depart is Sat, with 18% of flights taking off on this day.

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

As of July 2025, 12 flights take off from Sacramento and land in Illinois each day. The most common flight departure time for this route is 2:00PM, with 42% of daily flights taking off in the afternoon.

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 July 2025.

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.

$55 Cheap Flights from Sacramento to Illinois in 2025

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Find the cheapest flights from Sacramento to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:30 am - 5:15 pmSMF-ORD

8h 45m1 stop

5:35 pm - 9:34 pmORD-SMF

5h 59m1 stop

$125Spirit Airlines

Find Deal

Tue, Aug 19 - Mon, Aug 25

7:26 pm - 6:03 amSMF-ORD

8h 37m1 stop

7:08 am - 11:06 amORD-SMF

5h 58m1 stop

$131Spirit Airlines

Find Deal

Fri, Aug 1 - Tue, Aug 5

11:55 am - 12:32 amSMF-ORD

10h 37m1 stop

6:00 am - 11:10 amORD-SMF

7h 10m1 stop

$190Frontier

Find Deal

Thu, Aug 28 - Sun, Aug 31

12:11 pm - 12:32 amSMF-ORD

10h 21m1 stop

5:40 am - 11:16 amORD-SMF

7h 36m1 stop

$194Frontier

Find Deal

Fri, Aug 8 - Mon, Aug 11

2:29 pm - 11:15 pmSMF-PIA

6h 46m1 stop

4:51 pm - 10:59 pmPIA-SMF

8h 08m1 stop

$289American Airlines

Find Deal

Sat, Oct 11 - Sat, Oct 18

3:05 pm - 11:36 pmSMF-MLI

6h 31m1 stop

5:50 pm - 10:56 pmMLI-SMF

7h 06m1 stop

$289American Airlines

Find Deal

Tue, Aug 5 - Wed, Aug 13

11:15 am - 4:55 pmSMF-STL

3h 40mnonstop

1:20 pm - 3:25 pmSTL-SMF

4h 05mnonstop

$337Southwest

Find Deal

Wed, Sep 10 - Wed, Sep 17

6:05 am - 12:00 pmSMF-MDW

3h 55mnonstop

2:15 pm - 4:35 pmMDW-SMF

4h 20mnonstop

$337Southwest

Find Deal

Sat, Aug 9 - Wed, Aug 13

11:45 pm - 10:19 amSMF-PIA

8h 34m1 stop

5:25 pm - 10:32 pmPIA-SMF

7h 07m1 stop

$429United Airlines

Find Deal

Tue, Jul 29 - Sat, Aug 2

6:50 pm - 10:19 amSMF-PIA

13h 29m2 stops

3:39 pm - 10:32 pmPIA-SMF

8h 53m1 stop

$434United Airlines

Find Deal

Tue, Jul 29 - Sat, Aug 2

Spirit Airlines flights from Sacramento to Illinois

Our best Spirit Airlines deals on Sacramento to Illinois flight tickets

Spirit Airlines

Aug 19

SMF6:30 amSacramento Intl

8h 45m

1 stop

ORD5:15 pmChicago O'Hare Intl

Aug 25

ORD5:35 pmChicago O'Hare Intl

5h 59m

1 stop

SMF9:34 pmSacramento Intl

$125

Find similar

Spirit Airlines

Aug 1

SMF7:26 pmSacramento Intl

8h 37m

1 stop

ORD6:03 amChicago O'Hare Intl

Aug 5

ORD7:08 amChicago O'Hare Intl

5h 58m

1 stop

SMF11:06 amSacramento Intl

$131

Find similar

Spirit Airlines

Sep 10

SMF6:30 amSacramento Intl

12h 31m

1 stop

ORD9:01 pmChicago O'Hare Intl

Sep 14

ORD6:00 amChicago O'Hare Intl

11h 22m

1 stop

SMF3:22 pmSacramento Intl

$140

Find similar

Frontier flights from Sacramento to Illinois

Our best Frontier deals on Sacramento to Illinois flight tickets

Frontier

Aug 28

SMF11:55 amSacramento Intl

10h 37m

1 stop

ORD12:32 amChicago O'Hare Intl

Aug 31

ORD6:00 amChicago O'Hare Intl

7h 10m

1 stop

SMF11:10 amSacramento Intl

$190

Find similar

Frontier

Aug 8

SMF12:11 pmSacramento Intl

10h 21m

1 stop

ORD12:32 amChicago O'Hare Intl

Aug 11

ORD5:40 amChicago O'Hare Intl

7h 36m

1 stop

SMF11:16 amSacramento Intl

$194

Find similar

Frontier

Sep 18

SMF12:06 pmSacramento Intl

19h 00m

1 stop

STL9:06 amLambert-St Louis

Oct 29

STL7:52 pmLambert-St Louis

17h 34m

1 stop

SMF11:26 amSacramento Intl

$261

Find similar

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 $407, 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 $426.

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 $501. Flights from Sacramento to Illinois on a Sunday will generally be more expensive and average around $582. 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 $464. Flights in the morning are often more expensive with an average ticket price of $534.

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 $471 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 $388 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 13% 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	$55
Fastest flight time	3h 40m
Direct flights	Every day
Airports in Illinois	8 airports

The best one-way flight to Illinois from Sacramento in the past 72 hours is $55. The best round-trip flight deal from Sacramento to Illinois found on momondo in the last 72 hours is $125.

The fastest flight from Sacramento to Illinois takes 3h 40m

Direct flights go from Sacramento to Illinois every day.

There are 8 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Chicago Greater Rockford (RFD), Greater Peoria (PIA), Lambert-St Louis (STL), Moline Quad-City (MLI), Champaign University-Willard (CMI), Bloomington-Normal (BMI)

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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 July 2025.
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 35.80% of all bookings. The subsequent popular models are Airbus A321neo at 16.52%, Boeing 737 MAX 8 at 13.42%, and Boeing 737 MAX 9 at 10.74%.

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 $144	Free Cancellation	Rating 5.9 3,260 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $149	Free Cancellation	Rating 6.3 8,047 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $295	Free Cancellation	Rating 8.0 7,953 reviews	Search Delta flights
United Airlines	PriceFrom $319	Free Cancellation	Rating 7.4 8,856 reviews	Search United Airlines flights
Southwest	PriceFrom $381	Free Cancellation	Rating 8.0 4,243 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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Popular cities in Illinois

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Cheap flights from Sacramento to Illinois from $55

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 8/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Sacramento to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Sacramento to Illinois

Our best Spirit Airlines deals on Sacramento to Illinois flight tickets

Frontier flights from Sacramento to Illinois

Our best Frontier deals on Sacramento to Illinois flight tickets

See travel insights to Illinois from

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

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 $464. Flights in the morning are often more expensive with an average ticket price of $534.

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?

You could potentially save up to 13% on your flight if you consider stops on a Sacramento to Illinois flight.

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

Spirit Airlines, Frontier, and Hawaiian Airlines 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 July 2025, 12 flights take off from Sacramento and land in Illinois each day. The most common flight departure time for this route is 2:00PM, with 42% of daily flights taking off in the afternoon.

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

As of July 2025, there are 90 flights per week flying from Sacramento to Illinois. The most common day of the week flights depart is Sat, with 18% 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