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Cheap flights from Sacramento to Illinois from $69

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 2/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Sacramento to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 1:53 pm
SMF
-
STL
5h 53m1 stop
American Airlines Logo
5:04 pm - 11:30 pm
STL
-
SMF
8h 26m1 stop
$189American Airlines
Tue, Jan 6 - Tue, Jan 13
American Airlines Logo
6:00 am - 1:53 pm
SMF
-
STL
5h 53m1 stop
American Airlines Logo
11:55 am - 8:32 pm
STL
-
SMF
10h 37m2 stops
$194American Airlines
Tue, Jan 6 - Tue, Jan 13
Alaska Airlines Logo
6:00 am - 11:59 pm
SMF
-
STL
15h 59m1 stop
Alaska Airlines Logo
2:47 pm - 9:14 pm
STL
-
SMF
8h 27m1 stop
$242Alaska Airlines
Thu, Feb 26 - Mon, Mar 2
Delta Logo
11:45 am - 11:23 pm
SMF
-
STL
9h 38m2 stops
Delta Logo
7:00 am - 12:06 pm
STL
-
SMF
7h 06m1 stop
$248Delta
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
7:00 am - 1:13 pm
SMF
-
ORD
4h 13mnonstop
United Airlines Logo
9:04 am - 11:55 am
ORD
-
SMF
4h 51mnonstop
$272United Airlines
Sat, Jan 10 - Sat, Jan 17
Delta Logo
9:48 am - 11:53 pm
SMF
-
ORD
12h 05m2 stops
Delta Logo
6:15 am - 2:08 pm
ORD
-
SMF
9h 53m2 stops
$274Delta
Tue, Jan 6 - Mon, Jan 19
Multiple Airlines Logo
12:34 pm - 12:12 am
SMF
-
ORD
9h 38m1 stop
Multiple Airlines Logo
7:00 am - 11:56 pm
ORD
-
SMF
18h 56m1 stop
$279Multiple Airlines
Thu, Mar 12 - Sun, Mar 15
Southwest Logo
7:15 am - 4:30 pm
SMF
-
MDW
7h 15m1 stop
Southwest Logo
8:25 am - 11:10 am
MDW
-
SMF
4h 45mnonstop
$280Southwest
Thu, Jan 29 - Tue, Feb 3
United Airlines Logo
8:45 am - 6:55 pm
SMF
-
ORD
8h 10m1 stop
United Airlines Logo
7:38 pm - 10:30 pm
ORD
-
SMF
4h 52mnonstop
$285United Airlines
Fri, Feb 20 - Mon, Feb 23
Southwest Logo
5:15 am - 2:30 pm
SMF
-
STL
7h 15m2 stops
Southwest Logo
5:30 am - 9:55 am
STL
-
SMF
6h 25m1 stop
$315Southwest
Thu, Dec 18 - Sat, Jan 10

United Airlines flights from Sacramento to Illinois

Our best United Airlines deals on Sacramento to Illinois flight tickets
United Airlines
Jan 10
SMF7:00 amSacramento Intl
4h 13m
ORD1:13 pmChicago O'Hare Intl
Jan 17
ORD9:04 amChicago O'Hare Intl
4h 51m
SMF11:55 amSacramento Intl
$272
Find similar
United Airlines
Feb 20
SMF8:45 amSacramento Intl
8h 10m
1 stop
ORD6:55 pmChicago O'Hare Intl
Feb 23
ORD7:38 pmChicago O'Hare Intl
4h 52m
SMF10:30 pmSacramento Intl
$285
Find similar
United Airlines
Feb 21
SMF7:08 amSacramento Intl
4h 07m
ORD1:15 pmChicago O'Hare Intl
Mar 1
ORD9:14 amChicago O'Hare Intl
4h 51m
SMF12:05 pmSacramento Intl
$289
Find similar

Alaska Airlines flights from Sacramento to Illinois

Our best Alaska Airlines deals on Sacramento to Illinois flight tickets
Alaska Airlines
Feb 26
SMF6:00 amSacramento Intl
15h 59m
1 stop
STL11:59 pmLambert-St Louis
Mar 2
STL2:47 pmLambert-St Louis
8h 27m
1 stop
SMF9:14 pmSacramento Intl
$242
Find similar
Alaska Airlines
Feb 27
SMF5:09 pmSacramento Intl
19h 02m
1 stop
ORD2:11 pmChicago O'Hare Intl
Mar 8
ORD8:20 amChicago O'Hare Intl
17h 23m
1 stop
SMF11:43 pmSacramento Intl
$297
Find similar
Alaska Airlines
Jan 1
SMF6:00 amSacramento Intl
22h 29m
1 stop
ORD6:29 amChicago O'Hare Intl
Jan 8
ORD3:44 pmChicago O'Hare Intl
22h 38m
1 stop
SMF12:22 pmSacramento Intl
$301
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sacramento to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 5, 2025.
Use the filters below to find and compare flights from Sacramento to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 1/6

6:00 am-1:53 pm

1 stop5h 53m

Lambert-St Louis

Tue 1/13

5:04 pm-11:30 pm

1 stop8h 26m

$189

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 1/6

6:00 am-1:53 pm

1 stop5h 53m

Lambert-St Louis

Tue 1/13

11:55 am-8:32 pm

2 stops10h 37m

$194

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 2/26

6:00 am-11:59 pm

1 stop15h 59m

Lambert-St Louis

Mon 3/2

2:47 pm-9:14 pm

1 stop8h 27m

$242

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 2/26

11:45 am-11:23 pm

2 stops9h 38m

Lambert-St Louis

Mon 3/2

7:00 am-12:06 pm

1 stop7h 06m

$248

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Sat 1/10

7:00 am-1:13 pm

Nonstop4h 13m

Chicago O'Hare Intl

Sat 1/17

9:04 am-11:55 am

Nonstop4h 51m

$272

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Tue 1/6

9:48 am-11:53 pm

2 stops12h 05m

Chicago O'Hare Intl

Mon 1/19

6:15 am-2:08 pm

2 stops9h 53m

$274

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Thu 3/12

12:34 pm-12:12 am

1 stop9h 38m

Chicago O'Hare Intl

Sun 3/15

7:00 am-11:56 pm

1 stop18h 56m

$279

SacramentoChicago

SMF - MDW

SMFMDW

Sacramento Intl

Thu 1/29

7:15 am-4:30 pm

1 stop7h 15m

Chicago Midway

Tue 2/3

8:25 am-11:10 am

Nonstop4h 45m

$280

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Fri 2/20

8:45 am-6:55 pm

1 stop8h 10m

Chicago O'Hare Intl

Mon 2/23

7:38 pm-10:30 pm

Nonstop4h 52m

$285

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 12/18

5:15 am-2:30 pm

2 stops7h 15m

Lambert-St Louis

Sat 1/10

5:30 am-9:55 am

1 stop6h 25m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The cheapest month to fly to Illinois from Sacramento is in September. Flight prices, which tend to average around $421, 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 August is also cheap. Prices for this month can be found on momondo for an average of $425.

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 $494. Flights from Sacramento to Illinois on a Monday will generally be more expensive and average around $568. 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 $459. Flights at noon are often more expensive with an average ticket price of $536.

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 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 $467 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

$217

Fastest flight time

3h 35m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Sacramento in the past 72 hours is $217. 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 3 airports near Illinois: 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?

  • 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?

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
FrontierPriceFrom $154Free CancellationRating
5.8
3,092 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $159Free CancellationRating
6.3
8,158 reviews
Search Spirit Airlines flights
DeltaPriceFrom $200Free CancellationRating
7.9
8,010 reviews
Search Delta flights
Alaska AirlinesPriceFrom $235Free CancellationRating
8.0
11,401 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $306Free CancellationRating
7.4
9,065 reviews
Search United Airlines flights
SouthwestPriceFrom $335Free CancellationRating
8.0
4,255 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.

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.
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