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Cheap flights from Sacramento to Illinois from $85

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.
Delta Logo
11:45 am - 11:23 pm
SMF
-
STL
9h 38m2 stops
Delta Logo
2:22 pm - 9:49 pm
STL
-
SMF
9h 27m2 stops
$274Delta
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
7:00 am - 11:37 pm
SMF
-
ORD
14h 37m1 stop
Multiple Airlines Logo
7:41 pm - 11:18 am
ORD
-
SMF
17h 37m1 stop
$275Multiple Airlines
Fri, Jan 16 - Thu, Jan 22
Frontier Logo
2:19 pm - 10:02 am
SMF
-
STL
17h 43m1 stop
Frontier Logo
1:35 pm - 3:35 pm
STL
-
SMF
28h 00m1 stop
$280Frontier
Thu, Jan 8 - Thu, Jan 15
Frontier Logo
2:19 pm - 10:02 am
SMF
-
STL
17h 43m1 stop
Frontier Logo
9:46 pm - 2:31 pm
STL
-
SMF
18h 45m1 stop
$294Frontier
Thu, Jan 8 - Sun, Jan 11
Southwest Logo
6:20 am - 1:55 pm
SMF
-
STL
5h 35m1 stop
Southwest Logo
5:55 am - 10:20 am
STL
-
SMF
6h 25m1 stop
$322Southwest
Wed, Feb 25 - Wed, Mar 4
Southwest Logo
7:25 am - 5:00 pm
SMF
-
STL
7h 35m1 stop
Southwest Logo
5:30 am - 11:20 am
STL
-
SMF
7h 50m1 stop
$327Southwest
Mon, Feb 9 - Tue, Feb 17
United Airlines Logo
7:15 am - 9:39 pm
SMF
-
PIA
12h 24m2 stops
United Airlines Logo
6:30 am - 11:55 am
PIA
-
SMF
7h 25m1 stop
$364United Airlines
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
10:50 am - 9:36 pm
SMF
-
MLI
8h 46m1 stop
United Airlines Logo
10:47 am - 7:39 pm
MLI
-
SMF
10h 52m2 stops
$364United Airlines
Sat, Jan 10 - Wed, Jan 14
American Airlines Logo
6:05 am - 2:54 pm
SMF
-
EVV
6h 49m1 stop
American Airlines Logo
6:30 am - 1:19 pm
EVV
-
SMF
8h 49m1 stop
$379American Airlines
Tue, Feb 10 - Wed, Mar 11
American Airlines Logo
11:35 am - 9:33 pm
SMF
-
EVV
7h 58m1 stop
American Airlines Logo
7:04 am - 3:51 pm
EVV
-
SMF
10h 47m2 stops
$384American Airlines
Tue, Feb 10 - Wed, Mar 11

Alaska Airlines flights from Sacramento to Illinois

Our best Alaska Airlines deals on Sacramento to Illinois flight tickets
Alaska Airlines
Jan 16
SMF7:00 amSacramento Intl
29h 29m
1 stop
ORD2:29 pmChicago O'Hare Intl
Jan 21
ORD3:44 pmChicago O'Hare Intl
9h 14m
1 stop
SMF10:58 pmSacramento Intl
$277
Find similar
Alaska Airlines
Jan 24
SMF1:16 pmSacramento Intl
21h 54m
2 stops
ORD1:10 pmChicago O'Hare Intl
Jan 31
ORD3:44 pmChicago O'Hare Intl
9h 14m
1 stop
SMF10:58 pmSacramento Intl
$278
Find similar
Alaska Airlines
Jan 15
SMF12:59 pmSacramento Intl
8h 38m
1 stop
ORD11:37 pmChicago O'Hare Intl
Jan 20
ORD3:44 pmChicago O'Hare Intl
9h 14m
1 stop
SMF10:58 pmSacramento Intl
$282
Find similar

Delta flights from Sacramento to Illinois

Our best Delta deals on Sacramento to Illinois flight tickets
Delta
Feb 26
SMF11:45 amSacramento Intl
9h 38m
2 stops
STL11:23 pmLambert-St Louis
Mar 2
STL2:22 pmLambert-St Louis
9h 27m
2 stops
SMF9:49 pmSacramento Intl
$274
Find similar
Delta
Jan 17
SMF12:30 pmSacramento Intl
9h 29m
1 stop
ORD11:59 pmChicago O'Hare Intl
Jan 25
ORD7:30 amChicago O'Hare Intl
12h 00m
1 stop
SMF5:30 pmSacramento Intl
$283
Find similar
Delta
Jan 17
SMF5:30 amSacramento Intl
10h 24m
2 stops
ORD5:54 pmChicago O'Hare Intl
Jan 25
ORD7:30 amChicago O'Hare Intl
8h 52m
1 stop
SMF2:22 pmSacramento Intl
$288
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 28, 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

Thu 2/26

11:45 am-11:23 pm

2 stops9h 38m

Lambert-St Louis

Mon 3/2

2:22 pm-9:49 pm

2 stops9h 27m

$274

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Fri 1/16

7:00 am-11:37 pm

1 stop14h 37m

Chicago O'Hare Intl

Thu 1/22

7:41 pm-11:18 am

1 stop17h 37m

$275

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 1/8

2:19 pm-10:02 am

1 stop17h 43m

Lambert-St Louis

Thu 1/15

1:35 pm-3:35 pm

1 stop28h 00m

$280

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 1/8

2:19 pm-10:02 am

1 stop17h 43m

Lambert-St Louis

Sun 1/11

9:46 pm-2:31 pm

1 stop18h 45m

$294

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 2/25

6:20 am-1:55 pm

1 stop5h 35m

Lambert-St Louis

Wed 3/4

5:55 am-10:20 am

1 stop6h 25m

$322

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 2/9

7:25 am-5:00 pm

1 stop7h 35m

Lambert-St Louis

Tue 2/17

5:30 am-11:20 am

1 stop7h 50m

$327

SacramentoPeoria

SMF - PIA

SMFPIA

Sacramento Intl

Sat 1/10

7:15 am-9:39 pm

2 stops12h 24m

Greater Peoria

Wed 1/14

6:30 am-11:55 am

1 stop7h 25m

$364

SacramentoMoline

SMF - MLI

SMFMLI

Sacramento Intl

Sat 1/10

10:50 am-9:36 pm

1 stop8h 46m

Moline Quad-City

Wed 1/14

10:47 am-7:39 pm

2 stops10h 52m

$364

SacramentoEvansville

SMF - EVV

SMFEVV

Sacramento Intl

Tue 2/10

6:05 am-2:54 pm

1 stop6h 49m

Evansville Dress Regional

Wed 3/11

6:30 am-1:19 pm

1 stop8h 49m

$379

SacramentoEvansville

SMF - EVV

SMFEVV

Sacramento Intl

Tue 2/10

11:35 am-9:33 pm

1 stop7h 58m

Evansville Dress Regional

Wed 3/11

7:04 am-3:51 pm

2 stops10h 47m

$384

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 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 $407.

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 $492. Flights from Sacramento to Illinois on a Sunday will generally be more expensive and average around $558. 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 $461. Flights at noon are often more expensive with an average ticket price of $533.

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 $468 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

$215

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 $215. The best round-trip flight deal from Sacramento to Illinois found on momondo in the last 72 hours is $374.
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?

  • 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
3,070 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $166Free CancellationRating
6.3
8,212 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $235Free CancellationRating
8.0
11,549 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $252Free CancellationRating
7.2
11,070 reviews
Search American Airlines flights
DeltaPriceFrom $260Free CancellationRating
7.9
8,022 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,117 reviews
Search United Airlines flights
SouthwestPriceFrom $335Free CancellationRating
8.0
4,256 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

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