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Cheap flights from Sacramento to Illinois from $75

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 1/15. 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
4:21 pm - 11:56 pmSMF-STL
5h 35m1 stop
American Airlines Logo
5:12 pm - 11:30 pmSTL-SMF
8h 18m1 stop
$179American Airlines
Find Deal
mié., dic. 17 - mié., ene. 28
American Airlines Logo
4:21 pm - 11:56 pmSMF-STL
5h 35m1 stop
American Airlines Logo
11:05 am - 6:39 pmSTL-SMF
9h 34m2 stops
$184American Airlines
Find Deal
mié., dic. 17 - mié., ene. 28
Frontier Logo
8:02 pm - 9:25 pmSMF-STL
23h 23m1 stop
Frontier Logo
10:42 am - 5:42 pmSTL-SMF
33h 00m2 stops
$235Frontier
Find Deal
sáb., dic. 20 - jue., ene. 22
Frontier Logo
12:31 pm - 12:12 amSMF-ORD
9h 41m1 stop
Frontier Logo
3:27 pm - 5:21 pmORD-SMF
27h 54m1 stop
$237Frontier
Find Deal
vie., dic. 12 - jue., dic. 18
Delta Logo
12:23 pm - 11:47 pmSMF-MDW
9h 24m1 stop
Delta Logo
1:50 pm - 8:42 pmMDW-SMF
8h 52m1 stop
$259Delta
Find Deal
mié., dic. 3 - vie., dic. 5
Delta Logo
10:30 pm - 10:14 amSMF-ORD
9h 44m1 stop
Delta Logo
7:40 pm - 11:59 pmORD-SMF
6h 19m1 stop
$259Delta
Find Deal
dom., dic. 7 - mié., dic. 10
Southwest Logo
4:30 pm - 11:45 pmSMF-STL
5h 15m1 stop
Southwest Logo
2:20 pm - 6:45 pmSTL-SMF
6h 25m1 stop
$318Southwest
Find Deal
lun., feb. 9 - mié., feb. 11
Southwest Logo
9:35 am - 7:05 pmSMF-STL
7h 30m1 stop
Southwest Logo
2:20 pm - 6:45 pmSTL-SMF
6h 25m1 stop
$322Southwest
Find Deal
vie., ene. 9 - lun., ene. 12
United Airlines Logo
11:12 am - 9:58 pmSMF-STL
8h 46m1 stop
United Airlines Logo
5:27 pm - 11:03 pmSTL-SMF
7h 36m1 stop
$327United Airlines
Find Deal
jue., dic. 4 - dom., dic. 7
United Airlines Logo
11:55 pm - 9:43 amSMF-PIA
7h 48m1 stop
United Airlines Logo
5:30 pm - 10:39 pmPIA-SMF
7h 09m1 stop
$379United Airlines
Find Deal
sáb., mar. 7 - mié., mar. 11

Alaska Airlines flights from Sacramento to Illinois

Our best Alaska Airlines deals on Sacramento to Illinois flight tickets
Alaska Airlines
Jan 7
SMF12:59 pmSacramento Intl
8h 38m
1 stop
ORD11:37 pmChicago O'Hare Intl
Jan 20
ORD3:49 pmChicago O'Hare Intl
20h 10m
1 stop
SMF9:59 amSacramento Intl
$240
Find similar
Alaska Airlines
Jan 6
SMF5:38 pmSacramento Intl
18h 51m
1 stop
ORD2:29 pmChicago O'Hare Intl
Jan 14
ORD3:49 pmChicago O'Hare Intl
9h 09m
1 stop
SMF10:58 pmSacramento Intl
$242
Find similar
Alaska Airlines
Dec 3
SMF2:50 pmSacramento Intl
21h 19m
1 stop
ORD2:09 pmChicago O'Hare Intl
Dec 5
ORD3:05 pmChicago O'Hare Intl
9h 54m
1 stop
SMF10:59 pmSacramento Intl
$250
Find similar

Frontier flights from Sacramento to Illinois

Our best Frontier deals on Sacramento to Illinois flight tickets
Frontier
Dec 20
SMF8:02 pmSacramento Intl
23h 23m
1 stop
STL9:25 pmLambert-St Louis
Jan 22
STL10:42 amLambert-St Louis
33h 00m
2 stops
SMF5:42 pmSacramento Intl
$235
Find similar
Frontier
Dec 12
SMF12:31 pmSacramento Intl
9h 41m
1 stop
ORD12:12 amChicago O'Hare Intl
Dec 18
ORD3:27 pmChicago O'Hare Intl
27h 54m
1 stop
SMF5:21 pmSacramento Intl
$237
Find similar
Frontier
Jan 9
SMF1:23 pmSacramento Intl
19h 26m
2 stops
ORD10:49 amChicago O'Hare Intl
Jan 22
ORD7:51 pmChicago O'Hare Intl
17h 43m
1 stop
SMF11:34 amSacramento Intl
$243
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 noviembre 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

mié. 12/17

4:21 pm-11:56 pm

1 stop5h 35m

Lambert-St Louis

mié. 1/28

5:12 pm-11:30 pm

1 stop8h 18m

$179

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

mié. 12/17

4:21 pm-11:56 pm

1 stop5h 35m

Lambert-St Louis

mié. 1/28

11:05 am-6:39 pm

2 stops9h 34m

$184

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

sáb. 12/20

8:02 pm-9:25 pm

1 stop23h 23m

Lambert-St Louis

jue. 1/22

10:42 am-5:42 pm

2 stops33h 00m

$235

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

vie. 12/12

12:31 pm-12:12 am

1 stop9h 41m

Chicago O'Hare Intl

jue. 12/18

3:27 pm-5:21 pm

1 stop27h 54m

$237

SacramentoChicago

SMF - MDW

SMFMDW

Sacramento Intl

mié. 12/3

12:23 pm-11:47 pm

1 stop9h 24m

Chicago Midway

vie. 12/5

1:50 pm-8:42 pm

1 stop8h 52m

$259

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

dom. 12/7

10:30 pm-10:14 am

1 stop9h 44m

Chicago O'Hare Intl

mié. 12/10

7:40 pm-11:59 pm

1 stop6h 19m

$259

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

lun. 2/9

4:30 pm-11:45 pm

1 stop5h 15m

Lambert-St Louis

mié. 2/11

2:20 pm-6:45 pm

1 stop6h 25m

$318

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

vie. 1/9

9:35 am-7:05 pm

1 stop7h 30m

Lambert-St Louis

lun. 1/12

2:20 pm-6:45 pm

1 stop6h 25m

$322

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

jue. 12/4

11:12 am-9:58 pm

1 stop8h 46m

Lambert-St Louis

dom. 12/7

5:27 pm-11:03 pm

1 stop7h 36m

$327

SacramentoPeoria

SMF - PIA

SMFPIA

Sacramento Intl

sáb. 3/7

11:55 pm-9:43 am

1 stop7h 48m

Greater Peoria

mié. 3/11

5:30 pm-10:39 pm

1 stop7h 09m

$379

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 $408, 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 Sunday will generally be more expensive and average around $565. 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 $458. Flights at noon are often more expensive with an average ticket price of $542.

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 $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?

You could potentially save up to 14% 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

$175

Fastest flight time

3h 35m

Direct flights

Every day

Airports in Illinois

2 airports
The best one-way flight to Illinois from Sacramento in the past 72 hours is $175. The best round-trip flight deal from Sacramento to Illinois found on momondo in the last 72 hours is $388.
The fastest flight from Sacramento to Illinois takes 3h 35m
Direct flights go from Sacramento to Illinois every day.
There are 2 airports near Illinois: 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
3,115 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $168Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $235Free CancellationRating
8.0
11,241 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
DeltaPriceFrom $260Free CancellationRating
7.9
8,004 reviews
Search Delta flights
United AirlinesPriceFrom $307Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
SouthwestPriceFrom $335Free CancellationRating
8.0
4,239 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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1 adult
vie. 12/5
vie. 12/12
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