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Cheap flights from Illinois to San Francisco from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to San Francisco departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Frontier Logo
3:43 pm - 12:28 pmSTL-SMF
22h 45m1 stop
Frontier Logo
12:03 pm - 12:50 pmSMF-STL
22h 47m1 stop
$163Frontier
Find Deal
Sat, Jan 17 - Sun, Jan 25
Frontier Logo
3:43 pm - 3:35 pmSTL-SMF
25h 52m2 stops
Frontier Logo
12:03 pm - 12:50 pmSMF-STL
22h 47m1 stop
$179Frontier
Find Deal
Sat, Jan 17 - Sun, Jan 25
Multiple Airlines Logo
7:00 am - 11:40 amORD-SMF
6h 40m1 stop
Multiple Airlines Logo
7:00 am - 7:54 pmSMF-ORD
10h 54m1 stop
$264Multiple Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 10
Delta Logo
8:50 am - 5:51 pmORD-SMF
11h 01m2 stops
Delta Logo
6:30 am - 5:15 pmSMF-ORD
8h 45m1 stop
$265Delta
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Wed, Dec 10 - Sun, Dec 14
Delta Logo
1:50 pm - 8:42 pmMDW-SMF
8h 52m1 stop
Delta Logo
10:30 pm - 9:54 amSMF-MDW
9h 24m1 stop
$268Delta
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Wed, Dec 10 - Fri, Dec 12
Multiple Airlines Logo
9:06 pm - 10:25 amORD-SMF
15h 19m1 stop
Multiple Airlines Logo
11:37 am - 2:17 pmSMF-ORD
24h 40m2 stops
$268Multiple Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 22
Alaska Airlines Logo
3:05 pm - 4:30 pmORD-SMF
27h 25m1 stop
Alaska Airlines Logo
10:40 am - 11:50 pmSMF-ORD
11h 10m1 stop
$272Alaska Airlines
Find Deal
Mon, Dec 15 - Wed, Dec 17
Alaska Airlines Logo
3:35 pm - 1:44 pmORD-SMF
24h 09m1 stop
Alaska Airlines Logo
1:16 pm - 2:38 pmSMF-ORD
23h 22m1 stop
$273Alaska Airlines
Find Deal
Mon, Dec 15 - Sun, Feb 1
United Airlines Logo
3:30 pm - 11:09 pmPIA-SMF
9h 39m1 stop
United Airlines Logo
12:58 pm - 8:47 pmSMF-PIA
5h 49m1 stop
$289United Airlines
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Sat, Dec 13 - Fri, Jan 9
United Airlines Logo
5:40 pm - 11:03 pmMLI-SMF
7h 23m1 stop
United Airlines Logo
1:06 pm - 9:09 pmSMF-MLI
6h 03m1 stop
$289United Airlines
Find Deal
Thu, Dec 11 - Tue, Dec 16

Alaska Airlines flights from Illinois to Sacramento

Our best Alaska Airlines deals on Illinois to Sacramento flight tickets
Alaska Airlines
Mar 4
ORD7:00 amChicago O'Hare Intl
9h 00m
1 stop
SMF2:00 pmSacramento Intl
Mar 7
SMF3:11 pmSacramento Intl
6h 48m
1 stop
ORD11:59 pmChicago O'Hare Intl
$262
Find similar
Alaska Airlines
Feb 19
ORD7:00 amChicago O'Hare Intl
13h 10m
1 stop
SMF6:10 pmSacramento Intl
Feb 22
SMF6:00 amSacramento Intl
15h 56m
1 stop
ORD11:56 pmChicago O'Hare Intl
$263
Find similar
Alaska Airlines
Dec 15
ORD3:05 pmChicago O'Hare Intl
27h 25m
1 stop
SMF4:30 pmSacramento Intl
Dec 17
SMF10:40 amSacramento Intl
11h 10m
1 stop
ORD11:50 pmChicago O'Hare Intl
$272
Find similar

American Airlines flights from Illinois to Sacramento

Our best American Airlines deals on Illinois to Sacramento flight tickets
American Airlines
May 12
MLI6:21 amMoline Quad-City
6h 20m
1 stop
SMF10:41 amSacramento Intl
May 16
SMF7:26 pmSacramento Intl
13h 11m
2 stops
MLI10:37 amMoline Quad-City
$319
Find similar
American Airlines
Dec 3
MLI5:09 amMoline Quad-City
7h 09m
1 stop
SMF10:18 amSacramento Intl
Dec 7
SMF11:59 pmSacramento Intl
8h 34m
1 stop
MLI10:33 amMoline Quad-City
$359
Find similar
American Airlines
Dec 3
MLI5:09 amMoline Quad-City
12h 42m
2 stops
SMF3:51 pmSacramento Intl
Dec 7
SMF11:59 pmSacramento Intl
8h 34m
1 stop
MLI10:33 amMoline Quad-City
$364
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Sacramento 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 November 20, 2025.
Use the filters below to find and compare flights from Illinois to Sacramento that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Sat 1/17

3:43 pm-12:28 pm

1 stop22h 45m

Sacramento Intl

Sun 1/25

12:03 pm-12:50 pm

1 stop22h 47m

$163

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Sat 1/17

3:43 pm-3:35 pm

2 stops25h 52m

Sacramento Intl

Sun 1/25

12:03 pm-12:50 pm

1 stop22h 47m

$179

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Mon 12/8

7:00 am-11:40 am

1 stop6h 40m

Sacramento Intl

Wed 12/10

7:00 am-7:54 pm

1 stop10h 54m

$264

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Wed 12/10

8:50 am-5:51 pm

2 stops11h 01m

Sacramento Intl

Sun 12/14

6:30 am-5:15 pm

1 stop8h 45m

$265

ChicagoSacramento

MDW - SMF

MDWSMF

Chicago Midway

Wed 12/10

1:50 pm-8:42 pm

1 stop8h 52m

Sacramento Intl

Fri 12/12

10:30 pm-9:54 am

1 stop9h 24m

$268

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Thu 12/11

9:06 pm-10:25 am

1 stop15h 19m

Sacramento Intl

Mon 12/22

11:37 am-2:17 pm

2 stops24h 40m

$268

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Mon 12/15

3:05 pm-4:30 pm

1 stop27h 25m

Sacramento Intl

Wed 12/17

10:40 am-11:50 pm

1 stop11h 10m

$272

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Mon 12/15

3:35 pm-1:44 pm

1 stop24h 09m

Sacramento Intl

Sun 2/1

1:16 pm-2:38 pm

1 stop23h 22m

$273

PeoriaSacramento

PIA - SMF

PIASMF

Greater Peoria

Sat 12/13

3:30 pm-11:09 pm

1 stop9h 39m

Sacramento Intl

Fri 1/9

12:58 pm-8:47 pm

1 stop5h 49m

$289

MolineSacramento

MLI - SMF

MLISMF

Moline Quad-City

Thu 12/11

5:40 pm-11:03 pm

1 stop7h 23m

Sacramento Intl

Tue 12/16

1:06 pm-9:09 pm

1 stop6h 03m

$289

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 San Francisco from

How to get the cheapest flight ticket from Illinois to Sacramento

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 Sacramento?

The month of January is, on average, the cheapest month to fly to Sacramento from Illinois, with most prices found around $338. If you are unable to visit Sacramento during the month of January, then departing from Illinois during the month August is also very affordable. Most momondo users find prices during this month for around $394.

What is the cheapest day to depart on your flight to Sacramento?

The cheapest day to depart from Illinois to Sacramento is on a Wednesday when prices can be found for as low as $474. Flights from Illinois to Sacramento on a Sunday will generally be more expensive and average around $561. 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 Sacramento?

According to our data, the cheapest time of day to fly to Sacramento is at noon. momondo users have found flights departing from Illinois to Sacramento at noon for as low as $471. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $558. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Illinois to Sacramento Intl flight route?

Fly from Chicago Midway to Sacramento Intl for the best Illinois - Sacramento Intl flight prices

How far in advance should I book a flight to Sacramento?

You are more likely to see cheaper flights to Sacramento from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Sacramento for around $460 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sacramento from Illinois for as low as $338 on momondo.

What cabin class options are available on Illinois to Sacramento Intl flights?

There are 4 cabin classes available to choose from on Illinois to Sacramento Intl 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 Illinois to Sacramento flights?

You could potentially save up to 15% on your flight if you consider stops on a Illinois to Sacramento flight.

Cheap Illinois to Sacramento flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Sacramento

Best Price Found

$155

Fastest flight time

4h 10m

Direct flights

Every day

Airports in Sacramento

1 airport
The best one-way flight to Sacramento from Illinois in the past 72 hours is $155. The best round-trip flight deal from Illinois to Sacramento found on momondo in the last 72 hours is $374.
The fastest flight from Illinois to Sacramento takes 4h 10m
Direct flights go from Illinois to Sacramento every day.
There is 1 airport near Sacramento: Sacramento Intl (SMF)
Search flight deals

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

    Prices for flights from Illinois to Sacramento Intl Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Sacramento Intl Airport.

  • What documentation or ID do you need to fly to Sacramento Intl Airport?

    The required travel and health documents for your Sacramento Intl Airport 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 Sacramento Intl Airport. 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 Illinois to Sacramento?

Best airlines flying from Illinois to Sacramento

Compare and see reviews for airlines that fly from Illinois to Sacramento with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $134Free CancellationRating
6.3
8,159 reviews
Search Spirit Airlines flights
FrontierPriceFrom $145Free CancellationRating
5.8
3,104 reviews
Search Frontier flights
American AirlinesPriceFrom $181Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
SouthwestPriceFrom $357Free CancellationRating
8.0
4,251 reviews
Search Southwest flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Chico
Oroville
Lincoln
Auburn
Rocklin
Yuba City
Marysville
Grass Valley
Placerville
Nevada City
Willows
Plymouth
El Dorado Hills

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Sacramento?

Finding the right flight to Sacramento from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sacramento quick and easy, saving you time and money.

Can I find flights from Illinois to Sacramento with flexible booking policies on momondo?

Yes. All flights to Sacramento from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Sacramento?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sacramento from Illinois.

I’m not ready to book a flight from Illinois to Sacramento right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sacramento from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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