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Cheap flights from Illinois to San Francisco from $81

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 11/2. 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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Find the cheapest flights from Illinois to San Francisco

Cheap round-trip flights

Frontier Logo
7:52 pm - 11:26 amSTL-SMF
17h 34m1 stop
Frontier Logo
12:21 pm - 9:07 amSMF-STL
18h 46m1 stop
$171Frontier
Find Deal
Wed, Oct 22 - Thu, Nov 6
Frontier Logo
7:52 pm - 11:26 amSTL-SMF
17h 34m1 stop
Frontier Logo
11:17 am - 9:07 amSMF-STL
19h 50m1 stop
$200Frontier
Find Deal
Wed, Oct 22 - Fri, Nov 7
Logo
9:00 am - 9:41 pmORD-SMF
14h 41m1 stop
Logo
12:58 pm - 12:12 amSMF-ORD
33h 14m2 stops
$204
Find Deal
Tue, Sep 30 - Fri, Oct 31
United Airlines Logo
2:17 pm - 8:46 pmORD-SMF
8h 29m1 stop
United Airlines Logo
2:07 pm - 8:16 pmSMF-ORD
4h 09mnonstop
$207United Airlines
Find Deal
Wed, Oct 22 - Mon, Oct 27
Logo
6:00 am - 11:13 amORD-SMF
7h 13m1 stop
Logo
8:35 am - 6:14 pmSMF-ORD
31h 39m2 stops
$209
Find Deal
Mon, Sep 29 - Tue, Sep 30
American Airlines Logo
9:50 am - 7:00 pmORD-SMF
11h 10m1 stop
American Airlines Logo
3:16 pm - 9:24 pmSMF-ORD
4h 08mnonstop
$210American Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
American Airlines Logo
9:50 am - 6:11 pmORD-SMF
10h 21m1 stop
American Airlines Logo
3:16 pm - 9:24 pmSMF-ORD
4h 08mnonstop
$211American Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
Spirit Airlines Logo
6:15 am - 7:40 amORD-SMF
27h 25m1 stop
Spirit Airlines Logo
6:30 am - 9:32 pmSMF-ORD
13h 02m1 stop
$217Spirit Airlines
Find Deal
Mon, Sep 22 - Sat, Sep 27
United Airlines Logo
8:05 pm - 10:43 pmORD-SMF
4h 38mnonstop
United Airlines Logo
2:20 pm - 8:25 pmSMF-ORD
4h 05mnonstop
$255United Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
Spirit Airlines Logo
11:15 am - 9:41 pmORD-SMF
12h 26m1 stop
Spirit Airlines Logo
8:35 am - 6:14 pmSMF-ORD
31h 39m2 stops
$263Spirit Airlines
Find Deal
Wed, Sep 24 - Tue, Sep 30

American Airlines flights from Illinois to Sacramento

Our best American Airlines deals on Illinois to Sacramento flight tickets
American Airlines
Oct 1
ORD9:50 amChicago O'Hare Intl
11h 10m
1 stop
SMF7:00 pmSacramento Intl
Oct 8
SMF3:16 pmSacramento Intl
4h 08m
ORD9:24 pmChicago O'Hare Intl
$210
Find similar
American Airlines
Oct 4
ORD9:50 amChicago O'Hare Intl
10h 21m
1 stop
SMF6:11 pmSacramento Intl
Oct 11
SMF3:16 pmSacramento Intl
4h 08m
ORD9:24 pmChicago O'Hare Intl
$211
Find similar
American Airlines
Oct 25
STL6:00 amLambert-St Louis
8h 32m
1 stop
SMF12:32 pmSacramento Intl
Oct 28
SMF3:16 pmSacramento Intl
16h 01m
1 stop
STL9:17 amLambert-St Louis
$261
Find similar

Delta flights from Illinois to Sacramento

Our best Delta deals on Illinois to Sacramento flight tickets
Delta
Oct 1
ORD7:10 amChicago O'Hare Intl
10h 58m
2 stops
SMF4:08 pmSacramento Intl
Oct 8
SMF1:23 pmSacramento Intl
8h 27m
1 stop
ORD11:50 pmChicago O'Hare Intl
$256
Find similar
Delta
Nov 8
MDW4:23 pmChicago Midway
7h 50m
1 stop
SMF10:13 pmSacramento Intl
Nov 15
SMF12:22 pmSacramento Intl
9h 10m
1 stop
MDW11:32 pmChicago Midway
$257
Find similar
Delta
Oct 22
ORD6:08 amChicago O'Hare Intl
11h 51m
2 stops
SMF3:59 pmSacramento Intl
Oct 27
SMF10:30 pmSacramento Intl
11h 05m
2 stops
ORD11:35 amChicago O'Hare Intl
$261
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 September 10, 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

Wed 10/22

7:52 pm-11:26 am

1 stop17h 34m

Sacramento Intl

Thu 11/6

12:21 pm-9:07 am

1 stop18h 46m

$171

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Wed 10/22

7:52 pm-11:26 am

1 stop17h 34m

Sacramento Intl

Fri 11/7

11:17 am-9:07 am

1 stop19h 50m

$200

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Tue 9/30

9:00 am-9:41 pm

1 stop14h 41m

Sacramento Intl

Fri 10/31

12:58 pm-12:12 am

2 stops33h 14m

$204

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Wed 10/22

2:17 pm-8:46 pm

1 stop8h 29m

Sacramento Intl

Mon 10/27

2:07 pm-8:16 pm

Nonstop4h 09m

$207

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Mon 9/29

6:00 am-11:13 am

1 stop7h 13m

Sacramento Intl

Tue 9/30

8:35 am-6:14 pm

2 stops31h 39m

$209

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Wed 10/1

9:50 am-7:00 pm

1 stop11h 10m

Sacramento Intl

Wed 10/8

3:16 pm-9:24 pm

Nonstop4h 08m

$210

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Sat 10/4

9:50 am-6:11 pm

1 stop10h 21m

Sacramento Intl

Sat 10/11

3:16 pm-9:24 pm

Nonstop4h 08m

$211

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Mon 9/22

6:15 am-7:40 am

1 stop27h 25m

Sacramento Intl

Sat 9/27

6:30 am-9:32 pm

1 stop13h 02m

$217

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Wed 10/1

8:05 pm-10:43 pm

Nonstop4h 38m

Sacramento Intl

Wed 10/8

2:20 pm-8:25 pm

Nonstop4h 05m

$255

ChicagoSacramento

ORD - SMF

ORDSMF

Chicago O'Hare Intl

Wed 9/24

11:15 am-9:41 pm

1 stop12h 26m

Sacramento Intl

Tue 9/30

8:35 am-6:14 pm

2 stops31h 39m

$263

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 $361. If you are unable to visit Sacramento during the month of January, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $391.

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 $471. 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 $536. 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 O'Hare Intl 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 $456 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 $335 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 38% 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

$195

Fastest flight time

4h 05m

Direct flights

Every day

Airports in Sacramento

1 airport
The best one-way flight to Sacramento from Illinois in the past 72 hours is $195. The best round-trip flight deal from Illinois to Sacramento found on momondo in the last 72 hours is $337.
The fastest flight from Illinois to Sacramento takes 4h 05m
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
8,024 reviews
Search Spirit Airlines flights
FrontierPriceFrom $158Free CancellationRating
5.8
3,181 reviews
Search Frontier flights
American AirlinesPriceFrom $190Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
SouthwestPriceFrom $357Free CancellationRating
8.0
4,249 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
Auburn
Yuba City
Lincoln
Rocklin
Placerville
Marysville
Grass Valley
Nevada City
El Dorado Hills
Plymouth
Willows

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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