SFO

$132 Find Cheap Flights from Illinois to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Francisco departing on 7/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to San Francisco

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to San Francisco

Thu, Nov 5 - Sun, Nov 8
Frontier Logo
1:02 pm - 6:24 pm
ORD
-
SFO
7h 22m
1 stop
Frontier Logo
5:58 pm - 5:35 am
SFO
-
ORD
9h 37m
1 stop
$280Frontier
Thu, Jun 18 - Tue, Jun 23
Frontier Logo
9:48 pm - 12:27 am
ORD
-
SFO
28h 39m
1 stop
Frontier Logo
10:58 pm - 5:07 am
SFO
-
ORD
28h 09m
1 stop
$282Frontier
Wed, Nov 4 - Wed, Nov 11
Southwest Logo
10:10 am - 6:50 pm
MDW
-
SFO
10h 40m
2 stops
Southwest Logo
6:15 am - 5:05 pm
SFO
-
MDW
8h 50m
2 stops
$283Southwest
Mon, Jun 15 - Mon, Jun 22
Frontier Logo
7:20 am - 2:16 pm
ORD
-
SFO
8h 56m
1 stop
Frontier Logo
8:45 pm - 5:07 am
SFO
-
ORD
6h 22m
1 stop
$283Frontier
Sat, Sep 5 - Thu, Sep 10
Southwest Logo
1:45 pm - 7:35 pm
MDW
-
SFO
7h 50m
2 stops
Southwest Logo
5:35 am - 11:40 am
SFO
-
MDW
4h 05mnonstop
$284Southwest
Thu, Aug 6 - Thu, Aug 27
Delta Logo
7:25 pm - 11:47 pm
MDW
-
SFO
6h 22m
1 stop
Delta Logo
6:00 am - 4:15 pm
SFO
-
MDW
8h 15m
1 stop
$289Delta
Wed, Oct 21 - Mon, Oct 26
Delta Logo
9:30 am - 2:27 pm
MDW
-
SFO
6h 57m
1 stop
Delta Logo
10:30 pm - 9:52 am
SFO
-
MDW
9h 22m
1 stop
$290Delta
Mon, Oct 5 - Tue, Oct 13
Multiple Airlines Logo
8:10 pm - 12:15 am
STL
-
SFO
6h 05m
1 stop
Multiple Airlines Logo
7:05 am - 11:59 pm
SFO
-
STL
14h 54m
2 stops
$327Multiple Airlines
Tue, Sep 1 - Wed, Sep 9
American Airlines Logo
7:33 am - 4:00 pm
MLI
-
SFO
10h 27m
2 stops
American Airlines Logo
2:00 pm - 11:18 pm
SFO
-
MLI
7h 18m
1 stop
$336American Airlines
Tue, Sep 1 - Wed, Sep 9
American Airlines Logo
7:33 am - 4:00 pm
MLI
-
SFO
10h 27m
2 stops
American Airlines Logo
12:10 pm - 12:05 am
SFO
-
MLI
9h 55m
2 stops
$342American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$132
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from Chicago Midway Airport to San Francisco

FAQs for booking flights from Illinois to San Francisco

  • How does KAYAK find such low prices on flights from Illinois to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Calistoga
Marina
Rohnert Park
Emeryville
Pacifica
Capitola
Millbrae
Campbell
Newark
Mill Valley
Novato
Windsor
Union City
West Sacramento
Belmont
Richmond
American Canyon
Corte Madera
Jenner
Los Altos

Everything you need to know for your flight to San Francisco

Information on the airport you'll fly into in San Francisco

San Francisco (SFO)