Find a great deal and save up to 39% by booking at least 47 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Francisco to Illinois within the next two weeks, with the cheapest ticket starting at $323.
October can be a great time to fly to Illinois from San Francisco with a flight ticket averaging about $320. Cheapflights users have found deals in the month of October for as cheap as $88. The most expensive prices can be found in the month of June.
When flying from San Francisco to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$139 - $245
Route
Depart
Return
Price
San FranciscoLambert-St Louis
SFO - STL
SFOSTL
San Francisco
mar. 5/28
1 stop6h 37m
Lambert-St Louis
mar. 6/4
1 stop9h 50m
San FranciscoLambert-St Louis
SFO - STL
SFOSTL
San Francisco
lun. 5/27
1 stop10h 10m
Lambert-St Louis
mar. 6/4
1 stop7h 18m
San FranciscoLambert-St Louis
SFO - STL
SFOSTL
San Francisco
sáb. 6/1
1 stop13h 39m
Lambert-St Louis
mar. 6/4
1 stop28h 43m
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
mié. 8/14
Nonstop4h 21m
Chicago O'Hare Intl
mar. 8/20
Nonstop4h 44m
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
sáb. 8/10
Nonstop4h 15m
Chicago O'Hare Intl
mié. 8/14
Nonstop4h 41m
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
sáb. 5/25
1 stop11h 17m
Chicago O'Hare Intl
vie. 5/31
Nonstop4h 44m
San FranciscoGreater Peoria
SFO - PIA
SFOPIA
San Francisco
mié. 8/21
1 stop8h 56m
Greater Peoria
mar. 8/27
1 stop9h 20m
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
jue. 8/8
1 stop7h 37m
Chicago O'Hare Intl
mar. 8/13
1 stop8h 09m
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
lun. 6/17
1 stop7h 54m
Chicago O'Hare Intl
jue. 6/20
1 stop14h 02m
No data available for this route at this time. Please check back soon.
Food
Boarding
Comfort
Entertainment
Crew
Overall
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Food
Boarding
Comfort
Entertainment
Crew
Overall
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Food
Boarding
Comfort
Entertainment
Crew
Overall
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Food
Boarding
Comfort
Entertainment
Crew
Overall
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Food
Boarding
Comfort
Entertainment
Crew
Overall
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Food
Boarding
Comfort
Entertainment
Crew
Overall
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
27%of flight departures | Early morningMidnight to 6 am |
---|---|
12%of flight departures | Morning6 am to noon |
32%of flight departures | AfternoonNoon to 6 pm |
29%of flight departures | Evening6 pm to midnight |
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Certainly. Search results for flights to Illinois from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
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