Find a great deal and save up to 40% 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 $308.
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 March.
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
$151 - $280
Route
Depart
Return
Price
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
Mon 8/19
Nonstop4h 21m
Chicago O'Hare Intl
Sat 8/24
Nonstop4h 44m
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
Tue 6/25
1 stop15h 03m
Chicago O'Hare Intl
Wed 6/26
1 stop10h 54m
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
Mon 8/19
1 stop12h 09m
Chicago O'Hare Intl
Thu 8/22
1 stop18h 45m
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
Wed 8/28
Nonstop4h 15m
Chicago O'Hare Intl
Sun 9/1
Nonstop4h 38m
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
Mon 8/12
Nonstop4h 21m
Chicago O'Hare Intl
Sat 8/17
1 stop7h 29m
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
Wed 8/14
1 stop12h 09m
Chicago O'Hare Intl
Sat 8/17
Nonstop4h 40m
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
Fri 9/6
Nonstop4h 19m
Chicago O'Hare Intl
Tue 9/10
Nonstop4h 42m
San FranciscoChicago Midway
SFO - MDW
SFOMDW
San Francisco
Mon 8/19
1 stop9h 47m
Chicago Midway
Sat 8/24
1 stop6h 58m
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
Mon 7/8
1 stop16h 00m
Chicago O'Hare Intl
Mon 7/15
1 stop17h 06m
No data available for this route at this time. Please check back soon.
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Frontier | Cheapest$67 | Average$235 | FlexibilityNo cancel fee | On-time62% |
Alaska Airlines | Cheapest$115 | Average$299 | FlexibilityNo cancel fee | On-time75% |
Delta | Cheapest$122 | Average$311 | FlexibilityNo cancel fee | On-timeN/A |
Spirit Airlines | Cheapest$130 | Average$257 | FlexibilityNo cancel fee | On-time65% |
American Airlines | Cheapest$159 | Average$482 | FlexibilityNo cancel fee | On-time71% |
United Airlines | Cheapest$208 | Average$496 | FlexibilityNo cancel fee | On-time69% |
20%of flight departures | Early morningMidnight to 6 am |
---|---|
41%of flight departures | Morning6 am to noon |
30%of flight departures | AfternoonNoon to 6 pm |
9%of flight departures | Evening6 pm to midnight |