Fly from
Fly to
Route
Depart
Return
Price
OaklandChicago
OAK - ORD
OAKORD
Oakland
Wed 12/4
3:00 pm-5:30 am
1 stop12h 30m
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Thu 12/12
2:28 pm-8:13 am
1 stop15h 45m
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Tue 12/24
8:35 pm-5:30 am
1 stop6h 55m
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Tue 12/24
11:35 pm-5:54 am
Nonstop4h 19m
San FranciscoChicago
SFO - MDW
SFOMDW
San Francisco
Wed 12/11
8:15 am-2:25 pm
Nonstop4h 10m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Sat 2/1
3:49 pm-11:57 pm
1 stop6h 08m
San FranciscoChicago
SFO - MDW
SFOMDW
San Francisco
Wed 12/25
5:40 am-4:10 pm
1 stop8h 30m
San JoseChicago
SJC - MDW
SJCMDW
San Jose
Mon 11/18
10:29 am-3:50 pm
1 stop27h 21m
San JoseChicago
SJC - ORD
SJCORD
San Jose
Thu 12/5
8:44 pm-5:30 am
1 stop6h 46m
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Fri 11/29
11:59 pm-8:21 am
1 stop6h 22m
Currently, September is the cheapest month in which you can book a flight from San Francisco Bay Area to Illinois (average of $232). Flying from San Francisco Bay Area to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from San Francisco Bay Area 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.
The most flights from zzXIH to USIL are scheduled on a Sunday (72 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (15 on average).
In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Comfort
Food
Overall
Entertainment
Crew
Boarding
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Food
Overall
Entertainment
Crew
Boarding
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Food
Overall
Entertainment
Crew
Boarding
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Food
Overall
Entertainment
Crew
Boarding
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Food
Overall
Entertainment
Crew
Boarding
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Frontier | Cheapest$71 | Average$224 | FlexibilityNo cancel fee | On-time62% |
Alaska Airlines | Cheapest$100 | Average$361 | FlexibilityNo cancel fee | On-time75% |
Spirit Airlines | Cheapest$112 | Average$271 | FlexibilityNo cancel fee | On-time65% |
United Airlines | Cheapest$185 | Average$494 | FlexibilityNo cancel fee | On-time69% |
American Airlines | Cheapest$196 | Average$501 | FlexibilityNo cancel fee | On-time71% |
Delta | Cheapest$204 | Average$413 | FlexibilityNo cancel fee | On-timeN/A |
Southwest | Cheapest$210 | Average$406 | FlexibilityNo cancel fee | On-time63% |