Cheap flights from Chicago to San Francisco

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Easily compare round trip flights from Chicago to San Francisco

Below you can see the best fares for your round trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to San Francisco by changing tabs
Quickest
Cheapest
Frontier
Frontier
08 Oct
ORD
12:20 am
Chicago O'Hare Intl airport
9h 40m
1 Stop
8:00 am
SFO
San Francisco airport
Frontier
14 Oct
SFO
4:20 pm
San Francisco airport
8h 01m
1 Stop
2:21 am
+1
ORD
Chicago O'Hare Intl airport
216 USD
Frontier
Frontier
08 Oct
ORD
12:20 am
Chicago O'Hare Intl airport
9h 40m
1 Stop
8:00 am
SFO
San Francisco airport
Frontier
14 Oct
SFO
4:20 pm
San Francisco airport
8h 01m
1 Stop
2:21 am
+1
ORD
Chicago O'Hare Intl airport
216 USD
Frontier
Frontier
09 Oct
ORD
12:20 am
Chicago O'Hare Intl airport
7h 16m
1 Stop
5:36 am
SFO
San Francisco airport
Frontier
14 Oct
SFO
4:20 pm
San Francisco airport
8h 01m
1 Stop
2:21 am
+1
ORD
Chicago O'Hare Intl airport
216 USD
Southwest
Southwest
19 Sep
MDW
2:05 pm
Chicago Midway airport
4h 35m
4:40 pm
SFO
San Francisco airport
Southwest
22 Sep
SFO
11:25 pm
San Francisco airport
4h 10m
5:35 am
+1
MDW
Chicago Midway airport
398 USD
American Airlines
American Airlines
11 Oct
ORD
12:30 pm
Chicago O'Hare Intl airport
4h 38m
3:08 pm
SFO
San Francisco airport
American Airlines
14 Oct
SFO
4:20 pm
San Francisco airport
8h 01m
1 Stop
2:21 am
+1
ORD
Chicago O'Hare Intl airport
247 USD
Alaska Airlines
Alaska Airlines
17 Aug
ORD
12:55 pm
Chicago O'Hare Intl airport
4h 50m
3:45 pm
SFO
San Francisco airport
Alaska Airlines
19 Aug
SFO
4:18 pm
San Francisco airport
8h 07m
1 Stop
2:25 am
+1
ORD
Chicago O'Hare Intl airport
244 USD

How to get the cheapest flight ticket from Chicago to San Francisco

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
CHEAPEST MONTH TO FLY
February
The cheapest time of year to fly to San Francisco from Chicago is February. Most expensive is December
CHEAPEST DAY TO FLY
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Monday
CHEAPEST TIME TO FLY
in the evening
Chicago to San Francisco flights are approximately 107% more expensive at noon than in the evening
CHEAPEST AIRLINE
Sun Country Air
Sun Country Air, Frontier, and Spirit Airlines are the most popular carriers operating from Chicago to San Francisco
CHEAPEST ROUTE
Chicago O'Hare Intl - San Francisco
Fly from Chicago O'Hare Intl to San Francisco for the best Chicago - San Francisco flight prices
CHEAPEST TIME TO BOOK
34 days before
The cheapest time to buy a flight from Chicago to San Francisco is approximately 34 days to departure
60
Days before departure
0

Flight information for Chicago to San Francisco (SFO - CHI)

Find info about flight duration, direct flights, and airports for your flight from Chicago to San Francisco
Fastest flight time
4h 31m
The fastest flight from Chicago to San Francisco takes 4h 31m.
Direct flights
Every day
Direct flights go from Chicago to San Francisco every day.
Airports in San Francisco
1 airport
There is 1 airport near San Francisco: San Francisco (SFO)

Flights from Chicago to:

Flights to San Francisco from:

  • Chicago
  • Illinois
  • United States
  • North America
*Flight prices to San Francisco are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.