Chicago to San Francisco: buy now or wait?
Buy now FareScore 82/100
usually €99 €51 Today's best fare
Cheaper than 82% of what we have seen
29 Oct Frontier Airlines With a stop
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All fares Chicago → San Francisco
Cheapest first. Every price is live and goes straight to booking.
29 Oct
11:30
Frontier Airlines · 19h 50m
With a stop ↓41%
€86 €51
16 Nov
23:15
Frontier Airlines · 17h 04m
With a stop
€83
23 Oct
11:30
Frontier Airlines · 43h 45m
With a stop ↓4%
€113 €109
17 Nov
03:15
Southwest Airlines · 49h 17m
With a stop
€112
22 Oct
18:12
Frontier Airlines · 11h 13m
With a stop
€114
17 Nov
02:11
United Airlines · 50h 21m
With a stop
€117
30 Oct
23:42
Frontier Airlines · 31h 38m
With a stop
€121
11 Nov
12:30
Frontier Airlines · 19h 50m
With a stop
€136
6 Dec
13:25
Frontier Airlines · 28h 14m
With a stop
€141
20 Dec
03:01
American Airlines · 5h 08m
Direct
€157
20 Dec
03:40
Southwest Airlines · 4h 50m
Direct
€165
29 Dec
12:11
Frontier Airlines · 26h 35m
With a stop
€173
What the history says
Prices recorded 167
Typical price €99
Lowest we saw €51
You save today €48
Based on 167 prices we recorded on this exact route, compared against the same departure month.
Best booking window
14–27 days — is when this route has been cheapest to book: €109 typical, on 47 observations.
Cheapest months to fly to San Francisco
September €107 21 observations
October €109 64 observations
November €112 41 observations
Hotels in San Francisco for these dates
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