Cheap Flights from Chicago to San Francisco
Browse current best options from Chicago. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Chicago
RatePunk searches hundreds of travel sites at once for deals on flights to San Francisco
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Chicago to San Francisco
Explore current cheapest deals departing from Chicago to San Francisco
Round trip
Sort by: Cheapest
September 22 - September 28
ORD - San Francisco
$314
$212
Round trip
September 22 - September 29
ORD - San Francisco
$314
$212
Round trip
August 12 - August 18
ORD - San Francisco
$204
$214
Round trip
August 19 - August 26
MDW - San Francisco
$309
$214
Round trip
August 11 - August 18
ORD - San Francisco
$202
$214
Round trip
September 23 - September 30
ORD - San Francisco
$270
$214
Round trip
September 9 - September 16
ORD - San Francisco
$251
$214
Round trip
September 22 - October 14
ORD - San Francisco
$277
$216
Round trip
October 28 - November 11
ORD - San Francisco
$275
$220
Round trip
October 21 - November 11
ORD - San Francisco
$258
$220
Round trip
Unlock all 500+ flight deals to San Francisco and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Chicago to San Francisco
How much is a round trip from Chicago to San Francisco
Regular price: $245 - $531
Prices for flights from Chicago to San Francisco are currently below the regular range.
The regular price range for this route is $245 to $531. The current lowest deal is $212 with Frontier Airlines, for travel from Sep 22-Sep 28.
now $212
Low $245
High $531
The cheapest time to fly from Chicago to San Francisco
The cheapest month to fly from Chicago to San Francisco is April, with a median price of $222. The most expensive month to fly is June, with a median price of $516. Generally, prices are lower from January to November.
April
Flights from $222
June
Flights from $516
Direct flights from Chicago to San Francisco
American Airlines
Last-minute flights going from Chicago to San Francisco
Tue, Jun 16
ORD - San Francisco
Chicago (ORD) - San Francisco (SFO)
Frontier Airlines
$498
$324
One-way
Tue, Jun 16
ORD - San Francisco
Chicago (ORD) - San Francisco (SFO)
Frontier Airlines
$496
$335
One-way
Tue, Jun 16
MDW - San Francisco
Chicago (MDW) - San Francisco (SFO)
Frontier Airlines
$499
$343
One-way
Wed, Jun 17
ORD - San Francisco
Chicago (ORD) - San Francisco (SFO)
Frontier Airlines
$491
$320
One-way
Wed, Jun 17
ORD - San Francisco
Chicago (ORD) - San Francisco (SFO)
Frontier Airlines
$496
$335
One-way
Wed, Jun 17
ORD - San Francisco
Chicago (ORD) - San Francisco (SFO)
Frontier Airlines
$488
$335
One-way
Biggest price drops on these dates for flights from Chicago to San Francisco
Jun 16 - Jun 17
$498 → $324
35%
Jun 17 - Jun 20
$491 → $320
35%
Jun 20 - Jun 23
$486 → $320
34%
Jun 20 - Jun 24
$483 → $320
34%
Popular Airports to fly from Chicago to San Francisco
Chicago - San Francisco route insights
💸 Price insights
Recent fares are above the typical level
Recent fares for Chicago to San Francisco are above the typical level, with a median of $369.
📅 Best time to fly
Fly in April for the cheapest prices
Historically, April is the cheapest month to fly, with a median price of $222.
⏱️ Flight duration
Expect a median flight time of 9h 32m
The median flight duration from Chicago to San Francisco is 9 hours and 32 minutes.
✈️ Airlines & availability
Mixed availability of direct flights
Approximately 50.4% of deals are for direct flights, with connecting flights typically having 2 stopovers.
🏆 Airline highlight
American Airlines offers direct flights
American Airlines is one of the carriers offering direct flights on the Chicago to San Francisco route.
🎯 Booking tip
Deals appear frequently for this route
Deals for flights from Chicago to San Francisco appear frequently, averaging 1.03 deals per day.
Chicago main airports to depart from
O Hare International (ORD)
Depart from O'Hare International for flights to San Francisco, offering a variety of options.
📍 ~27 km from Chicago city center (reachable by car or train)
💸 Flights from ~$212
Chicago Midway International (MDW)
Choose Chicago Midway International for a convenient departure to San Francisco.
📍 ~16 km from Chicago city center (reachable by car or train)
💸 Flights from ~$214
Chicago Rockford International (RFD)
Consider Chicago Rockford International for an alternative departure point to San Francisco.
📍 ~118 km from Chicago city center (reachable by car)
💸 Flights from ~$270
San Francisco main airports to arrive at
San Francisco International (SFO)
San Francisco International Airport is a good choice for direct access to San Francisco.
📍 ~20 km from San Francisco (reachable by car, train, and bus).
💸 Flights from ~$212
Airports nearby San Francisco used as alternative
Oakland International (OAK)
Oakland International is a major hub for low-cost carriers, providing extensive domestic coverage.
📍 ~19 km from San Francisco (reachable by BART public transit)
💸 Flights from ~$238
San Jose International (SJC)
San Jose International generally experiences fewer weather-related delays than SFO, with a wide variety of carriers.
📍 ~60 km from San Francisco (reachable by car)
💸 Flights from ~$271
Sacramento International (SMF)
Sacramento International is a reliable alternative for travelers in the northern and eastern metro areas.
📍 ~125 km from San Francisco (reachable by car)
💸 Flights from ~$248
Charles M. Schulz–Sonoma County (STS)
Charles M. Schulz–Sonoma County is highly convenient for travelers in the North Bay and Wine Country.
📍 ~80 km from San Francisco (reachable by car)
💸 Flights from ~$348
Monterey Regional (MRY)
Monterey Regional is an alternative for travelers in the southern coastal region with a less crowded environment.
📍 ~140 km from San Francisco (reachable by car)
💸 Flights from ~$288
Business & First Class Flight Deals to San Francisco
Discover luxury on the budget with premium cabin class on flights from Chicago to San Francisco.
Elite
Best Elite deals to San Francisco
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From ORD
Elite
Dec 05
San Francisco, United States
91% AI deal score
$1,588
$835
Save $753
From ORD
Elite
Sep 03
San Francisco, United States
90% AI deal score
$1,558
$835
Save $723
From ORD
Elite
Dec 03
San Francisco, United States
90% AI deal score
$1,573
$835
Save $738
From ORD
Elite
Dec 02
San Francisco, United States
90% AI deal score
$1,584
$835
Save $749
From ORD
Elite
Dec 02
San Francisco, United States
90% AI deal score
$1,574
$835
Save $739
From ORD
Elite
Nov 11
San Francisco, United States
90% AI deal score
$1,500
$835
Save $665
From ORD
Elite
Nov 07
San Francisco, United States
90% AI deal score
$1,494
$835
Save $659
From ORD
Elite
Nov 07
San Francisco, United States
90% AI deal score
$1,493
$835
Save $658
From ORD
Elite
Nov 07
San Francisco, United States
90% AI deal score
$1,578
$835
Save $743
From ORD
Elite
Nov 07
San Francisco, United States
90% AI deal score
$1,491
$835
Save $656
From ORD
Elite
Nov 11
San Francisco, United States
90% AI deal score
$1,506
$835
Save $671
From ORD
Elite
Oct 29
San Francisco, United States
90% AI deal score
$1,470
$835
Save $635
From ORD
Elite
Aug 08
San Francisco, United States
90% AI deal score
$1,444
$835
Save $609
From ORD
Elite
Sep 03
San Francisco, United States
90% AI deal score
$1,580
$836
Save $744
From ORD
Elite
Aug 20
San Francisco, United States
90% AI deal score
$1,390
$836
Save $554
From ORD
Elite
Aug 20
San Francisco, United States
90% AI deal score
$1,475
$836
Save $639
From ORD
Elite
Sep 03
San Francisco, United States
90% AI deal score
$1,610
$836
Save $774
From ORD
Elite
Aug 15
San Francisco, United States
90% AI deal score
$1,443
$836
Save $607
From ORD
Elite
Aug 08
San Francisco, United States
90% AI deal score
$1,411
$836
Save $575
From ORD
Elite
Dec 03
San Francisco, United States
90% AI deal score
$1,586
$836
Save $750
From ORD
Elite
Oct 16
San Francisco, United States
90% AI deal score
$1,495
$779
Save $716
From ORD
Elite
Oct 17
San Francisco, United States
90% AI deal score
$1,509
$783
Save $726
From ORD
Elite
Sep 01
San Francisco, United States
89% AI deal score
$1,556
$884
Save $672
From ORD
Elite
Sep 03
San Francisco, United States
89% AI deal score
$1,558
$885
Save $673
From ORD
Elite
Aug 20
San Francisco, United States
89% AI deal score
$1,438
$885
Save $553
From ORD
Elite
Aug 20
San Francisco, United States
89% AI deal score
$1,511
$886
Save $625
From ORD
Elite
Oct 02
San Francisco, United States
89% AI deal score
$1,519
$825
Save $694
From ORD
Elite
Sep 01
San Francisco, United States
88% AI deal score
$1,560
$933
Save $627
From ORD
Elite
Aug 19
San Francisco, United States
88% AI deal score
$1,474
$933
Save $541
From ORD
Elite
Dec 09
San Francisco, United States
88% AI deal score
$1,279
$833
Save $446
From ORD
Elite
Sep 03
San Francisco, United States
87% AI deal score
$1,613
$997
Save $616
From ORD
Elite
Oct 14
San Francisco, United States
87% AI deal score
$1,575
$936
Save $639
From ORD
Elite
Jun 20
San Francisco, United States
86% AI deal score
$1,861
$1,202
Save $659
From ORD
Elite
Aug 20
San Francisco, United States
85% AI deal score
$1,390
$997
Save $393
From ORD
Elite
Dec 03
San Francisco, United States
85% AI deal score
$1,100
$834
Save $266
From ORD
Elite
Jun 17
San Francisco, United States
84% AI deal score
$1,739
$1,202
Save $537
From ORD
Elite
Jun 17
San Francisco, United States
84% AI deal score
$1,753
$1,203
Save $550
From ORD
Elite
Nov 17
San Francisco, United States
84% AI deal score
$1,012
$833
Save $179
From ORD
Elite
Nov 17
San Francisco, United States
84% AI deal score
$1,001
$833
Save $168
From ORD
Elite
Nov 21
San Francisco, United States
84% AI deal score
$1,015
$834
Save $181
From ORD
Elite
Aug 26
San Francisco, United States
84% AI deal score
$1,049
$835
Save $214
From ORD
Elite
Aug 20
San Francisco, United States
84% AI deal score
$1,040
$835
Save $205
From ORD
Elite
Aug 26
San Francisco, United States
84% AI deal score
$1,052
$835
Save $217
From ORD
Elite
Jun 17
San Francisco, United States
84% AI deal score
$1,529
$1,202
Save $327
From ORD
Elite
Aug 27
San Francisco, United States
84% AI deal score
$1,190
$783
Save $407
From ORD
Elite
Aug 08
San Francisco, United States
84% AI deal score
$1,168
$783
Save $385
From ORD
Elite
Aug 13
San Francisco, United States
84% AI deal score
$1,186
$783
Save $403
From ORD
Elite
Sep 03
San Francisco, United States
83% AI deal score
$1,015
$835
Save $180
From ORD
Elite
Aug 26
San Francisco, United States
83% AI deal score
$1,162
$783
Save $379
From ORD
Elite
Aug 26
San Francisco, United States
83% AI deal score
$1,154
$783
Save $371
From ORD
Elite
Aug 19
San Francisco, United States
83% AI deal score
$1,157
$783
Save $374
From ORD
Elite
Aug 27
San Francisco, United States
83% AI deal score
$1,182
$783
Save $399
From ORD
Elite
Aug 08
San Francisco, United States
83% AI deal score
$1,159
$783
Save $376
From ORD
Elite
Aug 29
San Francisco, United States
83% AI deal score
$1,174
$783
Save $391
From ORD
Elite
Aug 05
San Francisco, United States
83% AI deal score
$1,159
$783
Save $376
From ORD
Elite
Sep 24
San Francisco, United States
83% AI deal score
$1,152
$783
Save $369
From ORD
Elite
Sep 24
San Francisco, United States
83% AI deal score
$1,129
$783
Save $346
From ORD
Elite
Aug 18
San Francisco, United States
83% AI deal score
$1,168
$783
Save $385
From ORD
Elite
Aug 18
San Francisco, United States
83% AI deal score
$1,155
$783
Save $372
From ORD
Elite
Sep 17
San Francisco, United States
83% AI deal score
$1,153
$783
Save $370
From ORD
Elite
Sep 18
San Francisco, United States
83% AI deal score
$1,145
$783
Save $362
From ORD
Elite
Aug 12
San Francisco, United States
83% AI deal score
$1,157
$783
Save $374
From ORD
Elite
Sep 10
San Francisco, United States
82% AI deal score
$1,133
$783
Save $350
From ORD
Elite
Nov 20
San Francisco, United States
78% AI deal score
$1,491
$1,139
Save $352
From ORD
Elite
Sep 30
San Francisco, United States
78% AI deal score
$1,089
$783
Save $306
From ORD
Elite
Sep 02
San Francisco, United States
78% AI deal score
$1,088
$783
Save $305
From ORD
Elite
Sep 02
San Francisco, United States
78% AI deal score
$1,092
$783
Save $309
From ORD
Elite
Sep 28
San Francisco, United States
78% AI deal score
$1,098
$783
Save $315
From ORD
Elite
Sep 23
San Francisco, United States
78% AI deal score
$1,094
$783
Save $311
From ORD
Elite
Sep 09
San Francisco, United States
78% AI deal score
$1,099
$783
Save $316
From ORD
Elite
Sep 16
San Francisco, United States
78% AI deal score
$1,125
$783
Save $342
From ORD
Elite
Sep 03
San Francisco, United States
77% AI deal score
$965
$835
Save $130
From ORD
Elite
Sep 02
San Francisco, United States
77% AI deal score
$1,087
$783
Save $304
From ORD
Elite
Sep 12
San Francisco, United States
77% AI deal score
$1,095
$783
Save $312
From ORD
Elite
Sep 05
San Francisco, United States
77% AI deal score
$1,088
$783
Save $305
From ORD
Elite
Aug 11
San Francisco, United States
77% AI deal score
$1,213
$874
Save $339
From ORD
Elite
Aug 26
San Francisco, United States
75% AI deal score
$1,083
$997
Save $86
From ORD
Elite
Aug 26
San Francisco, United States
74% AI deal score
$1,052
$997
Save $55
From ORD
Elite
Aug 30
San Francisco, United States
47% AI deal score
$1,842
From ORD
Elite
Aug 31
San Francisco, United States
46% AI deal score
$1,957
From ORD
Elite
Oct 03
San Francisco, United States
46% AI deal score
$1,957
From ORD
Elite
Aug 28
San Francisco, United States
46% AI deal score
$1,981
From ORD
Elite
Aug 13
San Francisco, United States
46% AI deal score
$2,347
From ORD
Elite
Aug 12
San Francisco, United States
46% AI deal score
$2,347
From ORD
Elite
Aug 20
San Francisco, United States
46% AI deal score
$2,427
From ORD
Elite
Sep 04
San Francisco, United States
46% AI deal score
$2,467
From ORD
Elite
Sep 03
San Francisco, United States
46% AI deal score
$2,467