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 3 days ago
402 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 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 29 - October 20
ORD - San Francisco
$257
$165
Round trip
September 28 - October 20
ORD - San Francisco
$257
$165
Round trip
September 22 - October 20
ORD - San Francisco
$256
$166
Round trip
September 9 - September 12
ORD - San Francisco
$305
$171
Round trip
September 22 - September 29
ORD - San Francisco
$295
$171
Round trip
September 15 - September 29
ORD - San Francisco
$266
$171
Round trip
September 14 - September 29
ORD - San Francisco
$261
$171
Round trip
August 17 - August 19
ORD - San Francisco
$261
$172
Round trip
September 4 - September 9
ORD - San Francisco
$299
$173
Round trip
August 10 - August 12
ORD - San Francisco
$267
$181
Round trip
Unlock all 500+ flight deals to San Francisco and get alerts when great deals appear
Chicago to San Francisco: Overview
Insights for flights from Chicago to San Francisco
How much is a round trip from Chicago to San Francisco
Regular price: $211 - $364
Prices are currently below the regular range.
The regular price range for flights from Chicago to San Francisco is $211-$364. The current lowest deal is $172 with Frontier Airlines, for travel from Aug 17-Aug 19.
now $172
Low $211
High $364
The cheapest time to fly from Chicago to San Francisco
Flights from Chicago to San Francisco are cheapest in April, with a median price of $222. The most expensive month to fly is February, with a median price of $605. Generally, prices are lower from January to December.
April
Flights from $222
February
Flights from $605
Direct flights from Chicago to San Francisco
United Airlines
Last-minute flights going from Chicago to San Francisco
Mon, Jul 27
MDW - San Francisco
Chicago (MDW) - San Francisco (SFO)
Frontier Airlines
$422
$280
One-way
Tue, Jul 28
MDW - San Francisco
Chicago (MDW) - San Francisco (SFO)
Frontier Airlines
$406
$277
One-way
Wed, Jul 29
MDW - San Francisco
Chicago (MDW) - San Francisco (SFO)
Frontier Airlines
$403
$259
One-way
Wed, Aug 5
RFD - San Francisco
Chicago (RFD) - San Francisco (SFO)
Allegiant Air
$322
$190
One-way
Wed, Aug 5
RFD - San Francisco
Chicago (RFD) - San Francisco (SFO)
Allegiant Air
$341
$234
One-way
Wed, Aug 5
MDW - San Francisco
Chicago (MDW) - San Francisco (SFO)
Frontier Airlines
$395
$253
One-way
Biggest price drops on these dates for flights from Chicago to San Francisco
Jul 18 - Jul 21
$446 → $253
43%
Aug 5 - Aug 8
$414 → $240
42%
Aug 5 - Aug 10
$404 → $238
41%
Aug 10 - Aug 13
$405 → $240
41%
Popular Airports to fly from Chicago to San Francisco
Chicago - San Francisco route insights
💸 Price insights
Recent fares are below the typical level
Recent fares from Chicago to San Francisco are below the typical level at $387.
📅 Best time to fly
Fly in April for the best prices
Historically, April is the cheapest month to fly, with a median price of $222.
⏱️ Flight duration
Direct flights average 4h 49m
Direct flights to San Francisco typically take 4 hours and 49 minutes.
✈️ Airlines & availability
43.2% of recent flights are direct
43.2% of recent flights from Chicago to San Francisco are direct.
🏆 Airline highlight
United Airlines offers direct flights
United Airlines is a provider of direct flights on this route.
🎯 Booking tip
Deals appear frequently
Deals on flights from Chicago to San Francisco appear frequently.
Chicago main airports to depart from
O Hare International (ORD)
Fly from O'Hare International for a wide range of options to San Francisco.
📍 ~25 km from Chicago city center (reachable by car or train).
💸 Flights from ~$172
Chicago Midway International (MDW)
Consider Chicago Midway International for another convenient departure point to San Francisco.
📍 ~14 km from Chicago city center (reachable by car or train).
💸 Flights from ~$212
Chicago Rockford International (RFD)
Chicago Rockford International offers an alternative departure choice for your trip to San Francisco.
📍 ~126 km from Chicago city center (reachable by car).
💸 Flights from ~$254
San Francisco main airports to arrive at
San Francisco International (SFO)
San Francisco International Airport is a convenient arrival choice for flights from Chicago to San Francisco.
📍 ~18 km from San Francisco (reachable by car)
💸 Flights from ~$172
Airports nearby San Francisco used as alternative
Oakland International (OAK)
Oakland International is a good alternative, especially with its extensive domestic network and BART rail access.
📍 ~18 km from San Francisco (reachable by BART rail system)
💸 Flights from ~$213
San Jose International (SJC)
San Jose International is a major alternative, serving the South Bay and often experiencing fewer weather delays.
📍 ~72 km from San Francisco (reachable by car)
💸 Flights from ~$234
Sacramento International (SMF)
Sacramento International is a reliable alternative with a wide variety of carriers, especially if Bay Area airspace is congested.
📍 ~129 km from San Francisco (reachable by car)
💸 Flights from ~$214
Charles M. Schulz–Sonoma County (STS)
Charles M. Schulz–Sonoma County is convenient for travelers visiting the North Bay, offering a small, low-stress terminal.
📍 ~97 km from San Francisco (reachable by car)
💸 Flights from ~$298
Monterey Regional (MRY)
Monterey Regional is an alternative for travelers on the southern edge of the Bay Area with regional connectivity.
📍 ~145 km from San Francisco (reachable by car)
💸 Flights from ~$295
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
Aug 11
San Francisco, United States
91% AI deal score
$1,493
$809
Save $684
From ORD
Elite
Sep 26
San Francisco, United States
91% AI deal score
$1,686
$822
Save $864
From ORD
Elite
Aug 20
San Francisco, United States
91% AI deal score
$1,558
$835
Save $723
From ORD
Elite
Sep 22
San Francisco, United States
91% AI deal score
$1,616
$835
Save $781
From ORD
Elite
Aug 26
San Francisco, United States
90% AI deal score
$1,385
$835
Save $550
From ORD
Elite
Sep 02
San Francisco, United States
90% AI deal score
$1,508
$835
Save $673
From ORD
Elite
Aug 19
San Francisco, United States
90% AI deal score
$1,518
$835
Save $683
From ORD
Elite
Sep 03
San Francisco, United States
90% AI deal score
$1,524
$835
Save $689
From ORD
Elite
Aug 27
San Francisco, United States
90% AI deal score
$1,385
$835
Save $550
From ORD
Elite
Sep 01
San Francisco, United States
90% AI deal score
$1,504
$835
Save $669
From ORD
Elite
Sep 02
San Francisco, United States
90% AI deal score
$1,504
$835
Save $669
From ORD
Elite
Sep 03
San Francisco, United States
90% AI deal score
$1,551
$835
Save $716
From ORD
Elite
Sep 01
San Francisco, United States
90% AI deal score
$1,503
$835
Save $668
From ORD
Elite
Sep 01
San Francisco, United States
90% AI deal score
$1,535
$835
Save $700
From ORD
Elite
Sep 03
San Francisco, United States
90% AI deal score
$1,503
$835
Save $668
From ORD
Elite
Aug 19
San Francisco, United States
90% AI deal score
$1,429
$835
Save $594
From ORD
Elite
Aug 26
San Francisco, United States
90% AI deal score
$1,385
$835
Save $550
From ORD
Elite
Aug 27
San Francisco, United States
90% AI deal score
$1,389
$835
Save $554
From ORD
Elite
Sep 02
San Francisco, United States
90% AI deal score
$1,551
$835
Save $716
From ORD
Elite
Aug 20
San Francisco, United States
90% AI deal score
$1,432
$835
Save $597
From ORD
Elite
Aug 15
San Francisco, United States
90% AI deal score
$1,485
$835
Save $650
From ORD
Elite
Sep 15
San Francisco, United States
90% AI deal score
$1,578
$835
Save $743
From ORD
Elite
Sep 15
San Francisco, United States
90% AI deal score
$1,533
$835
Save $698
From ORD
Elite
Sep 03
San Francisco, United States
89% AI deal score
$1,558
$885
Save $673
From ORD
Elite
Sep 03
San Francisco, United States
89% AI deal score
$1,503
$885
Save $618
From ORD
Elite
Aug 25
San Francisco, United States
88% AI deal score
$1,385
$889
Save $496
From ORD
Elite
Sep 29
San Francisco, United States
88% AI deal score
$1,252
$809
Save $443
From ORD
Elite
Sep 26
San Francisco, United States
87% AI deal score
$1,221
$809
Save $412
From ORD
Elite
Aug 12
San Francisco, United States
86% AI deal score
$1,476
$997
Save $479
From ORD
Elite
Sep 22
San Francisco, United States
85% AI deal score
$1,043
$793
Save $250
From ORD
Elite
Sep 15
San Francisco, United States
85% AI deal score
$1,031
$806
Save $225
From ORD
Elite
Sep 15
San Francisco, United States
85% AI deal score
$1,030
$806
Save $224
From ORD
Elite
Jul 08
San Francisco, United States
84% AI deal score
$1,819
$1,239
Save $580
From ORD
Elite
Sep 15
San Francisco, United States
84% AI deal score
$994
$793
Save $201
From ORD
Elite
Dec 15
San Francisco, United States
84% AI deal score
$1,023
$806
Save $217
From ORD
Elite
Dec 15
San Francisco, United States
84% AI deal score
$1,025
$806
Save $219
From ORD
Elite
Sep 17
San Francisco, United States
84% AI deal score
$1,012
$809
Save $203
From MDW
Elite
Aug 11
San Francisco, United States
76% AI deal score
$1,901
$1,542
Save $359
From MDW
Elite
Aug 11
San Francisco, United States
75% AI deal score
$1,871
$1,542
Save $329
From MDW
Elite
Aug 25
San Francisco, United States
75% AI deal score
$1,865
$1,542
Save $323
From MDW
Elite
Aug 11
San Francisco, United States
75% AI deal score
$1,878
$1,548
Save $330
From MDW
Elite
Aug 11
San Francisco, United States
75% AI deal score
$1,842
$1,548
Save $294
From MDW
Elite
Aug 17
San Francisco, United States
75% AI deal score
$1,872
$1,551
Save $321
From MDW
Elite
Aug 17
San Francisco, United States
75% AI deal score
$1,908
$1,583
Save $325
From MDW
Elite
Jul 28
San Francisco, United States
74% AI deal score
$1,716
$1,542
Save $174
From MDW
Elite
Jul 28
San Francisco, United States
74% AI deal score
$1,716
$1,548
Save $168
From MDW
Elite
Jul 28
San Francisco, United States
74% AI deal score
$1,713
$1,548
Save $165
From MDW
Elite
Aug 17
San Francisco, United States
74% AI deal score
$1,846
$1,581
Save $265
From MDW
Elite
Aug 22
San Francisco, United States
74% AI deal score
$1,881
$1,608
Save $273
From MDW
Elite
Aug 13
San Francisco, United States
74% AI deal score
$1,867
$1,624
Save $243
From MDW
Elite
Aug 22
San Francisco, United States
74% AI deal score
$1,915
$1,638
Save $277
From MDW
Elite
Aug 26
San Francisco, United States
74% AI deal score
$1,865
$1,646
Save $219
From MDW
Elite
Aug 13
San Francisco, United States
74% AI deal score
$1,867
$1,653
Save $214
From MDW
Elite
Aug 17
San Francisco, United States
74% AI deal score
$1,865
$1,654
Save $211
From MDW
Elite
Aug 17
San Francisco, United States
74% AI deal score
$1,875
$1,654
Save $221
From MDW
Elite
Aug 17
San Francisco, United States
74% AI deal score
$1,874
$1,654
Save $220
From MDW
Elite
Aug 17
San Francisco, United States
74% AI deal score
$1,898
$1,654
Save $244
From MDW
Elite
Aug 14
San Francisco, United States
74% AI deal score
$1,867
$1,666
Save $201
From MDW
Elite
Aug 17
San Francisco, United States
74% AI deal score
$1,901
$1,680
Save $221
From ORD
Elite
Jul 08
San Francisco, United States
73% AI deal score
$1,752
$1,697
Save $55
From MDW
Elite
Jul 28
San Francisco, United States
73% AI deal score
$1,688
$1,548
Save $140
From MDW
Elite
Jul 29
San Francisco, United States
73% AI deal score
$1,716
$1,572
Save $144
From MDW
Elite
Jul 29
San Francisco, United States
73% AI deal score
$1,716
$1,602
Save $114
From MDW
Elite
Aug 17
San Francisco, United States
73% AI deal score
$1,840
$1,654
Save $186
From MDW
Elite
Aug 21
San Francisco, United States
73% AI deal score
$1,873
$1,683
Save $190
From MDW
Elite
Aug 16
San Francisco, United States
73% AI deal score
$1,877
$1,683
Save $194
From MDW
Elite
Aug 14
San Francisco, United States
73% AI deal score
$1,867
$1,696
Save $171
From MDW
Elite
Aug 21
San Francisco, United States
73% AI deal score
$1,881
$1,713
Save $168
From MDW
Elite
Aug 16
San Francisco, United States
73% AI deal score
$1,874
$1,713
Save $161
From MDW
Elite
Aug 26
San Francisco, United States
73% AI deal score
$1,880
$1,717
Save $163
From MDW
Elite
Aug 24
San Francisco, United States
73% AI deal score
$1,926
$1,729
Save $197
From MDW
Elite
Aug 17
San Francisco, United States
73% AI deal score
$1,933
$1,751
Save $182
From MDW
Elite
Aug 17
San Francisco, United States
73% AI deal score
$1,933
$1,751
Save $182
From MDW
Elite
Aug 17
San Francisco, United States
73% AI deal score
$1,933
$1,751
Save $182
From MDW
Elite
Aug 17
San Francisco, United States
73% AI deal score
$1,933
$1,751
Save $182
From MDW
Elite
Aug 17
San Francisco, United States
73% AI deal score
$1,933
$1,751
Save $182
From MDW
Elite
Aug 17
San Francisco, United States
73% AI deal score
$1,934
$1,751
Save $183
From MDW
Elite
Aug 17
San Francisco, United States
73% AI deal score
$1,933
$1,751
Save $182
From MDW
Elite
Aug 14
San Francisco, United States
73% AI deal score
$1,901
$1,769
Save $132
From MDW
Elite
Jul 29
San Francisco, United States
72% AI deal score
$1,657
$1,610
Save $47
From MDW
Elite
Jul 29
San Francisco, United States
72% AI deal score
$1,713
$1,676
Save $37
From MDW
Elite
Jul 29
San Francisco, United States
72% AI deal score
$1,716
$1,676
Save $40
From MDW
Elite
Jul 29
San Francisco, United States
72% AI deal score
$1,716
$1,676
Save $40
From MDW
Elite
Aug 26
San Francisco, United States
72% AI deal score
$1,858
$1,743
Save $115
From MDW
Elite
Aug 14
San Francisco, United States
72% AI deal score
$1,867
$1,769
Save $98
From MDW
Elite
Aug 19
San Francisco, United States
72% AI deal score
$1,852
$1,800
Save $52
From MDW
Elite
Jul 29
San Francisco, United States
71% AI deal score
$1,712
$1,676
Save $36
From MDW
Elite
Jul 29
San Francisco, United States
71% AI deal score
$1,705
$1,684
Save $21
From MDW
Elite
Jul 29
San Francisco, United States
71% AI deal score
$1,687
From MDW
Elite
Jul 30
San Francisco, United States
71% AI deal score
$1,716
$1,703
Save $13
From MDW
Elite
Jul 29
San Francisco, United States
71% AI deal score
$1,709
From MDW
Elite
Jul 29
San Francisco, United States
71% AI deal score
$1,727
From MDW
Elite
Jul 29
San Francisco, United States
71% AI deal score
$1,746
From ORD
Elite
Sep 22
San Francisco, United States
49% AI deal score
$1,740
From ORD
Elite
Sep 15
San Francisco, United States
48% AI deal score
$1,740
From ORD
Elite
Jul 11
San Francisco, United States
48% AI deal score
$2,381
From ORD
Elite
Oct 24
San Francisco, United States
47% AI deal score
$1,731
From ORD
Elite
Oct 20
San Francisco, United States
46% AI deal score
$2,347
From ORD
Elite
Oct 22
San Francisco, United States
46% AI deal score
$2,927
From ORD
Elite
Oct 21
San Francisco, United States
46% AI deal score
$3,648