United Airlines Chicago to San Francisco Flights

Cheapflightsplus.com will find cheap United Airlines flights from Chicago to San Francisco. Compare airline ticket prices and book air tickets starting from $140 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Chicago (IL) — San Francisco (CA) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in august: one-way - $140, two-way – $240.
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Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
10:49 am — 1:35 pm
10:49 am — 1:35 pm UA343 United Airlines
Chicago — San Francisco
4h 46m
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from$150
10:53 am — 1:40 pm
10:53 am — 1:40 pm UA741 United Airlines
Chicago — San Francisco
4h 47m
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from$268
12:46 pm — 3:33 pm
12:46 pm — 3:33 pm UA1878 United Airlines
Chicago — San Francisco
4h 47m
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from$150
12:53 pm — 3:30 pm
12:53 pm — 3:30 pm UA2465 United Airlines
Chicago — San Francisco
4h 37m
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from$150
2:25 pm — 5:07 pm
2:25 pm — 5:07 pm UA1577 United Airlines
Chicago — San Francisco
4h 42m
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from$150
3:47 pm — 6:28 pm
3:47 pm — 6:28 pm UA1168 United Airlines
Chicago — San Francisco
4h 41m
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from$150
3:51 pm — 6:41 pm
3:51 pm — 6:41 pm UA1863 United Airlines
Chicago — San Francisco
4h 50m
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from$140
4:09 pm — 7:06 pm
4:09 pm — 7:06 pm UA1815 United Airlines
Chicago — San Francisco
4h 57m
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from$402
4:25 pm — 7:09 pm
4:25 pm — 7:09 pm UA2475 United Airlines
Chicago — San Francisco
4h 44m
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from$150
4:30 pm — 7:03 pm
4:30 pm — 7:03 pm UA448 United Airlines
Chicago — San Francisco
4h 33m
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from$152
4:50 pm — 7:36 pm
4:50 pm — 7:36 pm UA1660 United Airlines
Chicago — San Francisco
4h 46m
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from$150
6:15 am — 8:56 am
6:15 am — 8:56 am UA1807 United Airlines
Chicago — San Francisco
4h 41m
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from$150
6:15 am — 8:56 am
6:15 am — 8:56 am UA1245 United Airlines
Chicago — San Francisco
4h 41m
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from$152
6:25 pm — 9:13 pm
6:25 pm — 9:13 pm UA2179 United Airlines
Chicago — San Francisco
4h 48m
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from$150
6:25 pm — 9:25 pm
6:25 pm — 9:25 pm UA2154 United Airlines
Chicago — San Francisco
5h
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from$402
6:30 am — 9:09 am
6:30 am — 9:09 am UA2645 United Airlines
Chicago — San Francisco
4h 39m
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from$140
6:30 am — 9:09 am
6:30 am — 9:09 am UA1273 United Airlines
Chicago — San Francisco
4h 39m
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from$162
6:48 am — 9:27 am
6:48 am — 9:27 am UA336 United Airlines
Chicago — San Francisco
4h 39m
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from$256
7:00 am — 9:42 am
7:00 am — 9:42 am UA611 United Airlines
Chicago — San Francisco
4h 42m
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from$162
7:15 am — 10:01 am
7:15 am — 10:01 am UA1881 United Airlines
Chicago — San Francisco
4h 46m
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from$150
7:19 am — 10:05 am
7:19 am — 10:05 am UA2214 United Airlines
Chicago — San Francisco
4h 46m
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from$152
7:43 pm — 10:34 pm
7:43 pm — 10:34 pm UA1084 United Airlines
Chicago — San Francisco
4h 51m
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from$152
7:48 pm — 10:38 pm
7:48 pm — 10:38 pm UA1324 United Airlines
Chicago — San Francisco
4h 50m
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from$162
8:50 am — 11:29 am
8:50 am — 11:29 am UA1387 United Airlines
Chicago — San Francisco
4h 39m
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from$150
9:10 pm — 11:56 pm
9:10 pm — 11:56 pm UA2106 United Airlines
Chicago — San Francisco
4h 46m
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from$150
9:17 pm — 0:15 am
+1 day
9:17 pm — 0:15 am UA658 United Airlines
Chicago — San Francisco
4h 58m
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from$402
11:15 am — 9:14 pm
11:15 am — 2:11 pm UA1097 United Airlines
Chicago — Washington D.C.
3h 48m stop
5:59 pm — 9:14 pm UA698 United Airlines
Washington D.C. — San Francisco
11h 59m
including layover
Find flight
from$412
11:15 am — 9:14 pm
11:15 am — 2:11 pm UA1869 United Airlines
Chicago — Washington D.C.
3h 48m stop
5:59 pm — 9:14 pm UA698 United Airlines
Washington D.C. — San Francisco
11h 59m
including layover
Find flight
from$412
1:04 pm — 11:10 pm
1:04 pm — 2:46 pm UA622 United Airlines
Chicago — Denver
6h 38m stop
9:24 pm — 11:10 pm UA746 United Airlines
Denver — San Francisco
12h 6m
including layover
Find flight
from$352
1:05 pm — 7:41 pm
1:05 pm — 3:00 pm UA1935 United Airlines
Chicago — Denver
2h 50m stop
5:50 pm — 7:41 pm UA1007 United Airlines
Denver — San Francisco
8h 36m
including layover
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from$412
2:35 pm — 11:09 pm
2:35 pm — 4:27 pm UA503 United Airlines
Chicago — Denver
4h 57m stop
9:24 pm — 11:09 pm UA746 United Airlines
Denver — San Francisco
10h 34m
including layover
Find flight
from$257
5:00 am — 5:19 pm
5:00 am — 6:43 am UA2666 United Airlines
Chicago — Denver
8h 57m stop
3:40 pm — 5:19 pm UA2633 United Airlines
Denver — San Francisco
14h 19m
including layover
Find flight
from$295
5:02 am — 3:10 pm
5:02 am — 6:45 am UA2666 United Airlines
Chicago — Denver
6h 41m stop
1:26 pm — 3:10 pm UA1812 United Airlines
Denver — San Francisco
12h 8m
including layover
Find flight
from$337
8:45 am — 8:05 pm
8:45 am — 11:43 am UA691 United Airlines
Chicago — Boise
7h 32m stop
7:15 pm — 8:05 pm UA567 United Airlines
Boise — San Francisco
13h 20m
including layover
Find flight
from$276
9:42 pm — 7:41 am
+1 day
9:42 pm — 0:15 am UA2378 United Airlines
Chicago — Los Angeles
5h 45m stop
6:00 am — 7:41 am UA2194 United Airlines
Los Angeles — San Francisco
11h 59m
including layover
Find flight
from$272
*Departure and arrival times are local. Last updated on 07/25/2025

Flight Information

There are 26 flights by United Airlines from Chicago to San Francisco every week with departures from Chicago FSS, Midway, O'Hare International, Chicago NAS, Merrill C Meigs (closed), Dupage County, Pal-Waukee. All flights arrive at San Francisco, Embarkadero, China Basin Heliport.

Departures start from 10:37 am to 9:50 pm. Nonstop flight is 4h 33m. The time difference between Chicago and San Francisco is 2h.

  • The fastest flight 4h 33m
  • Average flight time 4h 46m
  • The earliest flight 10:37 am
  • The latest flight 9:50 pm
  • Distance 1857 ml

The cheapest months for traveling to San Francisco are may (from 140 $), july (from 141 $), october (from 150 $).

The most expensive and popular months are april (from 402 $), november (from 342 $), december (from 229 $).

The cheapest flight by United Airlines that our users were able to find is $140. This airfare is economy class on one-way UA2645 flight for June 6, 2025 leaving O'Hare International in Chicago at 6:30 am, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 22 airline carriers between Chicago and San Francisco. Please review schedules and prices from the most popular airlines to find the best airfare deals from Chicago to San Francisco.

Nonstop flights

There are 62 direct flights every day from Chicago. Airlines and fares are below:

  • AA - American Airlines
    from $398
    Find
  • QR - Qatar Airways
    from $405
    Find
  • JL - Japan Airlines - JAL
    from $469
    Find
  • OS - Austrian Airlines
    from $411
    Find
  • VA - V Australia
    from $411
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  • OZ - Asiana Airlines
    from $411
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  • NZ - Air New Zealand Limited
    from $411
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  • AS - Alaska Airlines
    from $108
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  • QF - Qantas
    from $467
    Find
  • WN - Southwest Airlines
    from $470
    Find
  • RJ - Royal Jordanian
    from $513
    Find
See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

  • AA - American Airlines
    from $409
    Find
  • JL - Japan Airlines - JAL
    from $421
    Find
  • SY - Sun Country Airlines
    from $136
    Find
  • DL - Delta Air Lines Inc.
    from $351
    Find
  • G4 - Allegiant Air
    from $232
    Find
  • AS - Alaska Airlines
    from $118
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  • F9 - Frontier Airlines
    from $108
    Find
  • B6 - JetBlue
    from $668
    Find
  • WN - Southwest Airlines
    from $385
    Find
  • HA - Hawaiian Airlines
    from $109
    Find
  • Y4 - Volaris
    from $260
    Find
See more connecting flights

How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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