Cheap flights from Chicago O'Hare Intl Airport to San Francisco from £101
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SFO
29 Oct — 5 Nov1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago O'Hare Intl to San Francisco are usually found in February or October, booked 72 days in advance, depart on a Tuesday or Monday and return on a Tuesday
Cheap flight deals from O'Hare Intl to San Francisco
Enter your travel dates to find the best prices.
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Best
Direct
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One-way
Cheapest flights from O'Hare Intl to San Francisco
Explore the most affordable flight options available from O'Hare Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.
Mon 9/1106:30 -
1 stop6h 47m
Mon 16/1122:17 -
1 stop12h 34m
Deal found 25/9£194
Sat 24/1006:00 -
1 stop13h 55m
Sat 31/1012:20 -
1 stop10h 01m
Deal found 24/9£195
Tue 3/1106:30 -
1 stop6h 47m
Sat 14/1123:52 -
1 stop7h 43m
Deal found 26/9£195
Fri 6/1106:30 -
1 stop6h 47m
Mon 9/1122:17 -
1 stop12h 34m
Deal found 28/9£205
Wed 11/1106:30 -
2 stops16h 02m
Wed 18/1112:20 -
1 stop10h 01m
Deal found 27/9£206
Tue 3/1109:30 -
1 stop13h 02m
Wed 11/1118:28 -
2 stops12h 36m
Deal found 24/9£232
Mon 2/1108:29 -
2 stops14h 03m
Thu 12/1107:05 -
2 stops12h 28m
Deal found 24/9£236
Sat 31/1007:00 -
2 stops12h 00m
Mon 9/1111:53 -
1 stop9h 56m
Deal found 28/9£238
Best flights from O'Hare Intl to San Francisco
Discover carefully curated flight deals from O'Hare Intl to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.
Thu 14/107:40 -
1 stop7h 04m
Mon 18/108:28 -
1 stop11h 40m
Deal found 26/9£250
Tue 27/1021:00 -
Nonstop4h 56m
Tue 3/1118:42 -
Nonstop4h 17m
Deal found 28/9£254
Tue 27/1015:40 -
1 stop10h 16m
Wed 28/1018:38 -
2 stops12h 15m
Deal found 24/9£260
Sun 15/1119:57 -
1 stop14h 55m
Tue 17/1108:43 -
2 stops13h 16m
Deal found 26/9£260
Sat 21/1121:57 -
Nonstop4h 56m
Fri 27/1120:45 -
Nonstop4h 17m
Deal found 25/9£275
Fri 8/114:11 -
1 stop7h 52m
Sun 10/118:53 -
1 stop16h 22m
Deal found 25/9£272
Thu 29/1006:00 -
Nonstop4h 44m
Sun 1/1115:20 -
Nonstop4h 25m
Deal found 28/9£292
Fri 19/319:55 -
1 stop14h 07m
Tue 23/311:25 -
1 stop10h 15m
Deal found 24/9£274
Wed 18/1107:35 -
Nonstop4h 53m
Tue 1/1223:10 -
Nonstop4h 15m
Deal found 25/9£313
Fri 6/1106:00 -
Nonstop4h 44m
Mon 9/1118:42 -
Nonstop4h 17m
Deal found 28/9£313
Direct flights from O'Hare Intl to San Francisco
Explore direct flight options from O'Hare Intl to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 September 2026.
Sat 24/1021:31 -
Nonstop4h 59m
Sat 31/1015:18 -
Nonstop4h 32m
Deal found 24/9£253
Tue 27/1016:35 -
Nonstop4h 53m
Thu 29/1006:35 -
Nonstop4h 23m
Deal found 28/9£254
Fri 30/1006:00 -
Nonstop4h 44m
Mon 2/1118:42 -
Nonstop4h 17m
Deal found 24/9£264
Wed 23/1221:51 -
Nonstop5h 08m
Sat 26/1223:30 -
Nonstop4h 26m
Deal found 28/9£265
Fri 18/1221:51 -
Nonstop5h 08m
Sat 16/123:10 -
Nonstop4h 24m
Deal found 28/9£272
Fri 23/1006:07 -
Nonstop4h 38m
Fri 30/1017:10 -
Nonstop4h 17m
Deal found 25/9£274
Sat 21/1121:57 -
Nonstop4h 56m
Fri 27/1120:45 -
Nonstop4h 17m
Deal found 25/9£275
Sat 21/1121:57 -
Nonstop4h 56m
Wed 25/1120:45 -
Nonstop4h 17m
Deal found 25/9£275
Fri 20/1106:00 -
Nonstop4h 44m
Fri 27/1118:42 -
Nonstop4h 17m
Deal found 28/9£281
Fri 20/1106:00 -
Nonstop4h 44m
Tue 24/1118:42 -
Nonstop4h 17m
Deal found 27/9£282
Tue 1/1205:59 -
Nonstop4h 41m
Wed 2/1212:41 -
Nonstop4h 24m
Deal found 28/9£283
Fri 27/1106:00 -
Nonstop4h 44m
Tue 29/1222:34 -
Nonstop4h 23m
Deal found 28/9£290
Last-minute flights from O'Hare Intl to San Francisco
Discover last-minute flight deals from O'Hare Intl to San Francisco. Data last updated 29 September 2026 and is based on user searches.
Sat 17/1014:21 -
1 stop7h 10m
Sat 24/1017:45 -
1 stop9h 55m
Deal found 25/9£238
Tue 20/1017:29 -
1 stop7h 09m
Tue 27/1018:38 -
2 stops12h 15m
Deal found 27/9£253
Thu 22/1015:49 -
1 stop10h 03m
Mon 26/1016:51 -
2 stops10h 49m
Deal found 25/9£245
Fri 23/1007:20 -
1 stop7h 21m
Mon 26/1016:51 -
2 stops10h 49m
Deal found 25/9£255
Sat 24/1006:00 -
1 stop13h 55m
Sat 31/1012:20 -
1 stop10h 01m
Deal found 24/9£195
Sat 24/1014:21 -
1 stop7h 10m
Mon 26/1016:51 -
2 stops10h 49m
Deal found 25/9£256
Tue 27/1007:00 -
2 stops12h 00m
Fri 30/1020:46 -
1 stop16h 07m
Deal found 28/9£247
Tue 27/1016:35 -
Nonstop4h 53m
Thu 29/1006:35 -
Nonstop4h 23m
Deal found 28/9£254
Thu 29/1007:35 -
2 stops14h 07m
Tue 3/1107:05 -
2 stops13h 00m
Deal found 28/9£251
Sat 31/1007:00 -
2 stops12h 00m
Mon 9/1111:53 -
1 stop9h 56m
Deal found 28/9£238
One-way flights from O'Hare Intl to San Francisco
Search for one-way flight options from O'Hare Intl to San Francisco. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.
Sat 24/1012:37 -
1 stop11h 48m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 24/9£101
Fri 30/1006:30 -
1 stop6h 47m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 24/9£107
Tue 27/1007:29 -
1 stop16h 46m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/9£118
Sat 17/1014:21 -
1 stop7h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 25/9£120
Wed 2/1209:00 -
2 stops13h 31m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/9£126
Sat 17/1016:05 -
Nonstop4h 49m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 25/9£128
Tue 23/314:54 -
1 stop6h 46m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 25/9£131
Thu 29/1019:18 -
1 stop23h 49m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 24/9£134
Mon 19/1017:29 -
1 stop7h 09m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/9£135
Fri 30/1018:20 -
Nonstop5h 04m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/9£137
Sat 21/1121:57 -
Nonstop4h 56m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 27/9£138
Find flight deals from O'Hare Intl to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 September 2026.
Customise your flight search to find flights from O'Hare Intl to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 29 September 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Wed 16/12
18:10-09:02
1 stop16h 52m
San Francisco
Wed 31/12
00:00-02:00
Nonstop0h 00m
£126
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Mon 2/11
21:57-00:53
Nonstop4h 56m
San Francisco
Wed 31/12
00:00-02:00
Nonstop0h 00m
£128
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Tue 20/10
14:55-00:07
1 stop11h 12m
San Francisco
Wed 31/12
00:00-02:00
Nonstop0h 00m
£128
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Tue 10/11
18:20-21:24
Nonstop5h 04m
San Francisco
Wed 31/12
00:00-02:00
Nonstop0h 00m
£128
Fastest return journey
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Wed 16/12
10:25-13:13
Nonstop4h 48m
San Francisco
Wed 31/12
00:00-02:00
Nonstop0h 00m
£128
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Wed 23/12
07:00-14:19
1 stop9h 19m
San Francisco
Wed 31/12
00:00-02:00
Nonstop0h 00m
£135
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Fri 15/1
14:13-19:59
1 stop7h 46m
San Francisco
Wed 31/12
00:00-02:00
Nonstop0h 00m
£137
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Sat 21/11
21:57-00:53
Nonstop4h 56m
San Francisco
Wed 31/12
00:00-02:00
Nonstop0h 00m
£138
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Fri 16/10
18:59-08:59
1 stop16h 00m
San Francisco
Wed 31/12
00:00-02:00
Nonstop0h 00m
£141
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Wed 2/12
07:27-17:31
2 stops12h 04m
San Francisco
Wed 31/12
00:00-02:00
Nonstop0h 00m
£141
Flights are sorted by cheapest return flights first.
Deals found on 25/9
Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from O'Hare Intl to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from O'Hare Intl with our price prediction graph.
ORD-SFO
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to San Francisco
Prices
Airlines
Delays
How far ahead should I book a flight from Chicago O'Hare Intl Airport to San Francisco?
The price you pay for your flight from Chicago O'Hare Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 71 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of £281). Flying from Chicago O'Hare Intl Airport to San Francisco in June is currently the most expensive (average of £361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ORD to SFO?
Find hourly flight availability from O'Hare Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 September 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 67% on flights from Chicago O'Hare Intl Airport to San Francisco by exploring options for tickets in the morning.
How much does it cost for a return flight from Chicago O'Hare Intl Airport to San Francisco?
Airfare is below average for this route at the moment.
Chicago O'Hare Intl Airport to San Francisco flights typically cost between £215 and £389 in November.The cheapest return price found within the last 5 days was £194 on Frontier (9 Nov–16 Nov).
Weekly flight availability from Chicago O'Hare Intl Airport to San Francisco
Explore weekly flight availability from O'Hare Intl to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 September 2026.
The most flights from ORD to SFO are scheduled on a Sunday (103 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (71 on average).
How often are flights from Chicago to San Francisco delayed?
About 26% of weekly flights between Chicago and San Francisco have experienced delays in the past year, with the average delay time being 176 minutes.
What is the most punctual flight time for Chicago to San Francisco flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to San Francisco flights?
Over the past year, United Airlines have had the lowest number of delays on this route, with just 23% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to San Francisco from Chicago O'Hare Intl?
San Francisco (SFO) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to San Francisco. You should not have trouble finding flights to San Francisco from Chicago O'Hare Intl; the airport handles an average of 88 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the San Francisco airport from Chicago O'Hare Intl. It is only a 11.0 mi journey from San Francisco (SFO) to San Francisco’s city center.
How long is the flight from Chicago O'Hare Intl Airport to San Francisco?
A quick flight from Chicago O'Hare Intl Airport to San Francisco can take about 4h 56m. United Airlines provides one of the quickest options available for as low as £254. Chicago O'Hare Intl Airport and San Francisco are separated by a distance of 1841 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from Chicago O'Hare Intl Airport to San Francisco?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago O'Hare Intl Airport to San Francisco on time: Air China (82%), Air Canada (71%), United Airlines (71%).
What are the cheapest flights from Chicago O'Hare Intl Airport to San Francisco?
While on average a flight from Chicago O'Hare Intl Airport to San Francisco is generally £854, our data shows the cheapest flight currently is £463. When looking at the most popular route, (Chicago O'Hare Intl - San Francisco), you can expect to pay £272 for that flight.
Can I find deals for flights from O'Hare Intl to San Francisco that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to San Francisco.
Can I find deals for business class flights from O'Hare Intl to San Francisco?
Yes. Cheapflights offers flight deals from O'Hare Intl to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of £281). Flying from Chicago O'Hare Intl Airport to San Francisco in June is currently the most expensive (average of £361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 29 September 2026.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from O'Hare Intl to San Francisco?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco from O'Hare Intl today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to San Francisco?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from O'Hare Intl to San Francisco for you. Better yet — we are completely free to use.
Can Cheapflights find flights from O'Hare Intl to San Francisco with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from O'Hare Intl to San Francisco, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from O'Hare Intl to San Francisco become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from O'Hare Intl today and book when prices fit your budget.
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