Cheap flights from Chicago-O'Hare Intl to San Francisco (ORD - SFO)

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The best prices from Chicago-O'Hare Intl to San Francisco are usually found in August or January, booked 34 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

How to find the cheapest flight from
Chicago-O'Hare Intl (ORD) to San Francisco (SFO)

ORD - SFO
Price
$236 - $312
SFO
Temperature
59 - 77 °F
SFO
Rainfall
0 - 4.7 inches

Popular in

December

High demand for flights, 13% potential price rise

Cheapest in

August

Best time to find cheap flights, 13% potential price drop

Round-trip from

$236

From Chicago-O'Hare Intl to San Francisco

One-way from

$38

One-way flight from Chicago-O'Hare Intl to San Francisco

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Chicago-O'Hare Intl to San Francisco?

Travelers have found that booking a Friday departure is the best way to save up to 14% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Chicago-O'Hare Intl to San Francisco?

Users have found that booking a flight from Chicago-O'Hare Intl to San Francisco at least 35 days early can save you up to 7% on average compared to booking a flight this week. If booking 35 days before your flight isn’t an option for you, users have found flights from Chicago-O'Hare Intl to San Francisco for as little as $99 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $105 for flights departing within the next 3 days.

What is the cheapest month to fly from Chicago-O'Hare Intl to San Francisco?

August is one of the best times of the year to fly to San Francisco from Chicago-O'Hare Intl. Prices for August average $108 per person but you can even find prices for as low as $48. The most expensive prices can be found in the month of June. Opting for a August flight can save you 17% on your journey compared to booking in August

When is the cheapest time to fly from Chicago-O'Hare Intl to San Francisco (ORD - SFO)?

It’s optimal to fly from Chicago-O'Hare Intl to San Francisco in the afternoon. By choosing this option you can save up to 6% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Chicago-O'Hare Intl to San Francisco in March, April 2021

10 Mar - 24 Mar
$72pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
3 Apr - 6 Apr
$75pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
14 Mar - 24 Mar
$76pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

Chicago-O'Hare Intl to San Francisco 2021 flight deals

10 Mar - 24 Mar
$72pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
3 Apr - 6 Apr
$75pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
14 Mar - 24 Mar
$76pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

Non-stop flights to San Francisco from Chicago-O'Hare Intl

25 May - 1 Jun
$146pp
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl
24 Mar - 28 Mar
$151pp
ORD
Chicago O'Hare Intl
Major Airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Major Airline
Non-Stop
ORD
Chicago O'Hare Intl
24 Mar - 27 Mar
$152pp
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Chicago-O'Hare Intl to San Francisco

10 Mar - 24 Mar
$72pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
10 Mar - 12 Mar
$75pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
14 Mar - 24 Mar
$76pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to San Francisco from Chicago-O'Hare Intl

8:20 am - 8:10 am
Frontier
1 Stop
25h 50m
ORD - SFO
Frontier
$38
Gotogate
1:10 am - 8:10 am
Frontier
1 Stop
8h 00m
ORD - SFO
Frontier
$39
FareScan
10:43 am - 10:44 am
Multiple Airlines
1 Stop
26h 01m
ORD - SFO
Multiple Airlines
$42
Gotogate

Related info for your journey

Flight FAQs

From Chicago-O'Hare Intl to San Francisco

Are flight prices decreasing from Chicago-O'Hare Intl to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Chicago-O'Hare Intl and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Chicago O'Hare Intl to San Francisco to control the spread of COVID-19?

Alaska Airlines and Delta are some of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Chicago O'Hare Intl to San Francisco are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Chicago O'Hare Intl to San Francisco have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, American Airlines, and Alaska Airlines flying from Chicago O'Hare Intl to San Francisco have implemented new flexible cancellation policies.

Can I find flights from Chicago-O'Hare Intl to San Francisco for under $100 on Cheapflights?

Yes, there are multiple flights from Chicago-O'Hare Intl to San Francisco for under $100. The cheapest flight booked recently is on Frontier for just $72, but on average you can expect to pay $88.

Are there nonstop flights from Chicago-O'Hare Intl to San Francisco for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago-O'Hare Intl to San Francisco under $200. A good price for a nonstop flight from Chicago-O'Hare Intl to San Francisco is less than $164.

Are there last-minute flights available from Chicago-O'Hare Intl to San Francisco for under $100?

There are currently 20+ open flights from Chicago-O'Hare Intl to San Francisco within the next 7 days for less than $100.

What days are nonstop flights available from Chicago-O'Hare Intl to San Francisco?

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Saturday.

How many flights depart from Chicago-O'Hare Intl to San Francisco on average per day?

Per day, 19 flights depart from Chicago O'Hare Intl to San Francisco on average.
Morning (6am - Noon) - 47% of flight departures
Evening (6pm - Midnight) - 53% of flight departures

Does it rain more in Chicago-O'Hare Intl or San Francisco?

Expected rainfall in Chicago-O'Hare Intl is same as in San Francisco. You can expect this to be the case over the next 15 days.

Is Chicago-O'Hare Intl weather warmer or cooler than San Francisco?

You can imagine temperatures to be in the 86 °F range in July. The weather in San Francisco is generally colder than Chicago-O'Hare Intl's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from Chicago-O'Hare Intl to San Francisco?

Frontier can get you from Chicago-O'Hare Intl to San Francisco in just under 7h 49m. Your travel time can differ by up to . The distance between Chicago-O'Hare Intl and San Francisco is about 1851 mi.

What is the cheapest airline to fly from Chicago-O'Hare Intl to San Francisco round-trip?

Cheapflights users have booked flights from Chicago-O'Hare Intl to San Francisco round-trip from $72. Frontier is currently priced 73% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Chicago-O'Hare Intl to San Francisco one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $38.

Alternative routes for Chicago-O'Hare Intl to San Francisco

Destination information for San Francisco

Average temperature for March in San Francisco
66.2 °F
Avg rainfall for March in San Francisco
1.6 ″

Airports servicing Chicago

Airports servicing San Francisco

Top 7 airlines flying from Chicago-O'Hare Intl to San Francisco

Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$103 $236 No cancel fee 65%
Frontier
$102 $255 No cancel fee 62%
Alaska Airlines
$118 $257 No cancel fee 75%
Delta
$127 $262 No cancel fee N/A
Sun Country Air
$131 $293 No cancel fee 83%
American Airlines
$128 $315 No cancel fee 71%
United Airlines
$138 $331 No cancel fee 69%

Hourly flight availability from Chicago-O'Hare Intl to San Francisco

Afternoon Noon to 6 PM 59% of ORD to SFO departures
Morning 6 AM to noon 29% of ORD to SFO departures
Evening 6 PM to midnight 11% of ORD to SFO departures
Early morning Midnight to 6 AM 1% of ORD to SFO departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Chicago-O'Hare Intl to San Francisco
Sunday
8 daily flights
Monday
11 daily flights
Tuesday
14 daily flights
Wednesday
20 daily flights
Thursday
4 daily flights
Friday
7 daily flights
Saturday
9 daily flights
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