Cheap flights from O'Hare Intl (ORD) to San Francisco (SFO) from $43

This is the cheapest one-way flight price, found on 9/24. Prices may vary by date and flight preferences.
ORD — SFO
Sep 30 — Oct 71

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

All the information you need to plan the best ORD to SFO flight in 2023: compare O'Hare Intl to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.

Popular in

June

Cheapest in

January

Round-trip from

$258

One-way from

$43
High demand for flights, 28% potential price rise
Best time to find cheap flights, 25% potential price drop
From Chicago O'Hare Intl to San Francisco
One-way flight from Chicago O'Hare Intl to San Francisco

ORD - SFO

Price

$258 - $437

SFO

Temperature

51.8 - 62.6 °F

SFO

Rainfall

0 - 4.4 inches

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

To save on the cost of your flight from Chicago O'Hare Intl Airport to San Francisco, book at least 61 days before your planned departure. Booking around this time can save you about 53% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $482 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $653.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to San Francisco. Flights to San Francisco from Chicago O'Hare Intl Airport in February are about $408 on average during February, but can be found for as low as $196.

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

When flying from Chicago O'Hare Intl Airport to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Frontier flights from O'Hare Intl to San Francisco

Peruse some of the lowest-priced Frontier flights we've found from Chicago to San Francisco. Be sure to come back soon if the deals available don't appeal to you at this time.
  • One of the most popular airlines traveling from Chicago O'Hare Intl Airport to San Francisco is Frontier. Flights from Frontier traveling this route typically cost $337.80 RT. This price is typically 27% cheaper than other airlines that offer Chicago O'Hare Intl Airport to San Francisco flights. When booking this route, the cheapest RT price found was $136. Chicago O'Hare Intl Airport is the most common Chicago O'Hare Intl Airport airport to take off from when flying to San Francisco. San Francisco Airport is the most popular arrival airport in San Francisco. When flying from Chicago O'Hare Intl Airport to San Francisco, Frontier flights are 14% more popular than any other airline flying that same route.

Cheap Alaska Airlines flights from O'Hare Intl to San Francisco

Take a gander at the lowest prices we've found on Alaska Airlines flights from Chicago to San Francisco. Deals are refreshing constantly so come back soon for more options.
  • Alaska Airlines is one of the most popular airlines used for those traveling from Chicago O'Hare Intl Airport to San Francisco. Flights on this route from Alaska Airlines typically cost $386.23 RT, a price that is 56% cheaper than the average Chicago O'Hare Intl Airport to San Francisco flight. The cheapest flight found was $202 RT. Chicago O'Hare Intl Airport is the most common Chicago O'Hare Intl Airport airport to take off from when flying to San Francisco. San Francisco Airport is the most popular arrival airport in San Francisco. When flying from Chicago O'Hare Intl Airport to San Francisco, Alaska Airlines flights are 6% more popular than any other airline flying that same route.

Cheap O'Hare Intl to San Francisco flights in September & October 2023

The best prices found for ORD to SFO flights for September, October
Listed are some of the best fares we've found on flights departing from Chicago to San Francisco in 2023. For more flight deals, be sure to check back very soon.

O'Hare Intl to San Francisco 2023 flight deals

Cheap flights to San Francisco from O'Hare Intl found for this year
Listed are some of the best fares we've found on flights departing from Chicago to San Francisco in 2023. For more flight deals, be sure to check back very soon.

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

Save time with O'Hare Intl to San Francisco direct flight deals
To help reduce your travel time, choose from one of these non-stop flights from Chicago to San Francisco. Search for alternative flights from Chicago to San Francisco by utilizing the search form above.

O'Hare Intl to San Francisco flights leaving soon

Late deals on return flights to San Francisco from O'Hare Intl, departing today and this week
Book one of these great deals on flights from Chicago to San Francisco. Users should be sure to double check the price, date, and time of their last-minute flight.

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

The cheapest one-way flights from O'Hare Intl to San Francisco
Take a look at some of the best available options we've come across on one-way flights from Chicago to San Francisco. Those seeking round-trip flights from Chicago to San Francisco should utilize the search form at the the top of the page.

Find flights from O'Hare Intl to San Francisco within your budget

Use the slider to find flights from O'Hare Intl to San Francisco that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$91 - $237

Route

Depart

Return

Price

Chicago O'Hare IntlSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 10/24

1 stop8h 48m

San Francisco

Tue 10/31

1 stop22h 31m

Chicago O'Hare IntlSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 11/4

1 stop15h 15m

San Francisco

Wed 11/8

1 stop14h 59m

Chicago O'Hare IntlSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 11/1

1 stop10h 20m

San Francisco

Mon 11/6

1 stop18h 23m

Chicago O'Hare IntlSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 10/17

1 stop8h 48m

San Francisco

Tue 10/24

1 stop18h 13m

Chicago O'Hare IntlSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 10/25

1 stop10h 20m

San Francisco

Wed 11/1

2 stops29h 35m

Chicago O'Hare IntlSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 11/23

Nonstop4h 45m

San Francisco

Wed 11/29

1 stop6h 21m

Chicago O'Hare IntlSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 11/30

1 stop9h 15m

San Francisco

Sat 12/2

Nonstop4h 15m

Chicago O'Hare IntlSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 10/26

Nonstop4h 43m

San Francisco

Sat 10/28

Nonstop4h 17m

Chicago O'Hare IntlSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 10/28

1 stop9h 58m

San Francisco

Tue 10/31

1 stop7h 33m

Flights are sorted by cheapest first

Deals found on 9/24

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from Chicago to San Francisco, such as Frontier, Alaska Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.2

Boarding

8.3

Food

7.2

Overall

8.1

Reviews

1 / 10

They lost my luggage on my way to NY and then again on my way to SF, horrible

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.2

Boarding

8.3

Food

7.2

Overall

8.1

Reviews

1 / 10

They lost my luggage on my way to NY and then again on my way to SF, horrible

Delta
7.9
Good
3,021 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.2

Boarding

8.3

Food

7.2

Overall

8.1

Reviews

1 / 10

They lost my luggage on my way to NY and then again on my way to SF, horrible

Southwest
7.6
Good
1,521 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.2

Boarding

8.3

Food

7.2

Overall

8.1

Reviews

1 / 10

They lost my luggage on my way to NY and then again on my way to SF, horrible

Sun Country Air
7.4
Good
94 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.2

Boarding

8.3

Food

7.2

Overall

8.1

Reviews

1 / 10

They lost my luggage on my way to NY and then again on my way to SF, horrible

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.2

Boarding

8.3

Food

7.2

Overall

8.1

Reviews

1 / 10

They lost my luggage on my way to NY and then again on my way to SF, horrible

Related info for your journey

Useful info, stats and facts about O'Hare Intl to San Francisco flights.

What airport do you fly into for flights to San Francisco from Chicago O'Hare Intl?

Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to San Francisco (SFO) should be relatively easy as there are 58 daily inbound flights from Chicago O'Hare Intl from 7 different airlines.

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

Yes, there are multiple flights from Chicago O'Hare Intl Airport to San Francisco for under $100. The cheapest flight booked recently is on Frontier for just $91, but on average you can expect to pay $111.

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

Cheapflights has at least 20 direct flights from Chicago O'Hare Intl Airport to San Francisco under $200. A good price for a nonstop flight from Chicago O'Hare Intl Airport to San Francisco is less than $235.

Are there last-minute flights available from Chicago O'Hare Intl Airport to San Francisco for under $200?

There are currently 20+ open flights from Chicago O'Hare Intl Airport to San Francisco within the next 7 days for less than $200.

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

Days when nonstop flights are available for this flight are: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

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

55 flight departures from Chicago O'Hare Intl Airport to San Francisco per day on average.
Early Morning (Midnight to 6am) - 7% of flight departures
Morning (6am - Noon) - 24% of flight departures
Afternoon (Noon - 6pm) - 31% of flight departures
Evening (6pm - Midnight) - 38% of flight departures

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

Departing from Chicago O'Hare Intl Airport to San Francisco will take you 8h 48m. Airlines will cover a distance of 1851 mi.

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

Currently priced at $91, Frontier will fly you from Chicago O'Hare Intl Airport to San Francisco and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Users have found that Frontier is 77% cheaper than the other options available to this destination.

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to San Francisco?

What are the most reliable airlines from Chicago O'Hare Intl Airport to San Francisco?

Consider Iberia (91%), Aer Lingus (86%) or Fiji Airways (85%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to San Francisco.

What are the cheapest flights from Chicago O'Hare Intl Airport to San Francisco?

Looking at all options, your cheapest flight can be booked for $116. While the most popular route (Chicago O'Hare Intl - San Francisco) can be booked for $90 on average our data indicates $891 when flying from Chicago O'Hare Intl Airport to San Francisco.

What does ORD to SFO mean?

Chicago O'Hare Intl Airport is ORD and San Francisco Airport is SFO. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

Alternative routes for O'Hare Intl to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from O'Hare Intl to San Francisco

The chart below displays the airlines Cheapflights users traveling from O'Hare Intl to San Francisco choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$105Average$269FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$106Average$244FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$129Average$363FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$136Average$338FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapest$175Average$380FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$202Average$386FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Hourly flight availability from O'Hare Intl to San Francisco

See what time of day planes typically take off from O'Hare Intl to San Francisco
8%of flight departuresEarly morningMidnight to 6 am
32%of flight departuresMorning6 am to noon
50%of flight departuresAfternoonNoon to 6 pm
10%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from O'Hare Intl to San Francisco

See how many times per day planes take to the skies headed from O'Hare Intl to San Francisco
Sunday55daily flights
Monday67daily flights
Tuesday59daily flights
Wednesday58daily flights
Thursday58daily flights
Friday61daily flights
Saturday48daily flights
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