Question 1

How long does a flight from Chicago to San Francisco take?

Accepted Answer

The average direct flight takes 4h 50m, covering a distance of 1,841 miles. Visit our flight page for the latest deals!>/a>

Question 2

How many flights are there between Chicago O'Hare Intl Airport and San Francisco per day?

Accepted Answer

Each day, there are between 9 and 11 direct flights that take off from Chicago O'Hare Intl Airport and land in San Francisco, with an average flight time of 4h 59m. The most common departure time is 07:00 and most flights take off in the morning. Each week, there are 72 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Wednesday. Visit our flight page for the latest deals!>/a>

Question 3

How many flights are there between Chicago O'Hare Intl Airport and San Francisco per day?

Accepted Answer

Each day, there are between 9 and 11 direct flights that take off from Chicago O'Hare Intl Airport and land in San Francisco, with an average flight time of 4h 59m. The most common departure time is 07:00 and most flights take off in the morning. Each week, there are 72 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Wednesday. Visit our flight page for the latest deals!>/a>

Question 4

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

Accepted Answer

In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to San Francisco was £91 for a one-way ticket and £176 for a return. <a href='/flight-routes/Chicago-O-Hare-Intl-ORD/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 5

Which airports will I be using when flying from Chicago to San Francisco?

Accepted Answer

Chicago and San Francisco are both served by 1 main airport. You will leave Chicago from Chicago O'Hare Intl and will be arriving at San Francisco. <a href='/flight-routes/Chicago-O-Hare-Intl-ORD/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 6

What’s the earliest departure time from Chicago to San Francisco?

Accepted Answer

Early birds can take the earliest flight from Chicago O'Hare Intl Airport at 06:17 and will be landing in San Francisco at 09:22.

Question 7

What’s the latest departure time from Chicago to San Francisco?

Accepted Answer

If you prefer to fly at night, the latest flight from Chicago O'Hare Intl Airport to San Francisco jets off at 21:15 and lands at 00:16.

Question 8

Which airlines offer Wi-Fi service onboard planes from Chicago to San Francisco?

Accepted Answer

All the following airlines offer inflight Wi-Fi service on the Chicago to San Francisco flight route: American Airlines, JetBlue, Alaska Airlines, Delta, United Airlines, Air Canada, and Alaska Airlines.

Question 9

Which aircraft models fly most regularly from Chicago to San Francisco?

Accepted Answer

The Airbus A321neo is the aircraft model that flies most regularly on the Chicago to San Francisco flight route.

Question 10

On which days can I fly direct from Chicago to San Francisco?

Accepted Answer

There are direct flights from Chicago to San Francisco on a daily basis.

Question 11

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

Accepted Answer

The cheapest month for flights from Chicago O'Hare Intl Airport to San Francisco is May, where tickets cost £209 (return) on average. On the other hand, the most expensive months are November and January, where the average cost of round-trip tickets is £304 and £281 respectively.

Question 12

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

Accepted Answer

The cheapest month for flights from Chicago O'Hare Intl Airport to San Francisco is May, where tickets cost £209 (return) on average. On the other hand, the most expensive months are November and January, where the average cost of round-trip tickets is £304 and £281 respectively.

Question 13

How does KAYAK find such low prices on flights from Chicago to San Francisco?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to San Francisco. <a href='/flight-routes/Chicago-O-Hare-Intl-ORD/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 14

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to San Francisco?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Chicago is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/Chicago-O-Hare-Intl-ORD/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 15

What is the Hacker Fare option on flights from Chicago to San Francisco?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Francisco with an airline and back to Chicago with another airline. <a href='/flight-routes/Chicago-O-Hare-Intl-ORD/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 16

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to San Francisco?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Chicago-O-Hare-Intl-ORD/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 17

How often are flights from Chicago to San Francisco delayed?

Accepted Answer

Weekly flights between Chicago and San Francisco historically see delays in approximately 20% of cases, with the average delay over the past year being 175 minutes.

Question 18

Which airline has the best punctuality record on Chicago to San Francisco flights?

Accepted Answer

Based on our data, United Airlines have experienced the fewest delays on this route in the past 12 months, with only about 18% of their flights encountering any delays.

Question 19

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Sunday has typically experienced more delays than other days.

Question 20

What is the most punctual flight time for Chicago to San Francisco flights?

Accepted Answer

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

Question 21

Which cabin class options are there for flights between Chicago O'Hare Intl Airport and San Francisco?

Accepted Answer

There are 2 cabin class options for the route. These are First and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 22

Which cabin class options are there for flights between Chicago O'Hare Intl Airport and San Francisco?

Accepted Answer

There are 2 cabin class options for the route. These are First and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 23

Which airlines provide the cheapest flights from Chicago to San Francisco?

Accepted Answer

In the past 3 days, the cheapest return tickets from Chicago to San Francisco were found on Alaska Airlines (£176) and Frontier (£177).

Question 24

Which airlines provide the cheapest flights from Chicago to San Francisco?

Accepted Answer

In the past 3 days, the cheapest return tickets from Chicago to San Francisco were found on Alaska Airlines (£176) and Frontier (£177).

Question 25

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

Accepted Answer

To get a below average price on the flight from Chicago O'Hare Intl Airport to San Francisco, you should book around 4 weeks before departure, which saves you about 50% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Question 26

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

Accepted Answer

To get a below average price on the flight from Chicago O'Hare Intl Airport to San Francisco, you should book around 4 weeks before departure, which saves you about 50% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Question 27

Can I save money by flying with a stopover from Chicago O'Hare Intl Airport to San Francisco?

Accepted Answer

No, with an average price for the route of £220, prices are generally cheapest when you fly direct.

Question 28

Can I save money by flying with a stopover from Chicago O'Hare Intl Airport to San Francisco?

Accepted Answer

No, with an average price for the route of £220, prices are generally cheapest when you fly direct.

Low season	September
High season	March
Cheapest flight	£91

ORD - SFO

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KAYAK's insights & trends for Chicago to San Francisco flights

Get data-powered insights and trends into flights from Chicago to San Francisco to help you find the cheapest flights, the best time to fly and much more.

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

The cheapest month for flights from Chicago O'Hare Intl Airport to San Francisco is May, where tickets cost £209 (return) on average. On the other hand, the most expensive months are November and January, where the average cost of round-trip tickets is £304 and £281 respectively.

Can I save money by flying with a stopover from Chicago O'Hare Intl Airport to San Francisco?

No, with an average price for the route of £220, prices are generally cheapest when you fly direct.

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

To get a below average price on the flight from Chicago O'Hare Intl Airport to San Francisco, you should book around 4 weeks before departure, which saves you about 50% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Which airlines provide the cheapest flights from Chicago to San Francisco?

In the past 3 days, the cheapest return tickets from Chicago to San Francisco were found on Alaska Airlines (£176) and Frontier (£177).

How often are flights from Chicago to San Francisco delayed?

Weekly flights between Chicago and San Francisco historically see delays in approximately 20% of cases, with the average delay over the past year being 175 minutes.

What is the most punctual flight time for Chicago to San Francisco flights?

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

What day of the week experiences the fewest flight delays on this route?

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Sunday has typically experienced more delays than other days.

Which airline has the best punctuality record on Chicago to San Francisco flights?

Based on our data, United Airlines have experienced the fewest delays on this route in the past 12 months, with only about 18% of their flights encountering any delays.

Which cabin class options are there for flights between Chicago O'Hare Intl Airport and San Francisco?

There are 2 cabin class options for the route. These are First and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How many flights are there between Chicago O'Hare Intl Airport and San Francisco per day?

How long does a flight from Chicago to San Francisco take?

The average direct flight takes 4h 50m, covering a distance of 1,841 miles.

What’s the earliest departure time from Chicago to San Francisco?

Early birds can take the earliest flight from Chicago O'Hare Intl Airport at 06:17 and will be landing in San Francisco at 09:22.

What’s the latest departure time from Chicago to San Francisco?

If you prefer to fly at night, the latest flight from Chicago O'Hare Intl Airport to San Francisco jets off at 21:15 and lands at 00:16.

Expert advice for your flight from Chicago to San Francisco

Good to know - Cheap tickets from Chicago to San Francisco

When to book flights from Chicago to San Francisco

FAQs for booking Chicago to San Francisco flights

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

In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to San Francisco was £91 for a one-way ticket and £176 for a return.

Which airports will I be using when flying from Chicago to San Francisco?

Chicago and San Francisco are both served by 1 main airport. You will leave Chicago from Chicago O'Hare Intl and will be arriving at San Francisco.

Which airlines offer Wi-Fi service onboard planes from Chicago to San Francisco?

All the following airlines offer inflight Wi-Fi service on the Chicago to San Francisco flight route: American Airlines, JetBlue, Alaska Airlines, Delta, United Airlines, Air Canada, and Alaska Airlines.

Which aircraft models fly most regularly from Chicago to San Francisco?

The Airbus A321neo is the aircraft model that flies most regularly on the Chicago to San Francisco flight route.

On which days can I fly direct from Chicago to San Francisco?

There are direct flights from Chicago to San Francisco on a daily basis.

How does KAYAK find such low prices on flights from Chicago to San Francisco?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to San Francisco.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to San Francisco?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Chicago is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from Chicago to San Francisco?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Francisco with an airline and back to Chicago with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to San Francisco?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Chicago to San Francisco?

Everything you need to know for your flight from Chicago to San Francisco

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Cabin class types available on flights to San Francisco

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Choose which airport to fly into in Chicago

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