Question 1

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

Accepted Answer

Direct flights from San Francisco generally make it to Chicago in 4h 08m. The flying distance between the two cities is 4,767 km. Visit our flight page for the latest deals!>/a>

Question 2

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

Accepted Answer

Each day, there are between 10 and 15 direct flights that take off from San Francisco and land in Chicago O'Hare Intl Airport, with an average flight time of 4h 21m. The most common departure time is 23:00 and most flights take off in the morning. Each week, there are 90 flights. The most frequent day of departure is Thursday, when 17% of all weekly flights depart. The fewest flights depart on a Tuesday. Visit our flight page for the latest deals!>/a>

Question 3

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

Accepted Answer

Each day, there are between 10 and 15 direct flights that take off from San Francisco and land in Chicago O'Hare Intl Airport, with an average flight time of 4h 21m. The most common departure time is 23:00 and most flights take off in the morning. Each week, there are 90 flights. The most frequent day of departure is Thursday, when 17% of all weekly flights depart. The fewest flights depart on a Tuesday. Visit our flight page for the latest deals!>/a>

Question 4

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

Accepted Answer

In the last 3 days, the lowest price for a flight from San Francisco to Chicago O'Hare Intl Airport was $198 for a one-way ticket and $415 for a return. <a href='/flight-routes/San-Francisco-SFO/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 5

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

Accepted Answer

San Francisco airport is called San Francisco and the only airport in Chicago is Chicago O'Hare Intl. <a href='/flight-routes/San-Francisco-SFO/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 6

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

Accepted Answer

Early birds can take the earliest flight from San Francisco at 01:00 and will be landing in Chicago O'Hare Intl Airport at 07:23.

Question 7

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

Accepted Answer

If you prefer to fly at night, the latest flight from San Francisco to Chicago O'Hare Intl Airport jets off at 23:59 and lands at 06:19.

Question 8

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

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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

Question 11

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

Accepted Answer

The cheapest month for flights from San Francisco to Chicago O'Hare Intl Airport is September, where tickets cost $525 (return) on average. On the other hand, the most expensive months are November and December, where the average cost of round-trip tickets is $777 and $772 respectively.

Question 12

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

Accepted Answer

The cheapest month for flights from San Francisco to Chicago O'Hare Intl Airport is September, where tickets cost $525 (return) on average. On the other hand, the most expensive months are November and December, where the average cost of round-trip tickets is $777 and $772 respectively.

Question 13

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

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 San Francisco to Chicago. <a href='/flight-routes/San-Francisco-SFO/Chicago-O-Hare-Intl-ORD'>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 San Francisco to Chicago?

Accepted Answer

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

Question 15

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

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 Chicago with an airline and back to San Francisco with another airline. <a href='/flight-routes/San-Francisco-SFO/Chicago-O-Hare-Intl-ORD'>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 San Francisco to Chicago?

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 Chicago from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/San-Francisco-SFO/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 17

How often are flights from San Francisco to Chicago delayed?

Accepted Answer

Weekly flights between San Francisco and Chicago historically see delays in approximately 10% of cases, with the average delay over the past year being 185 minutes.

Question 18

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

Accepted Answer

Based on our data, American Airlines have experienced the fewest delays on this route in the past 12 months, with only about 10% 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 San Francisco to Chicago 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 San Francisco and Chicago O'Hare Intl Airport?

Accepted Answer

There are 2 cabin class options for the route. These are Business 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 San Francisco and Chicago O'Hare Intl Airport?

Accepted Answer

There are 2 cabin class options for the route. These are Business 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 San Francisco to Chicago?

Accepted Answer

In the past 3 days, the cheapest return tickets from San Francisco to Chicago were found on United Airlines ($415) and Delta ($418).

Question 24

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

Accepted Answer

In the past 3 days, the cheapest return tickets from San Francisco to Chicago were found on United Airlines ($415) and Delta ($418).

Question 25

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

Accepted Answer

To get a below average price on the flight from San Francisco to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure, which saves you about 47% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Question 26

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

Accepted Answer

To get a below average price on the flight from San Francisco to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure, which saves you about 47% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Low season	January
High season	July
Cheapest flight	$198

SFO - ORD

$198 Find Cheap Flights from San Francisco to Chicago

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Everything you should know

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

Recent return flight deals from San Francisco to O'Hare Intl

Recent one-way flight deals from San Francisco to O'Hare Intl

Recent last minute flight deals from San Francisco to O'Hare Intl

Recent direct flight deals from San Francisco to O'Hare Intl

KAYAK's insights & trends for San Francisco to O'Hare Intl flights

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

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

The cheapest month for flights from San Francisco to Chicago O'Hare Intl Airport is September, where tickets cost $525 (return) on average. On the other hand, the most expensive months are November and December, where the average cost of round-trip tickets is $777 and $772 respectively.

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

To get a below average price on the flight from San Francisco to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure, which saves you about 47% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

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

In the past 3 days, the cheapest return tickets from San Francisco to Chicago were found on United Airlines ($415) and Delta ($418).

How often are flights from San Francisco to Chicago delayed?

Weekly flights between San Francisco and Chicago historically see delays in approximately 10% of cases, with the average delay over the past year being 185 minutes.

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

Based on our data, American Airlines have experienced the fewest delays on this route in the past 12 months, with only about 10% of their flights encountering any delays.

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

There are 2 cabin class options for the route. These are Business 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 San Francisco and Chicago O'Hare Intl Airport per day?

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

Direct flights from San Francisco generally make it to Chicago in 4h 08m. The flying distance between the two cities is 4,767 km.

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

Early birds can take the earliest flight from San Francisco at 01:00 and will be landing in Chicago O'Hare Intl Airport at 07:23.

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

If you prefer to fly at night, the latest flight from San Francisco to Chicago O'Hare Intl Airport jets off at 23:59 and lands at 06:19.

Good to know

When to book flights from San Francisco to O'Hare Intl

FAQs for booking San Francisco to Chicago flights

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

In the last 3 days, the lowest price for a flight from San Francisco to Chicago O'Hare Intl Airport was $198 for a one-way ticket and $415 for a return.

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

San Francisco airport is called San Francisco and the only airport in Chicago is Chicago O'Hare Intl.

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

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

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

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

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

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

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

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 San Francisco to Chicago.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from San Francisco 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 San Francisco to Chicago?

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 Chicago with an airline and back to San Francisco with another airline.

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

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 Chicago from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from San Francisco to Chicago O'Hare Intl?

Everything you need to know for your flight from San Francisco to O'Hare Intl

Information on your arrival and departure airports

Cabin class types available on flights to O'Hare Intl

Complete your trip to Chicago with a hotel stay or car hire

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Flights from domestic origins to O'Hare Intl

Choose which airport to fly into in Chicago