Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and San Francisco?

San Diego (SAN) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

How often are flights from Chicago to San Francisco delayed?

Historically, on average around 18% of flights between Chicago and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 169 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to San Francisco?

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 7h 23m.

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to San Francisco?

Flights via Denver (DEN) offer the lowest average round-trip price of $130.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to San Francisco?

Detroit (DTW) has the shortest average layover time for this route: 1h 48m.

What airlines fly to San Francisco?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to San Francisco from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 9 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Chicago O'Hare Intl to San Francisco?

Alaska Airlines, United Airlines, and Frontier are the most popular carriers operating from Chicago O'Hare Intl to San Francisco

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to San Francisco Airport?

As of November 2025, there are 8 operators available to choose from for flights from Chicago O'Hare Intl Airport to San Francisco Airport.

How old do you have to be to fly from Chicago O'Hare Intl Airport to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$129 Cheap Flights from Chicago O'Hare Intl Airport to San Francisco in 2025/26

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6:00 am - 7:23 pmORD-SFO

15h 23m1 stop

6:00 am - 11:42 amSFO-ORD

27h 42m1 stop

$249Frontier

Find Deal

Wed, Nov 26 - Sun, Dec 7

8:59 pm - 8:06 amORD-SFO

13h 07m1 stop

2:25 pm - 11:50 pmSFO-ORD

7h 25m1 stop

$250Alaska Airlines

Find Deal

Tue, Dec 2 - Wed, Jan 7

7:00 am - 12:24 amORD-SFO

19h 24m1 stop

4:13 pm - 9:37 pmSFO-ORD

27h 24m1 stop

$251Frontier

Find Deal

Fri, Dec 19 - Sat, Jan 10

7:00 am - 8:08 amORD-SFO

27h 08m1 stop

2:54 pm - 12:10 amSFO-ORD

7h 16m1 stop

$252Frontier

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Tue, Nov 25 - Fri, Nov 28

6:00 am - 7:23 pmORD-SFO

15h 23m1 stop

10:17 pm - 3:12 pmSFO-ORD

14h 55m1 stop

$253Frontier

Find Deal

Tue, Nov 25 - Mon, Dec 1

6:00 am - 7:23 pmORD-SFO

15h 23m1 stop

8:53 pm - 5:32 amSFO-ORD

30h 39m2 stops

$254Multiple Airlines

Find Deal

Thu, Nov 27 - Mon, Dec 1

6:45 pm - 8:08 amORD-SFO

15h 23m2 stops

6:00 am - 5:32 amSFO-ORD

21h 32m1 stop

$255Multiple Airlines

Find Deal

Thu, Nov 27 - Tue, Dec 2

7:57 pm - 7:11 amORD-SFO

37h 14m2 stops

10:17 pm - 12:08 amSFO-ORD

23h 51m1 stop

$256Frontier

Find Deal

Sun, Nov 23 - Wed, Nov 26

5:15 am - 10:47 amORD-SFO

31h 32m1 stop

6:24 am - 4:42 pmSFO-ORD

32h 18m2 stops

$257Frontier

Find Deal

Sat, Dec 20 - Thu, Jan 1

8:00 am - 3:46 pmORD-SFO

9h 46m1 stop

7:20 pm - 5:02 amSFO-ORD

7h 42m1 stop

$258Alaska Airlines

Find Deal

Thu, Dec 4 - Tue, Jan 6

Alaska Airlines flights from Chicago O'Hare Intl Airport to San Francisco

Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to San Francisco flight tickets

Alaska Airlines

Dec 2

ORD8:59 pmChicago O'Hare Intl

13h 07m

1 stop

SFO8:06 amSan Francisco

Jan 7

SFO2:25 pmSan Francisco

7h 25m

1 stop

ORD11:50 pmChicago O'Hare Intl

$250

Find similar

Alaska Airlines

Dec 4

ORD8:00 amChicago O'Hare Intl

9h 46m

1 stop

SFO3:46 pmSan Francisco

Jan 6

SFO7:20 pmSan Francisco

7h 42m

1 stop

ORD5:02 amChicago O'Hare Intl

$258

Find similar

Alaska Airlines

Dec 8

ORD8:00 amChicago O'Hare Intl

17h 59m

1 stop

SFO11:59 pmSan Francisco

Dec 10

SFO7:00 amSan Francisco

14h 50m

1 stop

ORD11:50 pmChicago O'Hare Intl

$262

Find similar

Frontier flights from Chicago O'Hare Intl Airport to San Francisco

Our best Frontier deals on Chicago O'Hare Intl Airport to San Francisco flight tickets

Frontier

Nov 26

ORD6:00 amChicago O'Hare Intl

15h 23m

1 stop

SFO7:23 pmSan Francisco

Dec 7

SFO6:00 amSan Francisco

27h 42m

1 stop

ORD11:42 amChicago O'Hare Intl

$249

Find similar

Frontier

Dec 19

ORD7:00 amChicago O'Hare Intl

19h 24m

1 stop

SFO12:24 amSan Francisco

Jan 10

SFO4:13 pmSan Francisco

27h 24m

1 stop

ORD9:37 pmChicago O'Hare Intl

$251

Find similar

Frontier

Nov 21

ORD6:00 amChicago O'Hare Intl

15h 23m

1 stop

SFO7:23 pmSan Francisco

Nov 25

SFO6:00 amSan Francisco

11h 39m

1 stop

ORD7:39 pmChicago O'Hare Intl

$252

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Francisco that are best for you.

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Route

Depart

Return

Price

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 11/26

6:00 am-7:23 pm

1 stop15h 23m

San Francisco

Sun 12/7

6:00 am-11:42 am

1 stop27h 42m

$249

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 12/2

8:59 pm-8:06 am

1 stop13h 07m

San Francisco

Wed 1/7

2:25 pm-11:50 pm

1 stop7h 25m

$250

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 12/19

7:00 am-12:24 am

1 stop19h 24m

San Francisco

Sat 1/10

4:13 pm-9:37 pm

1 stop27h 24m

$251

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 11/25

7:00 am-8:08 am

1 stop27h 08m

San Francisco

Fri 11/28

2:54 pm-12:10 am

1 stop7h 16m

$252

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 11/25

6:00 am-7:23 pm

1 stop15h 23m

San Francisco

Mon 12/1

10:17 pm-3:12 pm

1 stop14h 55m

$253

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 11/27

6:00 am-7:23 pm

1 stop15h 23m

San Francisco

Mon 12/1

8:53 pm-5:32 am

2 stops30h 39m

$254

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 11/27

6:45 pm-8:08 am

2 stops15h 23m

San Francisco

Tue 12/2

6:00 am-5:32 am

1 stop21h 32m

$255

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sun 11/23

7:57 pm-7:11 am

2 stops37h 14m

San Francisco

Wed 11/26

10:17 pm-12:08 am

1 stop23h 51m

$256

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 12/20

5:15 am-10:47 am

1 stop31h 32m

San Francisco

Thu 1/1

6:24 am-4:42 pm

2 stops32h 18m

$257

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 12/4

8:00 am-3:46 pm

1 stop9h 46m

San Francisco

Tue 1/6

7:20 pm-5:02 am

1 stop7h 42m

$258

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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $288.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Chicago O'Hare Intl Airport to San Francisco is on a Thursday when prices can be found for as low as $353. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $539.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Chicago O'Hare Intl Airport to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $373. Flights in the afternoon are often more expensive with an average ticket price of $487.

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

Fly from Chicago O'Hare Intl to San Francisco for the best Chicago O'Hare Intl - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $324 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Chicago O'Hare Intl Airport for as low as $274 on momondo.

What cabin class options are available on Chicago O'Hare Intl to San Francisco flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to San Francisco flights?

You could potentially save up to 6% on your flight if you consider stops on a Chicago O'Hare Intl Airport to San Francisco flight.

How have Chicago O'Hare Intl Airport to San Francisco flight prices changed over time?

As of November 2025, prices for Chicago O'Hare Intl Airport to San Francisco flights are approximately 7% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to San Francisco (ORD to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to San Francisco

Best Price Found	$196
Fastest flight time	4h 45m
Direct flights	Every day
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Chicago O'Hare Intl Airport in the past 72 hours is $196. The best round-trip flight deal from Chicago O'Hare Intl Airport to San Francisco found on momondo in the last 72 hours is $376.

The fastest flight from Chicago O'Hare Intl Airport to San Francisco takes 4h 45m

Direct flights go from Chicago O'Hare Intl Airport to San Francisco every day.

There is 1 airport near San Francisco: San Francisco (SFO)

Search flight deals

How far is Chicago O'Hare Intl to San Francisco by plane?
The distance between Chicago O'Hare Intl and San Francisco is about 1838.3 mi. Typically, this will take 4h 45m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to San Francisco Airport?
Prices for flights from Chicago O'Hare Intl Airport to San Francisco Airport refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to San Francisco Airport?
As of November 2025, there are 8 operators available to choose from for flights from Chicago O'Hare Intl Airport to San Francisco Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to San Francisco?
momondo data reveals that the most frequently booked plane model on the route from Chicago O'Hare Intl Airport to San Francisco is Boeing 757-300, representing 21.18% of all bookings. The subsequent popular models are Airbus A321neo at 21.15%, Boeing 737-800 at 18.95%, and Boeing 737 MAX 9 at 8.05%.
What is the most popular airline from Chicago O'Hare Intl Airport to San Francisco?
momondo data reveals that the most frequently booked airline on the route from Chicago O'Hare Intl Airport to San Francisco is United Airlines, representing 46% of all bookings. The subsequent popular airlines are American Airlines at 41%, Alaska Airlines at 6%, and Frontier at 5%.

Best airlines flying from Chicago O'Hare Intl Airport to San Francisco

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Hawaiian Airlines	PriceFrom $108	Free Cancellation	Rating 7.8 2,809 reviews	Search Hawaiian Airlines flights
Sun Country Air	PriceFrom $112	Free Cancellation	Rating 6.9 336 reviews	Search Sun Country Air flights
Frontier	PriceFrom $124	Free Cancellation	Rating 5.8 3,111 reviews	Search Frontier flights
Delta	PriceFrom $128	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Southwest	PriceFrom $138	Free Cancellation	Rating 7.9 4,238 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $192	Free Cancellation	Rating 8.0 11,282 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $197	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
United Airlines	PriceFrom $203	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights

Southwest Flights From Chicago O'Hare Intl Airport to San Francisco
Southwest flies from Chicago O'Hare Intl Airport to San Francisco around 3 times per week, with 4,238 momondo users rating the airline 7.9/10. The cheapest Southwest deal from Chicago O'Hare Intl Airport to San Francisco in the last 72 hours was $138 (round-trip), much lower than the average airfare cost of $332 for Southwest flights on this route.
United Airlines Flights From Chicago O'Hare Intl Airport to San Francisco
United Airlines is also a popular choice for this route. United Airlines flight deals for Chicago O'Hare Intl Airport to San Francisco start from as low as $203 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $373. United Airlines operates 44 flights to San Francisco from Chicago O'Hare Intl Airport in an average week. Users have rated it 7.4/10 across 9,017 reviews.

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Why use momondo?

Why should I use momondo to find a flight deal from Chicago to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Chicago.

Can I find flights from Chicago to San Francisco with flexible booking policies on momondo?

Flights from Chicago to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to San Francisco?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to San Francisco.

I’m not ready to book a flight from Chicago to San Francisco right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Chicago O'Hare Intl Airport to San Francisco from $129

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Alaska Airlines flights from Chicago O'Hare Intl Airport to San Francisco

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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $288.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Chicago O'Hare Intl Airport to San Francisco is on a Thursday when prices can be found for as low as $353. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $539.

What is the cheapest time of day to depart on your flight to San Francisco?

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

Fly from Chicago O'Hare Intl to San Francisco for the best Chicago O'Hare Intl - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

What cabin class options are available on Chicago O'Hare Intl to San Francisco flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to San Francisco flights?

You could potentially save up to 6% on your flight if you consider stops on a Chicago O'Hare Intl Airport to San Francisco flight.

How have Chicago O'Hare Intl Airport to San Francisco flight prices changed over time?

As of November 2025, prices for Chicago O'Hare Intl Airport to San Francisco flights are approximately 7% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Chicago O'Hare Intl to San Francisco?

Alaska Airlines, United Airlines, and Frontier are the most popular carriers operating from Chicago O'Hare Intl to San Francisco

What airlines fly to San Francisco?

How often are flights from Chicago to San Francisco delayed?

Historically, on average around 18% of flights between Chicago and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 169 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and San Francisco?

San Diego (SAN) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to San Francisco?

Flights via Denver (DEN) offer the lowest average round-trip price of $130.

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to San Francisco?

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 7h 23m.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to San Francisco?

Detroit (DTW) has the shortest average layover time for this route: 1h 48m.

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

As of November 2025, 53 flights take off from Chicago O'Hare Intl Airport and land in San Francisco each day. The most common flight departure time for this route is 5:00PM, with 52% of daily flights taking off in the afternoon.

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

375 flights are operational weekly from Chicago O'Hare Intl Airport to San Francisco as of November 2025. The most popular departure day for this route is Thu, with 18% of flights per week taking off on this day.

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

Cheap Chicago O'Hare Intl Airport to San Francisco (ORD to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to San Francisco

Best Price Found

Fastest flight time

Direct flights

Airports in San Francisco

How far is Chicago O'Hare Intl to San Francisco by plane?

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to San Francisco Airport?

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to San Francisco Airport?

How old do you have to be to fly from Chicago O'Hare Intl Airport to San Francisco Airport?

What documentation or ID do you need to fly to San Francisco Airport?

What is the most popular plane model from Chicago O'Hare Intl Airport to San Francisco?

What is the most popular airline from Chicago O'Hare Intl Airport to San Francisco?

Best airlines flying from Chicago O'Hare Intl Airport to San Francisco

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to San Francisco with momondo

Southwest Flights From Chicago O'Hare Intl Airport to San Francisco

United Airlines Flights From Chicago O'Hare Intl Airport to San Francisco

Traveling to a place near San Francisco?

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