Question 1

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to San Francisco round-trip?

Accepted Answer

According to our current data, Alaska Airlines (C$ 297), Southwest (C$ 309), and Hawaiian Airlines (C$ 325) offers the cheapest pricing from Chicago O'Hare Intl Airport to San Francisco. These flights start at 37% lower than the current average price 3 months from now.

Question 2

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

Accepted Answer

For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as C$ 142. Users have also found prices from C$ 155 and C$ 170 on Southwest and United Airlines, respectively.

Question 3

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

Accepted Answer

The best time to book flights from Chicago O'Hare Intl Airport to San Francisco is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 4

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of C$ 276). Flying from Chicago O'Hare Intl Airport to San Francisco in June is currently the most expensive (average of C$ 379). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 5

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

Accepted Answer

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to San Francisco flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

Weekly flight availability from Chicago O'Hare Intl Airport to San Francisco

Accepted Answer

The most flights from ORD to SFO are scheduled on a Friday (70 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (49 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Question 9

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

Accepted Answer

The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to San Francisco are ANA (92%), Air China (92%) and British Airways (88%).

Question 10

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

Accepted Answer

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 383% on the overall cost on flights from Chicago O'Hare Intl Airport to San Francisco.

Question 11

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

Accepted Answer

To save up to 95% on this flight, we recommend booking at least 49 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago O'Hare Intl Airport to San Francisco from C$ 460 1-2 weeks out and tickets from C$ 686 for flights departing within the next 72 hours.

Question 12

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

Accepted Answer

The best pricing can be found in the month of September. Prices to San Francisco from Chicago O'Hare Intl Airport average C$ 453. You can even find prices in September for less than C$ 453, as users have found deals to San Francisco from as low as C$ 170. The month of December appears to be one of the more expensive times to travel to San Francisco from Chicago O'Hare Intl Airport. Flying in the targeted month can save you up to 18%.

Question 13

What is the cheapest time of day to fly from ORD to SFO?

Accepted Answer

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to San Francisco is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 70% on airfare.

Question 14

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

Accepted Answer

If you book a flight to San Francisco from Chicago O'Hare Intl, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 19.0 km from the centre of San Francisco. There are 59 flights from Chicago O'Hare Intl to San Francisco per day from 2 different airlines.

Question 15

Can I find deals for flights from O'Hare Intl to San Francisco that include hotel bookings?

Accepted Answer

Yes. In addition to deals on O'Hare Intl to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 16

How can I find direct flights from O'Hare Intl to San Francisco?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to San Francisco.

Question 17

Can I find deals for business class flights from O'Hare Intl to San Francisco?

Accepted Answer

Yes. Cheapflights offers flight deals from O'Hare Intl to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 18

How does Cheapflights help users find flights from O'Hare Intl to San Francisco?

Accepted Answer

When you search for this flight from O'Hare Intl to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 19

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to San Francisco?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from O'Hare Intl to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 20

Can Cheapflights find flights from O'Hare Intl to San Francisco with no change fees?

Accepted Answer

Certainly. Search results for flights to San Francisco from O'Hare Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 21

Can Cheapflights notify me if prices for flights from O'Hare Intl to San Francisco become cheaper?

Accepted Answer

Of course! You can now track prices for flights from O'Hare Intl to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	C$ 297
One-way from	C$ 142
Popular in	March
Cheapest in	September
Average price	C$ 569

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	CheapestC$ 211	AverageC$ 295	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Frontier	CheapestC$ 255	AverageC$ 372	FlexibilityNo cancel fee	On-time62%	Search Frontier flights

Cheap flights from Chicago O'Hare Intl Airport to San Francisco from C$ 142

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Chicago O'Hare Intl to San Francisco are usually found in September or February, booked 50 days in advance, depart on a Tuesday or Thursday and return on a Friday

Cheap flight deals from O'Hare Intl to San Francisco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from O'Hare Intl to San Francisco

Cheapest flights from O'Hare Intl to San FranciscoExplore the most affordable flight options available from O'Hare Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Explore the most affordable flight options available from O'Hare Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Cheapflights 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.

Best time to book a flight from O'Hare Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from O'Hare Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to San Francisco

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to San Francisco. Price data was last updated on 21 March 2025.

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

What is the cheapest time of day to fly from ORD to SFO?

Find hourly flight availability from O'Hare Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

Weekly flight availability from Chicago O'Hare Intl Airport to San Francisco

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

Reviews of airlines servicing San Francisco

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to San Francisco round-trip?

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

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

Can I find deals for flights from O'Hare Intl to San Francisco that include hotel bookings?

How can I find direct flights from O'Hare Intl to San Francisco?

Can I find deals for business class flights from O'Hare Intl to San Francisco?

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

Travelling to a place near Chicago O'Hare Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 2 airlines flying from O'Hare Intl to San Francisco

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from O'Hare Intl to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to San Francisco?

Can Cheapflights find flights from O'Hare Intl to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from O'Hare Intl to San Francisco become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from O'Hare Intl to San Francisco
Explore the most affordable flight options available from O'Hare Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.