Cheap flights from Chicago O'Hare Intl Airport to San Francisco
Cheapflights Tip: The best prices from Chicago O'Hare Intl to San Francisco are usually found in September or February, booked 89 days in advance, depart on a Friday or Thursday and return on a Friday
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 return flight from O'Hare Intl to San Francisco. Price data was last updated on 25 April 2025.
The price you pay for your flight from Chicago O'Hare Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of £538). Flying from Chicago O'Hare Intl Airport to San Francisco in July is currently the most expensive (average of £803). 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.
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 30 April 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 52% on flights from Chicago O'Hare Intl Airport to San Francisco by exploring options for tickets at midday.
Weekly flight availability from Chicago O'Hare Intl Airport to San Francisco
Explore weekly flight availability from O'Hare Intl to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 April 2025.
The most flights from ORD to SFO are scheduled on a Tuesday (70 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).
Rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches 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.
Temperature in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature totals by month.
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).
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 30 April 2025.
To help decide which airline to fly from Chicago to San Francisco, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
James,Apr 2025
LAX - SFO
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
James,Apr 2025
LAX - SFO
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
James,Apr 2025
LAX - SFO
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
James,Apr 2025
LAX - SFO
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
James,Apr 2025
LAX - SFO
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
James,Apr 2025
LAX - SFO
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.
Travelling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBrowse 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 airline flying from O'Hare Intl to San Francisco
Discover the top airline that operate flights from O'Hare Intl to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 April 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers 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?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco from O'Hare Intl today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to San Francisco?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from O'Hare Intl to San Francisco for you. Better yet — we are completely free to use.
Can Cheapflights find flights from O'Hare Intl to San Francisco with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from O'Hare Intl to San Francisco, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from O'Hare Intl to San Francisco become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from O'Hare Intl today and book when prices fit your budget.