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Not ready to book? to track prices.Find the cheapest flights from San Francisco to Chicago
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Southwest flights from San Francisco to Chicago O'Hare Intl Airport
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Delta flights from San Francisco to Chicago O'Hare Intl Airport
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How to get the cheapest flight ticket from San Francisco to Chicago O'Hare Intl Airport
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 Chicago O'Hare Intl Airport?
The month of January is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from San Francisco, with most prices found around $467. If you are unable to visit Chicago O'Hare Intl Airport during the month of January, then departing from San Francisco during the month April is also very affordable. Most momondo users find prices during this month for around $471.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart from San Francisco to Chicago O'Hare Intl Airport is on a Wednesday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Wednesday will often find tickets for as low as $356. The most expensive day to fly to Chicago O'Hare Intl Airport is Thursday, with ticket prices averaging around $620.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Our data shows that the cheapest San Francisco to Chicago O'Hare Intl Airport flights are usually those with departure times in the evening. Our users have found flights to Chicago O'Hare Intl Airport in the evening for as low as $566. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the morning when prices are around $620.
What is the cheapest San Francisco to Chicago O'Hare Intl flight route?
Fly from San Francisco to Chicago O'Hare Intl for the best San Francisco - Chicago O'Hare Intl flight prices
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from San Francisco when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $569 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from San Francisco for as low as $450 on momondo.
What cabin class options are available on San Francisco to Chicago O'Hare Intl flights?
There are 3 cabin classes available to choose from on San Francisco to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from San Francisco to Chicago O'Hare Intl Airport on average per day?
As of June 2025, 77 flights take off from San Francisco and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 10:00, with 45% of daily flights taking off at midday.
How many flights depart from San Francisco to Chicago O'Hare Intl Airport on average per week?
543 flights are operational weekly from San Francisco to Chicago O'Hare Intl Airport as of June 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.
When to book flights from San Francisco to Chicago O'Hare Intl Airport
Cheap San Francisco to Chicago O'Hare Intl Airport (SFO to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Chicago O'Hare Intl Airport
How far is San Francisco to Chicago O'Hare Intl by plane?
The distance between San Francisco and Chicago O'Hare Intl is about 2958.4 km. Typically, this will take 4h 14m by plane in normal conditions.
When did momondo last update prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport?
Prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport are updated daily.
How old do you have to be to fly from San Francisco Airport to Chicago O'Hare Intl 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between San Francisco and Chicago O'Hare Intl Airport, the leading plane model is Airbus A321neo, making up 15.24% of the total bookings. Other popular models include Boeing 737-800 with 14.27%, Boeing 777 with 13.96%, and Boeing 757-300 with 11.91%.
Travelling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Francisco to Chicago?
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 Chicago from San Francisco.
Can I find flights from San Francisco to Chicago with flexible booking policies on momondo?
momondo does allow users to show only those flights to Chicago from San Francisco which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from San Francisco to Chicago?
Once all potential San Francisco to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from San Francisco to Chicago right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Francisco to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.