Cheap flights from San Francisco to Chicago from $74
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Chicago departing on 10/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Hawaiian Airlines flights from San Francisco to Chicago O'Hare Intl Airport
Our best Hawaiian Airlines deals on San Francisco to Chicago O'Hare Intl Airport flight tickets
American Airlines flights from San Francisco to Chicago O'Hare Intl Airport
Our best American Airlines deals on San Francisco to Chicago O'Hare Intl Airport flight tickets
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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 April is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from San Francisco averaging around $307.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $414. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $527.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from San Francisco in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $416 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $494. Of course, these prices can vary depending on the time of year and what airport you fly to.
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 $371 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 $293 on momondo.
What cabin class options are available on San Francisco to Chicago O'Hare Intl flights?
There are 4 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.
What is the cheapest airline that flies from San Francisco to Chicago O'Hare Intl?
Frontier, United Airlines, and American Airlines are the most popular carriers operating from San Francisco to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from San Francisco according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 8 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Francisco to Chicago O'Hare Intl Airport on average per day?
The number of flights available between San Francisco and Chicago O'Hare Intl Airport is 77 per day as of June 2025. The most frequent departure time is 10:00AM, with 45% of daily flights leaving at noon.
How many flights depart from San Francisco to Chicago O'Hare Intl Airport on average per week?
As of June 2025, there are 543 flights per week flying from San Francisco to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Mon, with 17% of flights 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?
There are 1838.3 mi between San Francisco and Chicago O'Hare Intl. Typically, this will take 4h 09m 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 were last updated today.
How many operators does momondo search for flights from San Francisco Airport to Chicago O'Hare Intl Airport?
There are 8 operators available for flights from San Francisco Airport to Chicago O'Hare Intl Airport as of June 2025.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Francisco to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from San Francisco to Chicago O'Hare Intl Airport is Airbus A321neo, representing 15.24% of all bookings. The subsequent popular models are Boeing 737-800 at 14.27%, Boeing 777 at 13.96%, and Boeing 757-300 at 11.91%.
What is the most popular airline 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 airline is United Airlines, making up 51% of the total bookings. Other popular airlines include American Airlines with 32%, Alaska Airlines with 11%, and Frontier with 4%.
Best airlines flying from San Francisco to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from San Francisco to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $108 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $126 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $143 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $168 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $202 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $242 | Free Cancellation | Rating 8.0 4,287 reviews |
Alaska Airlines Flights From San Francisco to Chicago O'Hare Intl Airport
Alaska Airlines flight deals from San Francisco to Chicago O'Hare Intl Airport start from $168 round-trip. Over the 7 Alaska Airlines flights for this route in a normal week, average airfare is usually $339 round-trip - but some users have found much cheaper deals with momondo.
Hawaiian Airlines Flights From San Francisco to Chicago O'Hare Intl Airport
Hawaiian Airlines is also a popular choice for this route. Hawaiian Airlines flight deals for San Francisco to Chicago O'Hare Intl Airport start from as low as $108 round-trip, depending on your selected dates, with average Hawaiian Airlines deals seen on momondo around $288. Hawaiian Airlines operates 7 flights to Chicago O'Hare Intl Airport from San Francisco in an average week. Users have rated it 7.8/10 across 2,494 reviews.
Traveling 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?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Chicago. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from San Francisco to Chicago with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for San Francisco to Chicago flights to just show those with flexible booking policies.
How can momondo help me find flights from San Francisco to Chicago?
Once you have performed a search for San Francisco to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from San Francisco to Chicago right now. Can momondo alert me if prices change?
If you are not ready to book a flight from San Francisco to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.