Cheap flights from Chicago O'Hare Intl Airport to San Francisco from $80
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to San Francisco departing on 5/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Chicago O'Hare Intl Airport to San Francisco
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Hawaiian Airlines flights from Chicago O'Hare Intl Airport to San Francisco
Our best Hawaiian Airlines deals on Chicago O'Hare Intl Airport to San Francisco flight tickets
Delta flights from Chicago O'Hare Intl Airport to San Francisco
Our best Delta deals on Chicago O'Hare Intl Airport to San Francisco flight tickets
See travel insights to San Francisco from
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 September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $297.
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 Wednesday when prices can be found for as low as $371. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $554.
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 $400. Flights at noon are often more expensive with an average ticket price of $442.
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 20 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $324 when searching 20 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 $271 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.
What is the cheapest airline that flies from Chicago O'Hare Intl to San Francisco?
Alaska Airlines, Frontier, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to San Francisco
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 52% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 8 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago O'Hare Intl Airport to San Francisco on average per day?
As of April 2025, 58 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 8:00PM, with 34% 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?
407 flights are operational weekly from Chicago O'Hare Intl Airport to San Francisco as of April 2025. The most popular departure day for this route is Thu, with 19% 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 | $80 |
|---|---|
Fastest flight time | 4h 33m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
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 33m 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 April 2025, there are 6 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 Airbus A321neo, representing 16.26% of all bookings. The subsequent popular models are Boeing 757-300 at 16.03%, Boeing 737-800 at 14.57%, and Boeing 777 at 14.21%.
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 50% of all bookings. The subsequent popular airlines are American Airlines at 30%, Alaska Airlines at 13%, 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 | ||
|---|---|---|---|---|---|
| PriceFrom $108 | Free Cancellation | Rating 7.9 2,393 reviews | |||
| PriceFrom $124 | Free Cancellation | Rating 5.9 3,283 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 8.0 7,919 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 8.0 9,927 reviews | |||
| PriceFrom $197 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.4 8,685 reviews |
Alaska Airlines Flights From Chicago O'Hare Intl Airport to San Francisco
Alaska Airlines flies from Chicago O'Hare Intl Airport to San Francisco around 3 times per week, with 9,928 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Chicago O'Hare Intl Airport to San Francisco in the last 72 hours was $157 (round-trip), much lower than the average airfare cost of $285 for Alaska Airlines flights on this route.
Hawaiian Airlines Flights From Chicago O'Hare Intl Airport to San Francisco
Hawaiian Airlines is also a popular choice for this route. Hawaiian Airlines flight deals for Chicago O'Hare Intl Airport to San Francisco start from as low as $108 round-trip, depending on your selected dates, with average Hawaiian Airlines deals seen on momondo around $268. Hawaiian Airlines operates 6 flights to San Francisco from Chicago O'Hare Intl Airport in an average week. Users have rated it 7.9/10 across 2,393 reviews.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy 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.