$128 Find Cheap Flights from Chicago O'Hare Airport to San Francisco - Compare and Save

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to San Francisco:

• Earliest: departs at 12:01 am and lands at 4:58 am
• Latest: departs at 9:57 pm and lands at 2:54 am.

The flight takes about 4h 57m.

Four cabin classes are available on flights from Chicago O'Hare Intl Airport to San Francisco:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Chicago O'Hare Intl Airport to San Francisco takes 4h 57m, covering 1,841 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Chicago O'Hare Intl Airport to San Francisco range from $302 to $499, with an average of $384 over the past 12 months. Anything below $302 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 56% above the $384 route average. Book 9 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $215 round-trip via Dallas/Fort Worth (DFW), compared to $387 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 757-300 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Airbus A321-100/200 variants.

Morning is the busiest departure period on Chicago O'Hare Intl Airport to San Francisco flights, with 35% of flights leaving in that window. Afternoon departures account for 35%, evening flights for 20%, and night flights for 10%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $252 to $2,208. That means the highest observed fare was about 9x higher than the lowest one.

Two airlines offer in-flight Wi-Fi on Chicago O'Hare Intl Airport to San Francisco flights:

• American Airlines
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Chicago O'Hare Intl Airport to San Francisco are currently lower than usual. Average one-way flight prices are about $155, which is 41% below the typical average for this route.

San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:

• Thrifty
• Europcar
• Dollar
• Hertz
• Fox

Flights from Chicago O'Hare Intl Airport to San Francisco usually depart from Chicago O'Hare Intl (ORD) and arrive at San Francisco (SFO).

Morning flights have the fewest delays on this route, while evening departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago O'Hare Intl Airport to San Francisco route, 26% of flights were delayed in the past 3 months, with delays averaging 2h 53m.

One-stop flights from Chicago O'Hare Intl Airport to San Francisco most commonly connect through:

• San Diego (SAN) - 28% of one-stop connections
• Denver Intl (DEN) - 25% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 12% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 10% of one-stop connections

Yes. Flexible dates can save you up to 33% on flights from Chicago O'Hare Intl Airport to San Francisco. Wednesday is the cheapest departure day at $350 round-trip on average, while Monday is the most expensive at $519, a difference of $169.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Chicago O'Hare Intl Airport and San Francisco. The airlines offering nonstop flights on this route include:

• United Airlines
• American Airlines

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 24m, compared with 7h via Portland (PDX) and 7h 27m via Los Angeles (LAX).

San Francisco is 2 hours behind Chicago O'Hare Intl Airport (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

Among airlines operating Chicago O'Hare Intl Airport to San Francisco flights:

• United Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Yes, there are plenty of high-quality nursing suites at ORD. The nursing suites provide a private, spacious and serene environment for nursing mothers. Also, the nursing rooms are easily accessible and feature excellent equipment such as a sink and a baby changing table. They are located at Terminal 2 of the airport.

O’Hare International Airport (ORD) is one of the busiest airports worldwide and the major airport in Chicago. It features top-notch airline lounges offering comfort to passengers. These lounges include Admirals Club, United Polaris Lounge, United Club, Delta Sky, Air Canada Lounge, Swiss lounge, and many more. Most of these lounges provide excellent services like showers to passengers. The best part is they are easily accessible as they are situated at Terminals 1, 2, and 3.

There are multiple hotels where you can spend the night if you are arriving late at San Francisco Airport, such as The Westin San Francisco Airport Hotel, found 1.2 miles from the airport. The hotel offers superior amenities, including free shuttle transfers, a hot tub, and an indoor pool. You can also opt for SFO Marriott Hotel, Grand Hyatt, and SFO El Rancho Hotel spending on your budget.

SFO offers exceptional services for people with reduced mobility upon request. When flying into SFO, it is recommended that a passenger contacts their airline, informing them of the special assistance they need. This way, you will have assistance, including a wheelchair arranged by your arrival at the airport.