Whether you're traveling for business or pleasure, solo, or with the whole family, you'll enjoy the flexibility of flying Southwest®.
Find your next flight from Chicago (Midway) to San Francisco (SFO) now!
Looking for low fares? Check out this upcoming flight:
Chicago (Midway), IL to San Francisco (SFO), CA
*Restrictions and exclusions apply. Seats and dates are limited. Select markets. 16 travel days available. Fares are updated hourly. Fares displayed on external channels may no longer be available at time of booking. To find the most updated fare, please visit Southwest.com.
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Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.
Find low faresTravel tips for your next Southwest flight
How to board the plane earlier:
Southwest seats are first come, first served based on check-in order. But there are ways to board the plane earlier!
- Purchase EarlyBird Check-In®1 for automatic check-in and a better boarding position.
Enjoy movies, sips, and snacks during your flight.
Take advantage of inflight entertainment with free movies4, free live TV5, free texting6, and $8 inflight Internet7.
We also offer free sodas, coffee, and snacks8—learn more about the inflight food and beverage experience.
Take advantage of free same-day standby9.
Have a change of travel plans? We offer free same-day standby for all fare types. This means that you can retain your current flight while listing for standby on an earlier flight. If a seat becomes available, it’s yours at no charge!
Make the most of our Rapid Rewards® Program.
Rapid Rewards Members can redeem their points for flights, hotel stays, rental cars, gift cards, and more. And your points never expire!
| Fare | Fly one-way from $108 (departing on 11/4)* |
|---|---|
| Departing from | Chicago Midway International Airport (MDW) |
| Arriving at | San Francisco International Airport (SFO) |
| Average flight time | 4 hours 31 minutes |
| Distance | 1855 miles |
| 150† | Weekly flights |
|---|---|
| 1‡ | Nonstop flight per day Monday through Friday |
| 1 ‡ | Nonstop flight on Saturday |
| 1 ‡ | Nonstop flight on Sunday |
Other popular flights from Chicago (Midway):
†Weekly flights based on DOT published scheduled average flights Monday through Sunday between 6/1/2025 and 6/30/2025. Note: route may not operate every day of the week.
‡Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 6/1/2025 and 6/30/2025.
Explore San Francisco.
Explore one of the United States' most beautiful cities—San Francisco! From the San Francisco Bay Area's beautiful wine country to its sandy beaches, there is plenty to do on foot and in the water to make your trip one to remember. For fun outdoor activities to enjoy with your friends or the whole family, make sure to check out Fisherman's Wharf, the premiere San Francisco location for great seafood and beautiful views of the ocean. Go to the beach, have some delicious clam chowder, and shop some of San Francisco's best souvenir shops. You'll enjoy the great energy and the natural beauty of this bustling attraction.
If you enjoy learning about U.S. history, San Francisco is a perfect city for you to visit. Rich with historical sites like the infamous Alcatraz Island, you'll get to enjoy taking a ferry ride to one of the West Coast's first lighthouses and forts. Of course, you might be more familiar with Alcatraz for the famous criminals it housed, such as Al Capone. Learn about the federal penitentiary's history and explore the island's wildlife. There is plenty of lush greenery to observe both on and off the island when you visit.
Nostalgic fans from all over the world come to visit the home from a popular San Francisco-set sitcom for a walk down memory lane. While on a stroll around the San Francisco neighborhoods, you'll also have the opportunity to see other beautiful Victorian and Edwardian houses—known locally as the Painted Ladies. On your explorations of the city, you'll also want to check out places like Chinatown for delicious food, ornate temples, and beautiful landmarks.
Questions we hear the most
The average flight time from Chicago (Midway) to San Francisco (SFO) is 4 hours 31 minutes.
There are 150 weekly flights from Chicago (Midway) to San Francisco (SFO) on Southwest Airlines.
Yes, Southwest flies nonstop from Chicago (Midway) to San Francisco (SFO) once per day from Monday through Friday.
Yes, Southwest flies nonstop from Chicago (Midway) to San Francisco (SFO) once per day on Saturdays and Sundays.
To find the lowest fares by day and time to fly Chicago (Midway) to San Francisco (SFO) with Southwest, check out our Low Fare Calendar.
You can rent a car at San Francisco International Airport—book yours with your flight.
Yes! Flights from Chicago (Midway) to San Francisco (SFO)—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Visit the Southwest Airlines® Help Center for helpful information and answers to frequently asked questions.
1EarlyBird Check-In® pricing starts at $15 one-way, and is subject to availability. Pricing may vary based on the popularity and length of each (one-way) flight. Please see optional travel charges for more details.
2Upgraded boarding prices and benefits are per eligible segment. Flights must be within 24 hours of departure to be eligible for upgraded boarding.
4Where available. Available only on WiFi-enabled aircraft. Limited-time offer.
5Due to licensing restrictions, on WiFi-enabled international flights, free live TV and iHeartRadio may not be available for the full duration of flight.
6Texting only allows access to iMessage and WhatsApp (which must be downloaded and activated before connecting to SouthwestWiFi).
7Internet access for $8 per device from takeoff to landing. Price is subject to change. May not be available for the full duration of flight. In order to provide a top-notch Internet experience, we prohibit access to certain high-bandwidth applications and websites. We also prohibit access to certain obscene or offensive content.
8Flights traveling 175 miles or less will have only water available. Complimentary snacks are served on flights over 175 miles. If you’re flying between Hawaii and the continental U.S., you’ll have even more snacks to choose from.
9Free same-day standby: You can list for same-day standby for an earlier flight via a Southwest Customer Service Agent at the airport or the Southwest app or mobile web. You must request to be added to the same-day standby list at least 10 minutes prior to the scheduled departure of your original flight or the no-show policy will apply. If using the app or mobile web, you must list your name 30 minutes ahead of scheduled departure. You will receive a message based on the contact preference selected during booking if you are cleared on the flight. Group bookings and Unaccompanied Minors are not eligible for same-day standby. You will be required to pay any government taxes and fees associated with these itinerary changes but refunds will be provided. Your original boarding position is not guaranteed on your standby flight. Southwest Business Customers booked through travel agencies may need to see a Southwest agent at the airport for a standby listing. See Southwest.com/standby for more details.