$85 Cheap Flights from San Francisco (SFO) to Chicago (MDW)

View $85 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Chicago Midway Airport (MDW)

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Cheap Flights from San Francisco to Chicago (SFO-MDW)

Prices were available within the past 7 days and start at $85 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, Oct 12 - Mon, Oct 20
SFO
San Francisco
MDW
Chicago
$177 Roundtrip, found 9 hours ago
$177
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sun, Oct 12 from San Francisco to Chicago, returning Mon, Oct 20, priced at $177 found 9 hours ago
Southwest Airlines
Tue, Jan 6 - Sat, Jan 10
SFO
San Francisco
MDW
Chicago
$180 Roundtrip, found 4 days ago
$180
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Jan 6 from San Francisco to Chicago, returning Sat, Jan 10, priced at $180 found 4 days ago
Frontier Airlines
Sun, Oct 12 - Mon, Oct 20
SFO
San Francisco
MDW
Chicago
$180 Roundtrip, found 9 hours ago
$180
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sun, Oct 12 from San Francisco to Chicago, returning Mon, Oct 20, priced at $180 found 9 hours ago
Frontier Airlines
Fri, Oct 3 - Fri, Oct 17
SFO
San Francisco
MDW
Chicago
$183 Roundtrip, found 10 hours ago
$183
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Oct 3 from San Francisco to Chicago, returning Fri, Oct 17, priced at $183 found 10 hours ago
Frontier Airlines
Mon, Nov 3 - Fri, Nov 7
SFO
San Francisco
MDW
Chicago
$185 Roundtrip, found 10 hours ago
$185
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Mon, Nov 3 from San Francisco to Chicago, returning Fri, Nov 7, priced at $185 found 10 hours ago
Frontier Airlines
Mon, Nov 3 - Thu, Nov 13
SFO
San Francisco
MDW
Chicago
$186 Roundtrip, found 2 hours ago
$186
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Nov 3 from San Francisco to Chicago, returning Thu, Nov 13, priced at $186 found 2 hours ago
Southwest Airlines
Thu, Dec 4 - Tue, Dec 9
SFO
San Francisco
MDW
Chicago
$189 Roundtrip, found 3 days ago
$189
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Dec 4 from San Francisco to Chicago, returning Tue, Dec 9, priced at $189 found 3 days ago
Southwest Airlines
Sat, Nov 15 - Wed, Nov 19
SFO
San Francisco
MDW
Chicago
$190 Roundtrip, found 3 days ago
$190
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sat, Nov 15 from San Francisco to Chicago, returning Wed, Nov 19, priced at $190 found 3 days ago
Southwest Airlines
Tue, Oct 7 - Thu, Oct 16
SFO
San Francisco
MDW
Chicago
$195 Roundtrip, found 4 days ago
$195
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Oct 7 from San Francisco to Chicago, returning Thu, Oct 16, priced at $195 found 4 days ago
Delta
Tue, Nov 4 - Wed, Nov 12
SFO
San Francisco
MDW
Chicago
$297 Roundtrip, found 2 hours ago
$297
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Nov 4 from San Francisco to Chicago, returning Wed, Nov 12, priced at $297 found 2 hours ago

Find the cheapest month to fly from San Francisco (SFO) to Chicago (MDW)

October is typically the cheapest month to fly

From $138 - $334 per traveler.

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW) cost?
Secure a cheap one-way flight from $85 or cheap return flight from $177 from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW)?
Flying in October can help you save, as it's the cheapest month for flights between SFO and MDW. You'll typically find the lowest prices during off-peak months.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW)?
When flying out of San Francisco Intl. Airport (SFO), you can jump on a direct flight to Midway Intl. Airport (MDW) with Southwest Airlines.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SFO to MDW flight.
How many flights per day from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW)?
On average, there are 4 nonstop flights departing from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW) each week. If you don't see one that works for your schedule, consider a flight that includes a layover. Filter your search results on Expedia to include one or two stops and opt for the next best option.
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW)?
The 6 AM departures from SFO to MDW are the busiest. They can also be more expensive. If you're hoping to save money, choose a less crowded time to fly.
What day of the week has the most flights from SFO to MDW?
Sunday has the most flights from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW). Consider leaving on this day and you'll have the best chance of finding a schedule that works for you.
What is the earliest flight from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW)?
Hop on the earliest flight at around 6:10AM UTC-8, leaving from San Francisco Intl. Airport (SFO). You'll be in the air for roughly 4h 10m, landing at Midway Intl. Airport (MDW) at approximately 12:20PM UTC-6.
How long does it take to fly from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW)?
Flights from SFO to MDW have an average travel time of 4 hours and 9 minutes. The distance between the two is 1,850 mi.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW)?
To touch down at Midway Intl. Airport (MDW) on schedule, pick a flight that leaves San Francisco Intl. Airport (SFO) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Chicago from San Francisco Intl. Airport (SFO)?
Catch a direct flight from San Francisco Intl. Airport (SFO) to Chicago and arrive at O'Hare Intl. Airport (ORD). Another convenient gateway to the city is Midway Intl. Airport (MDW).
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW) last-minute?
Waiting until just before your trip to book a ticket from SFO to MDW generally means paying more. While you may come across some last-minute offers, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of snagging a bargain.
Is it cheaper to book a SFO to MDW flight and hotel package?
Securing a SFO to MDW flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Midway Intl. Airport (MDW)?
In most instances, you can reschedule or cancel your SFO to MDW flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
San Francisco Intl.
Destination airport
Midway Intl.
Airlines serving
Delta, Frontier Airlines, Southwest Airlines
Roundtrip price
$176
Distance
1851 mi
Average flight time
7 hours 7 mins

Book with confidence

Book with confidence

San Francisco to Chicago Flights

The cheapest times to fly from San Francisco to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Chicago are during the month of October. You can find some of the cheapest flights from San Francisco to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Chicago

Sunday is one of the best days to book for cheap flights from San Francisco to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $85 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Francisco to Chicago Flights

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*Available to One Key members.