Cheap Flights from San Francisco International to Chicago

Compare San Francisco International to Chicago flight deals

Find the cheapest month or even day of the year to fly to Chicago

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Flight deals from San Francisco International to Chicago

Looking for a cheap last-minute deal or the best return flight from San Francisco International Airport to Chicago? If you want to travel next month, return fares start from Rs62,020. Find the lowest prices on one-way and return tickets right here.

Chicago.Rs23,917 per passenger.Departing Mon, 16 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 16 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From Rs23,917, select.

Chicago.Rs28,833 per passenger.Departing Thu, 15 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Thu, 15 Oct, arriving in Chicago Rockford.Price includes taxes and charges.From Rs28,833, select.

Chicago.Rs31,102 per passenger.Departing Wed, 9 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Wed, 9 Sep, arriving in Chicago Rockford.Price includes taxes and charges.From Rs31,102, select.

Chicago.Rs32,826 per passenger.Departing Thu, 24 Sep.One-way flight with American Airlines.Outbound direct flight with American Airlines departs from San Francisco International on Thu, 24 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From Rs32,826, select.

Chicago.Rs32,826 per passenger.Departing Sat, 17 Oct.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from San Francisco International on Sat, 17 Oct, arriving in Chicago Midway.Price includes taxes and charges.From Rs32,826, select.

Chicago.Rs32,826 per passenger.Departing Wed, 19 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Wed, 19 Aug, arriving in Chicago Rockford.Price includes taxes and charges.From Rs32,826, select.

Chicago.Rs32,839 per passenger.Departing Wed, 4 Nov.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from San Francisco International on Wed, 4 Nov, arriving in Chicago Midway.Price includes taxes and charges.From Rs32,839, select.

Chicago.Rs32,895 per passenger.Departing Mon, 8 Feb.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from San Francisco International on Mon, 8 Feb, arriving in Chicago Midway.Price includes taxes and charges.From Rs32,895, select.

Chicago.Rs32,895 per passenger.Departing Tue, 18 Aug.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Tue, 18 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From Rs32,895, select.

Chicago.Rs32,933 per passenger.Departing Sat, 9 Jan.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Sat, 9 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From Rs32,933, select.

Chicago.Rs32,937 per passenger.Departing Mon, 1 Mar.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from San Francisco International on Mon, 1 Mar, arriving in Chicago Midway.Price includes taxes and charges.From Rs32,937, select.

Chicago.Rs32,937 per passenger.Departing Tue, 1 Dec.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from San Francisco International on Tue, 1 Dec, arriving in Chicago Midway.Price includes taxes and charges.From Rs32,937, select.

Chicago.Rs45,240 per passenger.Departing Sat, 15 May.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Francisco International on Sat, 15 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From Rs45,240, select.

Chicago.Rs46,303 per passenger.Departing Sat, 22 May.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Sat, 22 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From Rs46,303, select.

Chicago.Rs46,452 per passenger.Departing Tue, 28 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Tue, 28 Jul, arriving in Chicago Midway.Price includes taxes and charges.From Rs46,452, select.

Chicago.Rs46,822 per passenger.Departing Thu, 15 Apr.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Francisco International on Thu, 15 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From Rs46,822, select.

Find the cheapest month to fly from San Francisco International to Chicago

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Chicago flights are currently cheapest in November.

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Direct flights from San Francisco International to Chicago

Alternative San Francisco International to Chicago routes

Looking for the cheapest, fastest or easiest route from San Francisco International to Chicago? You could fly into the following airports instead.

San Francisco to Chicago: Flight information

The things to know before you go.

Cheapest flight found	Rs23,917
Cheapest month to fly	November
Average flight time	4 hrs, 20 mins
Most popular airline	American Airlines
Average flights per week	808

Finding cheap flights from San Francisco International to Chicago: Frequently asked questions

How many airports are there in Chicago?

There are 3 airports in Chicago: Chicago Midway, Chicago O'Hare International and Chicago Rockford.

How much are return flights from San Francisco International to Chicago?

The best price we found for a return flight from San Francisco International to Chicago is Rs58,974. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from San Francisco International to Chicago?

4 hours and 19 minutes is the average flight time from San Francisco International to Chicago.

Which airlines fly direct from San Francisco International to Chicago?

American Airlines, United and Qantas fly direct from San Francisco International to Chicago.

How many flights are there a week from San Francisco International to Chicago?

As of July 2026, there are 808 flights per week flying from San Francisco International to Chicago.

When is the cheapest time to fly from San Francisco International to Chicago?

The cheapest month to fly from San Francisco International to Chicago is usually August.

Which is the cheapest airport to fly into in Chicago?

If you're flying from San Francisco International Airport, the cheapest airport near Chicago is Chicago Rockford – which is 126.5 km away from the centre of Chicago. We've found flights into this airport from Rs58,974.

Which upcoming date is cheapest to fly from San Francisco International Airport to Chicago on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Chicago on Saturday, 29 August 2026.

Can I get a direct flight from San Francisco International Airport to Chicago?

Yes – the average flight time is 4 hours and 19 minutes.

How can I get the best flight deal from San Francisco International Airport to Chicago?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Chicago?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Chicago?

In July, the average temperature is usually around 22°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.

Which is the cheapest airline to fly from San Francisco International Airport to Chicago with?

Currently, Frontier Airlines and United offer the cheapest flight tickets to Chicago.

Flying from San Francisco International Airport (SFO) to Chicago: what you need to know

Around 4 hours 50 minutes is how long you can expect to be in the air on a direct flight from San Francisco International Airport to Chicago.
San Francisco International Airport is located in San Francisco. Based in the UTC-6 timezone, Chicago is two hours ahead of San Francisco.
The most popular route is from San Francisco International Airport (SFO) to Chicago O'Hare International Airport (ORD). You can select from 106 services every week between these two airports. If you want to get on your way as soon as possible, the earliest flight from SFO to ORD is the 00:08 United Airlines service. If you'd rather fly out later on, the final departure is at 23:59 with American Airlines.
For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This leaves you with plenty of time to catch your SFO to Chicago flight.
During popular months like July, you'll want to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during peak periods in general.
Direct San Francisco International Airport to Chicago tickets are available for booking. Chicago O'Hare International Airport (ORD) is where you'll complete your journey.
Leading carriers that offer direct flights from San Francisco International Airport to Chicago include:
Located around 18 kilometres from central San Francisco, SFO can be reached in about 25 minutes by car (depending on traffic). Travelling on public transport takes roughly 35 minutes.
Planning to catch an early flight from San Francisco International Airport to Chicago? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays near SFO:
Of the flights that depart from San Francisco International Airport, 78% touch down on time at their destination.

How to find the cheapest flights from San Francisco International Airport (SFO) to Chicago

The lowest price we've seen for a one-way San Francisco International Airport to Chicago flight is Rs23,917. The cheapest price for a return flight is Rs58,974. Bear in mind fares can change due to availability at the time of booking.
Don't leave everything to the last moment. You're more likely to pick up cheap flights from SFO to Chicago if you book in advance. Airlines often offer some great early bird rates.
The 'Whole month' search tool will show you the cheapest tickets from San Francisco International Airport to Chicago throughout the entire month. It's a great way to snap up a bargain if your travel dates are flexible.
Never miss a deal on cheap flights from SFO to Chicago by creating a Price Alert. You'll get an email or push notification on the app when fares go down.
Tailor your trip with filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from San Francisco International Airport to Chicago.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

The distance from Chicago O'Hare International Airport (ORD) to central Chicago is roughly 27 kilometres. It'll take you around 30 minutes to get to the centre driving.
Getting to the centre on public transport will take you around 45 minutes.
Consider staying in a hotel near ORD if you have a late flight from San Francisco International Airport to Chicago. Select one of these options and make arrival day easier:
Get the best deal by booking your vehicle from Chicago O'Hare International Airport around four weeks before your flight from SFO to Chicago.
The street address for ORD is 10000 West O'Hare.

Chicago Midway International Airport (MDW)

Once your flight from San Francisco International Airport to Chicago has touched down, you can make your way to the city centre in about 25 minutes by car. Central Chicago is roughly 16 kilometres from Chicago Midway International Airport (MDW).
If you choose to travel on public transport, you'll get to the city centre in 30 minutes or so.
After stepping off your SFO to Chicago flight, unwind at a hotel near MDW. These are some great accommodation options that'll help you slip into relaxation mode:
Call dibs on the best options. Securing your ride from MDW four weeks in advance often means better prices and a wider choice of vehicles.
Chicago Midway International Airport can be found at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

Chicago Rockford International Airport (RFD) is around 145 kilometres from central Chicago. It'll take you about 1 hour 40 minutes to reach the city centre by ride-share or taxi once you've stepped off your flight from San Francisco International Airport to Chicago.
Public transport can take you there in roughly 2 hours.
If you don't want to make your way into the centre, find a hotel close to RFD. Make yourself comfortable at one of these stays after your SFO to Chicago flight:
Booking a couple of weeks ahead of your flight from San Francisco International Airport to Chicago is always a good idea. Along with better deals, you'll likely have a better variety of makes and models to choose from at RFD.
The street address for Chicago Rockford International Airport is 2 Airport Cir.

Best time to go to Chicago

It's time to work out your dates for your flight from San Francisco International Airport to Chicago. July is the busiest month for a trip to Chicago. If you like a more relaxed vibe, go in January.
Before booking a San Francisco International Airport to Chicago plane ticket, think about the kind of weather you prefer. July is the warmest month in Chicago, with temperatures ranging from 16ºC to 28ºC.
If you want cooler conditions, look for a cheap ticket from SFO to Chicago in January when temperatures average between -12ºC and 3ºC.

More about Chicago

Start your Chicago trip right by choosing the perfect place to stay. Once you've booked your flight from San Francisco International Airport to Chicago, browse our selection of hotels including:
Art Institute of Chicago and Millennium Park are just the start of the top-rated attractions to add to your Chicago to-do list. Keep the momentum going by heading to Willis Tower.

Explore more of the United States

Columbus is just one of the many places in the United States waiting to be discovered once you've taken in the sights of Chicago. Around 451 kilometres away to the southeast, well-known attractions include Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.
If you're interested in discovering another major stop in the United States, head for Indianapolis, roughly 257 kilometres southeast of Chicago. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are the start of reasons to visit.