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Cheap flights from San Francisco to Chicago from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Chicago departing on 18/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Francisco to Chicago

Cheap return flights

These are some of the best return flight deals from San Francisco to Chicago that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Francisco to Chicago.

Cheap last-minute flights

Planning a quick getaway from San Francisco to Chicago? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Chicago, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from San Francisco to Chicago

Find recent return train or bus tickets from San Francisco to Chicago.

All return flight deals from San Francisco to Chicago

The cheapest plane tickets from San Francisco to Chicago found on KAYAK recently.
00:16 - 09:51SFO-ORD
7h 35m1 stop
06:45 - 13:33ORD-SFO
8h 48m1 stop
$212Frontier
Find Deal
Tue, 4 Mar - Wed, 12 Mar
22:59 - 05:10SFO-ORD
28h 11m1 stop
06:45 - 13:33ORD-SFO
8h 48m1 stop
$231Frontier
Find Deal
Wed, 5 Mar - Wed, 12 Mar
00:16 - 09:51SFO-ORD
7h 35m1 stop
19:00 - 22:10ORD-SFO
5h 10mdirect
Tue, 4 Mar - Wed, 12 Mar
06:00 - 23:39SFO-ORD
15h 39m2 stops
06:45 - 13:33ORD-SFO
8h 48m1 stop
$283Frontier
Find Deal
Wed, 5 Mar - Wed, 12 Mar
10:46 - 16:58SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$304Alaska Airlines
Find Deal
Wed, 19 Feb - Sat, 22 Feb
10:48 - 17:00SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$308Alaska Airlines
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Sat, 1 Mar - Sat, 1 Mar
23:55 - 06:13SFO-ORD
4h 18mdirect
15:40 - 20:40ORD-SFO
7h 00m1 stop
$367United Airlines
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Mon, 17 Feb - Mon, 24 Feb
17:10 - 23:36SFO-ORD
4h 26mdirect
06:30 - 09:30ORD-SFO
5h 00mdirect
$381United Airlines
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Sat, 15 Feb - Sun, 16 Feb
13:05 - 22:35SFO-ORD
7h 30m1 stop
15:10 - 23:05ORD-SFO
9h 55m2 stops
$407Southwest
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Wed, 26 Feb - Mon, 3 Mar
10:35 - 22:35SFO-ORD
10h 00m1 stop
06:15 - 14:30ORD-SFO
10h 15m2 stops
$439Southwest
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Wed, 26 Feb - Tue, 4 Mar
23:55 - 06:13SFO-ORD
4h 18mdirect
$145United Airlines
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Tue, 18 Feb
17:05 - 23:31SFO-ORD
4h 26mdirect
$160United Airlines
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Tue, 4 Mar
14:43 - 23:59SFO-ORD
7h 16m1 stop
$174Alaska Airlines
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Tue, 25 Feb
10:46 - 16:58SFO-ORD
4h 12mdirect
$176Alaska Airlines
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Thu, 20 Feb
08:20 - 13:07SFO-ORD
26h 47m1 stop
$184Alaska Airlines
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Sat, 8 Feb
14:27 - 22:41SFO-ORD
6h 14m1 stop
$192United Airlines
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Sun, 25 May
13:30 - 23:56SFO-ORD
8h 26m1 stop
$208Delta
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Wed, 5 Mar
00:40 - 08:59SFO-ORD
6h 19m1 stop
$258Delta
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Thu, 13 Feb
05:00 - 18:30SFO-ORD
11h 30m2 stops
$305Southwest
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Sat, 1 Mar
05:35 - 18:10SFO-ORD
10h 35m2 stops
$346Southwest
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Sat, 1 Feb
10:00 - 16:27SFO-ORD
4h 27mdirect
18:55 - 21:54ORD-SFO
4h 59mdirect
$820Alaska Airlines
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Mon, 20 Jan - Fri, 31 Jan
10:00 - 16:27SFO-ORD
4h 27mdirect
07:45 - 19:00ORD-SFO
13h 15m2 stops
$833Alaska Airlines
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Thu, 23 Jan - Tue, 28 Jan
10:00 - 16:27SFO-ORD
4h 27mdirect
14:07 - 22:12ORD-SFO
10h 05m1 stop
$836Alaska Airlines
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Mon, 20 Jan - Fri, 31 Jan
16:32 - 14:03SFO-ORD
19h 31m1 stop
07:45 - 19:00ORD-SFO
13h 15m2 stops
$843Alaska Airlines
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Tue, 21 Jan - Tue, 28 Jan
22:45 - 09:16SFO-ORD
8h 31m1 stop
13:40 - 19:06ORD-SFO
7h 26m1 stop
$853Delta
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Tue, 21 Jan - Fri, 31 Jan
23:05 - 05:30SFO-ORD
4h 25mdirect
17:50 - 22:56ORD-SFO
7h 06m1 stop
$982United Airlines
Find Deal
Tue, 21 Jan - Fri, 31 Jan
00:40 - 10:43SFO-ORD
8h 03m1 stop
16:55 - 23:54ORD-SFO
8h 59m1 stop
$1,012Delta
Find Deal
Fri, 24 Jan - Mon, 27 Jan
12:00 - 22:35SFO-ORD
8h 35m2 stops
15:10 - 23:05ORD-SFO
9h 55m2 stops
$1,038Southwest
Find Deal
Thu, 23 Jan - Sun, 26 Jan
05:20 - 14:25SFO-ORD
7h 05m1 stop
06:15 - 14:30ORD-SFO
10h 15m2 stops
$1,040Southwest
Find Deal
Tue, 21 Jan - Thu, 23 Jan
23:59 - 06:18SFO-ORD
4h 19mdirect
07:10 - 15:25ORD-SFO
10h 15m1 stop
$1,092United Airlines
Find Deal
Tue, 21 Jan - Sat, 25 Jan
10:46 - 16:58SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$304Alaska Airlines
Find Deal
Wed, 19 Feb - Sat, 22 Feb
10:48 - 17:00SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$308Alaska Airlines
Find Deal
Sat, 1 Mar - Sat, 1 Mar
10:46 - 16:58SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$318Alaska Airlines
Find Deal
Tue, 25 Feb - Tue, 4 Mar
10:46 - 16:58SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$320Alaska Airlines
Find Deal
Thu, 20 Feb - Sat, 22 Feb
10:46 - 16:58SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$334Alaska Airlines
Find Deal
Tue, 25 Feb - Fri, 7 Mar
10:46 - 16:58SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$350Alaska Airlines
Find Deal
Mon, 24 Feb - Mon, 3 Mar
17:10 - 23:36SFO-ORD
4h 26mdirect
06:30 - 09:30ORD-SFO
5h 00mdirect
$381United Airlines
Find Deal
Sat, 15 Feb - Sun, 16 Feb
22:36 - 04:51SFO-ORD
4h 15mdirect
08:45 - 11:28ORD-SFO
4h 43mdirect
$407United Airlines
Find Deal
Thu, 27 Mar - Tue, 1 Apr
22:46 - 05:08SFO-ORD
4h 22mdirect
15:35 - 18:34ORD-SFO
4h 59mdirect
$423United Airlines
Find Deal
Mon, 31 Mar - Fri, 4 Apr
13:20 - 19:41SFO-ORD
4h 21mdirect
08:30 - 11:24ORD-SFO
4h 54mdirect
$966American Airlines
Find Deal
Tue, 28 Jan - Fri, 31 Jan

Frontier flights from San Francisco to Chicago

Our best Frontier deals on San Francisco to Chicago flight tickets
Frontier
4 Mar
SFO00:16San Francisco
7h 35m
1 stop
ORD09:51Chicago O'Hare Intl
12 Mar
ORD06:45Chicago O'Hare Intl
8h 48m
1 stop
SFO13:33San Francisco
Frontier
5 Mar
SFO22:59San Francisco
28h 11m
1 stop
ORD05:10Chicago O'Hare Intl
12 Mar
ORD06:45Chicago O'Hare Intl
8h 48m
1 stop
SFO13:33San Francisco
Frontier
5 Mar
SFO06:00San Francisco
15h 39m
2 stops
ORD23:39Chicago O'Hare Intl
12 Mar
ORD06:45Chicago O'Hare Intl
8h 48m
1 stop
SFO13:33San Francisco

Alaska Airlines flights from San Francisco to Chicago

Our best Alaska Airlines deals on San Francisco to Chicago flight tickets
Alaska Airlines
19 Feb
SFO10:46San Francisco
4h 12m
ORD16:58Chicago O'Hare Intl
22 Feb
ORD19:00Chicago O'Hare Intl
5h 10m
SFO22:10San Francisco
Alaska Airlines
1 Mar
SFO10:48San Francisco
4h 12m
ORD17:00Chicago O'Hare Intl
1 Mar
ORD19:00Chicago O'Hare Intl
5h 10m
SFO22:10San Francisco
Alaska Airlines
25 Feb
SFO10:46San Francisco
4h 12m
ORD16:58Chicago O'Hare Intl
5 Mar
ORD19:00Chicago O'Hare Intl
5h 10m
SFO22:10San Francisco

See travel insights to Chicago from

How to get the cheapest flight ticket from San Francisco to Chicago

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 Chicago?

If you don’t want to visit Chicago in April, then you should wait until February to fly from San Francisco, when ticket prices are also cheap, with an average price of $481.

What is the cheapest day to depart on your flight to Chicago?

Our data shows that Monday is the least expensive day to fly to Chicago. Tickets to fly out on this day can be as low as $0. Flights from San Francisco to Chicago on a Thursday will generally be more expensive and average around $652. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Chicago?

Our data shows that the cheapest San Francisco to Chicago flights are usually those with departure times at midday. Our users have found flights to Chicago at midday for as low as $0. Flights in the morning are often more expensive, with an average ticket price of $585.

What is the cheapest San Francisco to Chicago flight route?

Fly from San Francisco to Chicago O'Hare Intl for the best San Francisco - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from San Francisco when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $616 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from San Francisco for as low as $504 on momondo.

What cabin class options are available on San Francisco to Chicago flights?

There are 3 cabin classes available to choose from on San Francisco to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Francisco to Chicago flight prices changed over time?

As of January 2025, prices for San Francisco to Chicago flights are approximately 42% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Francisco to Chicago (SFO to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Chicago

Best price found

$145

Fastest flight time

4h 10m

Direct flights

Every day

Airports in Chicago

1 airport
The best one-way flight to Chicago from San Francisco in the past 72 hours is $145. The best return flight deal from San Francisco to Chicago found on momondo in the last 72 hours is $212.
The fastest flight from San Francisco to Chicago takes 4h 10m
Direct flights go from San Francisco to Chicago every day.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)

  • How far is San Francisco to Chicago by plane?

    The straight-line distance from San Francisco to Chicago is 2981.9 km. A reasonable flight in good conditions will take 4h 10m.

  • When did momondo last update prices for flights from San Francisco Airport to Chicago?

    Prices for flights from San Francisco Airport to Chicago were last updated today.

  • How old do you have to be to fly from San Francisco Airport to Chicago?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Francisco to Chicago?

  • What is the most popular airline from San Francisco to Chicago?


Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Chicago?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to Chicago. momondo saves you time and could save you money on your trip.

Can I find flights from San Francisco to Chicago with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chicago from San Francisco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco to Chicago?

momondo helps you find the best flight between San Francisco and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Francisco to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from San Francisco. 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.


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Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 25.6 km from Chicago