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Cheap flights from San Francisco to Chicago O'Hare Intl Airport from $144

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 O'Hare Intl Airport 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
08:43 - 22:42ORD-SFO
15h 59m1 stop
$210Frontier
Find Deal
Tue, 4 Mar - Wed, 12 Mar
00:16 - 09:51SFO-ORD
7h 35m1 stop
08:43 - 22:42ORD-SFO
15h 59m1 stop
$211Frontier
Find Deal
Tue, 4 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
00:16 - 09:51SFO-ORD
7h 35m1 stop
19:00 - 22:10ORD-SFO
5h 10mdirect
Tue, 4 Mar - Wed, 12 Mar
23:55 - 06:13SFO-ORD
4h 18mdirect
08:45 - 11:40ORD-SFO
4h 55mdirect
$301United Airlines
Find Deal
Tue, 18 Feb - Tue, 25 Feb
10:46 - 16:58SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$310Alaska Airlines
Find Deal
Wed, 5 Mar - Wed, 12 Mar
10:46 - 16:58SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$314Alaska Airlines
Find Deal
Wed, 5 Mar - Wed, 12 Mar
13:46 - 20:03SFO-ORD
4h 17mdirect
10:35 - 13:38ORD-SFO
5h 03mdirect
$315United Airlines
Find Deal
Tue, 25 Feb - Wed, 26 Feb
10:35 - 22:35SFO-ORD
10h 00m1 stop
06:15 - 11:00ORD-SFO
6h 45m1 stop
$349Southwest
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Wed, 19 Feb - Sun, 23 Feb
10:35 - 21:30SFO-ORD
8h 55m2 stops
12:15 - 20:35ORD-SFO
10h 20m2 stops
$429Southwest
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Wed, 19 Feb - Wed, 26 Feb
23:55 - 06:13SFO-ORD
4h 18mdirect
$144United Airlines
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Tue, 18 Feb
10:46 - 16:58SFO-ORD
4h 12mdirect
$158Alaska Airlines
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Wed, 5 Mar
14:43 - 23:59SFO-ORD
7h 16m1 stop
$173Alaska Airlines
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Tue, 4 Mar
23:55 - 06:13SFO-ORD
4h 18mdirect
$174United Airlines
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Mon, 3 Mar
05:30 - 15:20SFO-ORD
7h 50m1 stop
$190Southwest
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Fri, 14 Mar
06:30 - 17:27SFO-ORD
8h 57m1 stop
$203Delta
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Wed, 9 Apr
00:40 - 11:30SFO-ORD
8h 50m1 stop
$206Delta
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Thu, 20 Feb
19:25 - 12:45SFO-ORD
15h 20m2 stops
$238Southwest
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Mon, 7 Apr
05:55 - 17:34SFO-ORD
9h 39m2 stops
$326American Airlines
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Wed, 9 Apr
18:40 - 21:06SFO-ORD
24h 26m1 stop
$365Sun Country Air
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Fri, 28 Mar
00:40 - 10:43SFO-ORD
8h 03m1 stop
16:58 - 23:19ORD-SFO
8h 21m1 stop
$717Delta
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Fri, 24 Jan - Fri, 14 Feb
10:00 - 16:27SFO-ORD
4h 27mdirect
07:45 - 19:00ORD-SFO
13h 15m2 stops
$826Alaska Airlines
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Mon, 27 Jan - Wed, 29 Jan
10:00 - 16:27SFO-ORD
4h 27mdirect
07:45 - 13:47ORD-SFO
8h 02m1 stop
$829Alaska Airlines
Find Deal
Mon, 27 Jan - Wed, 5 Feb
07:00 - 17:59SFO-ORD
8h 59m1 stop
07:45 - 19:00ORD-SFO
13h 15m2 stops
$835Alaska Airlines
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Fri, 24 Jan - Wed, 29 Jan
07:15 - 16:45SFO-ORD
7h 30m1 stop
05:45 - 11:25ORD-SFO
7h 40m1 stop
$882Southwest
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Sun, 26 Jan - Thu, 30 Jan
05:55 - 15:20SFO-ORD
7h 25m1 stop
12:15 - 20:35ORD-SFO
10h 20m2 stops
$891Southwest
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Sun, 26 Jan - Thu, 30 Jan
05:20 - 11:36SFO-ORD
4h 16mdirect
08:30 - 11:24ORD-SFO
4h 54mdirect
$965American Airlines
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Sun, 26 Jan - Thu, 30 Jan
00:27 - 12:30SFO-ORD
10h 03m1 stop
12:39 - 15:28ORD-SFO
4h 49mdirect
$979American Airlines
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Sun, 26 Jan - Thu, 30 Jan
23:59 - 06:18SFO-ORD
4h 19mdirect
08:55 - 11:43ORD-SFO
4h 48mdirect
$982United Airlines
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Thu, 23 Jan - Fri, 24 Jan
23:05 - 05:30SFO-ORD
4h 25mdirect
07:15 - 11:59ORD-SFO
6h 44m1 stop
$998United Airlines
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Sat, 25 Jan - Sun, 26 Jan
23:55 - 06:13SFO-ORD
4h 18mdirect
08:45 - 11:40ORD-SFO
4h 55mdirect
$301United Airlines
Find Deal
Tue, 18 Feb - Tue, 25 Feb
10:46 - 16:58SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$310Alaska Airlines
Find Deal
Wed, 5 Mar - Wed, 12 Mar
10:46 - 16:58SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$314Alaska Airlines
Find Deal
Wed, 5 Mar - Wed, 12 Mar
13:46 - 20:03SFO-ORD
4h 17mdirect
10:35 - 13:38ORD-SFO
5h 03mdirect
$315United Airlines
Find Deal
Tue, 25 Feb - Wed, 26 Feb
13:46 - 20:03SFO-ORD
4h 17mdirect
06:30 - 09:30ORD-SFO
5h 00mdirect
$317United Airlines
Find Deal
Thu, 20 Feb - Sat, 22 Feb
10:46 - 16:58SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$331Alaska Airlines
Find Deal
Wed, 5 Mar - Mon, 10 Mar
10:46 - 16:58SFO-ORD
4h 12mdirect
19:00 - 22:10ORD-SFO
5h 10mdirect
$347Alaska Airlines
Find Deal
Thu, 20 Feb - Fri, 28 Feb
00:08 - 06:30SFO-ORD
4h 22mdirect
06:30 - 09:20ORD-SFO
4h 50mdirect
$366United Airlines
Find Deal
Mon, 7 Apr - Sat, 12 Apr
05:00 - 11:05SFO-ORD
4h 05mdirect
20:37 - 23:39ORD-SFO
5h 02mdirect
$549American Airlines
Find Deal
Thu, 13 Feb - Fri, 14 Feb
05:20 - 11:36SFO-ORD
4h 16mdirect
12:39 - 15:28ORD-SFO
4h 49mdirect
$838American Airlines
Find Deal
Sun, 2 Feb - Wed, 5 Feb

Frontier flights from San Francisco to Chicago O'Hare Intl Airport

Our best Frontier deals on San Francisco to Chicago O'Hare Intl Airport flight tickets
Frontier
4 Mar
SFO00:16San Francisco
7h 35m
1 stop
ORD09:51Chicago O'Hare Intl
12 Mar
ORD08:43Chicago O'Hare Intl
15h 59m
1 stop
SFO22:42San Francisco
Frontier
4 Mar
SFO00:16San Francisco
7h 35m
1 stop
ORD09:51Chicago O'Hare Intl
12 Mar
ORD08:43Chicago O'Hare Intl
15h 59m
1 stop
SFO22:42San Francisco
Frontier
5 Mar
SFO22:59San Francisco
28h 11m
1 stop
ORD05:10Chicago O'Hare Intl
12 Mar
ORD08:43Chicago O'Hare Intl
15h 59m
1 stop
SFO22:42San Francisco

United Airlines flights from San Francisco to Chicago O'Hare Intl Airport

Our best United Airlines deals on San Francisco to Chicago O'Hare Intl Airport flight tickets
United Airlines
18 Feb
SFO23:55San Francisco
4h 18m
ORD06:13Chicago O'Hare Intl
25 Feb
ORD08:45Chicago O'Hare Intl
4h 55m
SFO11:40San Francisco
United Airlines
20 Feb
SFO13:46San Francisco
4h 17m
ORD20:03Chicago O'Hare Intl
22 Feb
ORD06:30Chicago O'Hare Intl
5h 00m
SFO09:30San Francisco
United Airlines
18 Feb
SFO23:55San Francisco
4h 18m
ORD06:13Chicago O'Hare Intl
20 Feb
ORD15:40Chicago O'Hare Intl
7h 00m
1 stop
SFO20:40San Francisco

See travel insights to Chicago from

How to get the cheapest flight ticket from San Francisco to Chicago O'Hare Intl Airport

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 O'Hare Intl Airport?

The month of January is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from San Francisco, with most prices found around $486. If you are unable to visit Chicago O'Hare Intl Airport during the month of January, then departing from San Francisco during the month February is also very affordable. Most momondo users find prices during this month for around $493.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart from San Francisco to Chicago O'Hare Intl Airport is on a Monday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Monday will often find tickets for as low as $0. The most expensive day to fly to Chicago O'Hare Intl Airport is Thursday, with ticket prices averaging around $646.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Our data shows that the cheapest San Francisco to Chicago O'Hare Intl Airport flights are usually those with departure times at midday. Our users have found flights to Chicago O'Hare Intl Airport at midday for as low as $0. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the morning when prices are around $650.

What is the cheapest San Francisco to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from San Francisco when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $609 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from San Francisco for as low as $504 on momondo.

What cabin class options are available on San Francisco to Chicago O'Hare Intl flights?

There are 3 cabin classes available to choose from on San Francisco to Chicago O'Hare Intl 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 O'Hare Intl Airport flight prices changed over time?

As of January 2025, prices for San Francisco to Chicago O'Hare Intl Airport flights are approximately 24% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Chicago O'Hare Intl Airport

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

Cheap San Francisco to Chicago O'Hare Intl Airport (SFO to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Chicago O'Hare Intl Airport

Best price found

$144

Fastest flight time

4h 05m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from San Francisco in the past 72 hours is $144. The best return flight deal from San Francisco to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $210.
The fastest flight from San Francisco to Chicago O'Hare Intl Airport takes 4h 05m
Direct flights go from San Francisco to Chicago O'Hare Intl Airport every day.

  • How far is San Francisco to Chicago O'Hare Intl by plane?

    The distance between San Francisco and Chicago O'Hare Intl is about 2958.4 km. Typically, this will take 4h 05m by plane in normal conditions.

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

    Prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport are updated daily.

  • How old do you have to be to fly from San Francisco Airport to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco to Chicago O'Hare Intl Airport?


Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Rosemont
Naperville

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from San Francisco.

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?

Once all potential San Francisco to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of San Francisco to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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