SFO - ORD

£98 Find Cheap Flights from San Francisco to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Chicago departing on 23/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago O'Hare Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Chicago, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Chicago, as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
£202
Typical prices: £364-£203
United Airlines
Tue 15/9Tue 6/10
SFO - ORD • Direct
Cheapest one-way flight
£98
Typical prices: £99-£202
United Airlines
Sat 23/5
SFO - ORD • Direct
Advice from real travellers
AI-powered summary based on content written by travel experts. AI can make mistakes.
United's Economy Plus seats offer extra legroom.
Take the CTA Blue Line from ORD to downtown Chicago.
Expert advice
Expert advice
Expert advice
Expert advice
Direct flights
Every day
You can fly direct with American Airlines and United Airlines. Average duration is 4h 33m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
United Airlines
Most punctual • 90% on-time
Morning flights
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
4 weeks
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 45% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 19% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Chicago!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Francisco to Chicago that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Francisco to Chicago

Tue, 15 Sep - Tue, 6 Oct
United Airlines Logo
23:30 - 05:59
SFO
-
ORD
4h 29mdirect
United Airlines Logo
15:35 - 18:26
ORD
-
SFO
4h 51mdirect
£202United Airlines
Thu, 28 May - Tue, 2 Jun
Southwest Logo
11:10 - 22:55
SFO
-
ORD
9h 45m
2 stops
Southwest Logo
16:50 - 23:15
ORD
-
SFO
8h 25m
1 stop
£203Southwest
Mon, 25 May - Sat, 30 May
United Airlines Logo
05:05 - 11:31
SFO
-
ORD
4h 26mdirect
United Airlines Logo
20:09 - 23:02
ORD
-
SFO
4h 53mdirect
£205United Airlines
Wed, 2 Sep - Tue, 8 Sep
Delta Logo
08:55 - 17:30
SFO
-
ORD
6h 35m
1 stop
Delta Logo
14:55 - 20:19
ORD
-
SFO
7h 24m
1 stop
£205Delta
Sat, 15 Aug - Sat, 22 Aug
Delta Logo
08:55 - 17:30
SFO
-
ORD
6h 35m
1 stop
Delta Logo
07:30 - 12:30
ORD
-
SFO
7h 00m
1 stop
£206Delta
Mon, 18 May - Wed, 27 May
Alaska Airlines Logo
17:41 - 13:14
SFO
-
ORD
17h 33m
1 stop
Alaska Airlines Logo
14:10 - 21:31
ORD
-
SFO
9h 21m
1 stop
£207Alaska Airlines
Wed, 20 May - Fri, 29 May
United Airlines Logo
05:30 - 11:55
SFO
-
ORD
4h 25mdirect
United Airlines Logo
06:13 - 08:50
ORD
-
SFO
4h 37mdirect
£207United Airlines
Mon, 8 Jun - Tue, 16 Jun
United Airlines Logo
00:50 - 07:16
SFO
-
ORD
4h 26mdirect
United Airlines Logo
21:33 - 00:30
ORD
-
SFO
4h 57mdirect
£208United Airlines
Tue, 2 Jun - Wed, 3 Jun
Alaska Airlines Logo
07:20 - 18:50
SFO
-
ORD
9h 30m
1 stop
Alaska Airlines Logo
14:10 - 21:31
ORD
-
SFO
9h 21m
1 stop
£209Alaska Airlines
Fri, 14 Aug - Thu, 20 Aug
Alaska Airlines Logo
07:55 - 18:57
SFO
-
ORD
9h 02m
1 stop
Alaska Airlines Logo
06:01 - 10:53
ORD
-
SFO
6h 52m
1 stop
£210Alaska Airlines
Booking Insights

KAYAK’s insights & trends for San Francisco to Chicago flights

Get data-powered insights and trends into flights from San Francisco to Chicago to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from San Francisco to Chicago O'Hare Intl Airport?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from San Francisco to Chicago O'Hare Intl Airport departing in September.

What is the cheapest month to fly from San Francisco to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to Chicago O'Hare Intl Airport is September, where tickets cost £234 (return) on average. On the other hand, the most expensive months are November and December, where the average cost of round-trip tickets is £346 and £344 respectively.

Can I save money by flying with a stopover from San Francisco to Chicago O'Hare Intl Airport?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £263 on average.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure, which saves you about 45% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Find deals
Expert advice

Expert advice for your flight from San Francisco to Chicago

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, The Points Guy, and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and ORD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Read more
Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor is a journalist and editor specialising in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favourite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history.

Read more

Good to know - Cheap tickets from San Francisco to Chicago

Low seasonFebruary
Cheapest flight£98
Best time to beat the crowds (1% less expensive on average)
Most popular time to fly and prices are also 7% lower on average.
Flight from San Francisco to Chicago

When to book flights from San Francisco to Chicago

Are your dates flexible? Find out the best times to travel from San Francisco to Chicago based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Francisco to Chicago flights

  • What is the cheapest flight from San Francisco to Chicago O'Hare Intl Airport?

    In the last 3 days, the lowest price for a flight from San Francisco to Chicago O'Hare Intl Airport was £98 for a one-way ticket and £202 for a return.

  • Which airports will I be using when flying from San Francisco to Chicago?

    San Francisco and Chicago are both served by 1 main airport. You will leave San Francisco from San Francisco and will be arriving at Chicago O'Hare Intl.

  • Which airlines offer Wi-Fi service onboard planes from San Francisco to Chicago?

    All the following airlines offer inflight Wi-Fi service on the San Francisco to Chicago flight route: American Airlines, JetBlue, Delta, Iberia, Finnair, British Airways, Alaska Airlines, and Hawaiian Airlines.

  • Which aircraft models fly most regularly from San Francisco to Chicago?

    The Airbus A321neo is the aircraft model that flies most regularly on the San Francisco to Chicago flight route.

  • On which days can I fly direct from San Francisco to Chicago?

    There are direct flights from San Francisco to Chicago on a daily basis.

  • How does KAYAK find such low prices on flights from San Francisco to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from San Francisco is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Chicago with an airline and back to San Francisco with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Francisco to Chicago O'Hare Intl Airport

  • Looking for a cheap flight from Chicago to San Francisco? 25% of our users found flights on this route for £183 or less one-way.

Prefer to fly direct from San Francisco to Chicago?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Francisco to Chicago O'Hare Intl.
Find which airlines fly direct from San Francisco Airport to Chicago O'Hare Intl Airport, which days they fly and book direct flights.

Direct departures

San Francisco to Chicago O'Hare Intl

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

Direct returns

Chicago O'Hare Intl to San Francisco

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

Everything you need to know for your flight from San Francisco to Chicago

Information on your arrival and departure airports

San Francisco (SFO)
O'Hare Intl (ORD)