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Cheap flights from San Francisco to Chicago O'Hare Intl Airport from ₹ 12,188

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ORD
23 May — 30 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Chicago O'Hare Intl are usually found in September or August, booked 67 days in advance, depart on a Monday or Tuesday and return on a Saturday

Cheap flight deals from San Francisco to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to O'Hare Intl
Explore the most affordable flight options available from San Francisco to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 April 2026.

Fri 12/621:43
SFO
-
ORD
1 stop21h 00m
Frontier
Sun 14/607:12
ORD
-
SFO
1 stop27h 39m
Frontier
Deal found 20/4₹ 25,313
Thu 30/722:30
SFO
-
ORD
1 stop7h 29m
Delta
Tue 4/807:35
ORD
-
SFO
1 stop7h 51m
Delta
Deal found 19/4₹ 25,407
Tue 19/514:50
SFO
-
ORD
1 stop7h 05m
Southwest
Sat 23/506:15
ORD
-
SFO
2 stops13h 10m
Southwest
Deal found 21/4₹ 25,595
Mon 18/500:45
SFO
-
ORD
Nonstop4h 22m
United Airlines
Mon 15/622:45
ORD
-
SFO
Nonstop4h 57m
United Airlines
Deal found 20/4₹ 25,688
Tue 25/815:25
SFO
-
ORD
1 stop6h 32m
Alaska Airlines
Sat 29/807:00
ORD
-
SFO
1 stop7h 39m
Alaska Airlines
Deal found 23/4₹ 25,782
Sat 16/516:44
SFO
-
ORD
1 stop18h 30m
Alaska Airlines
Wed 20/514:10
ORD
-
SFO
1 stop7h 10m
Alaska Airlines
Deal found 21/4₹ 25,970
Mon 18/500:45
SFO
-
ORD
Nonstop4h 22m
United Airlines
Sat 23/521:48
ORD
-
SFO
Nonstop4h 57m
United Airlines
Deal found 20/4₹ 26,063
Sat 16/513:20
SFO
-
ORD
1 stop6h 30m
Delta
Mon 8/617:57
ORD
-
SFO
1 stop7h 56m
Delta
Deal found 20/4₹ 26,157
Tue 16/612:38
SFO
-
ORD
1 stop6h 05m
Frontier
Tue 23/612:31
ORD
-
SFO
1 stop12h 31m
Frontier
Deal found 18/4₹ 26,438
Sat 30/516:21
SFO
-
ORD
Nonstop4h 38m
United Airlines
Tue 2/621:33
ORD
-
SFO
Nonstop4h 57m
United Airlines
Deal found 20/4₹ 26,532
Tue 12/511:25
SFO
-
ORD
2 stops9h 30m
Southwest
Tue 19/519:35
ORD
-
SFO
2 stops17h 30m
Southwest
Deal found 21/4₹ 26,626
Thu 30/722:30
SFO
-
ORD
1 stop7h 29m
Delta
Thu 6/814:42
ORD
-
SFO
1 stop8h 35m
Delta
Deal found 19/4₹ 26,720

Find flight deals from San Francisco to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 April 2026.

Round-trip from

₹ 25,313

One-way from

₹ 12,188

Popular in

November

Cheapest in

September

Average price

₹ 37,220
Frontier
  • Frontier
  • 12/6-14/6
  • 2 total stops
  • 48h 39m total
  • San Francisco to Chicago
Search Deals
United Airlines
  • United Airlines
  • 24/8
  • Nonstop
  • 4h 26m total
  • San Francisco to Chicago
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (₹ 497,189 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 61,298 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 23 April 2026.
Use the filters below to find and compare flights from San Francisco to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 5/9

06:15-14:58

1 stop6h 43m

Chicago O'Hare Intl

Sat 12/9

12:15-18:08

1 stop7h 53m

₹ 26,157

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Mon 8/6

07:00-17:20

1 stop8h 20m

Chicago O'Hare Intl

Fri 19/6

18:15-23:41

1 stop7h 26m

₹ 30,564

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 25/9

00:40-08:34

1 stop5h 54m

Chicago O'Hare Intl

Sat 26/9

14:55-20:19

1 stop7h 24m

₹ 30,564
Fastest return journey

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 9/7

22:38-05:01

Nonstop4h 23m

Chicago O'Hare Intl

Wed 15/7

06:10-08:47

Nonstop4h 37m

₹ 31,407

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 23/5

15:16-21:50

Nonstop4h 34m

Chicago O'Hare Intl

Sun 24/5

15:57-18:49

Nonstop4h 52m

₹ 31,595

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Mon 1/6

23:30-05:57

Nonstop4h 27m

Chicago O'Hare Intl

Tue 2/6

21:33-00:30

Nonstop4h 57m

₹ 31,689

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 9/7

00:50-07:16

Nonstop4h 26m

Chicago O'Hare Intl

Mon 13/7

23:00-01:57

Nonstop4h 57m

₹ 32,251

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 30/5

06:16-18:50

1 stop10h 34m

Chicago O'Hare Intl

Tue 9/6

07:40-17:03

2 stops11h 23m

₹ 32,439

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 9/10

22:35-04:58

Nonstop4h 23m

Chicago O'Hare Intl

Mon 12/10

23:00-01:57

Nonstop4h 57m

₹ 34,032

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 29/5

13:25-23:55

2 stops8h 30m

Chicago O'Hare Intl

Tue 2/6

10:30-19:05

2 stops10h 35m

₹ 35,157

Flights are sorted by cheapest return flights first.

Deals found on 20/4

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from San Francisco to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Chicago O'Hare Intl Airport

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

Use this chart to determine the optimal time to book a return flight from San Francisco to O'Hare Intl. Price data was last updated on 17 April 2026.

The price you pay for your flight from San Francisco to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from San Francisco to Chicago O'Hare Intl Airport (average of ₹ 29,720). Flying from San Francisco to Chicago O'Hare Intl Airport in November is currently the most expensive (average of ₹ 43,876). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to ORD?

Find hourly flight availability from San Francisco to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 April 2026.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Chicago O'Hare Intl Airport at midday. If you’re flexible enough to do this you can expect to save up to 81% on your trip compared to booking a flight in the afternoon.

How much does it cost for a return flight from San Francisco to Chicago O'Hare Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from San Francisco to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Francisco to Chicago O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 17.7 km from the centre of San Francisco. There are 76 flights from San Francisco to Chicago O'Hare Intl per day from 0 different airlines.

  • How long is the flight from San Francisco to Chicago O'Hare Intl Airport?

    Airlines like Delta and United Airlines fly from San Francisco to Chicago O'Hare Intl Airport in about 4h 23m. The time it takes to get you to your destination can typically vary by up to 2h 20m. San Francisco and Chicago O'Hare Intl Airport are separated by a distance of 2963 km. This flight may include one or multiple stops.

  • What are the most reliable airlines from San Francisco to Chicago O'Hare Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Chicago O'Hare Intl Airport on time: Asiana Airlines (88%), Brussels Airlines (85%), Air Canada (82%).

  • Can I find deals for flights from San Francisco to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on San Francisco to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to O'Hare Intl.

  • Can I find deals for business class flights from San Francisco to O'Hare Intl?

    Yes. Cheapflights offers flight deals from San Francisco to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Chicago O'Hare Intl Airport (average of ₹ 29,720). Flying from San Francisco to Chicago O'Hare Intl Airport in November is currently the most expensive (average of ₹ 43,876). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Downers Grove
DeKalb

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Can Cheapflights find flights from San Francisco to O'Hare Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to O'Hare Intl, users can toggle the no change fees filter when performing a flight search.

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