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Cheap flights from San Francisco to Chicago O'Hare Intl Airport from ₹ 11,087

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ORD
2 May — 9 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 April, booked 67 days in advance, depart on a Wednesday 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 2 April 2026.

Wed 15/418:29
SFO
-
ORD
1 stop9h 21m
Frontier
Thu 16/407:50
ORD
-
SFO
1 stop12h 01m
Frontier
Deal found 31/3₹ 23,665
Sun 10/507:15
SFO
-
ORD
1 stop9h 48m
Alaska Airlines
Sat 23/509:00
ORD
-
SFO
1 stop15h 23m
Alaska Airlines
Deal found 1/4₹ 23,758
Wed 27/506:15
SFO
-
ORD
1 stop6h 42m
Delta
Wed 27/519:45
ORD
-
SFO
1 stop6h 42m
Delta
Deal found 31/3₹ 23,944
Tue 28/410:05
SFO
-
ORD
2 stops10h 50m
Southwest
Tue 5/514:40
ORD
-
SFO
1 stop8h 15m
Southwest
Deal found 31/3₹ 24,410
Sun 12/406:00
SFO
-
ORD
1 stop29h 19m
Frontier
Sun 19/405:59
ORD
-
SFO
1 stop13h 35m
Frontier
Deal found 30/3₹ 24,596
Mon 27/422:50
SFO
-
ORD
Nonstop4h 37m
United Airlines
Wed 29/407:40
ORD
-
SFO
Nonstop4h 58m
United Airlines
Deal found 30/3₹ 24,690
Wed 29/410:05
SFO
-
ORD
2 stops10h 50m
Southwest
Wed 6/510:30
ORD
-
SFO
2 stops10h 35m
Southwest
Deal found 31/3₹ 24,876
Tue 5/506:20
SFO
-
ORD
1 stop6h 40m
Southwest
Tue 5/519:35
ORD
-
SFO
2 stops17h 30m
Southwest
Deal found 1/4₹ 24,969
Tue 5/514:57
SFO
-
ORD
1 stop7h 01m
Delta
Mon 11/506:24
ORD
-
SFO
1 stop6h 53m
Delta
Deal found 31/3₹ 25,249
Wed 6/511:25
SFO
-
ORD
2 stops9h 30m
Southwest
Sat 9/507:00
ORD
-
SFO
1 stop6h 50m
Southwest
Deal found 30/3₹ 25,342
Tue 28/410:30
SFO
-
ORD
2 stops10h 25m
Southwest
Tue 12/507:45
ORD
-
SFO
2 stops12h 45m
Southwest
Deal found 31/3₹ 25,435
Wed 3/618:34
SFO
-
ORD
Nonstop4h 25m
United Airlines
Mon 8/622:45
ORD
-
SFO
Nonstop4h 57m
United Airlines
Deal found 1/4₹ 25,621

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 2 April 2026.

Round-trip from

₹ 23,665

One-way from

₹ 11,087

Popular in

November

Cheapest in

September

Average price

₹ 31,025
Frontier
  • Frontier
  • 15/4-16/4
  • 2 total stops
  • 21h 22m total
  • San Francisco to Chicago
Search Deals
United Airlines
  • United Airlines
  • 22/4
  • Nonstop
  • 4h 37m total
  • San Francisco to Chicago
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (₹ 581,436 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 69,063 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 2 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

Mon 4/5

13:25-23:55

2 stops8h 30m

Chicago O'Hare Intl

Tue 5/5

14:40-20:55

1 stop8h 15m

₹ 25,714

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 29/4

11:25-22:55

2 stops9h 30m

Chicago O'Hare Intl

Mon 4/5

19:35-11:05

2 stops17h 30m

₹ 26,739

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 9/5

13:50-22:20

1 stop6h 30m

Chicago O'Hare Intl

Mon 11/5

08:00-17:00

2 stops11h 00m

₹ 27,019

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 28/4

06:20-15:00

1 stop6h 40m

Chicago O'Hare Intl

Tue 5/5

10:30-19:05

2 stops10h 35m

₹ 27,019

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 29/5

13:25-23:55

2 stops8h 30m

Chicago O'Hare Intl

Sat 30/5

06:15-17:25

2 stops13h 10m

₹ 31,584
Fastest return journey

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 30/6

05:05-11:31

Nonstop4h 26m

Chicago O'Hare Intl

Mon 6/7

20:04-22:57

Nonstop4h 53m

₹ 33,913

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 12/5

10:05-22:55

2 stops10h 50m

Chicago O'Hare Intl

Thu 21/5

08:00-17:00

2 stops11h 00m

₹ 34,099

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sun 10/5

12:50-23:55

2 stops9h 05m

Chicago O'Hare Intl

Wed 13/5

14:40-20:55

1 stop8h 15m

₹ 35,497

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 30/4

23:56-06:20

Nonstop4h 24m

Chicago O'Hare Intl

Fri 8/5

12:05-15:00

Nonstop4h 55m

₹ 36,336

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 4/8

06:05-12:41

Nonstop4h 36m

Chicago O'Hare Intl

Mon 10/8

23:00-01:57

Nonstop4h 57m

₹ 38,665

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 13 March 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, April is the cheapest month in which you can book a flight from San Francisco to Chicago O'Hare Intl Airport (average of ₹ 10,714). Flying from San Francisco to Chicago O'Hare Intl Airport in November is currently the most expensive (average of ₹ 23,944). 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 2 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 65 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 United Airlines and Southwest fly from San Francisco to Chicago O'Hare Intl Airport in about 4h 28m. The time it takes to get you to your destination can typically vary by up to 5h 02m. 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: Finnair (100%), Asiana Airlines (91%), Fiji Airways (89%).

  • 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, April is the cheapest month in which you can book a flight from San Francisco to Chicago O'Hare Intl Airport (average of ₹ 10,714). Flying from San Francisco to Chicago O'Hare Intl Airport in November is currently the most expensive (average of ₹ 23,944). 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
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.

Can Cheapflights notify me if prices for flights from San Francisco to O'Hare Intl become cheaper?

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