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Cheap flights from San Francisco to Chicago O'Hare Intl Airport from $174

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ORD
22 Jan — 29 Jan1
1 adult

Cheap 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 17 January 2025.

Round-trip from

$317

One-way from

$174

Popular in

November

Cheapest in

January

Average price

$489
United Airlines
  • United Airlines
  • 25/2-25/3
  • Nonstop
  • 9h 26m total
  • San Francisco to Chicago
Alaska Airlines
  • Alaska Airlines
  • 11/2
  • 1 total stop
  • 7h 16m total
  • San Francisco to Chicago
High demand for flights, 9% potential price rise
Best time to find cheap flights, 1% potential price drop
Average for round-trip flights in January 2025

Find flight deals from San Francisco to O'Hare Intl

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 17 January 2025.

Tue 25/210:46SFO - ORD
Nonstop4h 12mAlaska Airlines
Tue 25/318:56ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 15/1$317
Wed 12/215:20SFO - ORD
1 stop6h 39mUnited Airlines
Sat 15/216:00ORD - SFO
Nonstop5h 00mUnited Airlines
Deal found 17/1$319
Mon 10/205:20SFO - ORD
Nonstop4h 16mAmerican Airlines
Wed 12/212:39ORD - SFO
Nonstop4h 49mAmerican Airlines
Deal found 16/1$336
Fri 21/200:40SFO - ORD
1 stop7h 48mDelta
Tue 25/210:10ORD - SFO
1 stop9h 56mDelta
Deal found 16/1$414
Fri 21/219:50SFO - ORD
1 stop12h 10mSouthwest
Mon 24/213:45ORD - SFO
2 stops11h 05mSouthwest
Deal found 15/1$454
Sun 1/609:10SFO - ORD
1 stop7h 59mSun Country Air
Sun 8/620:10ORD - SFO
1 stop13h 58mSun Country Air
Deal found 16/1$587

Find flights from San Francisco to O'Hare Intl within your budget

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 647,157 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 25/2

06:15-12:38

Nonstop4h 23m

Chicago O'Hare Intl

Tue 25/3

10:36-13:39

Nonstop5h 03m

$317

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 19/2

10:46-16:58

Nonstop4h 12m

Chicago O'Hare Intl

Thu 27/2

19:00-22:10

Nonstop5h 10m

$327

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Mon 10/2

05:20-11:36

Nonstop4h 16m

Chicago O'Hare Intl

Wed 12/2

12:39-15:28

Nonstop4h 49m

$336

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 21/2

00:40-10:28

1 stop7h 48m

Chicago O'Hare Intl

Tue 25/2

10:10-18:06

1 stop9h 56m

$414

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 21/2

19:50-10:00

1 stop12h 10m

Chicago O'Hare Intl

Mon 24/2

13:45-22:50

2 stops11h 05m

$454

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sun 1/6

09:10-19:09

1 stop7h 59m

Chicago O'Hare Intl

Sun 8/6

20:10-08:08

1 stop13h 58m

$587

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 11/2

14:43-23:59

1 stop7h 16m

$174

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 29/5

15:54-00:25

1 stop6h 31m

$192

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 20/2

00:40-08:59

1 stop6h 19m

$208

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 11/4

05:40-15:20

1 stop7h 40m

$224

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 12 results
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.

Travel insights for flights from San Francisco to O'Hare Intl

Get recent, data-driven insights about flights from San Francisco to O'Hare Intl including ideal travel times, pricing trends, and more.

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 10 January 2025.

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 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 17 January 2025.

It’s typically best to fly out from San Francisco to Chicago O'Hare Intl Airport in the afternoon. Doing so could potentially save you 65% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from San Francisco to Chicago O'Hare Intl Airport

Explore weekly flight availability from San Francisco to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 January 2025.

The most flights from SFO to ORD are scheduled on a Thursday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated 17 January 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, United Airlines and American Airlines from San Francisco to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
4,659 reviews

Overall

8.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.1
Very Good
4,659 reviews
8.1
Very Good
4,659 reviews

Overall

8.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.0
Very Good
9,684 reviews
8.1
Very Good
4,659 reviews

Overall

8.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.0
Very Good
8,513 reviews
8.1
Very Good
4,659 reviews

Overall

8.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

7.4
Good
8,969 reviews
8.1
Very Good
4,659 reviews

Overall

8.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

7.2
Good
10,000 reviews
8.1
Very Good
4,659 reviews

Overall

8.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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?

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from San Francisco; the airport handles an average of 41 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the San Francisco airport to Chicago O'Hare Intl. It is only a 19.0 km journey to San Francisco (SFO) from San Francisco’s city centre.

  • What are the cheapest airlines flying from San Francisco to Chicago O'Hare Intl Airport round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $317. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $319 and $336, respectively. These flights start at 48% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from San Francisco to Chicago O'Hare Intl Airport one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $174. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from San Francisco to Chicago O'Hare Intl Airport for a low price.

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

    Before booking your flight to Chicago O'Hare Intl Airport from San Francisco, have a look at the most reliable airlines to get you to your destination on time: China Southern (97%), Royal Jordanian (90%), Iberia( 90%).

  • 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.

See more FAQs

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Alternative routes for San Francisco to O'Hare Intl

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