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Cheap flights from Chicago to San Francisco from ₹ 8,553

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
26 Jan — 2 Feb1
1 adult

The best prices from Chicago to San Francisco are usually found in April or September, booked 67 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Chicago to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to San Francisco (SFO). 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 21 January 2025.

Round-trip from

₹ 17,020

One-way from

₹ 8,553

Popular in

March

Cheapest in

April

Average price

₹ 27,302
Alaska Airlines
  • Alaska Airlines
  • 26/2-4/3
  • Nonstop
  • 9h 22m total
  • Chicago to San Francisco
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Alaska Airlines
  • Alaska Airlines
  • 5/3
  • Nonstop
  • 5h 10m total
  • Chicago to San Francisco
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in January 2025
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Find flight deals from Chicago to San Francisco

Cheapest flights from Chicago to San Francisco
Explore the most affordable flight options available from Chicago to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Wed 26/219:00ORD - SFO
Nonstop5h 10mAlaska Airlines
Tue 4/310:46SFO - ORD
Nonstop4h 12mAlaska Airlines
Deal found 20/1₹ 17,020
Wed 19/206:15ORD - SFO
2 stops10h 15mSouthwest
Sat 22/205:45SFO - ORD
1 stop6h 15mSouthwest
Deal found 20/1₹ 17,625
Fri 14/319:59ORD - SFO
1 stop18h 29mFrontier
Sun 16/323:52SFO - ORD
1 stop14h 39mFrontier
Deal found 20/1₹ 18,489
Thu 20/212:45ORD - SFO
Nonstop5h 00mUnited Airlines
Sun 23/223:55SFO - ORD
Nonstop4h 18mUnited Airlines
Deal found 21/1₹ 18,748
Mon 17/210:30ORD - SFO
1 stop10h 42mDelta
Mon 3/300:40SFO - ORD
1 stop6h 19mDelta
Deal found 20/1₹ 22,204
Fri 7/212:39ORD - SFO
Nonstop4h 49mAmerican Airlines
Tue 18/205:15SFO - ORD
Nonstop4h 06mAmerican Airlines
Deal found 19/1₹ 31,103
Thu 19/620:10ORD - SFO
1 stop13h 58mSun Country Air
Thu 26/609:04SFO - ORD
1 stop8h 07mSun Country Air
Deal found 20/1₹ 33,263

Find flights from Chicago to San Francisco within your budget

Customise your flight search to find flights from Chicago to San Francisco 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 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 26/2

19:00-22:10

Nonstop5h 10m

San Francisco

Tue 4/3

10:46-16:58

Nonstop4h 12m

₹ 17,020

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 19/2

06:15-14:30

2 stops10h 15m

San Francisco

Sat 22/2

05:45-14:00

1 stop6h 15m

₹ 17,625

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 14/3

19:59-12:28

1 stop18h 29m

San Francisco

Sun 16/3

23:52-16:31

1 stop14h 39m

₹ 18,489

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 20/2

12:45-15:45

Nonstop5h 00m

San Francisco

Sun 23/2

23:55-06:13

Nonstop4h 18m

₹ 18,748

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 17/2

10:30-19:12

1 stop10h 42m

San Francisco

Tue 4/3

10:15-18:23

1 stop6h 08m

₹ 22,204

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 7/2

12:39-15:28

Nonstop4h 49m

San Francisco

Tue 18/2

05:15-11:21

Nonstop4h 06m

₹ 31,103

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 19/6

20:10-08:08

1 stop13h 58m

San Francisco

Thu 26/6

09:04-19:11

1 stop8h 07m

₹ 33,263

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 5/3

19:00-22:10

Nonstop5h 10m

₹ 8,553

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 1/4

14:50-22:15

2 stops9h 25m

₹ 9,849

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 18/3

07:45-12:39

1 stop6h 54m

₹ 11,145

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 12 results
1
2

Best time to book a flight from Chicago to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Chicago 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 Chicago to San Francisco

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

How far ahead should I book a flight from Chicago to San Francisco?

Use this chart to determine the optimal time to book a return flight from Chicago to San Francisco. Price data was last updated on 17 January 2025.

The price you pay for your flight from Chicago to San Francisco 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 Chicago to San Francisco?

Currently, October is the cheapest month in which you can book a flight from Chicago to San Francisco (average of ₹ 991). Flying from Chicago to San Francisco in July is currently the most expensive (average of ₹ 1,442). 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 CHI to SFO?

Find hourly flight availability from Chicago to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2025.

When flying from Chicago to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 38% versus a flight in the afternoon.

Weekly flight availability from Chicago to San Francisco

Explore weekly flight availability from Chicago to San Francisco. 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 21 January 2025.

The most flights from CHI to SFO are scheduled on a Thursday (54 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (39 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated 21 January 2025.
To help decide which airline to fly from Chicago to San Francisco, see what other customers have to say about Alaska Airlines, Southwest and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,659 reviews
Check prices

Food

7.2

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very Good
4,659 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Food

7.2

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very Good
9,696 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Food

7.2

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very Good
8,521 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Food

7.2

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
8,982 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Food

7.2

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Food

7.2

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Related info for your journey

Find useful and relevant information for your journey from Chicago to San Francisco. 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 into for flights to San Francisco from Chicago?

    San Francisco (SFO), located 19.0 km from the city centre, is the airport you fly into when you book flights from Chicago to San Francisco. 3 airlines have flights to San Francisco from Chicago on a regular basis. Booking flights from Chicago to San Francisco should not be difficult; the airport handles an average of 48 inbound flights from Chicago per day.

  • What are the cheapest airlines flying from Chicago to San Francisco round-trip?

    Currently priced at ₹ 17,020, Alaska Airlines will fly you from Chicago to San Francisco and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Frontier - these airlines can fly you to your destination from ₹ 17,625 and ₹ 18,489, respectively. You may be able to fly from Chicago to San Francisco for 38% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Chicago to San Francisco one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at ₹ 8,553. Southwest flights start at ₹ 9,849 while deals on United Airlines start at ₹ 10,281 one-way.

  • What are the most reliable airlines from Chicago to San Francisco?

    Before booking your flight to San Francisco from Chicago, have a look at the most reliable airlines to get you to your destination on time: Air China (100%), ANA (93%), Asiana Airlines( 83%).

  • Can I find deals for flights from Chicago to San Francisco that include hotel bookings?

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

  • How can I find direct flights from Chicago to San Francisco?

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

  • Can I find deals for business class flights from Chicago to San Francisco?

    Yes. Cheapflights offers flight deals from Chicago to San Francisco 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 Chicago to San Francisco?

    Currently, October is the cheapest month in which you can book a flight from Chicago to San Francisco (average of ₹ 991). Flying from Chicago to San Francisco in July is currently the most expensive (average of ₹ 1,442). 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?

Book flights to Chicago if you plan to visit one of these locations
San Bruno
Half Moon Bay
Fairfield
Daly City

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Alternative routes for Chicago to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to San Francisco flights

Top 3 airlines flying from Chicago to San Francisco

Discover the top 3 airlines that operate flights from Chicago to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest₹ 12,655Average₹ 28,012FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapest₹ 19,710Average₹ 21,519FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest₹ 26,693Average₹ 38,270FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chicago to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Chicago to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Chicago to San Francisco?

Cheapflights simply makes it quick and affordable to book flights from Chicago to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Chicago to San Francisco with no change fees?

Certainly. Search results for flights to San Francisco from Chicago shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Chicago to San Francisco become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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