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Cheap flights from Chicago to San Francisco from ₹ 8,623

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
24 Apr — 1 May1
1 adult

Cheapflights Tip: The best prices from Chicago to San Francisco are usually found in September or February, booked 83 days in advance, depart on a Thursday or Wednesday and return on a Monday

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 19 April 2025.

Round-trip from

₹ 17,672

One-way from

₹ 8,623

Popular in

December

Cheapest in

September

Average price

₹ 24,673

Good round-trip deal

₹ 22,792 or less

Good one-way deal

₹ 10,973 or less
Alaska Airlines
  • Alaska Airlines
  • 16/5-20/5
  • Nonstop
  • 9h 16m total
  • Chicago to San Francisco
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Frontier
  • Frontier
  • 29/5
  • 1 total stop
  • 16h 22m total
  • Chicago to San Francisco
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (₹ 181,554 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (₹ 39,989 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Chicago (CHI) to San Francisco.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to San Francisco.
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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 19 April 2025.

Fri 16/521:05ORD - SFO
Nonstop4h 54mUnited Airlines
Tue 20/506:45SFO - ORD
Nonstop4h 18mUnited Airlines
Deal found 17/4₹ 17,672
Fri 30/519:59ORD - SFO
Nonstop4h 50mAlaska Airlines
Sun 1/619:55SFO - ORD
1 stop7h 45mAlaska Airlines
Deal found 19/4₹ 17,758
Fri 16/519:59ORD - SFO
Nonstop4h 50mHawaiian Airlines
Mon 19/512:33SFO - ORD
Nonstop4h 26mHawaiian Airlines
Deal found 19/4₹ 18,526
Tue 15/718:55ORD - SFO
1 stop6h 35mSouthwest
Tue 29/722:45SFO - ORD
1 stop12h 00mSouthwest
Deal found 18/4₹ 18,953
Fri 20/606:45ORD - SFO
Nonstop4h 38mAmerican Airlines
Sun 20/723:47SFO - ORD
Nonstop4h 18mAmerican Airlines
Deal found 19/4₹ 21,685
Thu 19/614:00ORD - SFO
1 stop10h 33mDelta
Sat 28/622:43SFO - ORD
1 stop9h 20mDelta
Deal found 19/4₹ 21,941
Sun 20/714:30ORD - SFO
1 stop19h 38mSun Country Air
Sat 26/723:59SFO - ORD
1 stop15h 16mSun Country Air
Deal found 18/4₹ 28,600

Cheapflights Fare Finder

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 19 April 2025.
Use the filters below to find and compare flights from Chicago to San Francisco that are best for you.

Fly from

Chicago

Fly to

San Francisco

Route

Depart

Return

Price

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 16/5

19:59-22:49

Nonstop4h 50m

San Francisco

Tue 20/5

12:33-18:59

Nonstop4h 26m

₹ 17,672

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 15/7

18:55-23:30

1 stop6h 35m

San Francisco

Tue 29/7

22:45-12:45

1 stop12h 00m

₹ 18,953

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 17/5

19:59-22:49

Nonstop4h 50m

San Francisco

Tue 27/5

18:49-05:40

1 stop8h 51m

₹ 19,380

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 28/6

16:50-19:36

Nonstop4h 46m

San Francisco

Wed 9/7

23:55-06:15

Nonstop4h 20m

₹ 19,636

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 20/6

06:45-09:23

Nonstop4h 38m

San Francisco

Sun 20/7

23:47-06:05

Nonstop4h 18m

₹ 21,685

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 19/6

14:00-22:33

1 stop10h 33m

San Francisco

Sat 28/6

22:43-10:03

1 stop9h 20m

₹ 21,941

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sun 20/7

14:30-08:08

1 stop19h 38m

San Francisco

Sat 26/7

23:59-17:15

1 stop15h 16m

₹ 28,600

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 29/5

22:02-12:24

1 stop16h 22m

₹ 8,623

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 31/5

19:59-22:49

Nonstop4h 50m

₹ 9,050

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 28/6

16:00-23:10

1 stop9h 10m

₹ 9,220

Flights are sorted by cheapest return flights first.

Deals found on 18/4

Showing 1-10 of 15 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.

Cheapflights Insights

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

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 18 April 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 83 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 ₹ 986). Flying from Chicago to San Francisco in July is currently the most expensive (average of ₹ 1,415). 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 19 April 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 54% 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 19 April 2025.

The most flights from CHI to SFO are scheduled on a Thursday (81 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (47 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 19 April 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 Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
9,892 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very Good
9,892 reviews
Alaska Airlines
8.0
Very Good
9,892 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very Good
4,282 reviews
Alaska Airlines
8.0
Very Good
9,892 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very Good
7,920 reviews
Alaska Airlines
8.0
Very Good
9,892 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,387 reviews
Alaska Airlines
8.0
Very Good
9,892 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very Good
9,892 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 58 inbound flights from Chicago per day.

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

    Currently priced at ₹ 17,672, 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 Hawaiian Airlines and Southwest - these airlines can fly you to your destination from ₹ 18,526 and ₹ 18,953, respectively. You may be able to fly from Chicago to San Francisco for 33% 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 Frontier, which is currently one of the cheapest options available, starting at ₹ 8,623. Alaska Airlines flights start at ₹ 9,050 while deals on Southwest start at ₹ 9,220 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: ANA (97%), Air China (94%), China Southern( 89%).

  • What are the cheapest flights from Chicago to San Francisco?

    On average you can expect to pay ₹ 23,144 for a flight from Chicago to San Francisco. The cheapest flight overall is ₹ 7,675 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at ₹ 16,306.

  • 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 ₹ 986). Flying from Chicago to San Francisco in July is currently the most expensive (average of ₹ 1,415). 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
Milpitas

Browse thousands of different options on Cheapflights for your next trip

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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 19 April 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest₹ 12,328Average₹ 21,264FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest₹ 13,109Average₹ 40,719FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest₹ 13,506Average₹ 26,227FlexibilityNo cancel feeOn-time75%
Search Alaska 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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