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Cheap flights from Chicago O'Hare Intl Airport to San Francisco from C$ 147

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SFO
16 Apr — 23 Apr1
1 adult

Cheapflights Tip: The best prices from Chicago O'Hare Intl to San Francisco are usually found in April or September, booked 53 days in advance, depart on a Tuesday or Thursday and return on a Friday

Cheap flight deals from O'Hare Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 11 April 2025.

Round-trip from

C$ 291

One-way from

C$ 147

Popular in

March

Cheapest in

April

Average price

C$ 403
Alaska Airlines
  • Alaska Airlines
  • 5/5-7/5
  • Nonstop
  • 9h 31m total
  • Chicago to San Francisco
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Frontier
  • Frontier
  • 17/4
  • 1 total stop
  • 29h 24m total
  • Chicago to San Francisco
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from O'Hare Intl to San Francisco

Cheapest flights from O'Hare Intl to San Francisco
Explore the most affordable flight options available from O'Hare Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 April 2025.

Mon 5/56:58 p.m.ORD - SFO
Nonstop4h 59mAlaska Airlines
Wed 7/511:48 a.m.SFO - ORD
Nonstop4h 32mAlaska Airlines
Deal found 10/4C$ 291
Thu 29/57:59 p.m.ORD - SFO
Nonstop4h 50mHawaiian Airlines
Wed 4/67:00 a.m.SFO - ORD
1 stop8h 02mHawaiian Airlines
Deal found 10/4C$ 292
Tue 22/411:57 a.m.ORD - SFO
1 stop12h 34mFrontier
Wed 23/412:11 a.m.SFO - ORD
1 stop12h 45mFrontier
Deal found 10/4C$ 293
Sat 3/56:15 a.m.ORD - SFO
2 stops10h 05mSouthwest
Wed 7/56:00 a.m.SFO - ORD
1 stop8h 45mSouthwest
Deal found 9/4C$ 312
Wed 21/510:35 a.m.ORD - SFO
Nonstop4h 58mUnited Airlines
Wed 21/510:50 p.m.SFO - ORD
Nonstop4h 21mUnited Airlines
Deal found 10/4C$ 322
Fri 23/57:15 p.m.ORD - SFO
1 stop7h 06mDelta
Tue 27/51:45 p.m.SFO - ORD
1 stop5h 55mDelta
Deal found 11/4C$ 361
Thu 25/98:12 p.m.ORD - SFO
1 stop23h 06mSun Country Air
Sun 28/96:03 p.m.SFO - ORD
1 stop22h 30mSun Country Air
Deal found 9/4C$ 372
Tue 22/48:15 p.m.ORD - SFO
Nonstop4h 54mAmerican Airlines
Thu 24/42:45 p.m.SFO - ORD
Nonstop4h 19mAmerican Airlines
Deal found 10/4C$ 503

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl 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 629,999 searches. Data last updated 11 April 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Francisco that are best for you.

Fly from

O'Hare Intl

Fly to

San Francisco

Route

Depart

Return

Price

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 5/5

6:58 p.m.-9:57 p.m.

Nonstop4h 59m

San Francisco

Wed 7/5

11:48 a.m.-6:20 p.m.

Nonstop4h 32m

C$ 291

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 29/5

7:59 p.m.-10:49 p.m.

Nonstop4h 50m

San Francisco

Wed 4/6

7:00 a.m.-5:02 p.m.

1 stop8h 02m

C$ 292

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 22/4

11:57 a.m.-10:31 p.m.

1 stop12h 34m

San Francisco

Wed 23/4

12:11 a.m.-2:56 p.m.

1 stop12h 45m

C$ 293

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 3/5

6:15 a.m.-2:20 p.m.

2 stops10h 05m

San Francisco

Wed 7/5

6:00 a.m.-4:45 p.m.

1 stop8h 45m

C$ 312

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 21/5

10:35 a.m.-1:33 p.m.

Nonstop4h 58m

San Francisco

Wed 21/5

10:50 p.m.-5:11 a.m.

Nonstop4h 21m

C$ 322

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 23/5

7:15 p.m.-12:21 a.m.

1 stop7h 06m

San Francisco

Tue 27/5

1:45 p.m.-9:40 p.m.

1 stop5h 55m

C$ 361

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 25/9

8:12 p.m.-5:18 p.m.

1 stop23h 06m

San Francisco

Sun 28/9

6:03 p.m.-6:33 p.m.

1 stop22h 30m

C$ 372

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 22/4

8:15 p.m.-11:09 p.m.

Nonstop4h 54m

San Francisco

Thu 24/4

2:45 p.m.-9:04 p.m.

Nonstop4h 19m

C$ 503

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 17/4

5:23 p.m.-8:47 p.m.

1 stop29h 24m

C$ 147

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 3/6

6:55 p.m.-11:20 p.m.

1 stop6h 25m

C$ 152

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Showing 1-10 of 14 results
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Best time to book a flight from O'Hare Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from O'Hare Intl with our price prediction graph.
Estimated round-trip 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 O'Hare Intl Airport to San Francisco

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to San Francisco. Price data was last updated on 4 April 2025.

The best time to book flights from Chicago O'Hare Intl Airport to San Francisco is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of C$ 276). Flying from Chicago O'Hare Intl Airport to San Francisco in June is currently the most expensive (average of C$ 379). 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 ORD to SFO?

Find hourly flight availability from O'Hare Intl 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 11 April 2025.

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to San Francisco is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 75% on airfare.

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

Explore weekly flight availability from O'Hare Intl 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 11 April 2025.

The most flights from ORD to SFO are scheduled on a Thursday (81 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (50 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 mm 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 11 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. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Entertainment

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
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Entertainment

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
4,279 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Entertainment

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
7,910 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Entertainment

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
2,366 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Entertainment

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
8,636 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Entertainment

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 O'Hare Intl 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 O'Hare Intl?

    If you book a flight to San Francisco from Chicago O'Hare Intl, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 19.0 km from the centre of San Francisco. There are 61 flights from Chicago O'Hare Intl to San Francisco per day from 2 different airlines.

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

    According to our current data, Alaska Airlines (C$ 291), Hawaiian Airlines (C$ 292), and Frontier (C$ 293) offers the cheapest pricing from Chicago O'Hare Intl Airport to San Francisco. These flights start at 36% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as C$ 147. Users have also found prices from C$ 152 and C$ 153 on Southwest and Hawaiian Airlines, respectively.

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

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to San Francisco are Air China (96%), ANA (90%) and British Airways (78%).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of C$ 276). Flying from Chicago O'Hare Intl Airport to San Francisco in June is currently the most expensive (average of C$ 379). 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
Richmond
San Ramon
Newark
Alameda
Burlingame
Redwood City
South San Francisco
San Bruno
Scotts Valley
Novato
Belmont
Millbrae
Santa Clara
Vallejo

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for O'Hare Intl to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights

Top 2 airlines flying from O'Hare Intl to San Francisco

Discover the top 2 airlines that operate flights from O'Hare Intl 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 629,999 searches. Data last updated 11 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 207AverageC$ 290FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
FrontierCheapestC$ 250AverageC$ 364FlexibilityNo cancel feeOn-time62%
Search Frontier flights

Fly with Cheapflights

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How does Cheapflights help users find flights from O'Hare Intl to San Francisco?

When you search for this flight from O'Hare Intl to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to San Francisco?

Cheapflights simply makes it quick and affordable to book flights from O'Hare Intl 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 O'Hare Intl to San Francisco with no change fees?

Certainly. Search results for flights to San Francisco from O'Hare Intl 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 O'Hare Intl to San Francisco become cheaper?

Of course! You can now track prices for flights from O'Hare Intl to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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