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Cheap flights from San Francisco to Chicago O'Hare Intl Airport from £86

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ORD
18 Dec — 25 Dec1
1 adult

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 858,648 searches. Data last updated 13 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 5/3

22:59-05:15

1 stop28h 16m

Chicago O'Hare Intl

Fri 7/3

08:50-22:59

1 stop16h 09m

£168

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 9/1

10:00-16:27

Nonstop4h 27m

Chicago O'Hare Intl

Mon 13/1

18:55-21:54

Nonstop4h 59m

£169

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sun 12/1

23:05-05:30

Nonstop4h 25m

Chicago O'Hare Intl

Sun 19/1

07:10-12:04

1 stop6h 54m

£171

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 5/3

10:46-16:58

Nonstop4h 12m

Chicago O'Hare Intl

Fri 7/3

08:50-22:59

1 stop16h 09m

£176

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 7/1

05:55-16:13

1 stop8h 18m

Chicago O'Hare Intl

Fri 10/1

07:15-15:47

1 stop10h 32m

£198

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 5/3

00:20-06:38

Nonstop4h 18m

Chicago O'Hare Intl

Fri 7/3

12:00-14:46

Nonstop4h 46m

£202

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 11/1

05:35-18:10

2 stops10h 35m

Chicago O'Hare Intl

Sat 18/1

06:15-15:45

1 stop11h 30m

£236

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 30/1

10:00-16:27

Nonstop4h 27m

£86

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Mon 10/3

16:15-00:23

1 stop6h 08m

£93

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 9/1

05:30-13:47

1 stop6h 17m

£101

Flights are sorted by cheapest return flights first.

Deals found on 12/12

Showing 1-10 of 14 results
1
2

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 13 December 2024.

Round-trip from

£168

One-way from

£86

Popular in

November

Cheapest in

January

Average price

£344
Frontier
  • Frontier
  • 5/3-7/3
  • 2 total stops
  • 44h 25m total
  • San Francisco to Chicago
Alaska Airlines
  • Alaska Airlines
  • 30/1
  • Nonstop
  • 4h 27m total
  • San Francisco to Chicago
High demand for flights, 8% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for round-trip flights in December 2024

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 13 December 2024.

Wed 25/1218:45SFO - ORD
Nonstop4h 26mUnited Airlines
Sun 5/122:00ORD - SFO
Nonstop4h 56mUnited Airlines
Deal found 12/12£192
Tue 31/1220:35SFO - ORD
1 stop6h 55mAlaska Airlines
Mon 6/118:55ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 12/12£199
Wed 25/1212:10SFO - ORD
1 stop9h 46mDelta
Wed 8/116:58ORD - SFO
1 stop8h 24mDelta
Deal found 13/12£209
Mon 16/1218:13SFO - ORD
1 stop14h 18mSun Country Air
Wed 18/1218:25ORD - SFO
1 stop19h 21mSun Country Air
Deal found 12/12£328
Tue 31/1206:40SFO - ORD
2 stops8h 05mSouthwest
Thu 2/119:10ORD - SFO
1 stop7h 25mSouthwest
Deal found 12/12£361

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 6 December 2024.

The best time to book flights from San Francisco to Chicago O'Hare Intl Airport is 77 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 San Francisco to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Chicago O'Hare Intl Airport (average of £595). Flying from San Francisco to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £775). 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 13 December 2024.

When flying from San Francisco to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 13 December 2024.

The most flights from SFO to ORD are scheduled on a Friday (62 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (34 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 13 December 2024.
See what other customers who have flown with Delta, Alaska Airlines and Southwest from San Francisco to Chicago have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
4,886 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Overall

8.1

Entertainment

7.7

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
4,886 reviews
8.1
Very Good
4,886 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Overall

8.1

Entertainment

7.7

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
9,531 reviews
8.1
Very Good
4,886 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Overall

8.1

Entertainment

7.7

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
8,635 reviews
8.1
Very Good
4,886 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Overall

8.1

Entertainment

7.7

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
3,294 reviews
8.1
Very Good
4,886 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Overall

8.1

Entertainment

7.7

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
9,100 reviews
8.1
Very Good
4,886 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Overall

8.1

Entertainment

7.7

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?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Chicago O'Hare Intl. On average, San Francisco has 46 outbound flights to Chicago O'Hare Intl per day from 0 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

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

    Frontier, at £168, was found to be the cheapest airline from San Francisco to Chicago O'Hare Intl Airport.Alternate airlines flying return to your destination include Alaska Airlines and United Airlines. Frontier is currently priced 43% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at £86. United Airlines flights start at £93 while deals on Delta start at £101 one-way.

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

    The top 3 most reliable airlines when flying from San Francisco to Chicago O'Hare Intl Airport are Asiana Airlines (93%), Iberia (92%) and United Airlines (89%).

  • What are the cheapest flights from San Francisco to Chicago O'Hare Intl Airport?

    Looking at all options, your cheapest flight can be booked for £83. While the most popular route (San Francisco - Chicago O'Hare Intl) can be booked for £137 on average our data indicates £385 when flying from San Francisco to Chicago O'Hare Intl Airport.

  • 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, January is the cheapest month in which you can book a flight from San Francisco to Chicago O'Hare Intl Airport (average of £595). Flying from San Francisco to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £775). 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

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Alternative routes for San Francisco to O'Hare Intl

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