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O'Hare Intl

Cheap flights from San Francisco Bay Area to O'Hare Intl (ORD)

SFO — ORD
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
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Find flight deals from San Francisco Bay Area to O'Hare Intl

Keep the following information in mind while searching for San Francisco Bay Area to O'Hare Intl flight deals. Data was last updated May 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$282
(Delta)

One-way from

$135
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$453
Provider with most accurate pricing for San Francisco-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Chicago (CHI) flights.
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From San Francisco Bay Area to Chicago O'Hare Intl
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One-way flight from San Francisco Bay Area to Chicago O'Hare Intl
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Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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Cheapflights Insights

Everything you need to know about your flight from San Francisco Bay Area to Chicago O'Hare Intl Airport

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

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco Bay Area to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Chicago O'Hare Intl Airport (average of $132). Flying from San Francisco Bay Area to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $975). 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 XIH to ORD?

Find hourly flight availability from San Francisco Bay Area 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 May 21, 2026.

A simple way to save on the total cost of your ticket is to fly from San Francisco Bay Area to Chicago O'Hare Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from San Francisco Bay Area to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to O'Hare Intl. Price data was last updated on May 16, 2026.

Travelers seeking maximum savings on their San Francisco Bay Area to Chicago O'Hare Intl Airport flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 May 21, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andUnited Airlines from San Francisco Bay Area to Chicago O'Hare Intl Airport to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,390 reviews

Food

7.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Alaska Airlines
7.9
Good
12,390 reviews
Alaska Airlines
7.9
Good
12,390 reviews

Food

7.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Southwest
7.9
Good
4,282 reviews
Alaska Airlines
7.9
Good
12,390 reviews

Food

7.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
United Airlines
7.4
Good
9,749 reviews
Alaska Airlines
7.9
Good
12,390 reviews

Food

7.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
American Airlines
7.1
Good
11,644 reviews
Alaska Airlines
7.9
Good
12,390 reviews

Food

7.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Frontier
5.7
Fair
2,945 reviews
Alaska Airlines
7.9
Good
12,390 reviews

Food

7.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area 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.

  • How long is the flight from San Francisco Bay Area to Chicago O'Hare Intl Airport?

    For as low as $344, Alaska Airlines can have you in Chicago O'Hare Intl Airport from San Francisco Bay Area in 4h 25m. Airlines will cover a distance of 1841 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $60. Frontier flights start at $76 while deals on JetBlue start at $96 one-way.

  • What are the most popular routes from San Francisco Bay Area to Chicago O'Hare Intl Airport?

    When deciding which route to take from San Francisco Bay Area to Chicago O'Hare Intl Airport consider San Francisco - Chicago O'Hare Intl, San Jose - Chicago O'Hare Intl or Oakland - Chicago O'Hare Intl as they are the most popular.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco Bay Area to Chicago O'Hare Intl Airport on time: ITA Airways (100%), Brussels Airlines (89%), Austrian Airlines (85%).

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

    The cheapest flight price from San Francisco Bay Area to Chicago O'Hare Intl Airport is $142. On average you can expect to pay $1,120. The most popular route, (San Francisco - Chicago O'Hare Intl), can usually be booked for $122.

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

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

  • How can I find direct flights from San Francisco Bay Area 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 Bay Area to O'Hare Intl.

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

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

    Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Chicago O'Hare Intl Airport (average of $132). Flying from San Francisco Bay Area to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $975). 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

Traveling 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
Rosemont
Schaumburg
Benton Harbor
Naperville
Delavan
Oakbrook Terrace
Lake Geneva
Gurnee
Downers Grove
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Warrenville
Great Lakes
Arlington Heights
Northbrook
Waukegan
Rockford

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Top 9 airlines flying from San Francisco Bay Area to O'Hare Intl

Discover the top 9 airlines that operate flights from San Francisco Bay Area to O'Hare Intl. 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 2,558,603 searches. Data last updated May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$97Average$230FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$108Average$217FlexibilityNo cancel feeOn-time85%
DeltaCheapest$122Average$365FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$130Average$282FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$179Average$385FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$185Average$384FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$200Average$403FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$207Average$456FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$224Average$321FlexibilityNo cancel feeOn-time62%

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