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

According to our current data, American Airlines ($207), Southwest ($208), and Hawaiian Airlines ($215) offers the cheapest pricing from San Francisco to Chicago O'Hare Intl Airport. American Airlines is priced at 43% lower than the current average price of a flight leaving 3 months from now.

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

The cheapest airlines for a one-way flight from San Francisco to Chicago O'Hare Intl Airport are American Airlines ($101), Frontier ($104), and United Airlines ($109).

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 $98. While the most popular route (San Francisco - Chicago O'Hare Intl) can be booked for $188 on average our data indicates $1,096 when flying from San Francisco to Chicago O'Hare Intl Airport.

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

Before booking your flight to Chicago O'Hare Intl Airport from San Francisco, check out the most reliable airlines to get you to your destination on time: Fiji Airways (100%), Asiana Airlines (88%), China Southern( 82%).

What are the most popular airlines that fly from San Francisco to Chicago O'Hare Intl Airport?

When booking a flight from San Francisco to Chicago O'Hare Intl Airport, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.

What is the cheapest day to fly round-trip from San Francisco to Chicago O'Hare Intl Airport?

Travelers have found that booking a Tuesday departure is the best way to save up to 24% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

February is one of the best times of the year to fly to Chicago O'Hare Intl Airport from San Francisco. Prices for February average $339 per person but you can even find prices for as low as $183. The most expensive prices can be found in the month of December. Opting for a February flight can save you 27% on your journey compared to booking in December

What airport do you fly from for flights from San Francisco to Chicago O'Hare Intl?

If you book a flight to Chicago O'Hare Intl from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There are 77 flights from San Francisco to Chicago O'Hare Intl per day from 8 different airlines.

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 vacation 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.

$101+ Flights from San Francisco to Chicago O'Hare Intl Airport

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1. Tell us where you want to go

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2. Select your favorite providers

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Cheapflights Tip: The best prices from San Francisco to Chicago O'Hare Intl are usually found in January or April, booked 67 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from San Francisco to O'Hare Intl

Round-trip from	$207 (American Airlines)
One-way from	$101 (American Airlines)
Popular in	November
Cheapest in	January
Average price	$387
Good round-trip deal	$301 or less
Good one-way deal	$154 or less

From San Francisco to Chicago O'Hare Intl

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One-way flight from San Francisco to Chicago O'Hare Intl

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Highest demand for flights based on searches. 12% potential increase in price ($52 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from San Francisco to Chicago O'Hare Intl.

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Price to beat on a one-way flight from San Francisco to Chicago O'Hare Intl.

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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 July 28, 2025.

Tue 9/166:00 amSFO - ORD

Nonstop4h 18mAmerican Airlines

Fri 9/263:19 pmORD - SFO

Nonstop4h 42mAmerican Airlines

Deal found 7/27

$207

Tue 8/2612:45 pmSFO - ORD

1 stop7h 35mSouthwest

Sun 8/317:30 amORD - SFO

1 stop6h 25mSouthwest

Deal found 7/28

$208

Wed 11/127:00 amSFO - ORD

1 stop9h 59mHawaiian Airlines

Sat 11/152:54 pmORD - SFO

1 stop9h 01mHawaiian Airlines

Deal found 7/28

$215

Wed 10/810:26 amSFO - ORD

1 stop11h 33mAlaska Airlines

Wed 10/158:20 amORD - SFO

1 stop7h 41mAlaska Airlines

Deal found 7/26

$216

Sat 9/272:10 pmSFO - ORD

1 stop19h 38mFrontier

Wed 10/87:20 amORD - SFO

1 stop17h 07mFrontier

Deal found 7/26

$235

Tue 8/196:00 amSFO - ORD

1 stop8h 45mDelta

Wed 8/277:15 amORD - SFO

1 stop9h 12mDelta

Deal found 7/28

$257

Wed 8/1310:29 pmSFO - ORD

1 stop9h 56mMultiple Airlines

Tue 8/197:18 pmORD - SFO

Nonstop4h 48mMultiple Airlines

Deal found 7/26

$263

Best flights from San Francisco to O'Hare Intl
Discover carefully curated flight deals from San Francisco to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2025.

Tue 9/1612:47 amSFO - ORD

Nonstop4h 09mAmerican Airlines

Sun 9/216:45 amORD - SFO

Nonstop4h 39mAmerican Airlines

Deal found 7/27

$207

Tue 8/2612:45 pmSFO - ORD

1 stop7h 35mSouthwest

Sun 8/317:30 amORD - SFO

1 stop6h 25mSouthwest

Deal found 7/28

$208

Wed 11/127:00 amSFO - ORD

1 stop9h 59mHawaiian Airlines

Sat 11/152:54 pmORD - SFO

1 stop9h 01mHawaiian Airlines

Deal found 7/28

$215

Wed 10/810:26 amSFO - ORD

1 stop11h 33mAlaska Airlines

Wed 10/158:20 amORD - SFO

1 stop7h 41mAlaska Airlines

Deal found 7/26

$216

Sat 9/272:10 pmSFO - ORD

1 stop19h 38mFrontier

Wed 10/87:20 amORD - SFO

1 stop17h 07mFrontier

Deal found 7/26

$235

Thu 8/285:45 amSFO - ORD

1 stop21h 05mMultiple Airlines

Sun 8/317:25 amORD - SFO

1 stop7h 07mMultiple Airlines

Deal found 7/28

$250

Tue 8/1912:35 amSFO - ORD

1 stop5h 49mDelta

Tue 8/267:05 amORD - SFO

1 stop9h 19mDelta

Deal found 7/28

$257

Last-minute flights from San Francisco to O'Hare Intl
Discover last-minute flight deals from San Francisco to O'Hare Intl. Data last updated July 28, 2025 and is based on user searches.

Sat 8/212:50 amSFO - ORD

1 stop5h 35mDelta

Tue 8/127:15 amORD - SFO

1 stop7h 36mDelta

Deal found 7/27

$377

Tue 8/58:53 pmSFO - ORD

1 stop11h 21mMultiple Airlines

Tue 8/127:18 pmORD - SFO

Nonstop4h 48mMultiple Airlines

Deal found 7/27

$323

Wed 8/66:37 amSFO - ORD

1 stop15h 55mFrontier

Sat 8/91:39 pmORD - SFO

1 stop8h 00mFrontier

Deal found 7/25

$234

Wed 8/610:55 pmSFO - ORD

Nonstop4h 23mUnited Airlines

Wed 8/137:20 amORD - SFO

Nonstop4h 42mUnited Airlines

Deal found 7/28

$357

Thu 8/76:30 amSFO - ORD

1 stop8h 18mAmerican Airlines

Sat 8/166:45 amORD - SFO

Nonstop4h 33mAmerican Airlines

Deal found 7/26

$307

Thu 8/75:15 amSFO - ORD

2 stops8h 05mSouthwest

Sat 8/167:00 amORD - SFO

1 stop6h 20mSouthwest

Deal found 7/26

$362

Thu 8/711:55 amSFO - ORD

Nonstop4h 23mAlaska Airlines

Fri 8/157:18 pmORD - SFO

Nonstop4h 48mAlaska Airlines

Deal found 7/28

$397

Tue 8/196:10 amSFO - ORD

Nonstop4h 20mAmerican Airlines

Sun 8/246:45 amORD - SFO

Nonstop4h 30mAmerican Airlines

Deal found 7/26

$207

Tue 8/1912:35 amSFO - ORD

1 stop5h 49mDelta

Mon 8/253:50 pmORD - SFO

1 stop7h 39mDelta

Deal found 7/28

$257

Wed 8/208:00 amSFO - ORD

1 stop18h 50mMultiple Airlines

Mon 8/257:00 amORD - SFO

1 stop7h 07mMultiple Airlines

Deal found 7/26

$216

Wed 8/205:15 amSFO - ORD

Nonstop4h 31mUnited Airlines

Tue 8/267:43 pmORD - SFO

Nonstop4h 51mUnited Airlines

Deal found 7/25

$230

Tue 8/2612:45 pmSFO - ORD

1 stop7h 35mSouthwest

Sun 8/317:30 amORD - SFO

1 stop6h 25mSouthwest

Deal found 7/28

$208

One-way flights from San Francisco to O'Hare Intl
Search for one-way flight options from San Francisco to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated July 28, 2025.

Tue 10/2110:16 amSFO - ORD

Nonstop4h 27mAmerican Airlines

Deal found 7/27

$101

Wed 9/177:10 amSFO - ORD

1 stop12h 18mFrontier

Deal found 7/27

$104

Sun 8/2411:59 pmSFO - ORD

Nonstop4h 25mUnited Airlines

Deal found 7/27

$109

Thu 9/45:45 amSFO - ORD

1 stop21h 04mMultiple Airlines

Deal found 7/26

$110

Tue 10/2110:26 amSFO - ORD

1 stop11h 33mHawaiian Airlines

Deal found 7/27

$112

Wed 10/810:26 amSFO - ORD

1 stop11h 33mAlaska Airlines

Deal found 7/27

$114

Fri 8/221:40 pmSFO - ORD

1 stop6h 40mSouthwest

Deal found 7/27

$119

Mon 8/2512:35 amSFO - ORD

1 stop5h 49mDelta

Deal found 7/28

$129

Sat 9/2712:21 pmSFO - ORD

1 stop6h 15mSun Country Air

Deal found 7/26

$143

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 9/23

12:47 am-6:56 am

Nonstop4h 09m

Chicago O'Hare Intl

Sun 9/28

6:45 am-9:24 am

Nonstop4h 39m

$207

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 8/26

12:45 pm-10:20 pm

1 stop7h 35m

Chicago O'Hare Intl

Sun 8/31

7:30 am-11:55 am

1 stop6h 25m

$208

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 10/7

10:26 am-11:59 pm

1 stop11h 33m

Chicago O'Hare Intl

Wed 10/15

8:20 am-2:01 pm

1 stop7h 41m

$211

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 10/8

10:26 am-11:59 pm

1 stop11h 33m

Chicago O'Hare Intl

Tue 10/14

8:20 am-2:01 pm

1 stop7h 41m

$216

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 8/6

6:37 am-12:32 am

1 stop15h 55m

Chicago O'Hare Intl

Sat 8/9

1:39 pm-7:39 pm

1 stop8h 00m

$234

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 8/19

12:35 am-8:24 am

1 stop5h 49m

Chicago O'Hare Intl

Tue 8/26

7:05 am-2:24 pm

1 stop9h 19m

$257

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 8/13

10:29 pm-10:25 am

1 stop9h 56m

Chicago O'Hare Intl

Tue 8/19

7:18 pm-10:06 pm

Nonstop4h 48m

$263

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 10/21

10:16 am-4:43 pm

Nonstop4h 27m

$101

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 9/17

7:10 am-9:28 pm

1 stop12h 18m

$104

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sun 8/24

11:59 pm-6:24 am

Nonstop4h 25m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 16 results

The best insider tips for San Francisco to Chicago O'Hare Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Chicago O'Hare Intl Airport trip

Airlines

United Airlines

Basic Economy allows a personal item only; no carry-on bags unless exceptions apply.

Economy Plus offers extra legroom seats towards the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas

Alaska Airlines

Saver Fare allows a carry-on bag onboard, unlike many basic economy products.

Alaska's Wi-Fi is a flat fee, making it a bargain for longer flights.

Read more about Alaska Airlinesby Robert Schrader

Airports

SFO

Save time at SFO by using the AirTrain Red Line to quickly navigate between terminals and security checkpoints.

ORD

For a quick city transfer from ORD, consider taking the “L” train to avoid Chicago traffic delays.

Our travel experts

Harriet Baskas

Expert on United Airlines and SFO

Robert Schrader

Expert on Alaska Airlines

Ramsey Qubein

Expert on ORD

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 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 San Francisco to Chicago O'Hare Intl Airport

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

The price you pay for your flight from San Francisco to Chicago O'Hare Intl Airport 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 San Francisco to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from San Francisco to Chicago O'Hare Intl Airport (average of $245). Flying from San Francisco to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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?

One of the essential ways to save on airfare from San Francisco to Chicago O'Hare Intl Airport 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 13% on airfare.

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

Travelers seeking maximum savings on their San Francisco to Chicago O'Hare Intl Airport flight should consider departing on Wednesday afternoons 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.

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

The most flights from SFO to ORD are scheduled on a Monday (92 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (64 on average).

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with Alaska Airlines, Southwest, and Delta from San Francisco to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,238 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,975 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.8

Good

2,604 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,892 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What airport do you fly from for flights from San Francisco to Chicago O'Hare Intl?
If you book a flight to Chicago O'Hare Intl from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There are 77 flights from San Francisco to Chicago O'Hare Intl per day from 8 different airlines.
What are the cheapest airlines flying from San Francisco to Chicago O'Hare Intl Airport round-trip?
According to our current data, American Airlines ($207), Southwest ($208), and Hawaiian Airlines ($215) offers the cheapest pricing from San Francisco to Chicago O'Hare Intl Airport. American Airlines is priced at 43% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from San Francisco to Chicago O'Hare Intl Airport one-way?
The cheapest airlines for a one-way flight from San Francisco to Chicago O'Hare Intl Airport are American Airlines ($101), Frontier ($104), and United Airlines ($109).
What are the most reliable airlines from San Francisco to Chicago O'Hare Intl Airport?
Before booking your flight to Chicago O'Hare Intl Airport from San Francisco, check out the most reliable airlines to get you to your destination on time: Fiji Airways (100%), Asiana Airlines (88%), China Southern( 82%).
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 $98. While the most popular route (San Francisco - Chicago O'Hare Intl) can be booked for $188 on average our data indicates $1,096 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 vacation 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, August is the cheapest month in which you can book a flight from San Francisco to Chicago O'Hare Intl Airport (average of $245). Flying from San Francisco to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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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Top 8 airlines flying from San Francisco to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Hawaiian Airlines	Cheapest$108	Average$288	FlexibilityNo cancel fee	On-time85%
Frontier	Cheapest$126	Average$213	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$128	Average$288	FlexibilityNo cancel fee	On-timeN/A
Spirit Airlines	Cheapest$143	Average$221	FlexibilityNo cancel fee	On-time65%
Alaska Airlines	Cheapest$179	Average$333	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$185	Average$297	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$197	Average$351	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$204	Average$417	FlexibilityNo cancel fee	On-time69%

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$101+ Cheap flights from San Francisco (SFO) to O'Hare Intl (ORD)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to O'Hare Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Francisco to Chicago O'Hare Intl are usually found in January or April, booked 67 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from San Francisco to O'Hare Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from San Francisco to O'Hare Intl

Cheapest flights from San Francisco to O'Hare IntlExplore 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 July 28, 2025.

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 July 28, 2025.

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Best time to book a flight from San Francisco to O'Hare Intl

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

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 round-trip flight from San Francisco to O'Hare Intl. Price data was last updated on July 25, 2025.

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

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 July 28, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to O'Hare Intl. Price data was last updated on July 27, 2025.

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

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with Alaska Airlines, Southwest, and Delta from San Francisco to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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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 July 28, 2025.