What are the cheapest airlines to fly from San Francisco Bay Area to Chicago one-way?

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $51. Southwest flights start at $99 while deals on United Airlines start at $99 one-way.

In terms of precipitation, rainfall in Chicago 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 when rainfall is around 1.7 in.

If weather is an important factor for your trip to Chicago, 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 most popular routes from San Francisco Bay Area to Chicago?

The most popular flight routes from San Francisco Bay Area to Chicago are San Francisco - Chicago O'Hare Intl, San Jose - Chicago O'Hare Intl and San Francisco - Chicago Midway.

What are the cheapest flights from San Francisco Bay Area to Chicago?

The cheapest flight price from San Francisco Bay Area to Chicago is $98. On average you can expect to pay $898. The most popular route, (San Francisco - Chicago O'Hare Intl), can usually be booked for $197.

What are the most reliable airlines from San Francisco Bay Area to Chicago?

No one likes to see their flight delayed. When booking a flight from San Francisco Bay Area to Chicago consider choosing Fiji Airways (100%), Asiana Airlines (85%) or Austrian Airlines (81%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from San Francisco Bay Area to Chicago?

American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from San Francisco Bay Area to Chicago.

How far in advance should I book a flight from San Francisco Bay Area to Chicago?

To save up to 99% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco Bay Area to Chicago from $397 1-2 weeks out and tickets from $583 for flights departing within the next 72 hours.

What is the cheapest month to fly from San Francisco Bay Area to Chicago?

The best pricing can be found in the month of February. Prices to Chicago from San Francisco Bay Area average $340. You can even find prices in February for less than $340, as users have found deals to Chicago from as low as $183. The month of December appears to be one of the more expensive times to travel to Chicago from San Francisco Bay Area. Flying in the targeted month can save you up to 28%.

How can I find direct flights from San Francisco Bay Area to Chicago?

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 Chicago.

Can I find deals for business class flights from San Francisco Bay Area to Chicago?

Yes. Cheapflights offers flight deals from San Francisco Bay Area to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$51+ Cheap Flights from San Francisco Bay Area to Chicago

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Cheap flight deals from San Francisco Bay Area to Chicago

Round-trip from	$203 (Frontier)
One-way from	$51 (Cheapflightsfares)
Popular in	December
Cheapest in	February
Average price	$366

From San Francisco Bay Area to Chicago (CHI)

Search Deals

One-way flight from San Francisco Bay Area to Chicago (CHI)

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from San Francisco Bay Area to Chicago

Cheapest flights from San Francisco Bay Area to Chicago
Explore the most affordable flight options available from San Francisco Bay Area to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Thu 9/410:19 amSFO - MDW

1 stop9h 39mFrontier

Sat 9/611:23 amMDW - SFO

2 stops11h 58mFrontier

Deal found 8/13

$203

Sun 9/2111:00 pmSFO - ORD

1 stop9h 31mFrontier

Wed 9/246:44 pmORD - SFO

2 stops16h 00mFrontier

Deal found 8/14

$203

Fri 9/1911:57 pmSFO - MDW

1 stop8h 31mFrontier

Mon 9/226:20 amMDW - SFO

1 stop17h 01mFrontier

Deal found 8/14

$204

Wed 10/2210:26 amSFO - ORD

1 stop11h 33mAlaska Airlines

Wed 11/59:20 amORD - SFO

1 stop14h 41mAlaska Airlines

Deal found 8/12

$204

Thu 9/185:45 amSFO - MDW

2 stops14h 13mFrontier

Fri 9/193:48 pmMDW - SFO

1 stop10h 28mFrontier

Deal found 8/14

$205

Thu 9/42:17 pmSFO - ORD

1 stop6h 58mMultiple Airlines

Wed 9/1011:15 amORD - SFO

1 stop12h 06mMultiple Airlines

Deal found 8/12

$205

Fri 9/266:30 amOAK - ORD

1 stop8h 29mSpirit Airlines

Tue 9/309:00 amORD - OAK

1 stop6h 34mSpirit Airlines

Deal found 8/12

$205

Thu 9/410:45 amSFO - MDW

1 stop27h 08mFrontier

Sun 9/76:20 amMDW - SFO

1 stop17h 01mFrontier

Deal found 8/14

$206

Sat 10/181:14 pmSFO - ORD

1 stop6h 55mFrontier

Mon 10/207:35 amORD - SFO

1 stop7h 09mFrontier

Deal found 8/11

$206

Wed 9/310:44 amOAK - ORD

2 stops16h 06mSpirit Airlines

Fri 9/56:05 pmORD - OAK

2 stops17h 56mSpirit Airlines

Deal found 8/13

$206

Mon 10/276:00 amSFO - MDW

Nonstop4h 05mSouthwest

Sat 11/158:15 amMDW - SFO

Nonstop4h 45mSouthwest

Deal found 8/13

$207

Tue 9/163:00 pmSFO - ORD

Nonstop4h 24mUnited Airlines

Fri 9/269:13 pmORD - SFO

Nonstop4h 46mUnited Airlines

Deal found 8/13

$207

Best flights from San Francisco Bay Area to Chicago
Discover carefully curated flight deals from San Francisco Bay Area to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Wed 9/106:30 amOAK - ORD

1 stop10h 21mSpirit Airlines

Thu 9/119:00 amORD - OAK

1 stop6h 34mSpirit Airlines

Deal found 8/13

$205

Sat 11/812:35 pmSFO - MDW

1 stop5h 50mSouthwest

Tue 11/118:15 amMDW - SFO

Nonstop4h 45mSouthwest

Deal found 8/11

$207

Thu 9/2511:00 pmSFO - ORD

Nonstop4h 13mUnited Airlines

Wed 10/16:15 amORD - SFO

Nonstop4h 38mUnited Airlines

Deal found 8/12

$207

Fri 10/248:44 amOAK - ORD

1 stop10h 10mMultiple Airlines

Mon 10/279:54 pmORD - OAK

1 stop11h 50mMultiple Airlines

Deal found 8/13

$208

Sat 10/251:30 pmSJC - ORD

1 stop8h 29mAlaska Airlines

Tue 10/289:20 amORD - SJC

1 stop7h 03mAlaska Airlines

Deal found 8/12

$239

Fri 10/3112:17 pmSJC - MDW

1 stop8h 21mFrontier

Sun 11/24:29 pmMDW - SJC

1 stop21h 03mFrontier

Deal found 8/13

$251

Fri 9/2610:30 pmSJC - MDW

1 stop9h 18mDelta

Sat 9/274:25 pmMDW - SJC

1 stop7h 58mDelta

Deal found 8/11

$257

Tue 9/26:00 amOAK - ORD

1 stop9h 15mSpirit Airlines

Thu 9/48:01 pmORD - OAK

2 stops16h 00mSpirit Airlines

Deal found 8/13

$205

Mon 11/176:10 amSFO - MDW

Nonstop4h 05mSouthwest

Wed 11/198:15 amMDW - SFO

Nonstop4h 45mSouthwest

Deal found 8/13

$207

Wed 10/297:00 amSFO - ORD

Nonstop4h 23mUnited Airlines

Sun 11/25:15 amORD - SFO

Nonstop4h 49mUnited Airlines

Deal found 8/13

$207

Thu 9/46:30 amOAK - RFD

1 stop10h 22mMultiple Airlines

Sun 9/79:16 pmRFD - OAK

2 stops14h 45mMultiple Airlines

Deal found 8/13

$221

Thu 9/186:30 amOAK - ORD

1 stop13h 02mSpirit Airlines

Tue 9/239:00 amORD - OAK

1 stop6h 34mSpirit Airlines

Deal found 8/12

$205

Last-minute flights from San Francisco Bay Area to Chicago
Discover last-minute flight deals from San Francisco Bay Area to Chicago. Data last updated August 14, 2025 and is based on user searches.

Tue 8/196:50 amSFO - ORD

1 stop12h 52mFrontier

Mon 8/259:45 pmORD - SFO

1 stop25h 36mFrontier

Deal found 8/12

$220

Tue 8/196:50 amSFO - ORD

1 stop12h 52mFrontier

Thu 8/287:00 amORD - SFO

1 stop7h 07mFrontier

Deal found 8/13

$222

Wed 8/206:50 amSFO - ORD

1 stop12h 52mFrontier

Thu 8/217:00 amORD - SFO

1 stop7h 07mFrontier

Deal found 8/12

$221

Thu 8/215:45 amSFO - ORD

1 stop13h 05mFrontier

Wed 8/277:20 amORD - SFO

1 stop17h 13mFrontier

Deal found 8/13

$209

Thu 8/215:45 amSFO - ORD

1 stop13h 05mMultiple Airlines

Wed 9/37:09 pmORD - SFO

2 stops23h 06mMultiple Airlines

Deal found 8/13

$214

Thu 8/215:45 amSFO - ORD

1 stop13h 05mFrontier

Fri 8/227:00 amORD - SFO

1 stop7h 07mFrontier

Deal found 8/13

$215

Thu 8/215:45 amSFO - ORD

1 stop13h 05mFrontier

Mon 8/259:45 pmORD - SFO

1 stop25h 36mFrontier

Deal found 8/12

$217

Fri 8/226:26 amSFO - ORD

1 stop16h 06mFrontier

Sun 8/249:45 pmORD - SFO

1 stop20h 59mFrontier

Deal found 8/14

$226

Fri 8/2212:01 pmSJC - ORD

1 stop10h 31mMultiple Airlines

Mon 8/256:00 amORD - SJC

1 stop7h 44mMultiple Airlines

Deal found 8/11

$243

Fri 8/229:21 amSFO - MDW

1 stop13h 03mFrontier

Mon 8/253:25 pmMDW - SFO

1 stop9h 25mFrontier

Deal found 8/13

$264

Sun 8/2410:29 pmSFO - ORD

1 stop10h 10mFrontier

Thu 8/287:00 amORD - SFO

1 stop7h 07mFrontier

Deal found 8/13

$225

Sun 8/2410:29 pmSFO - MDW

1 stop9h 39mFrontier

Mon 8/256:31 pmMDW - SFO

1 stop7h 48mFrontier

Deal found 8/13

$238

One-way flights from San Francisco Bay Area to Chicago
Search for one-way flight options from San Francisco Bay Area to Chicago. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Wed 9/176:30 amOAK - ORD

1 stop13h 02mSpirit Airlines

Deal found 8/13

$51

Wed 9/1010:56 amOAK - ORD

2 stops8h 36mSpirit Airlines

Deal found 8/14

$56

Wed 9/310:44 amOAK - ORD

2 stops16h 06mSpirit Airlines

Deal found 8/13

$58

Sat 9/66:30 amOAK - ORD

1 stop13h 02mSpirit Airlines

Deal found 8/13

$66

Tue 9/96:30 amOAK - ORD

2 stops9h 44mSpirit Airlines

Deal found 8/12

$77

Thu 9/252:39 pmOAK - MDW

1 stop28h 13mMultiple Airlines

Deal found 8/12

$78

Tue 9/26:00 amOAK - ORD

1 stop9h 15mSpirit Airlines

Deal found 8/13

$79

Sat 9/136:30 amOAK - ORD

1 stop13h 02mSpirit Airlines

Deal found 8/12

$80

Fri 9/266:30 amOAK - MDW

1 stop12h 22mMultiple Airlines

Deal found 8/12

$87

Tue 9/162:39 pmOAK - ORD

2 stops20h 30mSpirit Airlines

Deal found 8/14

$88

Tue 12/95:11 pmOAK - ORD

1 stop11h 14mSpirit Airlines

Deal found 8/13

$94

Wed 10/86:30 amSFO - MDW

Nonstop4h 05mSouthwest

Deal found 8/14

$99

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco Bay Area to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OaklandChicago

OAK - ORD

OAKORD

Oakland

Wed 9/10

6:30 am-6:51 pm

1 stop10h 21m

Chicago O'Hare Intl

Thu 9/11

9:00 am-1:34 pm

1 stop6h 34m

$205

OaklandChicago

OAK - ORD

OAKORD

Oakland

Tue 9/2

6:00 am-5:15 pm

1 stop9h 15m

Chicago O'Hare Intl

Thu 9/4

8:01 pm-10:01 am

2 stops16h 00m

$205

OaklandChicago

OAK - ORD

OAKORD

Oakland

Thu 9/18

6:30 am-9:32 pm

1 stop13h 02m

Chicago O'Hare Intl

Tue 9/23

9:00 am-1:34 pm

1 stop6h 34m

$205

OaklandChicago

OAK - ORD

OAKORD

Oakland

Fri 9/26

6:30 am-4:59 pm

1 stop8h 29m

Chicago O'Hare Intl

Tue 9/30

9:00 am-1:34 pm

1 stop6h 34m

$205

OaklandChicago

OAK - ORD

OAKORD

Oakland

Wed 9/3

10:44 am-4:50 am

2 stops16h 06m

Chicago O'Hare Intl

Fri 9/5

6:05 pm-10:01 am

2 stops17h 56m

$206

OaklandChicago

OAK - ORD

OAKORD

Oakland

Thu 9/25

6:30 am-9:32 pm

1 stop13h 02m

Chicago O'Hare Intl

Mon 9/29

9:00 am-1:34 pm

1 stop6h 34m

$206

San FranciscoChicago

SFO - MDW

SFOMDW

San Francisco

Sat 11/8

12:35 pm-8:25 pm

1 stop5h 50m

Chicago Midway

Tue 11/11

8:15 am-11:00 am

Nonstop4h 45m

$207

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 9/25

11:00 pm-5:13 am

Nonstop4h 13m

Chicago O'Hare Intl

Wed 10/1

6:15 am-8:53 am

Nonstop4h 38m

$207

San FranciscoChicago

SFO - MDW

SFOMDW

San Francisco

Mon 11/17

6:10 am-12:15 pm

Nonstop4h 05m

Chicago Midway

Wed 11/19

8:15 am-11:00 am

Nonstop4h 45m

$207

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 10/29

7:00 am-1:23 pm

Nonstop4h 23m

Chicago O'Hare Intl

Sun 11/2

5:15 am-8:04 am

Nonstop4h 49m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 60 results

...

Best time to book a flight from San Francisco Bay Area to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from San Francisco Bay Area 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 Bay Area to Chicago

What is the cheapest month to book a flight from San Francisco Bay Area to Chicago?

Currently, August is the cheapest month in which you can book a flight from San Francisco Bay Area to Chicago (average of $245). Flying from San Francisco Bay Area to Chicago 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 XIH to CHI?

When flying from San Francisco Bay Area to Chicago, 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 Bay Area to Chicago

The most flights from zzXIH to CHI are scheduled on a Thursday (94 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (34 on average).

Reviews of airlines servicing Chicago

See what other customers who have flown with Alaska Airlines, Southwest, and United Airlines from San Francisco Bay Area to Chicago have to say. Users have also rated airlines 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

4,244 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

8,916 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.

American Airlines

7.2

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.

Frontier

5.8

Fair

3,219 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 are the cheapest airlines to fly from San Francisco Bay Area to Chicago one-way?
To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $51. Southwest flights start at $99 while deals on United Airlines start at $99 one-way.
What are the most popular routes from San Francisco Bay Area to Chicago?
The most popular flight routes from San Francisco Bay Area to Chicago are San Francisco - Chicago O'Hare Intl, San Jose - Chicago O'Hare Intl and San Francisco - Chicago Midway.
What are the most reliable airlines from San Francisco Bay Area to Chicago?
No one likes to see their flight delayed. When booking a flight from San Francisco Bay Area to Chicago consider choosing Fiji Airways (100%), Asiana Airlines (85%) or Austrian Airlines (81%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from San Francisco Bay Area to Chicago?
The cheapest flight price from San Francisco Bay Area to Chicago is $98. On average you can expect to pay $898. The most popular route, (San Francisco - Chicago O'Hare Intl), can usually be booked for $197.
Can I find deals for flights from San Francisco Bay Area to Chicago that include hotel bookings?
Yes. In addition to deals on San Francisco Bay Area to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Francisco Bay Area to Chicago?
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 Chicago.
Can I find deals for business class flights from San Francisco Bay Area to Chicago?
Yes. Cheapflights offers flight deals from San Francisco Bay Area to Chicago 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?
Currently, August is the cheapest month in which you can book a flight from San Francisco Bay Area to Chicago (average of $245). Flying from San Francisco Bay Area to Chicago 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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Porter

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Top 8 airlines flying from San Francisco Bay Area to Chicago

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$98	Average$232	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$100	Average$219	FlexibilityNo cancel fee	On-time65%
Hawaiian Airlines	Cheapest$108	Average$288	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$128	Average$330	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$133	Average$380	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$138	Average$358	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$185	Average$411	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$197	Average$403	FlexibilityNo cancel fee	On-time71%

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$51+ Cheap flights from San Francisco Bay Area to Chicago (CHI)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco Bay Area to Chicago with Cheapflights

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Cheap flight deals from San Francisco Bay Area to Chicago

Keep the following information in mind while searching for San Francisco Bay Area to Chicago flight deals. Data was last updated August 14, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco Bay Area to Chicago

Cheapest flights from San Francisco Bay Area to ChicagoExplore the most affordable flight options available from San Francisco Bay Area to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from San Francisco Bay Area to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco Bay Area to Chicago that are best for you.

Best time to book a flight from San Francisco Bay Area to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from San Francisco Bay Area with our price prediction graph.

Cheapflights Insights

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

What is the cheapest month to book a flight from San Francisco Bay Area to Chicago?

What is the cheapest time of day to fly from XIH to CHI?

Find hourly flight availability from San Francisco Bay Area to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Weekly flight availability from San Francisco Bay Area to Chicago

Reviews of airlines servicing Chicago

See what other customers who have flown with Alaska Airlines, Southwest, and United Airlines from San Francisco Bay Area to Chicago have to say. Users have also rated airlines 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 Bay Area to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from San Francisco Bay Area to Chicago one-way?

What are the most popular routes from San Francisco Bay Area to Chicago?

What are the most reliable airlines from San Francisco Bay Area to Chicago?

What are the cheapest flights from San Francisco Bay Area to Chicago?

Can I find deals for flights from San Francisco Bay Area to Chicago that include hotel bookings?

How can I find direct flights from San Francisco Bay Area to Chicago?

Can I find deals for business class flights from San Francisco Bay Area to Chicago?

What is the cheapest month to book a flight from San Francisco Bay Area to Chicago?

Traveling to a place near Chicago?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco Bay Area to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from San Francisco Bay Area to Chicago

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Cheapest flights from San Francisco Bay Area to Chicago
Explore the most affordable flight options available from San Francisco Bay Area to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.