O'Hare Intl

$92+ Cheap flights from San Francisco Bay Area 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ORD
May 2 — May 91
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Cheap flight deals from San Francisco Bay Area to O'Hare Intl

Cheapest flights from San Francisco Bay Area to O'Hare Intl
Explore the most affordable flight options available from San Francisco Bay Area to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:56 am
SFO
-
ORD
1 stop9h 41m
Frontier
Wed 6/109:33 am
ORD
-
SFO
2 stops13h 48m
Frontier
Deal found 3/29$250
This CheapOair deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/199:35 pm
SFO
-
ORD
1 stop21h 18m
Frontier
Sun 6/286:55 am
ORD
-
SFO
1 stop14h 30m
Frontier
Deal found 3/30$251
This Frontier deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:23 pm
SFO
-
ORD
1 stop10h 31m
Frontier
Fri 4/175:59 am
ORD
-
SFO
1 stop13h 35m
Frontier
Deal found 3/28$252
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2311:52 pm
SFO
-
ORD
1 stop14h 18m
Frontier
Tue 6/306:55 am
ORD
-
SFO
1 stop14h 30m
Frontier
Deal found 3/28$253
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:16 pm
SFO
-
ORD
2 stops23h 08m
Multiple Airlines
Wed 6/246:55 am
ORD
-
SFO
1 stop14h 30m
Multiple Airlines
Deal found 3/28$254
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:15 am
SFO
-
ORD
1 stop9h 48m
Alaska Airlines
Sat 5/239:00 am
ORD
-
SFO
1 stop15h 23m
Alaska Airlines
Deal found 4/1$255
This CheapOair deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:19 pm
OAK
-
ORD
1 stop26h 24m
Alaska Airlines
Mon 5/117:59 pm
ORD
-
OAK
1 stop20h 39m
Alaska Airlines
Deal found 4/1$255
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:29 pm
SFO
-
ORD
1 stop9h 21m
Frontier
Tue 4/213:27 pm
ORD
-
SFO
2 stops24h 25m
Frontier
Deal found 3/29$256
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:55 am
SFO
-
ORD
1 stop8h 52m
Delta
Tue 6/97:35 am
ORD
-
SFO
1 stop7h 56m
Delta
Deal found 3/31$257
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:15 am
OAK
-
ORD
1 stop6h 35m
Southwest
Tue 4/284:50 pm
ORD
-
OAK
1 stop7h 45m
Southwest
Deal found 3/31$257
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2211:59 pm
SFO
-
ORD
1 stop14h 17m
Frontier
Thu 5/286:55 am
ORD
-
SFO
1 stop14h 39m
Frontier
Deal found 3/31$258
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:35 pm
SFO
-
ORD
1 stop21h 18m
Frontier
Sun 6/149:48 pm
ORD
-
SFO
1 stop25h 02m
Frontier
Deal found 3/31$259

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 April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$250
(Kiwi.com)

One-way from

$92
(CheapOair)

Popular in

March

Cheapest in

September

Average price

$333
Provider with most accurate pricing for San Francisco-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for San Francisco-Chicago (CHI) flights.
From San Francisco Bay Area to Chicago O'Hare Intl
One-way flight from San Francisco Bay Area to Chicago O'Hare Intl
Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area 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 2,558,603 searches. Data last updated April 2, 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Mon 4/20

11:52 pm-6:20 am

Nonstop4h 28m

Chicago O'Hare Intl

Mon 4/27

10:45 pm-1:35 am

Nonstop4h 50m

$265

San JoseChicago

SJC - ORD

SJCORD

San Jose

Mon 4/20

3:45 pm-12:29 am

1 stop6h 44m

Chicago O'Hare Intl

Thu 4/23

7:46 pm-10:41 pm

Nonstop4h 55m

$275

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 6/24

6:34 pm-12:59 am

Nonstop4h 25m

Chicago O'Hare Intl

Tue 6/30

9:35 pm-12:32 am

Nonstop4h 57m

$281

OaklandChicago

OAK - ORD

OAKORD

Oakland

Tue 4/28

6:20 am-4:56 pm

1 stop8h 36m

Chicago O'Hare Intl

Wed 4/29

3:52 pm-10:23 pm

1 stop8h 31m

$285

San JoseChicago

SJC - ORD

SJCORD

San Jose

Thu 4/23

10:10 am-9:18 pm

2 stops9h 08m

Chicago O'Hare Intl

Sat 4/25

5:15 am-1:18 pm

2 stops10h 03m

$296

San JoseChicago

SJC - ORD

SJCORD

San Jose

Mon 5/4

8:20 pm-10:09 am

2 stops11h 49m

Chicago O'Hare Intl

Tue 5/19

8:42 am-5:02 pm

2 stops10h 20m

$296
Quickest round-trip

San JoseChicago

SJC - ORD

SJCORD

San Jose

Sat 5/30

6:30 am-12:54 pm

Nonstop4h 24m

Chicago O'Hare Intl

Wed 6/3

7:45 pm-10:30 pm

Nonstop4h 45m

$302

OaklandChicago

OAK - ORD

OAKORD

Oakland

Thu 4/23

6:15 am-3:00 pm

1 stop6h 45m

Chicago O'Hare Intl

Mon 4/27

7:20 pm-12:05 am

1 stop6h 45m

$320

OaklandChicago

OAK - ORD

OAKORD

Oakland

Thu 5/7

8:25 am-6:35 pm

2 stops8h 10m

Chicago O'Hare Intl

Tue 5/12

7:45 am-3:00 pm

2 stops9h 15m

$331

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 8/5

12:50 am-7:16 am

Nonstop4h 26m

Chicago O'Hare Intl

Mon 8/10

11:00 pm-1:57 am

Nonstop4h 57m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San Francisco Bay Area to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

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

Currently, April is the cheapest month in which you can book a flight from San Francisco Bay Area to Chicago O'Hare Intl Airport (average of $120). Flying from San Francisco Bay Area to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $257). 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 April 2, 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 in the afternoon. If you’re flexible enough to do this you can expect to save up to 17% 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 March 28, 2026.

Travelers seeking maximum savings on their San Francisco Bay Area to Chicago O'Hare Intl Airport flight should consider departing on Saturday 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 Bay Area to Chicago O'Hare Intl Airport

Explore weekly flight availability from San Francisco Bay Area 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 April 2, 2026.

The most flights from zzXIH to ORD are scheduled on a Wednesday (88 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (54 on average).

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 April 2, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, 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.

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 $265, United Airlines can have you in Chicago O'Hare Intl Airport from San Francisco Bay Area in 4h 28m. 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?

  • 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: Finnair (100%), Asiana Airlines (91%), Fiji Airways (89%).

  • 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 $137. On average you can expect to pay $999. The most popular route, (San Francisco - Chicago O'Hare Intl), can usually be booked for $175.

  • 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, April is the cheapest month in which you can book a flight from San Francisco Bay Area to Chicago O'Hare Intl Airport (average of $120). Flying from San Francisco Bay Area to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $257). 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
Schaumburg
Rosemont
Gurnee
Naperville
Lake Geneva
Hoffman Estates
Delavan
Downers Grove
Des Plaines
Elgin
Oakbrook Terrace
South Holland
Elk Grove Village
Libertyville
Warrenville
Oak Brook
Bridgeview
Beloit
Great Lakes
Lansing

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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 April 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$101Average$270FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$108Average$230FlexibilityNo cancel feeOn-time65%
FrontierCheapest$118Average$278FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$365FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$163Average$434FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$170Average$388FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$185Average$379FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$197Average$387FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$234Average$316FlexibilityNo cancel feeOn-time62%

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