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Compare Cheap Flights from Chicago to San Francisco

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Round Trip Flights from Chicago to San Francisco

15 Jul
ORD
22 Jul
SFO
$ 208.96
15 Jul
ORD
22 Jul
SFO
$ 262.18
17 Jun
ORD
22 Jun
SFO
$ 276.93
17 Jun
ORD
22 Jun
SFO
$ 301.58
24 Jul
ORD
10 Aug
SFO
$ 462.44
24 Jul
ORD
03 Aug
SFO
$ 789.5
*Note: All fares are quoted in USD.

Last updated on Wednesday 04/29/2026 at 05:00 AM, the fares mentioned above are for flight tickets and inclusive of fuel surcharges, service fee and taxes. Based on historical data, these fares are subject to change without prior notice and cannot be guaranteed at the time of booking. Kindly go through our terms and conditions before booking.

Book Chicago To San Francisco Flights

San Francisco, a vibrant city in northern California and one of the most beautiful and iconic cities in America, is nestled next to the ocean. It is a gem because of its stunning beaches, museums, parks, and cafes. You can also hop on the famous cable car for a long, fascinating tour. 

The city is known for its iconic landmarks like the great Golden Gate Bridge and Alcatraz. People call it the jewel of Northern California due to the majestic destinations it has to offer for its visitors, like the twists and turns of Lombard Street, the "painted ladies" of Alamo Square Park, North Beach cafes, opulent hotels, and Pier 39's relaxing sea lions. San Francisco's glory does not stop here; this city is a technology hub that provides world-class shipping and financial services worldwide.

Many flights operate from Chicago daily. There are many options for non-stop flights between CHI and SFO that operate from Chicago O'Hare International Airport. Almost all major regional airlines operate on this route, including United, Alaska, American, and Southwest Airlines. San Francisco International Airport (SFO) serves the city of San Francisco with an average of 1056 flight operations daily. The best time to travel from Chicago to San Francisco is August to September; the weather is perfect for sightseeing, making everything more pleasant. Book cheap flights from Chicago to San Francisco with Packedbag and save big. For any queries, contact our 24/7 helpline number.
 

Finding Cheap Flights From Chicago To San Francisco : Frequently Asked Questions

* The mentioned flight facts are based on the last 3 months' data. Information regarding the highest and lowest booking months is based on the last 12 months' data.

Major Carriers Operating Flights From Chicago To San Francisco
Airline Cheapest Average

UNITED AIRLINES $159 $381

AMERICAN AIRLINES $159 $374

FRONTIER AIRLINES $128 $292

Low Cost Carriers Operating Flights From Chicago To San Francisco
Airline Cheapest Average

ALASKA AIRLINES $116 $353

FRONTIER AIRLINES $128 $292

AMERICAN AIRLINES $159 $374

Inspiration to Escape the Mundane

Check out exciting travel stories, travel guides and tips to inspire your next great adventure.

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Apr 29, 2026

U.S Based Airlines Expand Europe Network with 10 New Non-Stop Destinations

Summers are going to be more exciting for travelers as many US airlines have launched new flight routes to Europe. That?s not all, most of the flights will be nonstop, which means no more hassle planning. The United States has geared up for an upgraded transatlantic travel experience. Leading carriers like Delta Air Lines, United Airlines, and American Airlines are rolling out a wave of new non-stop routes connecting key US cities with some of Europe?s most exciting destinations.
Flights from chicago
Flights to san francisco