Cheap flights from Chicago to San Francisco
Flights overview
Prices shown are for one adult in Economy class flights from Zürich to New York. This includes the cheapest Business class options where available.
Prices reflect the lowest available in the next three months, though they are subject to change and availability.
Last-minute deals apply to the cheapest weekend trips available in the next seven days, with weekend trips being flights departing between Thursday and Saturday and returning on Sunday or Monday.
Flight duration shown is based on nonstop flights or those with the fewest stops available.
Prices reflect the lowest available in the next three months, though they are subject to change and availability.
Last-minute deals apply to the cheapest weekend trips available in the next seven days, with weekend trips being flights departing between Thursday and Saturday and returning on Sunday or Monday.
Flight duration shown is based on nonstop flights or those with the fewest stops available.
Useful information for finding cheap flights from Chicago to San Francisco and booking your next trip
| Cheapest round-trip flights | HK$1,417 | Frontier1 stop7 hrThu, Jan 8 — Wed, Jan 14 | The cheapest round-trip flight from Chicago to San Francisco is currently HK$1,417 | |
|---|---|---|---|---|
| Cheapest one-way flight | HK$576 | Frontier1 stop12 hrWed, Feb 18 | The cheapest one-way flight from Chicago to San Francisco is currently HK$576 | |
| Cheapest nonstop flights | HK$1,837 | AmericanNonstop5 hrSat, Jan 17 — Sat, Jan 24 | The cheapest nonstop round-trip flight from Chicago to San Francisco is currently HK$1,837 | |
| Last-minute weekend getaway | HK$3,487 | Frontier1 stop10 hrThu, Dec 25 — Sun, Dec 28 | The cheapest last-minute weekend getaway from Chicago to San Francisco is currently HK$3,487 | |
| Cheapest business class flights | HK$5,712 | Alaska1 stop10 hrSat, Jan 31 — Sat, Feb 7 | The cheapest business class round-trip flight from Chicago to San Francisco is currently HK$5,712 |
| Fastest flight | 4 hr 35 min | The fastest nonstop flight from Chicago to San Francisco takes 4 hr 35 min |
|---|---|---|
| Nonstop flights | Every day | There are direct flights on this route every day. |
When is the cheapest time to fly?
Typical prices for the least expensive flights for 1-week trips from Chicago to San Francisco per month. Insights are based on fares observed in the last 12 months. Current prices may differ.
The cheapest month to fly from Chicago to San Francisco is typically January. The most expensive month to fly is typically December.
| January Cheapest | Typical prices: HK$1,150–2,250 |
|---|---|
| December Most expensive | Typical prices: HK$1,650–3,450 |
Popular airlines from Chicago to San Francisco
Popularity is based on the number of weekly nonstop and connecting flights the airline operates. Connecting flights do not include interline routes.
Flight suggestions are based on an airline's cheapest round-trip fares from Chicago to San Francisco in the next 3 months. Prices include required taxes + fees for one adult. Optional charges and bag fees may apply.
Typical prices are based on fares observed in the past year for one-week round trips with the same origin, destination, and airline.
- UnitedNonstopfrom HK$1,789Typical price: HK$1,600–3,65076 weekly nonstop flightsORD - SFOEvery day604 weekly connecting flightsORD - SFOEvery day
- SouthwestNonstopfrom HK$1,928Typical price: HK$2,000–3,9507 weekly nonstop flightsMDW - SFOEvery day2356 weekly connecting flightsMDW, ORD - SFOEvery day
- AmericanNonstopfrom HK$1,837Typical price: HK$1,650–4,00017 weekly nonstop flightsORD - SFOEvery day250 weekly connecting flightsORD - SFOEvery day
- Deltafrom HK$1,840Typical price: HK$1,950–4,600325 weekly connecting flightsMDW, ORD - SFOEvery day
- Alaskafrom HK$1,821Typical price: HK$2,000–4,40067 weekly connecting flightsORD - SFOEvery day
- Frontierfrom HK$1,284Typical price: HK$1,350–3,05048 weekly connecting flightsMDW, ORD - SFOEvery day
Popular airports near Chicago
Distance and driving time are relative to the city center. Airports are listed based on distance from Chicago center and popularity with travelers.
- Chicago O'Hare International Airport (ORD)ChicagoUnited States29 min25 km
- Chicago Midway International Airport (MDW)ChicagoUnited States25 min14 km
- Milwaukee Mitchell International Airport (MKE)MilwaukeeUnited States1 hr 27 min120 km
- Indianapolis International Airport (IND)IndianapolisUnited States2 hr 59 min265 km
Popular airports near San Francisco
Distance and driving time are relative to the city center. Airports are listed based on distance from San Francisco center and popularity with travelers.
- San Francisco International Airport (SFO)San FranciscoUnited States19 min17 km
- Oakland International Airport (OAK)OaklandUnited States27 min18 km
- Sacramento International Airport (SMF)SacramentoUnited States1 hr 34 min125 km
- San Jose Mineta International Airport (SJC)San JoseUnited States51 min62 km
Frequently asked questions about flying from Chicago to San Francisco
The cheapest flights from Chicago to San Francisco are usually in January. Typical ticket prices in January range from HK$1,150 to HK$2,250.
The cheapest round-trip flight from Chicago to San Francisco recently found on Google Flights was with Frontier from HK$1,417. The cheapest one-way flight was with Frontier from HK$576.
Some of the cheapest round-trip deals we found with different airlines:
Some of the cheapest round-trip deals we found with different airlines:
- The cheapest United flight from Chicago to San Francisco is HK$1,789, flying from Jan 17 to Jan 24.
- The cheapest Southwest flight from Chicago to San Francisco is HK$1,928, flying from Jan 17 to Jan 24.
- The cheapest American flight from Chicago to San Francisco is HK$1,837, flying from Jan 17 to Jan 24.
- The cheapest Delta flight from Chicago to San Francisco is HK$1,840, flying from Jan 24 to Jan 31.
- The cheapest Alaska flight from Chicago to San Francisco is HK$1,821, flying from Jan 24 to Jan 31.
- The cheapest Frontier flight from Chicago to San Francisco is HK$1,284, flying from Feb 21 to Mar 2.
The cheapest round-trip flight from Chicago to San Francisco starts at HK$1,417 from Thu, Jan 8 to Wed, Jan 14. The cheapest one-way flight starts at HK$576 and departs on Wed, Feb 18.
4 hr 35 min is the shortest flight time from Chicago to San Francisco.
Apr–Dec is when most people visit San Francisco, with crowds peaking in summer. Although average temperatures are higher then, mornings and evenings often have damp, chilly fog. In summer, street fairs and cultural institutions offer free outdoor entertainment. Winter visitors will find the opera and ballet seasons in full swing. Major annual events include Chinese New Year (Feb), Bay to Breakers footrace (May), San Francisco Pride parade and festival (Jun), and San Francisco Fleet Week (Oct).
It's easy to use Google Flights to find the cheapest days to fly from Chicago to San Francisco.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.
You can also turn on price tracking to get alerts if the price changes for a route or flight.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.
You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Chicago to San Francisco really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Chicago to San Francisco.
In terms of nonstop flights, United is the most popular. United offers 76 nonstop flights and 604 connecting flights per week. United flies from Chicago O'Hare International Airport (ORD) to San Francisco International Airport (SFO).
In terms of flights, Southwest is the most popular. Southwest offers 7 nonstop flights and 2,356 connecting flights per week. Southwest flies from Chicago Midway International Airport (MDW), Chicago O'Hare International Airport (ORD) to San Francisco International Airport (SFO).
Other popular airlines flying from Chicago to San Francisco are:
In terms of nonstop flights, United is the most popular. United offers 76 nonstop flights and 604 connecting flights per week. United flies from Chicago O'Hare International Airport (ORD) to San Francisco International Airport (SFO).
In terms of flights, Southwest is the most popular. Southwest offers 7 nonstop flights and 2,356 connecting flights per week. Southwest flies from Chicago Midway International Airport (MDW), Chicago O'Hare International Airport (ORD) to San Francisco International Airport (SFO).
Other popular airlines flying from Chicago to San Francisco are:
- American offers 17 nonstop flights and 250 connecting flights per week. American flies from Chicago O'Hare International Airport (ORD) to San Francisco International Airport (SFO).
- Delta offers 325 connecting flights per week. Delta flies from Chicago Midway International Airport (MDW), Chicago O'Hare International Airport (ORD) to San Francisco International Airport (SFO).
- Alaska offers 67 connecting flights per week. Alaska flies from Chicago O'Hare International Airport (ORD) to San Francisco International Airport (SFO).
- Frontier offers 48 connecting flights per week. Frontier flies from Chicago Midway International Airport (MDW), Chicago O'Hare International Airport (ORD) to San Francisco International Airport (SFO).
The cheapest round-trip flight from Chicago to San Francisco recently found on Google Flights was with Frontier from HK$1,417. The cheapest one-way flight was with Frontier from HK$576.
Some of the cheapest round-trip deals we found with different airlines:
Some of the cheapest round-trip deals we found with different airlines:
- The cheapest United flight from Chicago to San Francisco is HK$1,789, flying from Jan 17 to Jan 24.
- The cheapest Southwest flight from Chicago to San Francisco is HK$1,928, flying from Jan 17 to Jan 24.
- The cheapest American flight from Chicago to San Francisco is HK$1,837, flying from Jan 17 to Jan 24.
- The cheapest Delta flight from Chicago to San Francisco is HK$1,840, flying from Jan 24 to Jan 31.
- The cheapest Alaska flight from Chicago to San Francisco is HK$1,821, flying from Jan 24 to Jan 31.
- The cheapest Frontier flight from Chicago to San Francisco is HK$1,284, flying from Feb 21 to Mar 2.
Southwest, United and American fly direct from Chicago to San Francisco.
- There are 76 United direct flights from Chicago to San Francisco per week. Flights are available every day.
- There are 7 Southwest direct flights from Chicago to San Francisco per week. Flights are available every day.
- There are 17 American direct flights from Chicago to San Francisco per week. Flights are available every day.
The cheapest last-minute deal between Chicago and San Francisco at price HK$3,487 is offered by Frontier from Thu, Dec 25 to Sun, Dec 28.
Southwest, United and American fly direct from Chicago to San Francisco.
- There are 76 United direct flights from Chicago to San Francisco per week. Flights are available every day.
- There are 7 Southwest direct flights from Chicago to San Francisco per week. Flights are available every day.
- There are 17 American direct flights from Chicago to San Francisco per week. Flights are available every day.
There are direct flights from Chicago to San Francisco on a daily basis.
The cheapest direct (nonstop) round-trip flights between Chicago and San Francisco start at HK$1,837 from Sat, Jan 17 to Sat, Jan 24 with American.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Chicago to San Francisco, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Chicago and San Francisco start at HK$5,712 from Sat, Jan 31 to Sat, Feb 7 with Alaska.
The cheapest economy class round-trip flights between Chicago and San Francisco start at HK$1,417 from Thu, Jan 8 to Wed, Jan 14.
To book business class trips from Chicago to San Francisco, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.
You can also adjust the trip type to view one-way fares.
You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Chicago and San Francisco starts at HK$3,487 from Thu, Dec 25 to Sun, Dec 28 with Frontier.
The cheapest last-minute deal between Chicago and San Francisco at price HK$3,487 is offered by Frontier from Thu, Dec 25 to Sun, Dec 28.
To find last-minute flight deals from Chicago to San Francisco, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.
You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.
You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.
Search more flights
Popular trips from Chicago
These suggestions are based on the cheapest fares to popular destinations in the next six months.
Prices include required taxes + fees for 1 adult. Optional charges and bag fees may apply.
- MiamiHK$394Jan 12 — Jan 21Nonstop3 hr 17 minSpirit
- DublinHK$3,632May 4 — May 131 stop10 hr 55 minAir Canada, United
- PhoenixHK$452Jan 24 — Jan 31Nonstop4 hr 11 minFrontier
- LisbonHK$3,521Apr 13 — Apr 211 stop14 hr 20 minScandinavian Airlines
Find cheap flights from Chicago to anywhere
Find cheap flights on popular routes
Flights from Chicago to DenverFlights from Chicago to WashingtonFlights from Chicago to HoustonFlights from Chicago to PhoenixFlights from Chicago to DallasFlights from Chicago to Las VegasFlights from Chicago to OrlandoFlights from Chicago to NashvilleFlights from Chicago to Los AngelesFlights from Chicago to New YorkFlights from Chicago to BaltimoreFlights from Chicago to Austin