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Cheap flights from Illinois (IL) to San Francisco (SFO)

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How to find the cheapest flight from
Illinois to San Francisco (SFO)

How far in advance should I book a flight from Illinois to San Francisco?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 44 days in advance, which can save you up to 20% on flights from Illinois to San Francisco compared to booking the week you need them. Waiting 44 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $117. For sooner than that we have options available in the next 3 days from $137.

What is the cheapest month to fly from Illinois to San Francisco?

February can be a great time to fly to San Francisco from Illinois with a flight ticket averaging about $121. Cheapflights users have found deals in the month of February for as cheap as $61. The most expensive prices can be found in the month of April.

Cheap flights from Illinois to San Francisco in September, October 2020

The best prices found for Illinois to SFO flights for September, October
6 Oct - 14 Oct
$109pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
24 Oct - 28 Oct
$111pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
14 Oct - 20 Oct
$112pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

Illinois to San Francisco 2020 flight deals

Cheap flights to San Francisco from Illinois found for this year
6 Oct - 14 Oct
$109pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
24 Oct - 28 Oct
$111pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
14 Oct - 19 Oct
$112pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

Non-stop flights to San Francisco from Illinois

Save time with Illinois to San Francisco direct flight deals
12 Nov - 16 Nov
$151pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
17 Oct - 20 Oct
$152pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl
21 Oct - 24 Oct
$153pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Illinois to San Francisco

Late deals on round-trip flights to San Francisco from Illinois, departing today and this week
29 Sep - 2 Oct
$122pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
29 Sep - 3 Oct
$128pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
29 Sep - 30 Sep
$131pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to San Francisco from Illinois

The cheapest one-way flights from Illinois to San Francisco
8:45 am - 3:53 pm
Major Airline
1 Stop
9h 08m
ORD - SFO
Major Airline
$84
StudentUniverse
6:17 am - 4:38 am
Multiple Airlines
2 Stops
24h 21m
ORD - SFO
Multiple Airlines
$121
Kiwi.com
7:35 am - 1:21 pm
Delta
1 Stop
7h 46m
MDW - SFO
Delta
$123
Delta

Related info for your journey

Useful info, stats and facts about Illinois to San Francisco flights.

Flight FAQs

From Illinois to San Francisco

Are flight prices decreasing from Illinois to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Illinois and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Illinois to San Francisco for under $200 on Cheapflights?

Yes, there are multiple flights from Illinois to San Francisco for under $200. The cheapest flight booked recently is on Multiple Airlines for just $109, but on average you can expect to pay $125.

Are there nonstop flights from Illinois to San Francisco for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Illinois to San Francisco under $200. A good price for a nonstop flight from Illinois to San Francisco is less than $176.

Are there last-minute flights available from Illinois to San Francisco for under $200?

There are currently 20+ open flights from Illinois to San Francisco within the next 7 days for less than $200.

What days are nonstop flights available from Illinois to San Francisco?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

What are the most popular airlines that fly from Illinois to San Francisco?

Before booking your flight from Illinois to San Francisco check out the most popular airlines for this route: Major Airline, American Airlines or Alaska Airlines.

What are the most popular routes from Illinois to San Francisco?

The most popular route from Illinois to San Francisco is Chicago O'Hare Intl - San Francisco. You may also consider Chicago Midway - San Francisco or Bloomington-Normal - San Francisco.

What are the cheapest Flights from Illinois to San Francisco?

On average you can expect to pay $277 for a flight from Illinois to San Francisco. The cheapest flight overall is $129 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at $102.

What are the most reliable airlines from Illinois to San Francisco?

The top 3 most reliable airlines when flying from Illinois to San Francisco are Qatar Airways (100%), LOT (100%) and Fiji Airways (100%).

How long is the flight from Illinois to San Francisco?

For as low as $287, Delta can have you in San Francisco from Illinois in 6h 47m.

What are the cheapest airlines to fly from Illinois to San Francisco one-way?

To fly one-way, consider booking your trip with Major Airline, which is currently one of the cheapest options available, starting at $84. Major Airline is not the only option available. At the moment, Delta is another option, for $101.

Arrival points for flights from Illinois to San Francisco

Destination information for San Francisco

Things to know before you go. Useful info for your trip from Illinois to San Francisco
Average temperature for September in San Francisco
77.0 °F
Avg rainfall for September in San Francisco
0.1 ″

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Airports servicing San Francisco

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