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

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.

What safety measures are being taken by airlines flying from Illinois to San Francisco to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines and Delta are some airlines that have done so. Some of the new policies that have been implemented to accommodate travelers flying from Illinois to San Francisco are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Illinois to San Francisco have flexible cancellations due to COVID-19?

United Airlines, American Airlines, and Alaska Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Illinois to San Francisco for under $100 on Cheapflights?

Yes, there are multiple flights from Illinois to San Francisco for under $100. The cheapest flight booked recently is on Frontier for just $85, but on average you can expect to pay $109.

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 $168.

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 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 Springfield Capital - San Francisco.

What are the cheapest Flights from Illinois to San Francisco?

On average you can expect to pay $605 for a flight from Illinois to San Francisco. The cheapest flight overall is $119 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at $116.

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 LOT (100%), ANA (100%) and SAS (97%).

How long is the flight from Illinois to San Francisco?

For as low as $339, United Airlines can have you in San Francisco from Illinois in 6h 39m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What is the cheapest airline to fly from Illinois to San Francisco round-trip?

According to our current data, Frontier ($85), offers the cheapest pricing from Illinois to San Francisco.

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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $44. Frontier is not the only option available. At the moment, Alaska Airlines is another option, for $79.