Cheap Flights from Champaign (CMI) to San Francisco (SFO)

Popular airlines from Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard) to San Francisco Intl. Airport (SFO)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap Flights from Champaign to San Francisco (CMI-SFO)

Prices were available within the past 7 days and start at for one-way flights and ¥99,040 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines

Frequently asked questions

How much is a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to San Francisco Airport?
Round-trip journeys from CMI to SFO start from ¥99,040. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book today so you don’t miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from CMI to San Francisco Intl. Airport (SFO)?
The majority of flights can be canceled online, but each air carrier has a different set of terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Willard Airport to San Francisco Intl. Airport (SFO) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Willard Airport to San Francisco Intl. Airport (SFO) flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to SFO?
The flight time from Willard Airport to SFO is about 5 hours and 54 minutes. Put your earphones in, listen to your favorite podcast and your journey will whiz by.
How far is the flight from Willard Airport to San Francisco Intl. Airport (SFO)?
The flying distance from CMI to SFO is 3,000 kilometers. Sneak in a nap or finish that novel and the trip will zip by.
Which airlines fly direct from Willard Airport to San Francisco Airport?
If you want to fly straight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to San Francisco Airport, you’ll have to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports.
Are CMI to SFO flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Willard Airport to San Francisco Airport at the last minute could be your ticket to a cheap deal. However, you might miss out on a flight altogether! If you’d prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred carrier hasn’t released tickets yet, check back frequently as deals are updated all the time on Expedia.
*Available to Expedia members.