$348 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)

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

Prices were available within the past 7 days and start at $348 for one-way flights and $378 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines

Find the cheapest month to fly from Champaign (CMI) to San Francisco (SFO)

November is typically the cheapest month to fly

From $228 - $909 per traveler.

Frequently asked questions

How much does a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to San Francisco Intl. Airport (SFO) cost?
Get a cheap one-way flight from $348 or cheap return flight from $378 from University Of Illinois Urbana-Champaign Williard Airport (CMI) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to San Francisco Intl. Airport (SFO)?
October is the most affordable month to fly from CMI to SFO. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from University Of Illinois Urbana-Champaign Williard Airport (CMI) to San Francisco Intl. Airport (SFO)?
To find the cheapest airline flying from CMI to SFO, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to San Francisco Intl. Airport (SFO)?
You'll need to catch a flight with a layover when traveling from University Of Illinois Urbana-Champaign Williard Airport (CMI) to San Francisco Intl. Airport (SFO). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from CMI to SFO?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to San Francisco Intl. Airport (SFO)?
To touch down at San Francisco Intl. Airport (SFO) on schedule, select a flight that leaves University Of Illinois Urbana-Champaign Williard Airport (CMI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from University Of Illinois Urbana-Champaign Williard Airport (CMI) to San Francisco Intl. Airport (SFO) last-minute?
Waiting until right before your break to book a ticket from CMI to SFO often results in higher prices. While you might find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a CMI to SFO flight and hotel package?
Booking a CMI to SFO flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to San Francisco Intl. Airport (SFO)?
In most cases, you can modify or cancel your CMI to SFO flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like more information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
University Of Illinois Urbana-Champaign Williard
Destination airport
San Francisco Intl.
Airlines serving
American Airlines
Roundtrip price
$378
Distance
1833 mi

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