365 € Cheap Flights from San Francisco International to Champaign

Compare San Francisco International to Champaign flight deals

Find the cheapest month or even day of the year to fly to Champaign

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Flight deals from San Francisco International Airport to Champaign Airport

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Champaign? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Francisco International to Champaign

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Champaign flights are currently cheapest in May.

San Francisco International to Champaign: Alternative routes

Compare routes from San Francisco International to Champaign below. You may find an airport to fly into that's cheaper, faster, or easier than Champaign.

San Francisco to Champaign: Flight information

The things to know before you go.
Cheapest flight found365 €
Cheapest month to flyMay

Finding cheap flights from San Francisco International to Champaign: Frequently asked questions

The best price we found for a return flight from San Francisco International to Champaign is 365 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Francisco International to Champaign. But we found flights with one or more stops from 365 €.
As of March 2026, there are no flights flying from San Francisco International to Champaign.
The cheapest month to fly from San Francisco International to Champaign is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Champaign Airport on Friday, 15 May 2026.
No airlines currently offer direct flights between San Francisco International Airport and Champaign Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Champaign but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Champaign is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Champaign.

Travelling from San Francisco International Airport (SFO) to University of Illinois Willard Airport (CMI): what you need to know

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably board your SFO to CMI flight.

  • Travelling during a peak month like August? School holidays and other popular periods can mean longer lines at airport checkpoints. Be extra cautious and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • Opt for a stopover if you'd like to break up your flight. Simply deselect 'Direct flights only' to see your options for tickets from San Francisco International Airport to University of Illinois Willard Airport. O'Hare International Airport is a top stopover on the SFO to CMI route.

How to find the cheapest flights from San Francisco International Airport (SFO) to University of Illinois Willard Airport (CMI)

  • 256 € is currently the lowest price for a one-way San Francisco International Airport to University of Illinois Willard Airport flight. Return flights start at 365 €. These fares may change based on availability and demand.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from SFO to CMI if you book early. Airlines often offer some great early bird deals.

  • The 'Whole month' search function shows you the cheapest flights from San Francisco International Airport to University of Illinois Willard Airport across the entire month. It's an easy way to find a bargain if your travel plans aren't set in stone.

  • Picking up cheap flights from SFO to CMI is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as a new discounted fare appears.

  • Tailor your flights with filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from San Francisco International Airport to University of Illinois Willard Airport.

Handy information about San Francisco International Airport (SFO)

  • 77.36% of flights that depart San Francisco International Airport reach their destination on time.

  • To reach San Francisco International Airport from central San Francisco, it'll take around 20 minutes if you're going by car. This depends on traffic though. It's approximately 21 kilometres from the airport to the city centre.

  • You can expect a trip time of about 45 minutes on public transport.

  • Looking for a handy hotel close to SFO? If you're catching an early flight from San Francisco International Airport to University of Illinois Willard Airport, these stays will have you moments from your departure lounge:

Arriving at University of Illinois Willard Airport (CMI)

  • Once your San Francisco International Airport to University of Illinois Willard Airport flight has arrived, kick back at a hotel close by. Holiday Inn Champaign is a comfy option within easy reach of CMI.

  • Get your adventure underway by picking up an University of Illinois Willard Airport rental car. Grab a set of wheels from Avis, Alamo or Budget and explore beyond Champaign's main sights.

  • To lock in the best rate, book your ride from University of Illinois Willard Airport several weeks in advance. Rates typically rise as your departure date approaches.

Getting from University of Illinois Willard Airport (CMI) to central Champaign

  • The street address for CMI is One Airport Road.

  • University of Illinois Willard Airport to central Champaign has a drive time of around 15 minutes. It's approximately 11 kilometres away.

  • It typically takes 1 hour 20 minutes if you're travelling on public transport.

When to fly to University of Illinois Willard Airport (CMI)

  • It's time to pick your travel dates for your flight from San Francisco International Airport to University of Illinois Willard Airport. August is the busiest month to head to Champaign. If you like a more laid-back vibe, go in February.

  • The warmest month in Champaign is July, with temperatures ranging between 15ºC (59ºF) and 31ºC (88ºF). Lock in your flights from San Francisco International Airport to University of Illinois Willard Airport in this month if this is the type of weather you enjoy.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from SFO to CMI in January. Temperatures average between -11ºC (12ºF) and 5ºC (41ºF) then.

Explore more of United States

  • Chicago is just one of the many cities in United States waiting to be discovered once you've seen the sights of Champaign. Around 209 kilometres away to the north, its best attractions include Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • Around 451 kilometres east of Champaign, Columbus is another essential stop in United States. Experience the best of this destination with a visit to Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.