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Champaign

$419+ Cheap flights from San Francisco to Champaign (SFO - CMI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CMI
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from San Francisco to Champaign

Cheapest flights from San Francisco to Champaign
Explore the most affordable flight options available from San Francisco to Champaign. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This American Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:07 pmSFO - CMI
1 stop6h 30mAmerican Airlines
Mon 1/52:57 pmCMI - SFO
2 stops9h 51mAmerican Airlines
Deal found 12/13$593
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:05 pmSFO - CMI
1 stop6h 32mAmerican Airlines
Fri 1/26:00 amCMI - SFO
1 stop7h 06mAmerican Airlines
Deal found 12/15$623
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:15 amSFO - CMI
2 stops10h 15mAmerican Airlines
Thu 12/2511:33 amCMI - SFO
1 stop6h 53mAmerican Airlines
Deal found 12/15$737
This American Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:15 amSFO - CMI
2 stops10h 15mAmerican Airlines
Wed 12/316:00 amCMI - SFO
1 stop7h 06mAmerican Airlines
Deal found 12/13$801
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/151:11 pmSFO - CMI
1 stop6h 19mAmerican Airlines
Wed 12/176:52 amCMI - SFO
1 stop8h 42mAmerican Airlines
Deal found 12/15$840

Find flight deals from San Francisco to Champaign

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Champaign (CMI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$419
(American Airlines)

Popular in

December

Cheapest in

June

Average price

$698
Provider with most accurate pricing for San Francisco-Champaign University-Willard flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Champaign University-Willard flights.
Search Deals
From San Francisco to Champaign University-Willard
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Champaign that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from San Francisco to Champaign that are best for you.

Fly from

San Francisco

Fly to

Champaign

Route

Depart

Return

Price

San FranciscoChampaign

SFO - CMI

SFOCMI

San Francisco

Fri 1/2

6:00 am-2:27 pm

1 stop6h 27m

Champaign University-Willard

Tue 1/6

11:21 am-8:10 pm

2 stops10h 49m

$419

San FranciscoChampaign

SFO - CMI

SFOCMI

San Francisco

Sat 12/27

12:07 pm-8:37 pm

1 stop6h 30m

Champaign University-Willard

Mon 1/5

2:57 pm-10:48 pm

2 stops9h 51m

$593

San FranciscoChampaign

SFO - CMI

SFOCMI

San Francisco

Mon 12/29

12:05 pm-8:37 pm

1 stop6h 32m

Champaign University-Willard

Fri 1/2

6:00 am-11:06 am

1 stop7h 06m

$623

San FranciscoChampaign

SFO - CMI

SFOCMI

San Francisco

Mon 1/5

12:05 pm-8:37 pm

1 stop6h 32m

Champaign University-Willard

Wed 1/7

3:45 pm-11:12 pm

1 stop9h 27m

$840

San FranciscoChampaign

SFO - CMI

SFOCMI

San Francisco

Sun 12/21

6:00 am-2:27 pm

1 stop6h 27m

$441

San FranciscoChampaign

SFO - CMI

SFOCMI

San Francisco

Sun 3/1

6:00 am-2:25 pm

1 stop6h 25m

$441

San FranciscoChampaign

SFO - CMI

SFOCMI

San Francisco

Mon 12/22

9:15 am-9:30 pm

2 stops10h 15m

$447

San FranciscoChampaign

SFO - CMI

SFOCMI

San Francisco

Sat 12/20

9:15 am-9:30 pm

2 stops10h 15m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Compare providers for flights from San Francisco to Champaign

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Champaign in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Champaign flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Francisco-Champaign flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Francisco-Champaign flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Champaign flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Champaign flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Champaign

Have a flexible travel schedule? Discover the best time to fly to Champaign from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Champaign

What is the cheapest month to book a flight from San Francisco to Champaign?

Currently, September is the cheapest month in which you can book a flight from San Francisco to Champaign (average of $380). Flying from San Francisco to Champaign in November is currently the most expensive (average of $535). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to CMI?

Find hourly flight availability from San Francisco to Champaign. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

It’s optimal to fly from San Francisco to Champaign in the evening. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from San Francisco to Champaign?

Reviews of airlines servicing Champaign

Get insights into the airlines that provide service to Champaign. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Champaign. Reviews last updated December 15, 2025.
Read through reviews of airlines operating flights from San Francisco to Champaign, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,051 reviews

Comfort

7.2

Food

6.5

Entertainment

6.9

Crew

8.0

Boarding

7.5

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,051 reviews
American Airlines
7.2
Good
11,051 reviews

Comfort

7.2

Food

6.5

Entertainment

6.9

Crew

8.0

Boarding

7.5

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Champaign. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Francisco to Champaign?

    Departing from San Francisco to Champaign will take you 6h 27m. The distance from San Francisco to Champaign is about 1831 mi.

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

    American Airlines, at $452, was found to be the cheapest airline from San Francisco to Champaign.. American Airlines is 25% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from San Francisco to Champaign that include hotel bookings?

    Yes. In addition to deals on San Francisco to Champaign flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Champaign?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Champaign.

  • Can I find deals for business class flights from San Francisco to Champaign?

    Yes. Cheapflights offers flight deals from San Francisco to Champaign by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Champaign?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Champaign (average of $380). Flying from San Francisco to Champaign in November is currently the most expensive (average of $535). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Champaign?

Book flights to Champaign if you plan to visit one of these locations
Urbana
Danville

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Alternative routes for San Francisco to Champaign

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Top airline flying from San Francisco to Champaign

Discover the top airline that operate flights from San Francisco to Champaign. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$452Average$598FlexibilityNo cancel feeOn-time71%

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