$473+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CMI
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Champaign with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Champaign
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to ChampaignExplore 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 September 17, 2026.
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 September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. 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 12/108:47 am -
1 stop9h 34m
Tue 12/156:50 pm -
1 stop7h 05m
Deal found 9/16![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 9/1612:30 pm -
1 stop7h 16m
Sat 9/195:00 am -
1 stop9h 39m
Deal found 9/16![American Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/47:00 am -
1 stop9h 10m
Sat 10/176:00 am -
1 stop9h 28m
Deal found 9/12![American Airlines logo]()
$540
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/127:10 am -
1 stop8h 55m
Mon 10/1912:38 pm -
1 stop9h 33m
Deal found 9/12![American Airlines logo]()
$558
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 9/1711:02 am -
1 stop8h 44m
Sat 9/196:00 am -
1 stop8h 39m
Deal found 9/15![American Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/237:10 am -
1 stop8h 55m
Sun 10/257:03 pm -
1 stop7h 27m
Deal found 9/16![American Airlines logo]()
$604
Best flights from San Francisco to ChampaignDiscover carefully curated flight deals from San Francisco to Champaign that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from San Francisco to Champaign that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. 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 12/108:47 am -
1 stop9h 34m
Tue 12/156:50 pm -
1 stop7h 05m
Deal found 9/16![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 1/139:00 am -
2 stops11h 04m
Wed 1/206:00 am -
1 stop7h 13m
Deal found 9/16![American Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/47:00 am -
1 stop9h 10m
Sat 10/176:00 am -
1 stop9h 28m
Deal found 9/12![American Airlines logo]()
$540
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 9/305:30 am -
1 stop6h 41m
Sun 10/46:41 pm -
1 stop7h 40m
Deal found 9/14![American Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/127:10 am -
1 stop8h 55m
Mon 10/1912:38 pm -
1 stop9h 33m
Deal found 9/15![American Airlines logo]()
$604
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/237:10 am -
1 stop8h 55m
Sun 10/257:03 pm -
1 stop7h 27m
Deal found 9/16![American Airlines logo]()
$604
Last-minute flights from San Francisco to ChampaignDiscover last-minute flight deals from San Francisco to Champaign. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Champaign. Data last updated September 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 9/1612:30 pm -
1 stop7h 16m
Sat 9/195:00 am -
1 stop9h 39m
Deal found 9/16![American Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/165:30 am -
1 stop6h 41m
Tue 9/221:23 pm -
1 stop8h 41m
Deal found 9/13![American Airlines logo]()
$620
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 9/1711:02 am -
1 stop8h 44m
Sat 9/196:00 am -
1 stop8h 39m
Deal found 9/15![American Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/47:00 am -
1 stop9h 10m
Sat 10/176:00 am -
1 stop9h 28m
Deal found 9/12![American Airlines logo]()
$540
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/127:10 am -
1 stop8h 55m
Mon 10/1912:38 pm -
1 stop9h 33m
Deal found 9/12![American Airlines logo]()
$558
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/237:10 am -
1 stop8h 55m
Sun 10/257:03 pm -
1 stop7h 27m
Deal found 9/16![American Airlines logo]()
$604
One-way flights from San Francisco to ChampaignSearch for one-way flight options from San Francisco to Champaign. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from San Francisco to Champaign. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/15. 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 9/257:00 am -
1 stop9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$473
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 10/257:15 am -
2 stops8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$575
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $430 (American Airlines) |
Popular in | March |
Cheapest in | May |
Average price | $555 |
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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from San Francisco to Champaign that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San FranciscoChampaign
SFO San Francisco - CMI Champaign University-Willard
SFOCMI
San Francisco
Sun 10/25
5:30 am-2:07 pm
1 stop6h 37m
Champaign University-Willard
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$473
San FranciscoChampaign
SFO San Francisco - CMI Champaign University-Willard
SFOCMI
San Francisco
Fri 10/16
9:12 am-6:05 pm
1 stop6h 53m
Champaign University-Willard
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$473
San FranciscoChampaign
SFO San Francisco - CMI Champaign University-Willard
SFOCMI
San Francisco
Fri 9/25
8:00 am-9:46 pm
2 stops11h 46m
Champaign University-Willard
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$479
San FranciscoChampaign
SFO San Francisco - CMI Champaign University-Willard
SFOCMI
San Francisco
Thu 12/10
8:47 am-8:21 pm
1 stop9h 34m
Champaign University-Willard
Tue 12/15
6:50 pm-11:55 pm
1 stop7h 05m
$494
San FranciscoChampaign
SFO San Francisco - CMI Champaign University-Willard
SFOCMI
San Francisco
Wed 1/13
9:00 am-10:04 pm
2 stops11h 04m
Champaign University-Willard
Wed 1/20
6:00 am-11:13 am
1 stop7h 13m
$501
San FranciscoChampaign
SFO San Francisco - CMI Champaign University-Willard
SFOCMI
San Francisco
Sun 10/4
7:00 am-6:10 pm
1 stop9h 10m
Champaign University-Willard
Sat 10/17
6:00 am-1:28 pm
1 stop9h 28m
$540
San FranciscoChampaign
SFO San Francisco - CMI Champaign University-Willard
SFOCMI
San Francisco
Wed 9/30
5:30 am-2:11 pm
1 stop6h 41m
Champaign University-Willard
Sun 10/4
6:41 pm-12:21 am
1 stop7h 40m
$580
San FranciscoChampaign
SFO San Francisco - CMI Champaign University-Willard
SFOCMI
San Francisco
Mon 10/12
7:10 am-6:05 pm
1 stop8h 55m
Champaign University-Willard
Mon 10/19
12:38 pm-8:11 pm
1 stop9h 33m
$604
San FranciscoChampaign
SFO San Francisco - CMI Champaign University-Willard
SFOCMI
San Francisco
Fri 10/23
7:10 am-6:05 pm
1 stop8h 55m
Champaign University-Willard
Sun 10/25
7:03 pm-12:30 am
1 stop7h 27m
$604
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Champaign flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Champaign flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
SFO-CMI
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.
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 September 17, 2026.
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.
Comfort
7.2
Crew
7.9
Entertainment
6.8
Overall
7.1
Food
6.4
Boarding
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Comfort
7.2
Crew
7.9
Entertainment
6.8
Overall
7.1
Food
6.4
Boarding
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
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.
Traveling to a place near Champaign?
Book flights to Champaign if you plan to visit one of these locationsUrbana
Danville
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Other flights to Champaign
Explore flights to Champaign departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Complete your trip
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San Francisco and Champaign flights
Browse other San Francisco and Champaign flight options. Last updated on September 17, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$428 | Average$583 | FlexibilityNo cancel fee | On-time71% |