$388+ Cheap flights from San Francisco to Champaign (SFO - CMI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CMI
Sep 3 — Sep 101
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 August 4, 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 August 4, 2026.
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/265:30 am -
1 stop6h 40m
Mon 9/281:23 pm -
1 stop8h 41m
Deal found 8/2![American Airlines logo]()
$474
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/175:30 am -
1 stop6h 41m
Sat 9/197:16 am -
1 stop9h 45m
Deal found 7/30![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/1510:12 am -
2 stops9h 48m
Wed 8/192:47 pm -
1 stop7h 27m
Deal found 7/31![American Airlines logo]()
$521
This American Airlines deal was found by Cheapflights users on 7/31. 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 10/15:30 am -
1 stop6h 41m
Sun 10/47:16 am -
1 stop9h 45m
Deal found 7/31![American Airlines logo]()
$538
This American Airlines deal was found by Cheapflights users on 7/31. 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 11/510:32 am -
1 stop7h 48m
Sun 11/812:11 pm -
1 stop8h 04m
Deal found 7/31![American Airlines logo]()
$558
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/95:30 am -
1 stop6h 45m
Sat 8/157:00 am -
1 stop9h 54m
Deal found 7/31![American Airlines logo]()
$560
This American Airlines deal was found by Cheapflights users on 8/3. 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 9/412:38 pm -
1 stop7h 22m
Mon 9/77:00 am -
1 stop8h 11m
Deal found 8/3![American Airlines logo]()
$584
This American Airlines deal was found by Cheapflights users on 8/3. 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 8/85:30 am -
1 stop6h 45m
Sat 8/157:00 am -
1 stop9h 54m
Deal found 8/3![American Airlines logo]()
$600
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 August 4, 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 August 4, 2026.
This American Airlines deal was found by Cheapflights users on 7/31. 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 10/812:41 pm -
1 stop7h 22m
Sun 10/116:48 pm -
1 stop7h 11m
Deal found 7/31![American Airlines logo]()
$538
This American Airlines deal was found by Cheapflights users on 8/4. 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 10/2312:42 pm -
1 stop7h 21m
Sun 10/256:00 am -
1 stop7h 25m
Deal found 8/4![American Airlines logo]()
$538
This American Airlines deal was found by Cheapflights users on 8/3. 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 9/267:00 am -
2 stops11h 56m
Mon 9/281:23 pm -
1 stop6h 46m
Deal found 8/3![American Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/179:29 am -
2 stops10h 17m
Sat 9/195:00 am -
1 stop8h 29m
Deal found 8/2![American Airlines logo]()
$561
Last-minute flights from San Francisco to ChampaignDiscover last-minute flight deals from San Francisco to Champaign. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Champaign. Data last updated August 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/3. 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 8/85:30 am -
1 stop6h 45m
Sat 8/157:00 am -
1 stop9h 54m
Deal found 8/3![American Airlines logo]()
$600
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/95:30 am -
1 stop6h 45m
Sat 8/157:00 am -
1 stop9h 54m
Deal found 7/31![American Airlines logo]()
$560
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/1510:12 am -
2 stops9h 48m
Wed 8/192:47 pm -
1 stop7h 27m
Deal found 7/31![American Airlines logo]()
$521
This American Airlines deal was found by Cheapflights users on 8/3. 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 9/412:38 pm -
1 stop7h 22m
Mon 9/77:00 am -
1 stop8h 11m
Deal found 8/3![American Airlines logo]()
$584
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/175:30 am -
1 stop6h 41m
Sat 9/197:16 am -
1 stop9h 45m
Deal found 7/30![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/2511:02 am -
1 stop8h 44m
Mon 9/282:41 pm -
1 stop7h 44m
Deal found 8/2![American Airlines logo]()
$538
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/265:30 am -
1 stop6h 40m
Mon 9/281:23 pm -
1 stop8h 41m
Deal found 8/2![American Airlines logo]()
$474
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 August 4, 2026.
Search for one-way flight options from San Francisco to Champaign. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This American Airlines deal was found by Cheapflights users on 8/2. 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 10/245:27 pm -
1 stop16h 41m
Deal found 8/2![American Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/225:30 am -
1 stop6h 45m
Deal found 7/30![American Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 8/4. 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 11/275:30 am -
1 stop6h 29m
Deal found 8/4![American Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 8/3. 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 11/287:03 am -
2 stops9h 22m
Deal found 8/3![American Airlines logo]()
$548
This American Airlines deal was found by Cheapflights users on 8/3. 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 11/2912:39 pm -
1 stop7h 23m
Deal found 8/3![American Airlines logo]()
$811
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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $474 (American Airlines) |
One-way from | $388 (American Airlines) |
Popular in | March |
Cheapest in | May |
Average price | $574 |
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 August 4, 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 - CMI
SFOCMI
San Francisco
Thu 10/8
12:41 pm-10:03 pm
1 stop7h 22m
Champaign University-Willard
Sun 10/11
6:48 pm-11:59 pm
1 stop7h 11m
$538
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Fri 10/23
12:42 pm-10:03 pm
1 stop7h 21m
Champaign University-Willard
Sun 10/25
6:00 am-11:25 am
1 stop7h 25m
$538
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Sat 9/26
7:00 am-8:56 pm
2 stops11h 56m
Champaign University-Willard
Mon 9/28
1:23 pm-6:09 pm
1 stop6h 46m
$545
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Thu 9/17
9:29 am-9:46 pm
2 stops10h 17m
Champaign University-Willard
Sat 9/19
5:00 am-11:29 am
1 stop8h 29m
$561
Cheapest one-way
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Sat 8/22
5:30 am-2:15 pm
1 stop6h 45m
$438
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Sat 10/24
7:15 am-6:05 pm
2 stops8h 50m
$444
Quickest one-way
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Fri 11/27
5:30 am-1:59 pm
1 stop6h 29m
$463
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Sat 11/28
7:03 am-6:25 pm
2 stops9h 22m
$548
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Sun 11/29
7:03 am-6:25 pm
2 stops9h 22m
$1,163
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 August.
| 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 August 4, 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.
Food
6.4
Boarding
7.5
Comfort
7.2
Crew
7.9
Overall
7.1
Entertainment
6.8
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Food
6.4
Boarding
7.5
Comfort
7.2
Crew
7.9
Overall
7.1
Entertainment
6.8
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 August 4, 2026.
Complete your trip
Complete your trip to Champaign by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Champaign by cabin class
Find flights from San Francisco to Champaign, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Champaign flights
Browse other San Francisco and Champaign flight options. Last updated on August 4, 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 August 4, 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 2,558,603 searches. Data last updated August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$400 | Average$583 | FlexibilityNo cancel fee | On-time71% |