$347+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CMI
Jun 1 — Jun 81
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Champaign with Cheapflights
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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
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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
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Best
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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 May 2, 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 May 2, 2026.
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:30 pm
SFO
- CMI
1 stop7h 24m
United Airlines
Sat 8/87:34 pm
CMI
- SFO
1 stop6h 58m
United Airlines
Deal found 4/29![United Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2111:30 pm
SFO
- CMI
1 stop7h 24m
United Airlines
Fri 7/37:34 pm
CMI
- SFO
1 stop8h 23m
United Airlines
Deal found 4/28![United Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 5/1. 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 6/75:23 am
SFO
- CMI
1 stop6h 52m
American Airlines
Sat 6/136:43 pm
CMI
- SFO
1 stop7h 14m
American Airlines
Deal found 5/1![American Airlines logo]()
$465
This American Airlines deal was found by Cheapflights users on 4/30. 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 6/205:40 am
SFO
- CMI
2 stops10h 32m
American Airlines
Sat 6/276:43 pm
CMI
- SFO
1 stop7h 14m
American Airlines
Deal found 4/30![American Airlines logo]()
$471
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/62:00 pm
SFO
- CMI
1 stop8h 05m
United Airlines
Mon 8/107:34 pm
CMI
- SFO
1 stop8h 23m
United Airlines
Deal found 4/29![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:38 pm
SFO
- CMI
1 stop8h 16m
United Airlines
Mon 8/107:34 pm
CMI
- SFO
1 stop8h 23m
United Airlines
Deal found 4/29![United Airlines logo]()
$504
This American Airlines deal was found by Cheapflights users on 4/30. 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
SFO
- CMI
1 stop6h 49m
American Airlines
Sat 9/192:47 pm
CMI
- SFO
1 stop8h 29m
American Airlines
Deal found 4/30![American Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 8/48:00 am
SFO
- CMI
1 stop8h 06m
American Airlines
Tue 8/1111:41 am
CMI
- SFO
2 stops12h 41m
American Airlines
Deal found 4/29![American Airlines logo]()
$516
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/710:38 pm
SFO
- CMI
1 stop8h 16m
United Airlines
Mon 8/107:34 pm
CMI
- SFO
1 stop8h 23m
United Airlines
Deal found 4/29![United Airlines logo]()
$523
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 May 2, 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 May 2, 2026.
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:30 pm
SFO
- CMI
1 stop7h 24m
United Airlines
Tue 8/115:45 am
CMI
- SFO
1 stop6h 41m
United Airlines
Deal found 4/29![United Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 4/30. 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 6/205:40 am
SFO
- CMI
2 stops10h 32m
American Airlines
Sat 6/277:31 am
CMI
- SFO
2 stops10h 35m
American Airlines
Deal found 4/30![American Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2111:30 pm
SFO
- CMI
1 stop7h 24m
United Airlines
Fri 7/37:34 pm
CMI
- SFO
1 stop8h 23m
United Airlines
Deal found 4/28![United Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 5/1. 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
SFO
- CMI
1 stop6h 49m
American Airlines
Sat 9/192:47 pm
CMI
- SFO
1 stop8h 29m
American Airlines
Deal found 5/1![American Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:37 pm
SFO
- CMI
2 stops13h 17m
United Airlines
Thu 7/97:34 pm
CMI
- SFO
1 stop6h 58m
United Airlines
Deal found 4/28![United Airlines logo]()
$557
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/292:42 pm
SFO
- CMI
1 stop18h 25m
American Airlines
Fri 6/56:43 pm
CMI
- SFO
1 stop16h 36m
American Airlines
Deal found 5/1![American Airlines logo]()
$563
Last-minute flights from San Francisco to ChampaignDiscover last-minute flight deals from San Francisco to Champaign. Data last updated May 2, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Champaign. Data last updated May 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/1. 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 6/75:23 am
SFO
- CMI
1 stop6h 52m
American Airlines
Sat 6/136:43 pm
CMI
- SFO
1 stop7h 14m
American Airlines
Deal found 5/1![American Airlines logo]()
$465
This American Airlines deal was found by Cheapflights users on 4/30. 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 6/205:40 am
SFO
- CMI
2 stops10h 32m
American Airlines
Sat 6/276:43 pm
CMI
- SFO
1 stop7h 14m
American Airlines
Deal found 4/30![American Airlines logo]()
$471
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2111:30 pm
SFO
- CMI
1 stop7h 24m
United Airlines
Fri 7/37:34 pm
CMI
- SFO
1 stop8h 23m
United Airlines
Deal found 4/28![United Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/223:01 pm
SFO
- CMI
1 stop6h 58m
United Airlines
Fri 7/37:34 pm
CMI
- SFO
1 stop6h 58m
United Airlines
Deal found 4/28![United Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2312:50 am
SFO
- CMI
1 stop10h 00m
United Airlines
Thu 7/97:34 pm
CMI
- SFO
1 stop6h 58m
United Airlines
Deal found 4/28![United Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 6/235:23 am
SFO
- CMI
1 stop6h 52m
American Airlines
Sat 7/46:34 pm
CMI
- SFO
1 stop7h 18m
American Airlines
Deal found 4/28![American Airlines logo]()
$550
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 May 2, 2026.
Search for one-way flight options from San Francisco to Champaign. Find affordable one-way fares based on user searches. Data last updated May 2, 2026.
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Tue 6/96:00 am
SFO
- CMI
1 stop10h 12m
American Airlines
Deal found 5/1![American Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/306:00 am
SFO
- CMI
1 stop13h 08m
American Airlines
Deal found 4/30![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 5/2611:14 pm
SFO
- CMI
1 stop19h 54m
American Airlines
Deal found 4/28![American Airlines logo]()
$392
This American Airlines deal was found by Cheapflights users on 5/1. 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 8/2210:50 pm
SFO
- CMI
1 stop15h 31m
American Airlines
Deal found 5/1![American Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:30 am
SFO
- CMI
2 stops20h 24m
United Airlines
Deal found 4/29![United Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/1310:06 am
SFO
- CMI
1 stop8h 51m
American Airlines
Deal found 4/30![American Airlines logo]()
$433
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 5/315:23 am
SFO
- CMI
1 stop6h 52m
American Airlines
Deal found 4/30![American Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/216:00 am
SFO
- CMI
1 stop13h 08m
American Airlines
Deal found 4/30![American Airlines logo]()
$477
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 May 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $446 (American Airlines) |
One-way from | $347 (American Airlines) |
Popular in | March |
Cheapest in | June |
Average price | $675 |
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 May 2, 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
Wed 8/5
11:30 pm-8:54 am
1 stop7h 24m
Champaign University-Willard
Tue 8/11
5:45 am-10:26 am
1 stop6h 41m
$438
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Sun 6/21
11:30 pm-8:54 am
1 stop7h 24m
Champaign University-Willard
Fri 7/3
7:34 pm-1:57 am
1 stop8h 23m
$458
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Sat 6/20
5:40 am-6:12 pm
2 stops10h 32m
Champaign University-Willard
Sat 6/27
7:31 am-4:06 pm
2 stops10h 35m
$476
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Thu 9/17
5:30 am-2:19 pm
1 stop6h 49m
Champaign University-Willard
Sat 9/19
2:47 pm-9:16 pm
1 stop8h 29m
$510
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Wed 6/24
5:37 pm-8:54 am
2 stops13h 17m
Champaign University-Willard
Thu 7/9
7:34 pm-12:32 am
1 stop6h 58m
$557
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Fri 5/29
2:42 pm-11:07 am
1 stop18h 25m
Champaign University-Willard
Fri 6/5
6:43 pm-9:19 am
1 stop16h 36m
$563
Cheapest one-way
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Tue 6/9
6:00 am-6:12 pm
1 stop10h 12m
$347
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Tue 5/26
11:14 pm-9:08 pm
1 stop19h 54m
$392
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Sat 8/22
10:50 pm-4:21 pm
1 stop15h 31m
$397
San FranciscoChampaign
SFO - CMI
SFOCMI
San Francisco
Mon 10/12
10:30 am-8:54 am
2 stops20h 24m
$431
Showing 1-10 of 11 resultsSorted 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 May.
| 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.
Cheapflights Insights
Everything you need to know about your flight 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 May 2, 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
Comfort
7.2
Boarding
7.5
Overall
7.1
Entertainment
6.9
Crew
7.9
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Food
6.4
Comfort
7.2
Boarding
7.5
Overall
7.1
Entertainment
6.9
Crew
7.9
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
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 May 2, 2026.
Complete your trip
Complete your trip to Champaign by adding a car rental and/or hotel reservation to your travel itinerary.
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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 May 2, 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 May 2, 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 May 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$428 | Average$565 | FlexibilityNo cancel fee | On-time71% |