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$421+ Cheap flights from Champaign (CMI) to San Francisco Bay Area

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — SFO
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Champaign to San Francisco Bay Area

Keep the following information in mind while searching for Champaign to San Francisco Bay Area flight deals. Data was last updated September 15, 2025.

Round-trip from

$432
(American Airlines)

One-way from

$421
(American Airlines)

Popular in

January

Cheapest in

September

Average price

$378
From Champaign University-Willard to San Francisco Bay Area
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One-way flight from Champaign University-Willard to San Francisco Bay Area
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Highest demand for flights based on searches. 13% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Champaign to San Francisco Bay Area

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

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 10/296:00 amCMI - SJC
1 stop8h 20mAmerican Airlines
Wed 11/56:00 amSJC - CMI
1 stop6h 41mAmerican Airlines
Deal found 9/13$432
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.
Thu 12/1811:34 amCMI - SFO
2 stops10h 35mAmerican Airlines
Sun 12/216:00 amSFO - CMI
1 stop6h 27mAmerican Airlines
Deal found 9/13$552
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.
Fri 11/216:00 amCMI - SFO
1 stop7h 27mAmerican Airlines
Sun 11/3011:18 pmSFO - CMI
1 stop9h 27mAmerican Airlines
Deal found 9/14$726
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.
Sat 11/228:10 pmCMI - SFO
1 stop17h 17mAmerican Airlines
Sat 11/296:00 amSFO - CMI
1 stop13h 30mAmerican Airlines
Deal found 9/13$937
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.
Sat 11/226:00 amCMI - SFO
1 stop7h 27mAmerican Airlines
Sun 11/3011:18 pmSFO - CMI
1 stop9h 27mAmerican Airlines
Deal found 9/14$939
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 9/287:56 pmCMI - SFO
1 stop17h 19mAmerican Airlines
Thu 10/211:16 amSFO - CMI
1 stop7h 35mAmerican Airlines
Deal found 9/12$1,064

Cheapflights Fare Finder

 
Customize your flight search to find flights from Champaign to San Francisco Bay Area 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 September 15, 2025.
Use the filters below to find and compare flights from Champaign to San Francisco Bay Area that are best for you.

Fly from

Champaign

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

ChampaignSan Jose

CMI - SJC

CMISJC

Champaign University-Willard

Wed 10/29

6:00 am-12:20 pm

1 stop8h 20m

San Jose

Wed 11/5

6:00 am-2:41 pm

1 stop6h 41m

$432

ChampaignSan Francisco

CMI - SFO

CMISFO

Champaign University-Willard

Thu 12/18

11:34 am-8:09 pm

2 stops10h 35m

San Francisco

Sun 12/21

6:00 am-2:27 pm

1 stop6h 27m

$552

ChampaignSan Francisco

CMI - SFO

CMISFO

Champaign University-Willard

Fri 11/21

6:00 am-11:27 am

1 stop7h 27m

San Francisco

Sun 11/30

11:18 pm-10:45 am

1 stop9h 27m

$726

ChampaignSan Francisco

CMI - SFO

CMISFO

Champaign University-Willard

Sat 11/22

8:10 pm-11:27 am

1 stop17h 17m

San Francisco

Sat 11/29

6:00 am-9:30 pm

1 stop13h 30m

$937

ChampaignSan Francisco

CMI - SFO

CMISFO

Champaign University-Willard

Sat 11/22

11:16 am-8:14 pm

2 stops10h 58m

San Francisco

Sun 11/30

11:18 pm-10:45 am

1 stop9h 27m

$945

ChampaignSan Francisco

CMI - SFO

CMISFO

Champaign University-Willard

Sun 9/28

7:56 pm-9:24 am

1 stop15h 28m

San Francisco

Thu 10/2

9:07 am-8:51 pm

2 stops9h 44m

$1,069

ChampaignSan Francisco

CMI - SFO

CMISFO

Champaign University-Willard

Mon 9/22

3:32 pm-11:15 pm

1 stop9h 43m

$421

ChampaignSan Francisco

CMI - SFO

CMISFO

Champaign University-Willard

Sun 9/21

7:12 am-12:31 pm

1 stop7h 19m

$421

ChampaignSan Francisco

CMI - SFO

CMISFO

Champaign University-Willard

Sun 10/12

4:26 pm-10:09 pm

1 stop7h 43m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Champaign to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Champaign 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 Champaign to San Francisco Bay Area

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

Currently, January is the cheapest month in which you can book a flight from Champaign to San Francisco Bay Area (average of $276). Flying from Champaign to San Francisco Bay Area in June is currently the most expensive (average of $357). 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.

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 San Francisco Bay Area. Reviews last updated September 15, 2025.
Get a feel of what it's like to fly with American Airlines from Champaign to San Francisco Bay Area by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Crew

8.0

Overall

7.2

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Diana,Jul 2024

ORD - IND

Shout out to Isabelle and Debbie who went above and beyond to make it a good experience. Wheelchair service and workers were excellent and much appreciated.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Crew

8.0

Overall

7.2

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Diana,Jul 2024

ORD - IND

Shout out to Isabelle and Debbie who went above and beyond to make it a good experience. Wheelchair service and workers were excellent and much appreciated.

Related info for your journey

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

  • What airport do you fly from for flights from Champaign to San Francisco Bay Area?

    Located just 11.3 mi from the city center, Champaign University-Willard (CMI) is the airport most travelers will use when flying to San Francisco Bay Area from Champaign.

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

    There are many flights that can get you from Champaign to San Francisco Bay Area in 8h 20m. Fly via American Airlines to get the fastest option. The distance between Champaign and San Francisco Bay Area is about 1812 mi.

  • What are the most popular routes from Champaign to San Francisco Bay Area?

    The most popular route from Champaign to San Francisco Bay Area is Champaign University-Willard - San Francisco. You may also consider Champaign University-Willard - San Jose or Champaign University-Willard - Oakland.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Champaign to San Francisco Bay Area 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 Champaign to San Francisco Bay Area?

    Currently, January is the cheapest month in which you can book a flight from Champaign to San Francisco Bay Area (average of $276). Flying from Champaign to San Francisco Bay Area in June is currently the most expensive (average of $357). 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

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Alternative routes for Champaign to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Champaign to San Francisco Bay Area

Discover the top airline that operate flights from Champaign to San Francisco Bay Area. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$363Average$569FlexibilityNo cancel feeOn-time71%

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