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$348+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — SFO
Jun 1 — Jun 81
Sun 6/1
Sun 6/8
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 May 27, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$484
(American Airlines)

One-way from

$348
(American Airlines)

Popular in

January

Cheapest in

May

Average price

$388
Provider with most accurate pricing for Champaign University-Willard-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Champaign University-Willard-San Francisco flights.
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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. 16% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 27, 2025.

This American Airlines deal was found by Cheapflights users on 5/27. 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 10/106:00 amCMI - SFO
1 stop8h 30mAmerican Airlines
Tue 10/1412:20 pmSFO - CMI
1 stop6h 15mAmerican Airlines
Deal found 5/27$484

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 May 27, 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 Francisco

CMI - SFO

CMISFO

Champaign University-Willard

Fri 10/10

6:00 am-12:30 pm

1 stop8h 30m

San Francisco

Tue 10/14

12:20 pm-8:35 pm

1 stop6h 15m

$484

ChampaignSan Francisco

CMI - SFO

CMISFO

Champaign University-Willard

Sat 8/9

6:39 am-12:25 pm

1 stop7h 46m

$348

ChampaignSan Jose

CMI - SJC

CMISJC

Champaign University-Willard

Sun 6/8

3:28 pm-11:05 pm

1 stop9h 37m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/27

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 $369). 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.

Rainfall in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 in.

Temperature in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 May 27, 2025.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Entertainment

6.9

Crew

8.0

Boarding

7.5

Overall

7.2

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

Comfort

7.2

Food

6.5

Entertainment

6.9

Crew

8.0

Boarding

7.5

Overall

7.2

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.

  • 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 $369). 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

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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 May 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$575FlexibilityNo cancel feeOn-time71%

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