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Champaign

Cheap flights from San Diego to Champaign (SAN - CMI)

SAN — CMI
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from San Diego to Champaign

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 septiembre 17, 2025.

Popular in

September

Cheapest in

January

Average price

$815
Highest demand for flights based on searches. 26% potential increase in price ($176 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Best time to book a flight from San Diego to Champaign

Have a flexible travel schedule? Discover the best time to fly to Champaign from San Diego 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 San Diego to Champaign

What is the cheapest month to book a flight from San Diego to Champaign?

Currently, August is the cheapest month in which you can book a flight from San Diego to Champaign (average of $384). Flying from San Diego to Champaign in June is currently the most expensive (average of $548). 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 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 septiembre 17, 2025.
Get a feel of what it's like to fly with American Airlines from San Diego to Champaign by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Food

6.4

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Food

6.4

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

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

  • What is the cheapest airline to fly from San Diego to Champaign round-trip?

    Cheapflights users have booked flights from San Diego to Champaign round-trip from $236. Users have found that American Airlines is 51% cheaper than the other options available to this destination.

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

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

  • How can I find direct flights from San Diego to Champaign?

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

  • Can I find deals for business class flights from San Diego to Champaign?

    Yes. Cheapflights offers flight deals from San Diego to Champaign 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 San Diego to Champaign?

    Currently, August is the cheapest month in which you can book a flight from San Diego to Champaign (average of $384). Flying from San Diego to Champaign in June is currently the most expensive (average of $548). 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

Traveling to a place near Champaign?

Book flights to Champaign if you plan to visit one of these locations
Danville

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Top airline flying from San Diego to Champaign

Discover the top airline that operate flights from San Diego 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$477FlexibilityNo cancel feeOn-time71%

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