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$118+ Cheap flights from Champaign to San Diego (CMI - SAN)

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — SAN
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Champaign to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Champaign (CMI) to San Diego (SAN). 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(American Airlines)

One-way from

$118
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$665
Provider with most accurate pricing for Champaign University-Willard-San Diego flight deals.
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Provider most trusted by Cheapflights users for Champaign University-Willard-San Diego flights.
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From Champaign University-Willard to San Diego
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One-way flight from Champaign University-Willard to San Diego
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High demand for flights, 12% potential price rise
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Best time to find cheap flights, 5% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Champaign to San Diego

Best flights from Champaign to San Diego
Discover carefully curated flight deals from Champaign to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.

This American Airlines deal was found by Cheapflights users on 12/18. 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 2/512:55 pmCMI - SAN
1 stop9h 15mAmerican Airlines
Fri 2/76:40 amSAN - CMI
1 stop6h 58mAmerican Airlines
Deal found 12/18$239

Find flights from Champaign to San Diego within your budget

Customize your flight search to find flights from Champaign to San Diego 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 2/5

12:55 pm-8:10 pm

1 stop9h 15m

San Diego

Fri 2/7

6:40 am-3:38 pm

1 stop6h 58m

$239

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 2/12

12:55 pm-8:10 pm

1 stop9h 15m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Compare providers for flights from Champaign to San Diego

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 Champaign to San Diego in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Champaign-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Champaign-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Champaign-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Champaign-San Diego 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 Champaign-San Diego 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 Champaign to San Diego

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

Travel insights for flights from Champaign to San Diego

Get recent, data-driven insights about flights from Champaign to San Diego including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Champaign to San Diego (average of $266). Flying from Champaign to San Diego in March is currently the most expensive (average of $339). 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 Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 Diego. Reviews last updated December 18, 2024.
American Airlines
7.2
Good
10,000 reviews

Entertainment

7.0

Overall

7.2

Comfort

7.2

Food

6.5

Boarding

7.6

Crew

8.0

Reviews

1 / 10

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

Entertainment

7.0

Overall

7.2

Comfort

7.2

Food

6.5

Boarding

7.6

Crew

8.0

Reviews

1 / 10

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 Diego. 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 Champaign to San Diego round-trip?

    American Airlines, at $239, was found to be the cheapest airline from Champaign to San Diego.. American Airlines is priced at 51% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Champaign to San Diego (average of $266). Flying from Champaign to San Diego in March is currently the most expensive (average of $339). 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.

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Top airline flying from Champaign to San Diego

Discover the top airline that operate flights from Champaign to San Diego. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$185Average$485FlexibilityNo cancel feeOn-time71%
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