HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Champaign to San Diego (CMI - SAN) from $488

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CMI — SAN
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 May 28, 2024.

Popular in

March

Cheapest in

May

Average price

$329

Round-trip from

$288
High demand for flights, 38% potential price rise
Search Deals
Best time to find cheap flights, 45% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From Champaign University-Willard to San Diego
Search Deals

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

Thursday flights are generally found to be more expensive for flights from Champaign to San Diego. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

What is the cheapest month to fly from Champaign to San Diego?

The best pricing can be found in the month of May. Prices to San Diego from Champaign average $600. You can even find prices in May for less than $600, as users have found deals to San Diego from as low as $150. The month of March appears to be one of the more expensive times to travel to San Diego from Champaign. Flying in the targeted month can save you up to 61%.

When is the cheapest time to fly from Champaign to San Diego (CMI - SAN)?

Unlike at noon, when flights are generally more expensive, you can save up to 5% on flights from Champaign to San Diego by exploring options for tickets in the morning.

Cheap American Airlines flights from Champaign to San Diego

Explore cheap flight options specifically provided by American Airlines for the route between Champaign and San Diego. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Wed 7/103:51 pmCMI - SAN
1 stop8h 01mAmerican Airlines
Wed 7/179:54 amSAN - CMI
1 stop8h 40mAmerican Airlines
Deal found 5/26$488
Wed 7/106:14 amCMI - SAN
1 stop6h 15mAmerican Airlines
Wed 7/176:24 amSAN - CMI
2 stops12h 10mAmerican Airlines
Deal found 5/26$493
Wed 7/107:07 amCMI - SAN
2 stops10h 06mAmerican Airlines
Tue 7/166:24 amSAN - CMI
2 stops12h 10mAmerican Airlines
Deal found 5/26$498
Sat 6/227:04 amCMI - SAN
2 stops13h 04mAmerican Airlines
Sat 6/291:12 pmSAN - CMI
1 stop6h 00mAmerican Airlines
Deal found 5/27$604
Sat 6/227:04 amCMI - SAN
2 stops13h 04mAmerican Airlines
Sat 6/299:47 amSAN - CMI
2 stops10h 32mAmerican Airlines
Deal found 5/27$609
Sat 6/223:35 pmCMI - SAN
1 stop7h 31mAmerican Airlines
Sat 6/291:12 pmSAN - CMI
1 stop6h 00mAmerican Airlines
Deal found 5/27$646
Wed 11/206:05 amCMI - SAN
1 stop8h 20mAmerican Airlines
Wed 11/271:32 pmSAN - CMI
1 stop5h 41mAmerican Airlines
Deal found 5/27$677
Wed 11/2011:30 amCMI - SAN
2 stops8h 19mAmerican Airlines
Wed 11/271:32 pmSAN - CMI
1 stop5h 41mAmerican Airlines
Deal found 5/27$682
Wed 11/2011:30 amCMI - SAN
2 stops12h 07mAmerican Airlines
Wed 11/278:00 pmSAN - CMI
2 stops12h 51mAmerican Airlines
Deal found 5/27$829

Cheap Champaign to San Diego flights in May & June 2024

Find cheap flight options from Champaign to San Diego specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on May 28, 2024.
Sat 6/152:57 pmCMI - SAN
1 stop8h 58mAmerican Airlines
Fri 6/2112:36 pmSAN - CMI
1 stop7h 43mAmerican Airlines
Deal found 5/27$488
Sat 6/153:35 pmCMI - SAN
2 stops8h 15mAmerican Airlines
Fri 6/2112:36 pmSAN - CMI
1 stop7h 43mAmerican Airlines
Deal found 5/27$493
Sat 6/152:57 pmCMI - SAN
2 stops8h 53mAmerican Airlines
Fri 6/219:47 amSAN - CMI
2 stops10h 32mAmerican Airlines
Deal found 5/27$498
Sat 6/227:04 amCMI - SAN
2 stops13h 04mAmerican Airlines
Sat 6/291:12 pmSAN - CMI
1 stop6h 00mAmerican Airlines
Deal found 5/27$604
Sat 6/227:04 amCMI - SAN
2 stops13h 04mAmerican Airlines
Sat 6/299:47 amSAN - CMI
2 stops10h 32mAmerican Airlines
Deal found 5/27$609
Sat 6/223:35 pmCMI - SAN
1 stop7h 31mAmerican Airlines
Sat 6/291:12 pmSAN - CMI
1 stop6h 00mAmerican Airlines
Deal found 5/27$646
Sat 6/157:04 amCMI - SAN
2 stops10h 07mAmerican Airlines
Fri 6/216:25 amSAN - CMI
3 stops13h 54mAmerican Airlines
Deal found 5/27$971

Champaign to San Diego 2024 flight deals

Discover exclusive flight deals for travel between Champaign and San Diego in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Wed 7/103:51 pmCMI - SAN
1 stop8h 01mAmerican Airlines
Wed 7/179:54 amSAN - CMI
1 stop8h 40mAmerican Airlines
Deal found 5/26$488
Wed 7/106:14 amCMI - SAN
1 stop6h 15mAmerican Airlines
Wed 7/176:24 amSAN - CMI
2 stops12h 10mAmerican Airlines
Deal found 5/26$493
Wed 7/107:07 amCMI - SAN
2 stops10h 06mAmerican Airlines
Tue 7/166:24 amSAN - CMI
2 stops12h 10mAmerican Airlines
Deal found 5/26$498
Sat 6/227:04 amCMI - SAN
2 stops13h 04mAmerican Airlines
Sat 6/291:12 pmSAN - CMI
1 stop6h 00mAmerican Airlines
Deal found 5/27$604
Sat 6/227:04 amCMI - SAN
2 stops13h 04mAmerican Airlines
Sat 6/299:47 amSAN - CMI
2 stops10h 32mAmerican Airlines
Deal found 5/27$609
Sat 6/223:35 pmCMI - SAN
1 stop7h 31mAmerican Airlines
Sat 6/291:12 pmSAN - CMI
1 stop6h 00mAmerican Airlines
Deal found 5/27$646
Wed 11/206:05 amCMI - SAN
1 stop8h 20mAmerican Airlines
Wed 11/271:32 pmSAN - CMI
1 stop5h 41mAmerican Airlines
Deal found 5/27$677
Wed 11/2011:30 amCMI - SAN
2 stops8h 19mAmerican Airlines
Wed 11/271:32 pmSAN - CMI
1 stop5h 41mAmerican Airlines
Deal found 5/27$682
Wed 11/2011:30 amCMI - SAN
2 stops12h 07mAmerican Airlines
Wed 11/278:00 pmSAN - CMI
2 stops12h 51mAmerican Airlines
Deal found 5/27$829

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 2,696,634 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$488 - $829

Route

Depart

Return

Price

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 7/10

1 stop8h 01m

San Diego

Wed 7/17

1 stop8h 40m

$488

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 7/10

1 stop6h 15m

San Diego

Wed 7/17

2 stops12h 10m

$493

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 7/10

2 stops10h 06m

San Diego

Tue 7/16

2 stops12h 10m

$498

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sat 6/22

2 stops13h 04m

San Diego

Sat 6/29

1 stop6h 00m

$604

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sat 6/22

2 stops13h 04m

San Diego

Sat 6/29

2 stops10h 32m

$609

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sat 6/22

1 stop7h 31m

San Diego

Sat 6/29

1 stop6h 00m

$646

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 11/20

1 stop8h 20m

San Diego

Wed 11/27

1 stop5h 41m

$677

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 11/20

2 stops8h 19m

San Diego

Wed 11/27

1 stop5h 41m

$682

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 11/20

2 stops12h 07m

San Diego

Wed 11/27

2 stops12h 51m

$829

Flights are sorted by cheapest first

Deals found on 5/26

When is the cheapest time to fly from Champaign to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Champaign to San Diego. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Champaign to San Diego flight should consider departing on Saturday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in San Diego by month

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

SAN

Temperature

57.2 - 71.6 °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 May 28, 2024.
American Airlines
7.3
Good
14,316 reviews
Check prices

Entertainment

7.1

Boarding

7.6

Comfort

7.2

Crew

8.0

Overall

7.3

Food

6.6

Reviews

1 / 10

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

American Airlines
7.3
Good
14,316 reviews
American Airlines
7.3
Good
14,316 reviews
Check prices

Entertainment

7.1

Boarding

7.6

Comfort

7.2

Crew

8.0

Overall

7.3

Food

6.6

Reviews

1 / 10

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

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.

  • Can I find flights from Champaign to San Diego for under $500 on Cheapflights?

    Yes, there are multiple flights from Champaign to San Diego for under $500. The cheapest flight booked recently is on American Airlines for just $488, but on average you can expect to pay $649.

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

    American Airlines, at $488, was found to be the cheapest airline from Champaign to San Diego.. American Airlines is priced at 18% lower than the current average price of a flight leaving 3 months from now.

  • What does CMI to SAN mean?

    CMI and SAN are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. CMI to SAN refers to a flight route from Champaign University-Willard Airport to San Diego Airport.

  • Can I find deals for flights from Champaign to San Diego that include extra baggage allowance?

    The amount of baggage you can bring on your Champaign to San Diego flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Champaign to San Diego with specific airlines?

    Yes, Cheapflights allows you to browse and filter Champaign to San Diego flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Champaign to San Diego that allow pets onboard?

    Many airlines flying from Champaign to San Diego offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Champaign to San Diego?

    Yes, you can often find last-minute deals on Champaign to San Diego flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Champaign to San Diego flight deals updated?

    The Champaign to San Diego flight deals you see on this page were last updated on 5/27.

  • When is the best time to book a flight from Champaign to San Diego?

    Currently, October is the cheapest month in which you can book a flight from Champaign to San Diego (average of $288). Flying from Champaign to San Diego in July is currently the most expensive (average of $354). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Champaign to San Diego
See prices for flight routes from nearby airports that may be better suited for you.

O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to San Francisco flights
O'Hare Intl to San Diego flights
Midway to Los Angeles flights
O'Hare Intl to Burbank flights
O'Hare Intl to Ontario flights
Midway to Las Vegas flights
O'Hare Intl to Santa Ana flights
Midway to San Francisco flights
St. Louis to Las Vegas flights
O'Hare Intl to Oakland flights
Midway to Ontario flights
Midway to San Diego flights
O'Hare Intl to Sacramento flights
Rockford to Las Vegas flights
St. Louis to Los Angeles flights
O'Hare Intl to San Jose flights
O'Hare Intl to Palm Springs flights
O'Hare Intl to Reno flights
Midway to Santa Ana flights
St. Louis to San Francisco flights
Midway to San Jose flights
Midway to Sacramento flights
Midway to Reno flights
St. Louis to Ontario flights
St. Louis to San Diego flights
Midway to Palm Springs flights
O'Hare Intl to Fresno flights
Moline to Las Vegas flights
St. Louis to Santa Ana flights
O'Hare Intl to Santa Barbara flights
Moline to Los Angeles flights
O'Hare Intl to Long Beach flights
O'Hare Intl to Tijuana flights
O'Hare Intl to Medford flights
St. Louis to San Jose flights
St. Louis to Long Beach flights
Midway to Oakland flights
Peoria to Las Vegas flights
Midway to Fresno flights
St. Louis to Sacramento flights
Bloomington to Las Vegas flights
St. Louis to Burbank flights
Moline to Burbank flights
Midway to Burbank flights
St. Louis to Palm Springs flights
Moline to San Diego flights
Evansville to Las Vegas flights
Midway to Medford flights

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 2,696,634 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$180Average$589FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Nashville to Denver flights
Newark Airport to Cancún flights
Phoenix to Las Vegas flights
Chicago O'Hare Intl Airport to San Francisco flights
Phoenix to Portland flights
Phoenix to Hawaii flights
Philadelphia to Orlando flights
Boston to Washington, D.C. flights
Seattle to Nashville flights
Los Angeles to Paris flights
New York to Jamaica flights
Champaign to San Antonio flights

Search flights from Champaign to San Diego by cabin class

Find flights from Champaign to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Champaign to San Diego?

Cheapflights makes it easy to find Champaign to San Diego flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Champaign to San Diego?

Millions of users choose and trust Cheapflights to book the best flight deals from Champaign to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Champaign to San Diego with no change fees?

Yes! Cheapflights helps users easily find flights from Champaign to San Diego with no change fees.

Can Cheapflights notify me if prices for flights from Champaign to San Diego become cheaper?

Yes, Cheapflights offers price alerts on Champaign to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines