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Cheap flights from Champaign to San Diego (CMI - SAN) from $318

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 5/31. 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 6 — Jun 131
From?
To?
Thu 6/6
Thu 6/13
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 June 1, 2024.

Popular in

March

Cheapest in

May

Average price

$603

Round-trip from

$288
High demand for flights, 38% potential price rise
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Best time to find cheap flights, 45% potential price drop
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Average for round-trip flights in June 2024
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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%.

What is the cheapest time of day to fly from CMI to 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 2,784,634 searches. Data last updated June 1, 2024.
Wed 7/103:51 pmCMI - SAN
1 stop6h 07mAmerican Airlines
Wed 7/1712:34 pmSAN - CMI
1 stop6h 00mAmerican Airlines
Deal found 5/31$488
Wed 7/107:07 amCMI - SAN
2 stops10h 06mAmerican Airlines
Wed 7/177:14 amSAN - CMI
1 stop5h 59mAmerican Airlines
Deal found 5/31$493
Wed 7/107:07 amCMI - SAN
2 stops10h 06mAmerican Airlines
Wed 7/179:47 amSAN - CMI
2 stops8h 47mAmerican Airlines
Deal found 5/31$498
Sun 6/306:14 amCMI - SAN
1 stop6h 15mAmerican Airlines
Sun 7/79:54 amSAN - CMI
1 stop8h 40mAmerican Airlines
Deal found 5/31$781
Sun 6/306:14 amCMI - SAN
1 stop6h 15mAmerican Airlines
Sun 7/76:24 amSAN - CMI
2 stops12h 10mAmerican Airlines
Deal found 5/31$842
Sun 6/307:04 amCMI - SAN
2 stops10h 07mAmerican Airlines
Sun 7/79:42 pmSAN - CMI
2 stops14h 43mAmerican Airlines
Deal found 5/31$934
Wed 7/106:14 amCMI - SAN
2 stops10h 59mAmerican Airlines
Wed 7/176:24 amSAN - CMI
3 stops12h 10mAmerican Airlines
Deal found 5/31$1,005
Sun 6/307:04 amCMI - SAN
2 stops10h 07mAmerican Airlines
Sun 7/76:24 amSAN - CMI
3 stops12h 10mAmerican Airlines
Deal found 5/31$1,031

Cheap Champaign to San Diego flights in June & July 2024

Find cheap flight options from Champaign to San Diego specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on June 1, 2024.
Fri 5/314:30 pmCMI - SAN
1 stop8h 44mAmerican Airlines
Sun 6/210:50 amSAN - CMI
1 stop7h 45mAmerican Airlines
Deal found 5/31$318
Fri 5/314:30 pmCMI - SAN
1 stop8h 44mAmerican Airlines
Sun 6/210:00 amSAN - CMI
2 stops8h 35mAmerican Airlines
Deal found 5/31$443
Sat 6/111:26 amCMI - SAN
2 stops8h 40mAmerican Airlines
Sun 6/210:00 amSAN - CMI
2 stops8h 35mAmerican Airlines
Deal found 5/31$618
Sun 6/306:14 amCMI - SAN
1 stop6h 15mAmerican Airlines
Sun 7/79:54 amSAN - CMI
1 stop8h 40mAmerican Airlines
Deal found 5/31$781
Sun 6/306:14 amCMI - SAN
1 stop6h 15mAmerican Airlines
Sun 7/76:24 amSAN - CMI
2 stops12h 10mAmerican Airlines
Deal found 5/31$842
Sun 6/307:04 amCMI - SAN
2 stops10h 07mAmerican Airlines
Sun 7/79:42 pmSAN - CMI
2 stops14h 43mAmerican Airlines
Deal found 5/31$934
Sun 6/307:04 amCMI - SAN
2 stops10h 07mAmerican Airlines
Sun 7/76:24 amSAN - CMI
3 stops12h 10mAmerican Airlines
Deal found 5/31$1,031
Fri 5/314:30 pmCMI - SAN
2 stops18h 29mAmerican Airlines
Sun 6/210:00 amSAN - CMI
2 stops8h 35mAmerican Airlines
Deal found 5/31$1,075
Sat 6/111:26 amCMI - SAN
2 stops8h 40mAmerican Airlines
Sun 6/26:22 amSAN - CMI
3 stops13h 11mAmerican Airlines
Deal found 5/31$1,373

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 2,784,634 searches. Data last updated June 1, 2024.
Fri 5/314:30 pmCMI - SAN
1 stop8h 44mAmerican Airlines
Sun 6/210:50 amSAN - CMI
1 stop7h 45mAmerican Airlines
Deal found 5/31$318
Fri 5/314:30 pmCMI - SAN
1 stop8h 44mAmerican Airlines
Sun 6/210:00 amSAN - CMI
2 stops8h 35mAmerican Airlines
Deal found 5/31$443
Wed 7/103:51 pmCMI - SAN
1 stop6h 07mAmerican Airlines
Wed 7/1712:34 pmSAN - CMI
1 stop6h 00mAmerican Airlines
Deal found 5/31$488
Wed 7/107:07 amCMI - SAN
2 stops10h 06mAmerican Airlines
Wed 7/177:14 amSAN - CMI
1 stop5h 59mAmerican Airlines
Deal found 5/31$493
Wed 7/107:07 amCMI - SAN
2 stops10h 06mAmerican Airlines
Wed 7/179:47 amSAN - CMI
2 stops8h 47mAmerican Airlines
Deal found 5/31$498
Sat 6/111:26 amCMI - SAN
2 stops8h 40mAmerican Airlines
Sun 6/210:00 amSAN - CMI
2 stops8h 35mAmerican Airlines
Deal found 5/31$618
Sun 6/306:14 amCMI - SAN
1 stop6h 15mAmerican Airlines
Sun 7/79:54 amSAN - CMI
1 stop8h 40mAmerican Airlines
Deal found 5/31$781
Sun 6/306:14 amCMI - SAN
1 stop6h 15mAmerican Airlines
Sun 7/76:24 amSAN - CMI
2 stops12h 10mAmerican Airlines
Deal found 5/31$842
Sun 6/307:04 amCMI - SAN
2 stops10h 07mAmerican Airlines
Sun 7/79:42 pmSAN - CMI
2 stops14h 43mAmerican Airlines
Deal found 5/31$934

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 2,784,634 searches. Data last updated June 1, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$488 - $1,031

Route

Depart

Return

Price

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 7/10

1 stop6h 07m

San Diego

Wed 7/17

1 stop6h 00m

$488

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 7/10

2 stops10h 06m

San Diego

Wed 7/17

1 stop5h 59m

$493

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 7/10

2 stops10h 06m

San Diego

Wed 7/17

2 stops8h 47m

$498

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sun 6/30

1 stop6h 15m

San Diego

Sun 7/7

1 stop8h 40m

$781

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sun 6/30

1 stop6h 15m

San Diego

Sun 7/7

2 stops12h 10m

$842

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sun 6/30

2 stops10h 07m

San Diego

Sun 7/7

2 stops14h 43m

$934

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 7/10

2 stops10h 59m

San Diego

Wed 7/17

3 stops12h 10m

$1,005

Champaign University-WillardSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sun 6/30

2 stops10h 07m

San Diego

Sun 7/7

3 stops12h 10m

$1,031

Flights are sorted by cheapest first

Deals found on 5/31

What is the cheapest day 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 June 1, 2024.
American Airlines
7.3
Good
14,268 reviews
Check prices

Entertainment

7.1

Boarding

7.6

Food

6.6

Comfort

7.2

Overall

7.3

Crew

8.0

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
14,268 reviews
American Airlines
7.3
Good
14,268 reviews
Check prices

Entertainment

7.1

Boarding

7.6

Food

6.6

Comfort

7.2

Overall

7.3

Crew

8.0

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 $759.

  • 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 5/31.

  • What is the cheapest month 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 $349). 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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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 2,784,634 searches. Data last updated June 1, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$180Average$589FlexibilityNo cancel feeOn-time71%
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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.
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Business Class
Prem Econ Class
Economy Class

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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.

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