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Cheap flights from Champaign to San Diego from $242

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Champaign to San Diego departing on 6/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Champaign to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:36 pm - 11:26 pm
CMI
-
SAN
6h 50m
1 stop
American Airlines Logo
9:41 am - 9:59 pm
SAN
-
CMI
10h 18m
2 stops
$409American Airlines
Tue, Jul 7 - Sat, Jul 11
American Airlines Logo
6:36 pm - 11:26 pm
CMI
-
SAN
6h 50m
1 stop
American Airlines Logo
11:07 am - 9:59 pm
SAN
-
CMI
8h 52m
1 stop
$439American Airlines
Tue, Jul 7 - Sat, Jul 11
American Airlines Logo
6:43 pm - 11:48 pm
CMI
-
SAN
7h 05m
1 stop
American Airlines Logo
10:05 am - 8:59 pm
SAN
-
CMI
8h 54m
1 stop
$484American Airlines
Thu, Jun 25 - Mon, Jun 29
American Airlines Logo
2:46 pm - 8:07 pm
CMI
-
SAN
7h 21m
1 stop
American Airlines Logo
7:28 am - 6:09 pm
SAN
-
CMI
8h 41m
1 stop
$503American Airlines
Wed, May 27 - Sun, May 31
American Airlines Logo
2:46 pm - 9:34 pm
CMI
-
SAN
8h 48m
2 stops
American Airlines Logo
7:28 am - 6:09 pm
SAN
-
CMI
8h 41m
1 stop
$509American Airlines
Wed, May 27 - Sun, May 31
American Airlines Logo
6:43 pm - 9:15 am
CMI
-
SAN
16h 32m
1 stop
American Airlines Logo
10:45 pm - 6:12 pm
SAN
-
CMI
17h 27m
1 stop
$519American Airlines
Mon, Jun 8 - Sun, Jun 14
American Airlines Logo
6:43 pm - 11:48 pm
CMI
-
SAN
7h 05m
1 stop
American Airlines Logo
6:25 am - 6:12 pm
SAN
-
CMI
9h 47m
2 stops
$525American Airlines
Thu, Jun 25 - Mon, Jun 29
American Airlines Logo
4:48 pm - 11:34 pm
CMI
-
SAN
8h 46m
1 stop
American Airlines Logo
6:15 am - 4:18 pm
SAN
-
CMI
8h 03m
1 stop
$528American Airlines
Fri, Sep 4 - Mon, Sep 7
American Airlines Logo
2:46 pm - 9:34 pm
CMI
-
SAN
8h 48m
2 stops
American Airlines Logo
9:41 am - 9:59 pm
SAN
-
CMI
10h 18m
2 stops
$532American Airlines
Wed, Jul 8 - Sat, Jul 11
American Airlines Logo
7:00 am - 2:49 pm
CMI
-
SAN
9h 49m
2 stops
American Airlines Logo
6:15 am - 2:19 pm
SAN
-
CMI
6h 04m
1 stop
$582American Airlines
Wed, Sep 23 - Sun, Sep 27

American Airlines flights from Champaign to San Diego

Our best American Airlines deals on Champaign to San Diego flight tickets
American Airlines
Jul 7
CMI6:36 pmChampaign University-Willard
6h 50m
1 stop
SAN11:26 pmSan Diego
Jul 11
SAN9:41 amSan Diego
10h 18m
2 stops
CMI9:59 pmChampaign University-Willard
$409
American Airlines
Jul 7
CMI6:36 pmChampaign University-Willard
6h 50m
1 stop
SAN11:26 pmSan Diego
Jul 11
SAN11:07 amSan Diego
8h 52m
1 stop
CMI9:59 pmChampaign University-Willard
$439
American Airlines
Jun 25
CMI6:43 pmChampaign University-Willard
7h 05m
1 stop
SAN11:48 pmSan Diego
Jun 29
SAN10:05 amSan Diego
8h 54m
1 stop
CMI8:59 pmChampaign University-Willard
$484

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated May 14, 2026.
Use the filters below to find and compare flights from Champaign to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Tue 7/7

6:36 pm-11:26 pm

1 stop6h 50m

San Diego

Sat 7/11

9:41 am-9:59 pm

2 stops10h 18m

$409
Quickest round-trip

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Tue 7/7

6:36 pm-11:26 pm

1 stop6h 50m

San Diego

Sat 7/11

11:07 am-9:59 pm

1 stop8h 52m

$439

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Thu 6/25

6:43 pm-11:48 pm

1 stop7h 05m

San Diego

Mon 6/29

10:05 am-8:59 pm

1 stop8h 54m

$484

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 5/27

2:46 pm-8:07 pm

1 stop7h 21m

San Diego

Sun 5/31

7:28 am-6:09 pm

1 stop8h 41m

$503

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 5/27

2:46 pm-9:34 pm

2 stops8h 48m

San Diego

Sun 5/31

7:28 am-6:09 pm

1 stop8h 41m

$509

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Mon 6/8

6:43 pm-9:15 am

1 stop16h 32m

San Diego

Sun 6/14

10:45 pm-6:12 pm

1 stop17h 27m

$519

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Thu 6/25

6:43 pm-11:48 pm

1 stop7h 05m

San Diego

Mon 6/29

6:25 am-6:12 pm

2 stops9h 47m

$525

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Fri 9/4

4:48 pm-11:34 pm

1 stop8h 46m

San Diego

Mon 9/7

6:15 am-4:18 pm

1 stop8h 03m

$528

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 7/8

2:46 pm-9:34 pm

2 stops8h 48m

San Diego

Sat 7/11

9:41 am-9:59 pm

2 stops10h 18m

$532

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Wed 9/23

7:00 am-2:49 pm

2 stops9h 49m

San Diego

Sun 9/27

6:15 am-2:19 pm

1 stop6h 04m

$582

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Champaign to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Champaign and San Diego?

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of July, then departing from Champaign during the month January is also very affordable. Most momondo users find prices during this month for around $0.

When to book flights from Champaign to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Champaign to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Champaign to San Diego (CMI to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Champaign to San Diego

Fastest flight time

6h 50m

Direct flights

None
The fastest flight from Champaign to San Diego takes 6h 50m
There are no direct flights from Champaign to San Diego. There are no popular flight routes from Champaign to San Diego.
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Frequently asked questions about flying from Champaign to San Diego

  • How far is Champaign University-Willard to San Diego by plane?

    There are 1678.1 mi between Champaign University-Willard and San Diego. Typically, this will take 6h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Champaign University-Willard Airport to San Diego Airport?

    Prices for flights from Champaign University-Willard Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from Champaign University-Willard Airport to San Diego Airport?

  • How old do you have to be to fly from Champaign University-Willard Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Champaign University-Willard Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Champaign to San Diego?

Best airlines flying from Champaign to San Diego

Compare and see reviews for airlines that fly from Champaign to San Diego with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $360Free CancellationRating
7.1
11,664 reviews
Search American Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
Poway
San Ysidro
La Mesa
Imperial Beach
Borrego Springs
Lemon Grove
Alpine
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Champaign to San Diego?

Finding the right flight to San Diego from Champaign is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

Can I find flights from Champaign to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Champaign to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from Champaign to San Diego?

momondo provides multiple filters to help you find the best flight to San Diego from Champaign. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Champaign to San Diego right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Champaign to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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