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Cheap flights from Champaign to San Diego from $358

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Champaign to San Diego departing on 5/1. 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.
United Airlines Logo
9:49 am - 3:33 pm
CMI
-
SAN
7h 44m
1 stop
United Airlines Logo
10:40 pm - 9:06 am
SAN
-
CMI
8h 26m
1 stop
$358United Airlines
Fri, May 1 - Sun, May 3
United Airlines Logo
1:36 pm - 6:41 pm
CMI
-
SAN
7h 05m
1 stop
United Airlines Logo
8:45 pm - 9:06 am
SAN
-
CMI
10h 21m
2 stops
$364United Airlines
Fri, May 1 - Sun, May 3
United Airlines Logo
1:32 pm - 7:55 pm
CMI
-
SAN
8h 23m
2 stops
United Airlines Logo
6:20 am - 5:28 pm
SAN
-
CMI
9h 08m
2 stops
$369United Airlines
Sat, Sep 19 - Sat, Sep 26
United Airlines Logo
1:36 pm - 6:41 pm
CMI
-
SAN
7h 05m
1 stop
United Airlines Logo
10:40 pm - 9:06 am
SAN
-
CMI
8h 26m
1 stop
$370United Airlines
Thu, Apr 30 - Sun, May 3
United Airlines Logo
1:36 pm - 6:41 pm
CMI
-
SAN
7h 05m
1 stop
United Airlines Logo
8:45 pm - 9:06 am
SAN
-
CMI
10h 21m
2 stops
$375United Airlines
Thu, Apr 30 - Sun, May 3
American Airlines Logo
2:28 pm - 8:43 pm
CMI
-
SAN
8h 15m
1 stop
American Airlines Logo
12:17 pm - 8:57 pm
SAN
-
CMI
6h 40m
1 stop
$386American Airlines
Tue, Apr 7 - Sat, Apr 11
United Airlines Logo
6:00 am - 11:25 am
CMI
-
SAN
7h 25m
1 stop
United Airlines Logo
2:14 pm - 12:03 am
SAN
-
CMI
7h 49m
1 stop
$458United Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
6:00 am - 11:25 am
CMI
-
SAN
7h 25m
1 stop
United Airlines Logo
6:26 pm - 9:06 am
SAN
-
CMI
12h 40m
2 stops
$464United Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
6:00 am - 5:19 pm
CMI
-
SAN
13h 19m
2 stops
United Airlines Logo
6:05 pm - 9:06 am
SAN
-
CMI
13h 01m
2 stops
$469United Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
1:36 pm - 11:59 pm
CMI
-
SAN
12h 23m
2 stops
United Airlines Logo
6:05 pm - 9:06 am
SAN
-
CMI
13h 01m
2 stops
$483United Airlines
Thu, Apr 30 - Sun, May 3

American Airlines flights from Champaign to San Diego

Our best American Airlines deals on Champaign to San Diego flight tickets
American Airlines
Apr 7
CMI2:28 pmChampaign University-Willard
8h 15m
1 stop
SAN8:43 pmSan Diego
Apr 11
SAN12:17 pmSan Diego
6h 40m
1 stop
CMI8:57 pmChampaign University-Willard
$386
American Airlines
Apr 7
CMI6:58 pmChampaign University-Willard
6h 35m
1 stop
SAN11:33 pmSan Diego
Apr 11
SAN9:28 amSan Diego
9h 29m
2 stops
CMI8:57 pmChampaign University-Willard
$502
American Airlines
May 31
CMI2:46 pmChampaign University-Willard
6h 33m
1 stop
SAN7:19 pmSan Diego
Jun 4
SAN9:57 amSan Diego
9h 11m
1 stop
CMI9:08 pmChampaign University-Willard
$588

United Airlines flights from Champaign to San Diego

Our best United Airlines deals on Champaign to San Diego flight tickets
United Airlines
May 1
CMI9:49 amChampaign University-Willard
7h 44m
1 stop
SAN3:33 pmSan Diego
May 3
SAN10:40 pmSan Diego
8h 26m
1 stop
CMI9:06 amChampaign University-Willard
$358
United Airlines
May 1
CMI1:36 pmChampaign University-Willard
7h 05m
1 stop
SAN6:41 pmSan Diego
May 3
SAN8:45 pmSan Diego
10h 21m
2 stops
CMI9:06 amChampaign University-Willard
$364
United Airlines
Sep 19
CMI1:32 pmChampaign University-Willard
8h 23m
2 stops
SAN7:55 pmSan Diego
Sep 26
SAN6:20 amSan Diego
9h 08m
2 stops
CMI5:28 pmChampaign University-Willard
$369

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 March 28, 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

Fri 5/1

9:49 am-3:33 pm

1 stop7h 44m

San Diego

Sun 5/3

10:40 pm-9:06 am

1 stop8h 26m

$358

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Fri 5/1

1:36 pm-6:41 pm

1 stop7h 05m

San Diego

Sun 5/3

8:45 pm-9:06 am

2 stops10h 21m

$364

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sat 9/19

1:32 pm-7:55 pm

2 stops8h 23m

San Diego

Sat 9/26

6:20 am-5:28 pm

2 stops9h 08m

$369

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Thu 4/30

1:36 pm-6:41 pm

1 stop7h 05m

San Diego

Sun 5/3

10:40 pm-9:06 am

1 stop8h 26m

$370

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Thu 4/30

1:36 pm-6:41 pm

1 stop7h 05m

San Diego

Sun 5/3

8:45 pm-9:06 am

2 stops10h 21m

$375
Quickest round-trip

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Tue 4/7

2:28 pm-8:43 pm

1 stop8h 15m

San Diego

Sat 4/11

12:17 pm-8:57 pm

1 stop6h 40m

$386

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sat 5/2

6:00 am-11:25 am

1 stop7h 25m

San Diego

Wed 5/6

2:14 pm-12:03 am

1 stop7h 49m

$458

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sat 5/2

6:00 am-11:25 am

1 stop7h 25m

San Diego

Wed 5/6

6:26 pm-9:06 am

2 stops12h 40m

$464

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sat 5/2

6:00 am-5:19 pm

2 stops13h 19m

San Diego

Wed 5/6

6:05 pm-9:06 am

2 stops13h 01m

$469

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Thu 4/30

1:36 pm-11:59 pm

2 stops12h 23m

San Diego

Sun 5/3

6:05 pm-9:06 am

2 stops13h 01m

$483

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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?

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 58m

Direct flights

None
The fastest flight from Champaign to San Diego takes 6h 58m
There are no direct flights from Champaign to San Diego. There are no popular flight routes from Champaign to San Diego.
Search flight deals

  • 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 58m 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 $336Free CancellationRating
7.1
11,520 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
Imperial Beach
La Mesa
Borrego Springs
Alpine
Santee
Lemon Grove

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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