Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Champaign to San Diego from $288

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 3/7. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
12:05 pm - 10:34 pm
CMI
-
SAN
12h 29m
1 stop
American Airlines Logo
6:20 am - 9:30 pm
SAN
-
CMI
13h 10m
1 stop
$288American Airlines
Sat, Mar 7 - Sat, Mar 14
American Airlines Logo
12:05 pm - 10:34 pm
CMI
-
SAN
12h 29m
1 stop
American Airlines Logo
10:35 pm - 3:17 pm
SAN
-
CMI
14h 42m
1 stop
$314American Airlines
Sat, Mar 7 - Sat, Mar 14
American Airlines Logo
6:15 am - 9:43 pm
CMI
-
SAN
17h 28m
1 stop
American Airlines Logo
3:19 pm - 9:22 am
SAN
-
CMI
16h 03m
1 stop
$324American Airlines
Sun, Mar 8 - Tue, Mar 17
American Airlines Logo
3:47 pm - 8:20 pm
CMI
-
SAN
6h 33m
1 stop
American Airlines Logo
10:35 pm - 9:02 am
SAN
-
CMI
8h 27m
1 stop
$326American Airlines
Tue, Feb 24 - Sat, Feb 28
American Airlines Logo
9:52 am - 2:23 pm
CMI
-
SAN
6h 31m
1 stop
American Airlines Logo
7:52 pm - 9:22 am
SAN
-
CMI
11h 30m
2 stops
$332American Airlines
Sun, Mar 8 - Tue, Mar 17
United Airlines Logo
1:32 pm - 11:59 pm
CMI
-
SAN
12h 27m
2 stops
United Airlines Logo
10:40 pm - 8:54 am
SAN
-
CMI
8h 14m
1 stop
$394United Airlines
Thu, Jul 16 - Tue, Jul 28
American Airlines Logo
7:00 am - 4:00 pm
CMI
-
SAN
11h 00m
2 stops
American Airlines Logo
10:50 am - 8:54 pm
SAN
-
CMI
8h 04m
1 stop
$413American Airlines
Sat, Feb 28 - Sat, Mar 7
American Airlines Logo
3:47 pm - 8:20 pm
CMI
-
SAN
6h 33m
1 stop
American Airlines Logo
10:35 pm - 9:22 am
SAN
-
CMI
8h 47m
1 stop
$416American Airlines
Sun, Mar 8 - Wed, Mar 18
American Airlines Logo
3:47 pm - 9:43 pm
CMI
-
SAN
7h 56m
1 stop
American Airlines Logo
7:52 pm - 9:22 am
SAN
-
CMI
11h 30m
2 stops
$422American Airlines
Sun, Mar 8 - Sun, Mar 15
American Airlines Logo
7:00 am - 4:00 pm
CMI
-
SAN
11h 00m
2 stops
American Airlines Logo
10:35 pm - 9:02 am
SAN
-
CMI
8h 27m
1 stop
$454American Airlines
Tue, Feb 24 - Sat, Feb 28

American Airlines flights from Champaign to San Diego

Our best American Airlines deals on Champaign to San Diego flight tickets
American Airlines
Mar 7
CMI12:05 pmChampaign University-Willard
12h 29m
1 stop
SAN10:34 pmSan Diego
Mar 14
SAN6:20 amSan Diego
13h 10m
1 stop
CMI9:30 pmChampaign University-Willard
$288
American Airlines
Mar 7
CMI12:05 pmChampaign University-Willard
12h 29m
1 stop
SAN10:34 pmSan Diego
Mar 14
SAN10:35 pmSan Diego
14h 42m
1 stop
CMI3:17 pmChampaign University-Willard
$314
American Airlines
Mar 8
CMI6:15 amChampaign University-Willard
17h 28m
1 stop
SAN9:43 pmSan Diego
Mar 17
SAN3:19 pmSan Diego
16h 03m
1 stop
CMI9:22 amChampaign University-Willard
$324

United Airlines flights from Champaign to San Diego

Our best United Airlines deals on Champaign to San Diego flight tickets
United Airlines
Jul 16
CMI1:32 pmChampaign University-Willard
12h 27m
2 stops
SAN11:59 pmSan Diego
Jul 28
SAN10:40 pmSan Diego
8h 14m
1 stop
CMI8:54 amChampaign University-Willard
$394
United Airlines
Jul 18
CMI6:30 amChampaign University-Willard
6h 51m
1 stop
SAN11:21 amSan Diego
Jul 28
SAN10:40 pmSan Diego
8h 14m
1 stop
CMI8:54 amChampaign University-Willard
$456
United Airlines
Jul 17
CMI1:32 pmChampaign University-Willard
6h 53m
1 stop
SAN6:25 pmSan Diego
Jul 28
SAN10:40 pmSan Diego
8h 14m
1 stop
CMI8:54 amChampaign University-Willard
$458

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 February 10, 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

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sat 3/7

12:05 pm-10:34 pm

1 stop12h 29m

San Diego

Sat 3/14

6:20 am-9:30 pm

1 stop13h 10m

$288

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sat 3/7

12:05 pm-10:34 pm

1 stop12h 29m

San Diego

Sat 3/14

10:35 pm-3:17 pm

1 stop14h 42m

$314

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sun 3/8

6:15 am-9:43 pm

1 stop17h 28m

San Diego

Tue 3/17

3:19 pm-9:22 am

1 stop16h 03m

$324

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Tue 2/24

3:47 pm-8:20 pm

1 stop6h 33m

San Diego

Sat 2/28

10:35 pm-9:02 am

1 stop8h 27m

$326

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sun 3/8

9:52 am-2:23 pm

1 stop6h 31m

San Diego

Tue 3/17

7:52 pm-9:22 am

2 stops11h 30m

$332

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Thu 7/16

1:32 pm-11:59 pm

2 stops12h 27m

San Diego

Tue 7/28

10:40 pm-8:54 am

1 stop8h 14m

$394

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sat 2/28

7:00 am-4:00 pm

2 stops11h 00m

San Diego

Sat 3/7

10:50 am-8:54 pm

1 stop8h 04m

$413

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sun 3/8

3:47 pm-8:20 pm

1 stop6h 33m

San Diego

Wed 3/18

10:35 pm-9:22 am

1 stop8h 47m

$416

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sun 3/8

3:47 pm-9:43 pm

1 stop7h 56m

San Diego

Sun 3/15

7:52 pm-9:22 am

2 stops11h 30m

$422

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Tue 2/24

7:00 am-4:00 pm

2 stops11h 00m

San Diego

Sat 2/28

10:35 pm-9:02 am

1 stop8h 27m

$454

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 cheapest airline that flies from Champaign University-Willard to San Diego?

American Airlines is the most popular carrier operating from Champaign University-Willard to 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 33m

Direct flights

None
The fastest flight from Champaign to San Diego takes 6h 33m
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 33m 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
7.2
11,262 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
Poway
National City
Imperial Beach
San Ysidro
Borrego Springs
La Mesa
Alpine
Lemon Grove
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.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 3/12
Thu 3/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States