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Cheap flights from Champaign to San Diego from $193

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 7/20. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
4:52 pm - 11:47 pm
CMI
-
SAN
8h 55m
1 stop
American Airlines Logo
9:48 am - 8:28 pm
SAN
-
CMI
8h 40m
1 stop
$386American Airlines
Sun, Aug 23 - Wed, Aug 26
American Airlines Logo
4:54 pm - 11:47 pm
CMI
-
SAN
8h 53m
1 stop
American Airlines Logo
12:08 pm - 9:46 pm
SAN
-
CMI
7h 38m
1 stop
$399American Airlines
Tue, Sep 8 - Thu, Sep 17
American Airlines Logo
6:36 pm - 11:55 pm
CMI
-
SAN
7h 19m
1 stop
American Airlines Logo
6:15 am - 4:24 pm
SAN
-
CMI
8h 09m
1 stop
$434American Airlines
Sat, Aug 8 - Wed, Aug 12
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
$491American Airlines
Tue, Jul 14 - Sat, Jul 18
American Airlines Logo
6:36 pm - 11:55 pm
CMI
-
SAN
7h 19m
1 stop
American Airlines Logo
9:40 am - 10:00 pm
SAN
-
CMI
10h 20m
2 stops
$496American Airlines
Sat, Aug 8 - Wed, Aug 12
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
$503American Airlines
Thu, Jul 16 - Mon, Jul 20
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
$514American Airlines
Tue, Jul 14 - Sat, Jul 18
American Airlines Logo
4:54 pm - 11:47 pm
CMI
-
SAN
8h 53m
1 stop
American Airlines Logo
9:46 am - 8:56 pm
SAN
-
CMI
9h 10m
2 stops
$520American Airlines
Tue, Sep 8 - Thu, Sep 17
American Airlines Logo
6:36 pm - 11:26 pm
CMI
-
SAN
6h 50m
1 stop
American Airlines Logo
9:41 am - 9:02 pm
SAN
-
CMI
9h 21m
2 stops
$544American Airlines
Thu, Jul 16 - Mon, Jul 20
American Airlines Logo
12:21 pm - 7:28 pm
CMI
-
SAN
9h 07m
1 stop
American Airlines Logo
10:06 am - 8:25 pm
SAN
-
CMI
8h 19m
1 stop
$548American Airlines
Fri, Oct 9 - Sun, Oct 11

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American Airlines flights from Champaign to San Diego

Our best American Airlines deals on Champaign to San Diego flight tickets
American Airlines
Aug 23
CMI4:52 pmChampaign University-Willard
8h 55m
1 stop
SAN11:47 pmSan Diego
Aug 26
SAN9:48 amSan Diego
8h 40m
1 stop
CMI8:28 pmChampaign University-Willard
$386
American Airlines
Sep 8
CMI4:54 pmChampaign University-Willard
8h 53m
1 stop
SAN11:47 pmSan Diego
Sep 17
SAN12:08 pmSan Diego
7h 38m
1 stop
CMI9:46 pmChampaign University-Willard
$399
American Airlines
Aug 8
CMI6:36 pmChampaign University-Willard
7h 19m
1 stop
SAN11:55 pmSan Diego
Aug 12
SAN6:15 amSan Diego
8h 09m
1 stop
CMI4:24 pmChampaign University-Willard
$434

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 July 2, 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

Sun 8/23

4:52 pm-11:47 pm

1 stop8h 55m

San Diego

Wed 8/26

9:48 am-8:28 pm

1 stop8h 40m

$386

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Tue 9/8

4:54 pm-11:47 pm

1 stop8h 53m

San Diego

Thu 9/17

12:08 pm-9:46 pm

1 stop7h 38m

$399
Quickest round-trip

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sat 8/8

6:36 pm-11:55 pm

1 stop7h 19m

San Diego

Wed 8/12

6:15 am-4:24 pm

1 stop8h 09m

$434

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Tue 7/14

6:36 pm-11:26 pm

1 stop6h 50m

San Diego

Sat 7/18

9:41 am-9:59 pm

2 stops10h 18m

$491

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Sat 8/8

6:36 pm-11:55 pm

1 stop7h 19m

San Diego

Wed 8/12

9:40 am-10:00 pm

2 stops10h 20m

$496

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Thu 7/16

6:36 pm-11:26 pm

1 stop6h 50m

San Diego

Mon 7/20

11:07 am-9:59 pm

1 stop8h 52m

$503

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Tue 7/14

6:36 pm-11:26 pm

1 stop6h 50m

San Diego

Sat 7/18

11:07 am-9:59 pm

1 stop8h 52m

$514

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Tue 9/8

4:54 pm-11:47 pm

1 stop8h 53m

San Diego

Thu 9/17

9:46 am-8:56 pm

2 stops9h 10m

$520

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Thu 7/16

6:36 pm-11:26 pm

1 stop6h 50m

San Diego

Mon 7/20

9:41 am-9:02 pm

2 stops9h 21m

$544

ChampaignSan Diego

CMI - SAN

CMISAN

Champaign University-Willard

Fri 10/9

12:21 pm-7:28 pm

1 stop9h 07m

San Diego

Sun 10/11

10:06 am-8:25 pm

1 stop8h 19m

$548

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 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 44m

Direct flights

None
The fastest flight from Champaign to San Diego takes 6h 44m
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 44m 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 $379Free CancellationRating
7.1
11,769 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
Chula Vista
Coronado
El Cajon
Julian
National City
La Mesa
Poway
San Ysidro
Imperial Beach
Borrego Springs
Santee
Lemon Grove
Alpine

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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