Cheap flights from Champaign to San Diego from $430
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 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from Champaign to San Diego
Cheap round-trip flights
Cheap one-way flights
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.American Airlines flights from Champaign to San Diego
Our best American Airlines deals on Champaign to San Diego flight tickets
momondo Fare Finder
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
ChampaignSan Diego
CMI Champaign University-Willard - SAN San Diego
CMISAN
Champaign University-Willard
Sat 12/12
5:59 am-12:43 pm
1 stop8h 44m
San Diego
Tue 12/15
10:14 am-6:30 pm
1 stop6h 16m
ChampaignSan Diego
CMI Champaign University-Willard - SAN San Diego
CMISAN
Champaign University-Willard
Sat 12/12
2:32 pm-7:07 pm
1 stop6h 35m
San Diego
Tue 12/15
6:25 am-8:25 pm
2 stops12h 00m
ChampaignSan Diego
CMI Champaign University-Willard - SAN San Diego
CMISAN
Champaign University-Willard
Wed 12/2
2:32 pm-9:12 pm
1 stop8h 40m
San Diego
Sun 12/6
11:34 am-8:25 pm
1 stop6h 51m
ChampaignSan Diego
CMI Champaign University-Willard - SAN San Diego
CMISAN
Champaign University-Willard
Sat 12/12
2:32 pm-7:07 pm
1 stop6h 35m
San Diego
Tue 12/15
6:25 am-8:25 pm
2 stops12h 00m
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
Which airport is the most popular layover for flights between Champaign and San Diego?
Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Champaign to San Diego?
Flights via Atlanta (ATL) offer the lowest average round-trip price of $308.
Which layover airport has the shortest travel time from Champaign to San Diego?
Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 8h 07m.
Which layover airport has the shortest connection time from Champaign to San Diego?
Atlanta (ATL) has the shortest average layover time for this route: 1h 54m.
When to book flights from Champaign to San Diego
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
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 8h 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?
As of October 2026, there is 1 operator available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Champaign to San Diego is American Airlines, representing 100% of all bookings.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $379 | Free Cancellation | Rating 7.0 12,152 reviews |
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy 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.