Menu

Cheap flights from Illinois (IL) to San Diego (SAN)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

Departure points for flights from Illinois to San Diego

Destination information for San Diego

Things to know before you go. Useful info for your trip from Illinois to San Diego
Flight duration
4h 17m
Average temperature for December in San Diego
68.0 °F
Avg rainfall for December in San Diego
2.4 ″

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Airports servicing San Diego

Related info for your journey

Useful info, stats and facts about Illinois to San Diego flights.

Flight FAQs

From Illinois to San Diego

What days are nonstop flights available from Illinois to San Diego?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

This flight path from Illinois to San Diego was viewed by 420 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the most popular airlines that fly from Illinois to San Diego?

Before booking your flight from Illinois to San Diego check out the most popular airlines for this route: American Airlines, Delta or Frontier.

What are the most popular routes from Illinois to San Diego?

When deciding which route to take from Illinois to San Diego consider Chicago O'Hare Intl - San Diego, Chicago Midway - San Diego or Moline Quad-City - San Diego as they are the most popular.

What are the cheapest Flights from Illinois to San Diego?

On average you can expect to pay $238 for a flight from Illinois to San Diego. The cheapest flight overall is $63 while the most popular route, (Chicago O'Hare Intl - San Diego) is currently priced at $117.

What are the most reliable airlines from Illinois to San Diego?

The top 3 most reliable airlines when flying from Illinois to San Diego are Gulf Air (82%), Spirit Airlines (81%) and Finnair (78%).