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

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Cheap flights from Illinois to San Diego in May, June 2020

The best prices found for Illinois to SAN flights for May, June
5 Jun - 8 Jul
$114pp
ORD
Chicago O'Hare Intl
$self.airline
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
4 Jun - 10 Jun
$119pp
ORD
Chicago O'Hare Intl
$self.airline
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
4 Jun - 6 Jun
$123pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl

Illinois to San Diego 2020 flight deals

Cheap flights to San Diego from Illinois found for this year
15 Jul - 21 Jul
$74pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
18 Aug - 26 Aug
$77pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
15 Jul - 22 Jul
$80pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Non-stop flights to San Diego from Illinois

Save time with Illinois to San Diego direct flight deals
15 Jul - 21 Jul
$74pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
18 Aug - 26 Aug
$77pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
20 Aug - 25 Aug
$93pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Illinois to San Diego

Late deals on round-trip flights to San Diego from Illinois, departing today and this week
29 May - 3 Jun
$184pp
ORD
Chicago O'Hare Intl
$self.airline
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
29 May - 2 Jun
$187pp
ORD
Chicago O'Hare Intl
$self.airline
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
29 May - 30 May
$188pp
ORD
Chicago O'Hare Intl
$self.airline
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to San Diego from Illinois

The cheapest one-way flights from Illinois to San Diego
12:00 pm - 7:04 am
Spirit Airlines
1 Stop
21h 04m
ORD - SAN
Spirit Airlines
$94
Kiwi.com
2:50 am - 11:55 am
Delta
2 Stops
11h 05m
ORD - SAN
Delta
$103
Delta
5:30 pm - 7:04 am
Multiple Airlines
1 Stop
15h 34m
ORD - SAN
Multiple Airlines
$107
Kiwi.com

Related info for your journey

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

Flight FAQs

From Illinois to San Diego

Are flight prices decreasing from Illinois to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Illinois and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Illinois to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Illinois to San Diego for under $100. The cheapest flight booked recently is on Spirit Airlines for just $74, but on average you can expect to pay $92.

Are there nonstop flights from Illinois to San Diego for under $100 on Cheapflights?

Cheapflights has at least 3 direct flights from Illinois to San Diego under $100. A good price for a nonstop flight from Illinois to San Diego is less than $81.

Are there last-minute flights available from Illinois to San Diego for under $200?

There are currently 6+ open flights from Illinois to San Diego within the next 7 days for less than $200.

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

You can find nonstop flights on the following days: Sunday, Monday, Tuesday.

How popular is this flight route?

This flight path from Illinois to San Diego was viewed by 401 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 $249 for a flight from Illinois to San Diego. The cheapest flight overall is $64 while the most popular route, (Chicago O'Hare Intl - San Diego) is currently priced at $73.

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 Spirit Airlines (96%), Brussels Airlines (86%) and Austrian Airlines (85%).

Arrival 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 11m
Average temperature for May in San Diego
71.6 °F
Avg rainfall for May in San Diego
0.2 ″

Airports servicing

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

Airports servicing San Diego