Find a great deal and save up to 27% by booking at least 52 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Diego to Illinois within the next two weeks, with the cheapest ticket starting at $317.
Our data shows that September tends to be the cheapest month to fly to Illinois from San Diego. Users have commonly found prices around $400 for the month, but tickets can be as low as $133. Due to multiple factors, prepare for potentially higher prices in June.
When flying from San Diego to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$127 - $313
Route
Depart
Return
Price
San DiegoChicago O'Hare Intl
SAN - ORD
SANORD
San Diego
Fri 8/23
1 stop6h 06m
Chicago O'Hare Intl
Mon 8/26
1 stop27h 52m
San DiegoLambert-St Louis
SAN - STL
SANSTL
San Diego
Wed 7/24
1 stop5h 20m
Lambert-St Louis
Wed 8/14
1 stop12h 24m
San DiegoChicago Midway
SAN - MDW
SANMDW
San Diego
Mon 9/9
1 stop7h 52m
Chicago Midway
Sat 9/14
1 stop16h 04m
San DiegoChicago O'Hare Intl
SAN - ORD
SANORD
San Diego
Sat 8/24
1 stop13h 33m
Chicago O'Hare Intl
Tue 8/27
1 stop12h 57m
San DiegoChicago O'Hare Intl
SAN - ORD
SANORD
San Diego
Sat 8/24
1 stop13h 33m
Chicago O'Hare Intl
Tue 8/27
2 stops29h 18m
San DiegoChicago O'Hare Intl
SAN - ORD
SANORD
San Diego
Sat 8/17
1 stop6h 06m
Chicago O'Hare Intl
Wed 8/21
1 stop12h 57m
San DiegoChicago O'Hare Intl
SAN - ORD
SANORD
San Diego
Wed 8/28
1 stop13h 33m
Chicago O'Hare Intl
Wed 9/4
1 stop19h 23m
San DiegoLambert-St Louis
SAN - STL
SANSTL
San Diego
Fri 9/20
1 stop7h 54m
Lambert-St Louis
Mon 9/23
1 stop9h 02m
San DiegoLambert-St Louis
SAN - STL
SANSTL
San Diego
Wed 6/26
1 stop8h 18m
Lambert-St Louis
Sun 6/30
1 stop8h 45m
No data available for this route at this time. Please check back soon.
Boarding
Comfort
Entertainment
Crew
Food
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Boarding
Comfort
Entertainment
Crew
Food
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Boarding
Comfort
Entertainment
Crew
Food
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Boarding
Comfort
Entertainment
Crew
Food
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Boarding
Comfort
Entertainment
Crew
Food
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Boarding
Comfort
Entertainment
Crew
Food
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Frontier | Cheapest$91 | Average$193 | FlexibilityNo cancel fee | On-time62% |
Spirit Airlines | Cheapest$113 | Average$221 | FlexibilityNo cancel fee | On-time65% |
United Airlines | Cheapest$218 | Average$543 | FlexibilityNo cancel fee | On-time69% |
American Airlines | Cheapest$222 | Average$504 | FlexibilityNo cancel fee | On-time71% |
Delta | Cheapest$236 | Average$407 | FlexibilityNo cancel fee | On-timeN/A |
Alaska Airlines | Cheapest$313 | Average$470 | FlexibilityNo cancel fee | On-time75% |
9%of flight departures | Early morningMidnight to 6 am |
---|---|
53%of flight departures | Morning6 am to noon |
29%of flight departures | AfternoonNoon to 6 pm |
9%of flight departures | Evening6 pm to midnight |