Most accurate provider | Mytrip 3 stars |
---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $185 (Mytrip) |
One-way from | $88 (Cheapflightsfares) |
Popular in | March |
Cheapest in | February |
Average price | $387 |
Good round-trip deal | $273 or less |
Good one-way deal | $164 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Sat 6/14
9:35 pm-7:13 am
1 stop11h 38m
San Diego
Tue 6/17
4:53 pm-10:56 pm
Nonstop4h 03m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Sat 7/5
1:40 pm-4:00 pm
Nonstop4h 20m
San Diego
Wed 7/9
4:53 pm-11:16 pm
Nonstop4h 23m
ChicagoSan Diego
MDW - SAN
MDWSAN
Chicago Midway
Fri 5/30
6:25 am-11:56 am
1 stop7h 31m
San Diego
Tue 6/3
6:25 am-8:53 pm
1 stop12h 28m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Sat 5/17
4:35 pm-7:13 am
2 stops16h 38m
San Diego
Wed 5/21
8:48 pm-5:25 am
1 stop6h 37m
PeoriaSan Diego
PIA - SAN
PIASAN
Greater Peoria
Sun 5/25
5:05 pm-11:59 pm
1 stop8h 54m
San Diego
Thu 5/29
1:48 pm-11:56 pm
1 stop8h 08m
ChicagoSan Diego
MDW - SAN
MDWSAN
Chicago Midway
Wed 6/11
7:35 am-9:50 am
Nonstop4h 15m
San Diego
Wed 6/18
6:55 pm-12:50 am
Nonstop3h 55m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Sat 5/24
4:55 pm-7:16 pm
Nonstop4h 21m
San Diego
Tue 5/27
2:49 pm-9:06 pm
Nonstop4h 17m
MolineSan Diego
MLI - SAN
MLISAN
Moline Quad-City
Sat 5/31
5:00 am-10:59 am
1 stop7h 59m
San Diego
Wed 6/4
10:19 am-9:45 pm
1 stop9h 26m
MolineSan Diego
MLI - SAN
MLISAN
Moline Quad-City
Sat 5/31
5:40 pm-10:14 pm
1 stop6h 34m
San Diego
Wed 6/4
9:30 pm-10:20 am
2 stops10h 50m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Sat 5/24
3:43 pm-8:37 pm
1 stop6h 54m
San Diego
Fri 5/30
6:15 am-4:30 pm
1 stop8h 15m
Currently, August is the cheapest month in which you can book a flight from Illinois to San Diego (average of $286). Flying from Illinois to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to San Diego as you normally would.
The most flights from USIL to SAN are scheduled on a Tuesday (40 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).
In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.
If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).
Overall
Food
Crew
Boarding
Comfort
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Overall
Food
Crew
Boarding
Comfort
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Overall
Food
Crew
Boarding
Comfort
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Overall
Food
Crew
Boarding
Comfort
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Overall
Food
Crew
Boarding
Comfort
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Overall
Food
Crew
Boarding
Comfort
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$102 | Average$216 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$108 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$144 | Average$413 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$204 | Average$475 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$217 | Average$437 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$254 | Average$461 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$403 | Average$653 | FlexibilityNo cancel fee | On-time75% |