For a quick departure, take the "L" train to ORD, avoiding Chicago traffic delays common with taxis or rideshares.
Round-trip from | $147 (Expedia) |
---|---|
One-way from | $71 (Cheapflightsfares) |
Popular in | March |
Cheapest in | August |
Average price | $259 |
Good round-trip deal | $191 or less |
Good one-way deal | $128 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Thu 9/11
6:00 am-8:07 pm
1 stop16h 07m
San Diego
Tue 9/16
7:15 am-9:28 pm
1 stop12h 13m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Wed 9/10
7:09 pm-11:48 am
2 stops18h 39m
San Diego
Wed 9/17
1:35 pm-9:32 pm
1 stop5h 57m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Thu 10/2
10:42 am-8:07 pm
1 stop11h 25m
San Diego
Sun 10/5
9:03 pm-9:37 am
1 stop10h 34m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Wed 10/15
7:15 am-11:50 pm
1 stop18h 35m
San Diego
Wed 10/22
6:41 am-11:53 pm
1 stop15h 12m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Thu 10/9
4:44 pm-8:08 pm
1 stop29h 24m
San Diego
Sat 10/18
7:00 am-11:53 pm
1 stop14h 53m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Sat 10/4
8:25 am-11:09 am
1 stop28h 44m
San Diego
Wed 10/8
6:41 am-11:53 pm
1 stop15h 12m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Tue 10/14
7:15 am-11:50 pm
1 stop18h 35m
San Diego
Sat 10/18
4:06 pm-10:24 pm
Nonstop4h 18m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Wed 9/10
7:20 am-10:24 pm
1 stop17h 04m
San Diego
Mon 9/15
10:20 am-11:59 pm
1 stop11h 39m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Sun 10/5
10:42 am-11:53 pm
1 stop15h 11m
San Diego
Thu 10/16
6:41 am-11:53 pm
1 stop15h 12m
ChicagoSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Thu 10/23
6:50 am-11:50 pm
1 stop19h 00m
San Diego
Wed 10/29
6:41 am-12:12 am
1 stop15h 31m
The price you pay for your flight from Chicago O'Hare Intl Airport to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 71 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Diego (average of $286). Flying from Chicago O'Hare Intl Airport 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.
It’s optimal to fly from Chicago O'Hare Intl Airport to San Diego at noon. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the evening.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to San Diego flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from ORD to SAN are scheduled on a Thursday (46 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).
Boarding
Comfort
Entertainment
Food
Overall
Crew
Reviews
Anonymous,Aug 2025
BOI - LAX
Boarding
Comfort
Entertainment
Food
Overall
Crew
Reviews
Anonymous,Aug 2025
BOI - LAX
Boarding
Comfort
Entertainment
Food
Overall
Crew
Reviews
Anonymous,Aug 2025
BOI - LAX
Boarding
Comfort
Entertainment
Food
Overall
Crew
Reviews
Anonymous,Aug 2025
BOI - LAX
Boarding
Comfort
Entertainment
Food
Overall
Crew
Reviews
Anonymous,Aug 2025
BOI - LAX
Boarding
Comfort
Entertainment
Food
Overall
Crew
Reviews
Anonymous,Aug 2025
BOI - LAX
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$99 | Average$205 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$122 | Average$207 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$138 | Average$367 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$143 | Average$452 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$176 | Average$398 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$240 | Average$337 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$258 | Average$477 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$296 | Average$501 | FlexibilityNo cancel fee | On-time63% |