Popular in | March |
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Cheapest in | September |
Round-trip from | $288 |
One-way from | $69 |
Flights from Chicago to San Diego are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 8 days in advance, which can save you up to 8% on flights from Chicago to San Diego compared to booking the week you need them. Waiting 8 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $288. For sooner than that we have options available in the next 3 days from $648.
Our data shows that September tends to be the cheapest month to fly to San Diego from Chicago. Users have commonly found prices around $400 for the month, but tickets can be as low as $150. Due to multiple factors, prepare for potentially higher prices in March.
A simple way to save on the total cost of your ticket is to fly from Chicago to San Diego in the evening. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight at noon.
Fly from
Fly to
Budget
$115 - $256
Route
Depart
Return
Price
Chicago O'Hare IntlSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Wed 8/21
1 stop12h 57m
San Diego
Tue 8/27
1 stop13h 33m
Chicago O'Hare IntlSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Tue 8/20
1 stop7h 29m
San Diego
Tue 8/27
1 stop13h 33m
Chicago O'Hare IntlSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Thu 8/22
1 stop16h 44m
San Diego
Tue 8/27
1 stop13h 33m
Chicago MidwaySan Diego
MDW - SAN
MDWSAN
Chicago Midway
Tue 8/20
1 stop21h 31m
San Diego
Sat 8/31
1 stop18h 58m
Chicago O'Hare IntlSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Wed 9/18
1 stop19h 23m
San Diego
Wed 9/25
1 stop6h 06m
Chicago O'Hare IntlSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Wed 8/21
1 stop12h 57m
San Diego
Sat 8/24
1 stop13h 33m
Chicago MidwaySan Diego
MDW - SAN
MDWSAN
Chicago Midway
Wed 8/14
1 stop12h 44m
San Diego
Tue 8/20
1 stop10h 26m
Chicago O'Hare IntlSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Tue 7/9
Nonstop4h 15m
San Diego
Tue 7/16
1 stop8h 51m
Chicago O'Hare IntlSan Diego
ORD - SAN
ORDSAN
Chicago O'Hare Intl
Wed 10/16
1 stop17h 55m
San Diego
Tue 10/22
1 stop20h 52m
SAN Temperature | 57.2 - 71.6 °F |
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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
Boarding
Crew
Comfort
Food
Entertainment
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Overall
Boarding
Crew
Comfort
Food
Entertainment
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Overall
Boarding
Crew
Comfort
Food
Entertainment
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Overall
Boarding
Crew
Comfort
Food
Entertainment
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Overall
Boarding
Crew
Comfort
Food
Entertainment
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Overall
Boarding
Crew
Comfort
Food
Entertainment
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Frontier | Cheapest$117 | Average$201 | FlexibilityNo cancel fee | On-time62% |
Delta | Cheapest$118 | Average$375 | FlexibilityNo cancel fee | On-timeN/A |
Spirit Airlines | Cheapest$125 | Average$219 | FlexibilityNo cancel fee | On-time65% |
United Airlines | Cheapest$218 | Average$445 | FlexibilityNo cancel fee | On-time69% |
American Airlines | Cheapest$246 | Average$440 | FlexibilityNo cancel fee | On-time71% |
Alaska Airlines | Cheapest$296 | Average$472 | FlexibilityNo cancel fee | On-time75% |
6%of flight departures | Early morningMidnight to 6 am |
---|---|
21%of flight departures | Morning6 am to noon |
64%of flight departures | AfternoonNoon to 6 pm |
9%of flight departures | Evening6 pm to midnight |
Sunday | 20daily flights |
---|---|
Monday | 34daily flights |
Tuesday | 24daily flights |
Wednesday | 21daily flights |
Thursday | 27daily flights |
Friday | 32daily flights |
Saturday | 21daily flights |