Menu

Cheap flights from Chicago-O'Hare Intl to San Diego (ORD - SAN)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Chicago-O'Hare Intl to San Diego are usually found in September or May, booked 49 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

How to find the cheapest flight from
Chicago-O'Hare Intl (ORD) to San Diego (SAN)

ORD - SAN
Price
$203 - $322
SAN
Temperature
66.2 - 80.6 °F
SAN
Rainfall
0 - 2.8 inches

Popular in

December

High demand for flights, 24% potential price rise

Cheapest in

September

Best time to find cheap flights, 17% potential price drop

Round-trip from

$203

From Chicago-O'Hare Intl to San Diego

One-way from

$89

One-way flight from Chicago-O'Hare Intl to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Chicago-O'Hare Intl to San Diego?

Users have found that flying from Chicago-O'Hare Intl to San Diego on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Chicago-O'Hare Intl 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 33 days in advance, which can save you up to 19% on flights from Chicago-O'Hare Intl to San Diego compared to booking the week you need them. Waiting 33 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 $86. For sooner than that we have options available in the next 3 days from $107.

What is the cheapest month to fly from Chicago-O'Hare Intl to San Diego?

The best pricing can be found in the month of May. Prices to San Diego from Chicago-O'Hare Intl average $98. You can even find prices in May for less than $98, as users have found deals to San Diego from as low as $58. The month of March appears to be one of the more expensive times to travel to San Diego from Chicago-O'Hare Intl. Flying in the targeted month can save you up to 22%.

When is the cheapest time to fly from Chicago-O'Hare Intl to San Diego (ORD - SAN)?

One of the essential ways to save on airfare from Chicago-O'Hare Intl to San Diego is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 12% on airfare.

Cheap flights from Chicago-O'Hare Intl to San Diego in September, October 2020

The best prices found for ORD to SAN flights for September, October
29 Oct - 29 Oct
$70pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
31 Oct - 8 Nov
$71pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
29 Oct - 5 Nov
$72pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Chicago-O'Hare Intl to San Diego 2020 flight deals

Cheap flights to San Diego from Chicago-O'Hare Intl found for this year
29 Oct - 5 Nov
$70pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
2 Nov - 2 Nov
$71pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
29 Oct - 5 Nov
$72pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Non-stop flights to San Diego from Chicago-O'Hare Intl

Save time with Chicago-O'Hare Intl to San Diego direct flight deals
29 Oct - 5 Nov
$72pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
5 Oct - 23 Oct
$73pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
29 Oct - 30 Oct
$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

Last minute flights from Chicago-O'Hare Intl to San Diego

Late deals on round-trip flights to San Diego from Chicago-O'Hare Intl, departing today and this week
5 Oct - 8 Oct
$72pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
5 Oct - 23 Oct
$73pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
5 Oct - 2 Nov
$81pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to San Diego from Chicago-O'Hare Intl

The cheapest one-way flights from Chicago-O'Hare Intl to San Diego
3:05 am - 10:51 am
Delta
2 Stops
9h 46m
ORD - SAN
Delta
$89
Delta
1:55 pm - 4:16 pm
Multiple Airlines
2 Stops
28h 21m
ORD - SAN
Multiple Airlines
$95
Kiwi.com
5:21 am - 5:39 pm
Spirit Airlines
1 Stop
14h 18m
ORD - SAN
Spirit Airlines
$97
FlightNetwork

Related info for your journey

Useful info, stats and facts about Chicago-O'Hare Intl to San Diego flights.

Flight FAQs

From Chicago-O'Hare Intl to San Diego

Are flight prices decreasing from Chicago-O'Hare Intl 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 Chicago-O'Hare Intl 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 Chicago-O'Hare Intl to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Chicago-O'Hare Intl to San Diego for under $100. The cheapest flight booked recently is on Multiple Airlines for just $70, but on average you can expect to pay $79.

Are there nonstop flights from Chicago-O'Hare Intl to San Diego for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago-O'Hare Intl to San Diego under $100. A good price for a nonstop flight from Chicago-O'Hare Intl to San Diego is less than $82.

Are there last-minute flights available from Chicago-O'Hare Intl to San Diego for under $100?

There are currently 20+ open flights from Chicago-O'Hare Intl to San Diego within the next 7 days for less than $100.

What days are nonstop flights available from Chicago-O'Hare Intl to San Diego?

Nonstop flights can be found on the following days: Sunday, Monday, Wednesday, Thursday, Friday, Saturday.

How many flights depart from Chicago-O'Hare Intl to San Diego on average per day?

10 flight departures from Chicago O'Hare Intl to San Diego per day on average.
Morning (6am - Noon) - 40% of flight departures
Afternoon (Noon - 6pm) - 40% of flight departures
Evening (6pm - Midnight) - 20% of flight departures

Does it rain more in Chicago-O'Hare Intl or San Diego?

In Chicago-O'Hare Intl, there will be greater rainfall in Chicago-O'Hare Intl compared to San Diego over the next 12 days.

Is Chicago-O'Hare Intl weather warmer or cooler than San Diego?

We forecast the temperature to be around the 86 °F's in July, on average. The temperature in San Diego is generally colder than in Chicago-O'Hare Intl. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Chicago-O'Hare Intl to San Diego?

A quick flight from Chicago-O'Hare Intl to San Diego can take about 4h 17m. Spirit Airlines provides one of the quickest options available for as low as $72. Airlines will cover a distance of 1729 mi. All flights are typically nonstop.

What is the cheapest airline to fly from Chicago-O'Hare Intl to San Diego round-trip?

Flying on Spirit Airlines is currently your cheapest option to San Diego, with prices starting at $72. Users have found that Spirit Airlines is 70% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Chicago-O'Hare Intl to San Diego one-way?

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $35. Spirit Airlines is not the only option available. At the moment, Delta is another option, for $89.

Alternative routes for Chicago-O'Hare Intl to San Diego

Destination information for San Diego

Things to know before you go. Useful info for your trip from Chicago-O'Hare Intl to San Diego
Flight duration
4h 10m
Average temperature for September in San Diego
80.6 °F
Avg rainfall for September in San Diego
0.1 ″

Airports servicing Chicago

Airports servicing San Diego

Hourly flight availability from Chicago-O'Hare Intl to San Diego

Evening 6 PM to midnight 47% of ORD to SAN departures
Afternoon Noon to 6 PM 44% of ORD to SAN departures
Morning 6 AM to noon 8% of ORD to SAN departures
Early morning Midnight to 6 AM 1% of ORD to SAN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Chicago-O'Hare Intl to San Diego
Sunday
22 daily flights
Monday
20 daily flights
Tuesday
21 daily flights
Wednesday
21 daily flights
Thursday
18 daily flights
Friday
22 daily flights
Saturday
12 daily flights
Home North America USA California San Diego Cheap flights from Chicago-O'Hare Intl to San Diego