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

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The best prices from Chicago-O'Hare Intl to San Diego are usually found in August or July, booked 17 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
$74 - $322
SAN
Temperature
66.2 - 80.6 °F
SAN
Rainfall
0 - 2.8 inches

Popular in

December

High demand for flights, 39% potential price rise

Cheapest in

August

Best time to find cheap flights, 63% potential price drop

Round-trip from

$74

From Chicago-O'Hare Intl to San Diego

One-way from

$49

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 17 days in advance, which can save you up to 27% on flights from Chicago-O'Hare Intl to San Diego compared to booking the week you need them. Waiting 17 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 $73. For sooner than that we have options available in the next 3 days from $98.

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 July. Prices to San Diego from Chicago-O'Hare Intl average $80. You can even find prices in July for less than $80, as users have found deals to San Diego from as low as $44. The month of December 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 33%.

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 March, April 2021

17 Apr - 24 Apr
$38pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
17 Apr - 22 Apr
$39pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
17 Apr - 24 Apr
$40pp
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 2021 flight deals

17 Apr - 24 Apr
$38pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
17 Apr - 22 Apr
$39pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
17 Apr - 24 Apr
$40pp
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

17 Apr - 24 Apr
$38pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
17 Apr - 22 Apr
$39pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
17 Apr - 24 Apr
$40pp
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

14 Mar - 14 May
$78pp
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
13 Mar - 17 Mar
$83pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
11 Mar - 18 Mar
$92pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

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

3:55 pm - 6:26 pm
United Airlines
Nonstop
4h 31m
ORD - SAN
United Airlines
$49
United
3:20 am - 6:29 pm
Frontier
1 Stop
17h 09m
ORD - SAN
Frontier
$55
Kiwi.com
6:44 am - 3:24 pm
Spirit Airlines
2 Stops
10h 40m
ORD - SAN
Spirit Airlines
$58
Gotogate

Related info for your journey

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.

What safety measures are being taken by airlines flying from Chicago O'Hare Intl to San Diego to control the spread of COVID-19?

New policies can now be found on Alaska Airlines and Delta to help keep travelers safe while flying. New policies for travelers booking flights from Chicago O'Hare Intl to San Diego include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Chicago O'Hare Intl to San Diego have flexible cancellations due to COVID-19?

Some of our airline partners flying from Chicago O'Hare Intl to San Diego have new flexible policies in place due to COVID-19. Spirit Airlines, United Airlines, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Spirit Airlines with this kind of flexibility.

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 Spirit Airlines for just $38, but on average you can expect to pay $49.

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 $50.

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: Monday, Saturday.

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

4 flight departures from Chicago O'Hare Intl to San Diego per day on average.
Morning (6am - Noon) - 50% of flight departures
Afternoon (Noon - 6pm) - 50% of flight departures

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

In Chicago-O'Hare Intl, there will be same rainfall in Chicago-O'Hare Intl compared to San Diego over the next 15 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 25m. American Airlines provides one of the quickest options available for as low as $59. Airlines will cover a distance of 1729 mi. All flights are typically nonstop.

What are the cheapest airlines flying 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 $38. Another option worth looking into is American Airlines, starting at $59 round trip. Users have found that Spirit Airlines is 80% 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 $18. Frontier flights start at $39 while deals on United Airlines start at $49 one-way.

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

Destination information for San Diego

Flight duration
4h 11m
Average temperature for March in San Diego
68.0 °F
Avg rainfall for March in San Diego
2.7 ″

Airports servicing Chicago

Airports servicing San Diego

Top 6 airlines flying from Chicago-O'Hare Intl to San Diego

Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$92 $227 No cancel fee 65%
Frontier
$74 $227 No cancel fee 62%
Delta
$122 $234 No cancel fee N/A
American Airlines
$101 $287 No cancel fee 71%
United Airlines
$114 $305 No cancel fee 69%
Alaska Airlines
$134 $427 No cancel fee 75%

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

Afternoon Noon to 6 PM 50% of ORD to SAN departures
Morning 6 AM to noon 26% of ORD to SAN departures
Evening 6 PM to midnight 23% 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
11 daily flights
Monday
12 daily flights
Tuesday
4 daily flights
Wednesday
8 daily flights
Thursday
14 daily flights
Friday
11 daily flights
Saturday
4 daily flights
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