Question 1

What days are nonstop flights available from Chicago to San Diego?

Accepted Answer

Days when nonstop flights are available for this flight are: Sunday, Wednesday, Thursday, Saturday.

Question 2

How many flights depart from Chicago to San Diego on average per day?

Accepted Answer

On average 4 flights depart from Chicago to San Diego per day.
Morning (6am - Noon) - 25% of flight departures
Evening (6pm - Midnight) - 75% of flight departures

Question 3

How long is the flight from Chicago to San Diego?

Accepted Answer

For as low as $138, Frontier can have you in San Diego from Chicago in 9h 39m. Airlines will cover a distance of 1729 mi.

Question 4

What is the cheapest airline to fly from Chicago to San Diego round-trip?

Accepted Answer

Cheapflights users have booked flights from Chicago to San Diego round-trip from $138. Users have found that Frontier is 66% cheaper than the other options available to this destination.

Question 5

E

Accepted Answer

Currently, October is the cheapest month in which you can book a flight from Chicago to San Diego (average of $288). Flying from Chicago to San Diego in June is currently the most expensive (average of $360). 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.

January

$292

February

$297

March

$339

April

$301

May

$304

June

$360

July

$359

August

$311

September

$298

October

$288

November

$335

December

$305

Question 6

When is the best time to book a flight from Chicago to San Diego?

Accepted Answer

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 7

When is the cheapest time to fly from Chicago to San Diego?

Accepted Answer

Travelers seeking maximum savings on their Chicago to San Diego flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Question 8

How recently were the Chicago to San Diego flight deals updated?

Accepted Answer

The Chicago to San Diego flight deals you see on this page were last updated on 5/3.

Question 9

What are the most popular airlines that fly from Chicago to San Diego?

Accepted Answer

Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Chicago to San Diego.

Question 10

What are the cheapest flights from Chicago to San Diego?

Accepted Answer

While on average a flight from Chicago to San Diego is generally $705, our data shows the cheapest flight currently is $109. When looking at the most popular route, (Chicago O'Hare Intl - San Diego), you can expect to pay $119 for that flight.

Question 11

What are the most reliable airlines from Chicago to San Diego?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Chicago to San Diego consider choosing SWISS (91%), Japan Airlines (90%) or Air Canada (85%) as they are the most reliable in getting you off to your destination on time.

Question 12

Can I find flights from Chicago to San Diego for under $200 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from Chicago to San Diego for under $200. The cheapest flight booked recently is on Frontier for just $138, but on average you can expect to pay $148.

Question 13

Are there nonstop flights from Chicago to San Diego for under $400 on Cheapflights?

Accepted Answer

Cheapflights has at least 20 direct flights from Chicago to San Diego under $400. A good price for a nonstop flight from Chicago to San Diego is less than $417.

Question 14

Are there last-minute flights available from Chicago to San Diego for under $200?

Accepted Answer

There are currently 20+ open flights from Chicago to San Diego within the next 7 days for less than $200.

Question 15

Where are the most common layover locations when flying from Chicago to San Diego?

Accepted Answer

Chicago to San Diego flights have a layover in Phoenix most often.

Question 16

Where are the least popular layover locations for Chicago to San Diego flights?

Accepted Answer

Chicago to San Diego flights have a layover in Las Vegas least often.

Question 17

What are some popular things to do or see while on a layover in Phoenix?

Accepted Answer

If you're on a layover in Phoenix and looking for things to do, consider visiting Chase Field, Desert Ridge Marketplace, or Orpheum Theater. Chase Field, Desert Ridge Marketplace and Orpheum Theater are located about 4.0 mi, 16.7 mi, and 4.6 mi, respectively from Phoenix Sky Harbor Intl if you are interested in checking them out. Those looking to explore during their layover in Phoenix can rent a car from Phoenix Sky Harbor Intl for about $57 per day.

Question 18

What is the cheapest day to fly round-trip from Chicago to San Diego?

Accepted Answer

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.

Question 19

How far in advance should I book a flight from Chicago to San Diego?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 12 days in advance, which can save you up to 51% on flights from Chicago to San Diego compared to booking the week you need them. Waiting 12 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 $352. For sooner than that we have options available in the next 3 days from $725.

Question 20

What is the cheapest month to fly from Chicago to San Diego?

Accepted Answer

Our data shows that September tends to be the cheapest month to fly to San Diego from Chicago. Users have commonly found prices around $408 for the month, but tickets can be as low as $150. Due to multiple factors, prepare for potentially higher prices in June.

Question 21

When is the cheapest time to fly from Chicago to San Diego (CHI - SAN)?

Accepted Answer

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 8% on your trip compared to booking a flight at noon.

Question 22

What airport do you fly into for flights to San Diego from Chicago?

Accepted Answer

For a flight from Chicago to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city. San Diego is the only San Diego airport and it handles 25 inbound flights from Chicago per day. 6 airlines have flights to San Diego from Chicago on a regular basis.

Question 23

Accepted Answer

One of the most popular airlines traveling from Chicago to San Diego is Frontier. Flights from Frontier traveling this route typically cost $471.70 RT. This price is typically 29% cheaper than other airlines that offer Chicago to San Diego flights. When booking this route, the cheapest RT price found was $251. Chicago O'Hare Intl Airport is the most common Chicago airport to take off from when flying to San Diego. San Diego Airport is the most popular arrival airport in San Diego. When flying from Chicago to San Diego, Frontier flights are 11% more popular than any other airline flying that same route.

Question 24

Accepted Answer

If you’re traveling from Chicago to San Diego, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $440.80 RT. This price is typically 125% more expensive than other airlines that offer Chicago to San Diego flights. When booking this route, the cheapest RT price found was $218. The most popular departure airport in Chicago when flying to San Diego is Chicago O'Hare Intl Airport. The most popular airport to fly into when visiting San Diego is San Diego Airport. When flying from Chicago to San Diego, United Airlines flights are 1% more popular than any other airline flying that same route.

Question 25

What does ORD to SAN mean?

Accepted Answer

ORD stands for Chicago O'Hare Intl Airport, while SAN stands for San Diego Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD).

Question 26

Can I find deals for flights from Chicago to San Diego that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your Chicago to San Diego flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Question 27

Can I find deals on flights from Chicago to San Diego with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter Chicago to San Diego flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Question 28

Can I find deals for flights from Chicago to San Diego that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Chicago to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 29

How can I find direct flights from Chicago to San Diego?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to San Diego.

Question 30

Can I find deals for business class flights from Chicago to San Diego?

Accepted Answer

Yes. Cheapflights offers flight deals from Chicago to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 31

Can I find deals for flights from Chicago to San Diego that allow pets onboard?

Accepted Answer

Many airlines flying from Chicago to San Diego offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Question 32

Can I find deals on last-minute flights from Chicago to San Diego?

Accepted Answer

Yes, you can often find last-minute deals on Chicago to San Diego flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Question 33

How does Cheapflights help users find flights from Chicago to San Diego?

Accepted Answer

Deals for Chicago to San Diego flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 34

Why should you use Cheapflights to find cheap flight tickets from Chicago to San Diego?

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from Chicago to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 35

Can Cheapflights find flights from Chicago to San Diego with no change fees?

Accepted Answer

Yes, we can. To see specific flights from Chicago to San Diego with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 36

Can Cheapflights notify me if prices for flights from Chicago to San Diego become cheaper?

Accepted Answer

Not ready to book yet? You can track prices for flights from Chicago to San Diego on Cheapflights with our Price Alert feature and get notified when better prices are available.

Popular in	June
Cheapest in	September
Round-trip from	$288
One-way from	$91

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$110	Average$206	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Delta	Cheapest$118	Average$374	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Spirit Airlines	Cheapest$125	Average$238	FlexibilityNo cancel fee	On-time65%	Search Spirit Airlines flights
United Airlines	Cheapest$218	Average$441	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest$232	Average$440	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Alaska Airlines	Cheapest$251	Average$472	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights

5%of flight departures	Early morningMidnight to 6 am
19%of flight departures	Morning6 am to noon
41%of flight departures	AfternoonNoon to 6 pm
35%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

Cheap flights from Chicago (CHI) to San Diego (SAN) from $52

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

The best prices from Chicago to San Diego are usually found in September or October, booked 79 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Chicago to San Diego

Popular in

Cheapest in

Round-trip from

One-way from

What is the cheapest day to fly round-trip from Chicago to San Diego?

How far in advance should I book a flight from Chicago to San Diego?

What is the cheapest month to fly from Chicago to San Diego?

When is the cheapest time to fly from Chicago to San Diego (CHI - SAN)?

Cheap Frontier flights from Chicago to San Diego

Take a peek at the cheapest Frontier flights we've detected traveling from Chicago to San Diego. Deals update often to give you more flight options matching your criteria

Cheap United Airlines flights from Chicago to San Diego

Browse through some of the cheapest United Airlines flights traveling from Chicago to San Diego. Deals frequently update to provide users with more options.

Cheap Chicago to San Diego flights in May & June 2024

Find cheap flight options from Chicago to San Diego specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Prices were last updated on May 4, 2024.

Check out some of the best flight deals from Chicago to San Diego in 2024. If these deals don't appeal to you, be sure to come back soon for more options.

Chicago to San Diego 2024 flight deals

Discover exclusive flight deals for travel between Chicago and San Diego in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 4, 2024.

Check out some of the best flight deals from Chicago to San Diego in 2024. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to San Diego from Chicago

Consider booking one of these non-stop flights heading from Chicago to San Diego. Users can also choose from other Chicago to San Diego flights by using the search form above.

Chicago to San Diego flights leaving soon

Book one of these great deals on flights from Chicago to San Diego. To prevent any unwanted surprises, users should verify their flight info before booking.

One-way flights to San Diego from Chicago

Some of the best available deals we've found on one-way flights from Chicago to San Diego. Users needing a return flight from Chicago to San Diego should utilize the search form above.

Find flights from Chicago to San Diego within your budget

When is the best time to book a flight from Chicago to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to San Diego. Price data was last updated on January 28, 2024.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

When is the cheapest time to fly from Chicago to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Chicago to San Diego. Price data was last updated on April 28, 2024.

Average price of flights to San Diego by month

Plan your trip from Chicago to San Diego by taking into account the cheapest months to travel. The average price of a one-way flight from Chicago to San Diego is currently $69 while a round-trip flight costs $158. Price data was last updated on April 28, 2024.

Temperature and rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average temperature and rainfall totals by month.

Reviews of airlines servicing San Diego

Get a feel of what it's like to fly with Frontier, United Airlines and Spirit Airlines from Chicago to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Chicago to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Diego from Chicago?

Can I find flights from Chicago to San Diego for under $200 on Cheapflights?

Are there nonstop flights from Chicago to San Diego for under $400 on Cheapflights?

Are there last-minute flights available from Chicago to San Diego for under $200?

What days are nonstop flights available from Chicago to San Diego?

How many flights depart from Chicago to San Diego on average per day?

How long is the flight from Chicago to San Diego?

What is the cheapest airline to fly from Chicago to San Diego round-trip?

What are the most popular airlines that fly from Chicago to San Diego?

What are the most reliable airlines from Chicago to San Diego?

What are the cheapest flights from Chicago to San Diego?

What does ORD to SAN mean?

Where are the most common layover locations when flying from Chicago to San Diego?

What are some popular things to do or see while on a layover in Phoenix?

Where are the least popular layover locations for Chicago to San Diego flights?

Can I find deals for flights from Chicago to San Diego that include extra baggage allowance?

Can I find deals on flights from Chicago to San Diego with specific airlines?

Can I find deals for flights from Chicago to San Diego that include hotel bookings?

How can I find direct flights from Chicago to San Diego?

Can I find deals for business class flights from Chicago to San Diego?

Can I find deals for flights from Chicago to San Diego that allow pets onboard?

Can I find deals on last-minute flights from Chicago to San Diego?

How recently were the Chicago to San Diego flight deals updated?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Chicago to San Diego on these airlinesChoose from the following airlines for your flight from Chicago to San Diego. Flights are based on user searches made on Cheapflights and were last updated on May 4, 2024.

Choose from the following airlines for your flight from Chicago to San Diego. Flights are based on user searches made on Cheapflights and were last updated on May 4, 2024.

Top 6 airlines flying from Chicago to San Diego

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Search flights from Chicago to San Diego by cabin class

Find flights from Chicago to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Chicago to San Diego

Find hourly flight availability from Chicago to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 4, 2024.

Weekly flight availability from Chicago to San Diego

Explore weekly flight availability from Chicago to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 4, 2024.

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly from Chicago to San Diego on these airlines
Choose from the following airlines for your flight from Chicago to San Diego. Flights are based on user searches made on Cheapflights and were last updated on May 4, 2024.