Cheap flights from Chicago (CHI) to San Diego (SAN) from $59

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 4/8. 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.
CHI — SAN
Mar 24 — Mar 311

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

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2024.

Popular in

June

Cheapest in

September

Round-trip from

$288

One-way from

$84
High demand for flights, 12% potential price rise
Best time to find cheap flights, 27% potential price drop
From Chicago (CHI) to San Diego
One-way flight from Chicago (CHI) to San Diego

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

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.

How far in advance should I book a flight from Chicago 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 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.

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

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.

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

A simple way to save on the total cost of your ticket is to fly from Chicago to San Diego in the morning. If you’re flexible enough to do this you can expect to save up to 6% on your trip compared to booking a flight at noon.

Cheap Frontier flights from Chicago to San Diego

Explore cheap flight options specifically provided by Frontier for the route between Chicago and San Diego. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
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
Mon 4/812:06 pmMDW - SAN
1 stop6h 56mFrontier
Thu 4/114:29 pmSAN - MDW
1 stop27h 40mFrontier
Deal found 3/18$117
Sat 4/1310:30 amMDW - SAN
1 stop11h 45mFrontier
Tue 4/1610:02 amSAN - MDW
1 stop10h 03mFrontier
Deal found 3/16$118
Sat 4/2010:59 pmMDW - SAN
1 stop10h 04mFrontier
Sat 4/279:33 amSAN - MDW
1 stop9h 06mFrontier
Deal found 3/17$119
Wed 4/105:30 amMDW - SAN
1 stop13h 45mFrontier
Sat 4/135:40 pmSAN - MDW
1 stop12h 41mFrontier
Deal found 3/17$120
Sun 4/1410:59 pmMDW - SAN
1 stop11h 15mFrontier
Thu 4/189:38 pmSAN - MDW
1 stop11h 58mFrontier
Deal found 3/17$123
Tue 4/2312:29 pmORD - SAN
1 stop28h 48mFrontier
Sat 4/272:19 pmSAN - ORD
1 stop8h 37mFrontier
Deal found 3/17$124
Fri 4/1210:59 pmMDW - SAN
1 stop10h 55mFrontier
Tue 4/1610:05 pmSAN - MDW
1 stop11h 31mFrontier
Deal found 3/16$127
Sun 4/2810:59 pmMDW - SAN
1 stop10h 55mFrontier
Sat 5/49:33 amSAN - MDW
1 stop9h 06mFrontier
Deal found 3/17$129
Sat 5/1110:30 amMDW - SAN
1 stop11h 45mFrontier
Tue 5/148:00 amSAN - MDW
1 stop12h 05mFrontier
Deal found 3/18$130
  • One of the most popular airlines traveling from Chicago to San Diego is Frontier. Flights from Frontier traveling this route typically cost $471.80 RT. This price is typically 25% cheaper than other airlines that offer Chicago to San Diego flights. When booking this route, the cheapest RT price found was $236. 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 13% more popular than any other airline flying that same route.

Cheap Delta flights from Chicago to San Diego

Explore cheap flight options specifically provided by Delta for the route between Chicago and San Diego. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Browse through some of the cheapest Delta flights traveling from Chicago to San Diego. Deals frequently update to provide users with more options.
Sat 4/2011:00 amMDW - SAN
1 stop7h 40mDelta
Sat 4/2010:05 pmSAN - MDW
1 stop8h 45mDelta
Deal found 3/17$236
Sat 4/206:00 amMDW - SAN
1 stop8h 51mDelta
Sun 4/287:00 amSAN - MDW
1 stop7h 24mDelta
Deal found 3/18$237
Fri 4/261:25 pmMDW - SAN
1 stop6h 56mDelta
Sun 4/287:00 amSAN - MDW
1 stop7h 24mDelta
Deal found 3/18$238
Sat 3/235:06 pmMDW - SAN
1 stop8h 23mDelta
Sat 3/3010:10 pmSAN - MDW
1 stop8h 36mDelta
Deal found 3/17$916
Sun 3/246:19 amMDW - SAN
1 stop6h 50mDelta
Thu 3/2811:00 amSAN - MDW
2 stops8h 44mDelta
Deal found 3/17$1,117
Sat 3/235:48 pmMDW - SAN
1 stop7h 01mDelta
Fri 3/2911:00 amSAN - MDW
2 stops8h 44mDelta
Deal found 3/17$1,854
Sat 3/235:48 pmMDW - SAN
1 stop7h 01mDelta
Sat 3/306:15 amSAN - MDW
2 stops8h 01mDelta
Deal found 3/17$2,325
  • One of the most popular airlines traveling from Chicago to San Diego is Delta. Flights from Delta traveling this route typically cost $441.63 RT. This price is typically 54% cheaper than other airlines that offer Chicago to San Diego flights. When booking this route, the cheapest RT price found was $218. 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, Delta flights are 3% more popular than any other airline flying that same route.

Cheap Chicago to San Diego flights in March & April 2024

Find cheap flight options from Chicago to San Diego specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 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.
Sat 4/1310:30 amMDW - SAN
2 stops10h 29mMultiple Airlines
Sat 4/209:33 amSAN - MDW
1 stop9h 06mMultiple Airlines
Deal found 3/16$165
Sat 4/1310:30 amMDW - SAN
2 stops10h 29mMultiple Airlines
Sat 4/209:33 amSAN - MDW
1 stop9h 06mMultiple Airlines
Deal found 3/16$166
Tue 4/212:28 pmMDW - SAN
1 stop7h 44mFrontier
Fri 4/55:51 pmSAN - MDW
1 stop12h 33mFrontier
Deal found 3/17$167
Fri 4/1212:29 pmORD - SAN
1 stop27h 30mMultiple Airlines
Sun 4/1410:25 pmSAN - ORD
1 stop6h 04mMultiple Airlines
Deal found 3/18$169
Thu 4/1111:58 pmORD - SAN
1 stop13h 57mSpirit Airlines
Mon 4/1510:25 pmSAN - ORD
1 stop14h 07mSpirit Airlines
Deal found 3/17$171
Tue 3/265:51 pmMDW - SAN
1 stop16h 38mFrontier
Tue 4/27:02 pmSAN - MDW
1 stop12h 44mFrontier
Deal found 3/17$172
Thu 4/1811:58 pmORD - SAN
1 stop13h 57mSpirit Airlines
Mon 4/226:26 pmSAN - ORD
1 stop10h 03mSpirit Airlines
Deal found 3/18$172
Fri 4/269:16 pmMDW - SAN
1 stop18h 43mMultiple Airlines
Wed 5/16:26 pmSAN - MDW
2 stops12h 10mMultiple Airlines
Deal found 3/16$173
Sat 4/275:05 pmORD - SAN
Nonstop4h 15mAmerican Airlines
Sat 4/2710:50 pmSAN - ORD
Nonstop4h 07mAmerican Airlines
Deal found 3/18$173

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 3,145,932 searches. Data last updated March 19, 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.
Thu 5/99:26 amMDW - SAN
1 stop13h 37mFrontier
Mon 5/134:08 pmSAN - MDW
1 stop17h 30mFrontier
Deal found 3/17$163
Wed 5/86:27 pmORD - SAN
2 stops28h 11mFrontier
Sun 5/1210:15 pmSAN - ORD
1 stop11h 34mFrontier
Deal found 3/17$163
Sat 4/1310:30 amMDW - SAN
2 stops10h 29mMultiple Airlines
Sat 4/209:33 amSAN - MDW
1 stop9h 06mMultiple Airlines
Deal found 3/16$165
Tue 4/210:15 amORD - SAN
1 stop8h 46mFrontier
Thu 4/1111:00 amSAN - ORD
1 stop11h 52mFrontier
Deal found 3/17$165
Sat 4/1310:30 amMDW - SAN
2 stops10h 29mMultiple Airlines
Sat 4/209:33 amSAN - MDW
1 stop9h 06mMultiple Airlines
Deal found 3/16$166
Fri 5/36:27 pmORD - SAN
1 stop27h 48mFrontier
Sun 5/510:15 pmSAN - ORD
1 stop11h 34mFrontier
Deal found 3/17$166
Tue 4/212:28 pmMDW - SAN
1 stop7h 44mFrontier
Fri 4/55:51 pmSAN - MDW
1 stop12h 33mFrontier
Deal found 3/17$167
Sun 4/1411:58 pmORD - SAN
1 stop13h 57mMultiple Airlines
Thu 4/184:24 pmSAN - ORD
1 stop6h 32mMultiple Airlines
Deal found 3/17$167
Sat 5/185:56 pmORD - SAN
1 stop14h 28mFrontier
Wed 5/297:24 amSAN - ORD
1 stop15h 39mFrontier
Deal found 3/17$168

Non-stop flights to San Diego from Chicago

Discover non-stop flight options from Chicago to San Diego. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
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.
Sat 4/275:05 pmORD - SAN
Nonstop4h 15mAmerican Airlines
Sat 4/2710:50 pmSAN - ORD
Nonstop4h 07mAmerican Airlines
Deal found 3/17$173
Wed 4/171:45 pmORD - SAN
Nonstop4h 29mUnited Airlines
Wed 4/245:15 pmSAN - ORD
Nonstop4h 01mUnited Airlines
Deal found 3/18$179
Fri 5/38:57 pmORD - SAN
Nonstop4h 15mAmerican Airlines
Wed 5/810:57 pmSAN - ORD
Nonstop4h 03mAmerican Airlines
Deal found 3/18$199
Sat 5/45:05 pmORD - SAN
Nonstop4h 15mAmerican Airlines
Sun 5/1910:57 pmSAN - ORD
Nonstop4h 03mAmerican Airlines
Deal found 3/17$205
Fri 5/178:55 pmORD - SAN
Nonstop4h 19mAmerican Airlines
Mon 5/2010:57 pmSAN - ORD
Nonstop4h 03mAmerican Airlines
Deal found 3/17$219
Mon 4/158:57 pmORD - SAN
Nonstop4h 15mAmerican Airlines
Mon 4/2210:50 pmSAN - ORD
Nonstop4h 06mAmerican Airlines
Deal found 3/17$239
Thu 4/257:57 pmORD - SAN
Nonstop4h 33mUnited Airlines
Mon 4/295:15 pmSAN - ORD
Nonstop4h 01mUnited Airlines
Deal found 3/17$252
Thu 5/22:00 pmORD - SAN
Nonstop4h 29mUnited Airlines
Sun 5/510:29 pmSAN - ORD
Nonstop4h 01mUnited Airlines
Deal found 3/17$255
Wed 4/178:57 pmORD - SAN
Nonstop4h 15mAmerican Airlines
Sun 4/2110:50 pmSAN - ORD
Nonstop4h 06mAmerican Airlines
Deal found 3/17$258

Chicago to San Diego flights leaving soon

Find last-minute flight options from Chicago to San Diego for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
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.
Tue 3/265:51 pmMDW - SAN
1 stop16h 38mFrontier
Tue 4/27:02 pmSAN - MDW
1 stop12h 44mFrontier
Deal found 3/17$172
Tue 3/2612:26 pmMDW - SAN
1 stop6h 35mFrontier
Tue 4/27:32 pmSAN - MDW
2 stops10h 52mFrontier
Deal found 3/17$193
Tue 3/2612:26 pmMDW - SAN
1 stop6h 35mFrontier
Tue 3/267:29 pmSAN - MDW
1 stop10h 49mFrontier
Deal found 3/17$197
Wed 3/275:10 amMDW - SAN
1 stop12h 18mFrontier
Wed 3/275:51 pmSAN - MDW
1 stop12h 33mFrontier
Deal found 3/17$203
Wed 3/275:10 amMDW - SAN
1 stop12h 18mFrontier
Fri 4/59:17 amSAN - MDW
1 stop10h 49mFrontier
Deal found 3/18$211
Wed 3/275:10 amMDW - SAN
1 stop12h 18mFrontier
Fri 4/58:37 pmSAN - MDW
1 stop9h 36mFrontier
Deal found 3/16$218
Tue 3/265:10 amMDW - SAN
1 stop15h 29mMultiple Airlines
Mon 4/111:06 pmSAN - MDW
2 stops22h 46mMultiple Airlines
Deal found 3/18$223
Tue 3/265:10 amMDW - SAN
1 stop15h 29mFrontier
Mon 4/17:49 pmSAN - MDW
1 stop26h 03mFrontier
Deal found 3/18$226
Tue 3/2612:26 pmMDW - SAN
1 stop6h 35mFrontier
Wed 3/275:51 pmSAN - MDW
1 stop12h 33mFrontier
Deal found 3/17$234

One-way flights to San Diego from Chicago

Search for one-way flight options from Chicago to San Diego. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
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.
Mon 4/812:06 pmMDW - SAN
1 stop6h 56mFrontier
Deal found 3/18$59
Tue 4/169:27 amORD - SAN
1 stop11h 32mSpirit Airlines
Deal found 3/17$59
Mon 4/812:06 pmMDW - SAN
1 stop6h 56mFrontier
Deal found 3/17$60
Tue 4/1612:29 pmORD - SAN
1 stop23h 47mFrontier
Deal found 3/16$62
Wed 4/175:45 amMDW - SAN
1 stop9h 36mFrontier
Deal found 3/17$64
Fri 4/1210:59 pmMDW - SAN
1 stop10h 55mFrontier
Deal found 3/17$65
Wed 4/105:30 amMDW - SAN
1 stop13h 45mFrontier
Deal found 3/18$68
Tue 5/76:27 pmORD - SAN
1 stop24h 48mFrontier
Deal found 3/17$68
Sun 4/1410:59 pmMDW - SAN
1 stop11h 15mFrontier
Deal found 3/18$69

Find flights from Chicago to San Diego within your budget

Customize your flight search to find flights from Chicago to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$93 - $236

Route

Depart

Return

Price

Chicago O'Hare IntlSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Tue 4/16

1 stop11h 32m

San Diego

Tue 4/23

1 stop8h 07m

$93

Chicago O'Hare IntlSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Tue 4/16

1 stop11h 32m

San Diego

Tue 4/23

1 stop8h 07m

$109

Chicago O'Hare IntlSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Sat 4/20

1 stop15h 06m

San Diego

Tue 4/23

1 stop9h 41m

$114

Chicago MidwaySan Diego

MDW - SAN

MDWSAN

Chicago Midway

Mon 4/8

1 stop6h 56m

San Diego

Thu 4/11

1 stop27h 40m

$117

Chicago MidwaySan Diego

MDW - SAN

MDWSAN

Chicago Midway

Sat 4/13

1 stop11h 45m

San Diego

Tue 4/16

1 stop10h 03m

$118

Chicago O'Hare IntlSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Tue 4/16

2 stops13h 19m

San Diego

Tue 4/23

1 stop8h 07m

$120

Chicago O'Hare IntlSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Sat 4/27

Nonstop4h 15m

San Diego

Sat 4/27

Nonstop4h 07m

$173

Chicago O'Hare IntlSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Wed 4/17

Nonstop4h 29m

San Diego

Wed 4/24

Nonstop4h 01m

$179

Chicago MidwaySan Diego

MDW - SAN

MDWSAN

Chicago Midway

Sat 4/20

1 stop7h 40m

San Diego

Sat 4/20

1 stop8h 45m

$236

Flights are sorted by cheapest first

Deals found on 3/17

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.
Search Deals

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 March 10, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
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.
Search Deals

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 $64 while a round-trip flight costs $140. Price data was last updated on March 17, 2024.

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 $377). 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

$327

May

$328

June

$377

July

$368

August

$313

September

$299

October

$288

November

$334

December

$305

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.

SAN

Temperature

57.2 - 71.6 °F

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated March 19, 2024.
Get a feel of what it's like to fly with Frontier, Delta 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.
8.1
Very good
9,147 reviews

Comfort

7.9

Overall

8.1

Boarding

8.3

Crew

8.6

Entertainment

7.4

Food

7.3

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

8.1
Very good
9,147 reviews
8.1
Very good
9,147 reviews

Comfort

7.9

Overall

8.1

Boarding

8.3

Crew

8.6

Entertainment

7.4

Food

7.3

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

8.1
Very good
11,551 reviews
8.1
Very good
9,147 reviews

Comfort

7.9

Overall

8.1

Boarding

8.3

Crew

8.6

Entertainment

7.4

Food

7.3

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.5
Good
3,066 reviews
8.1
Very good
9,147 reviews

Comfort

7.9

Overall

8.1

Boarding

8.3

Crew

8.6

Entertainment

7.4

Food

7.3

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.4
Good
11,602 reviews
8.1
Very good
9,147 reviews

Comfort

7.9

Overall

8.1

Boarding

8.3

Crew

8.6

Entertainment

7.4

Food

7.3

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.3
Good
15,312 reviews
8.1
Very good
9,147 reviews

Comfort

7.9

Overall

8.1

Boarding

8.3

Crew

8.6

Entertainment

7.4

Food

7.3

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

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?

    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.

  • Can I find flights from Chicago to San Diego for under $100 on Cheapflights?

    Yes, there are multiple flights from Chicago to San Diego for under $100. The cheapest flight booked recently is on Spirit Airlines for just $93, but on average you can expect to pay $122.

  • Are there nonstop flights from Chicago to San Diego for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Chicago to San Diego under $200. A good price for a nonstop flight from Chicago to San Diego is less than $259.

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

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

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

    Days when nonstop flights are available for this flight are: Tuesday, Saturday.

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

    On average 7 flights depart from Chicago to San Diego per day.
    Morning (6am - Noon) - 43% of flight departures
    Evening (6pm - Midnight) - 57% of flight departures

  • How long is the flight from Chicago to San Diego?

    For as low as $93, Spirit Airlines can have you in San Diego from Chicago in 6h 56m. Airlines will cover a distance of 1729 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Chicago to San Diego round-trip?

    Cheapflights users have booked flights from Chicago to San Diego round-trip from $93. Another airline that can offer you cheap pricing is Frontier. Users have found that Spirit Airlines is 77% cheaper than the other options available to this destination.

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

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

    No one likes to see their flight delayed. When booking a flight from Chicago to San Diego consider choosing SWISS (96%), Emirates (92%) or Japan Airlines (90%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago to San Diego?

    While on average a flight from Chicago to San Diego is generally $712, 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 $99 for that flight.

  • What does ORD to SAN mean?

    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).

  • 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 Las Vegas?

    If you're on a layover in Las Vegas and looking for things to do, consider visiting Fremont Street Experience, Stratosphere Tower, or Colosseum at Caesars Palace. Fremont Street Experience, Stratosphere Tower and Colosseum at Caesars Palace are located about 5.9 mi, 4.3 mi, and 2.6 mi, respectively from Las Vegas Harry Reid Intl if you are interested in checking them out. Those looking to explore during their layover in Las Vegas can rent a car from Las Vegas Harry Reid Intl for about $60 per day.

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 March 19, 2024.

Top 6 airlines flying from Chicago to San Diego

Discover the top 6 airlines that operate flights from Chicago to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$186FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$118Average$380FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Spirit AirlinesCheapest$125Average$245FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest$218Average$442FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$236Average$472FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapest$258Average$449FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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 March 19, 2024.
7%of flight departuresEarly morningMidnight to 6 am
14%of flight departuresMorning6 am to noon
41%of flight departuresAfternoonNoon to 6 pm
38%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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 March 19, 2024.
Sunday20daily flights
Monday34daily flights
Tuesday24daily flights
Wednesday21daily flights
Thursday27daily flights
Friday32daily flights
Saturday21daily flights

Fly with Cheapflights

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

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.

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

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.

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

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.

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

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.

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