Cheap flights from Chicago to San Diego from £59

Cheap flights from Chicago to San Diego from £59

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Direct
Wed, Mar 25
Chicago ORDSan Diego SAN

£59
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Direct
Tue, Mar 24
Chicago ORDSan Diego SAN

£59
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Direct
Tue, Mar 17
Chicago ORDSan Diego SAN

£59
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Direct
Mon, Mar 23
Chicago ORDSan Diego SAN

£82
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Direct
Wed, Mar 18
Chicago ORDSan Diego SAN

£98
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Direct
Mon, Mar 16
Chicago ORDSan Diego SAN

£98
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1 stop
Wed, Mar 18 – Sat, Mar 21
Chicago ORDSan Diego SAN

£132
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3 stops
Tue, Mar 17 – Wed, Mar 25
Chicago ORDSan Diego SAN

£152
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Direct
Tue, Mar 17 – Fri, Mar 20
Chicago ORDSan Diego SAN

£154
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2 stops
Wed, Mar 18 – Wed, Mar 25
Chicago MDWSan Diego SAN

£155
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Direct
Mon, Mar 16 – Thu, Mar 19
Chicago ORDSan Diego SAN

£163
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Direct
Fri, Mar 13 – Tue, Mar 17
Chicago ORDSan Diego SAN

£164
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Getting from San Diego airport to the city center

San Diego is served by San Diego International Airport (SAN), located just 5 km northwest of downtown San Diego. The airport offers convenient airport transfers to city center destinations via public transit, taxis, ride-hailing services, and rental cars. The MTS Bus Route 992 connects the airport to downtown and the Old Town Transit Center, where travelers can transfer to the San Diego Trolley. Journey times and costs vary depending on the mode of transport, time of day, and traffic conditions.

Notes:

  • Prices in USD; table created in 2025 and subject to change.
  • MTS Bus Route 992 operates between the airport and downtown via Old Town Transit Center.
  • Taxis and ride-hailing services pick up at designated areas outside each terminal.
  • Rental car facilities are located at the Rental Car Center, accessible via a free shuttle.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to San Diego

Depart from
O Hare International
Arrive to
San Diego International
Average flights per week
179
Flight distance
2771 km
Worth visiting
Griffith Observatory

Weekly direct flights

Discover the top airlines offering direct flights from Chicago to San Diego in the next month. You’ll find the number of daily direct flights per airline in the chart.

AirlineMon 16.02Tue 17.02Wed 18.02Thu 19.02Fri 20.02Sat 21.02Sun 22.02
------45545
------21222
------21122
Weekly flights: 40 totalDaily flights: 5.71 averageMost flights: Thursday 5 flights
AirlineMon 23.02Tue 24.02Wed 25.02Thu 26.02Fri 27.02Sat 28.02Sun 01.03
5445434
2222222
2------2---------
Weekly flights: 47 totalDaily flights: 6.71 averageMost flights: Monday 5 flights
AirlineMon 02.03Tue 03.03Wed 04.03Thu 05.03Fri 06.03Sat 07.03Sun 08.03
4335555
2222222
---------------------
Weekly flights: 44 totalDaily flights: 6.29 averageMost flights: Thursday 5 flights
AirlineMon 09.03Tue 10.03Wed 11.03Thu 12.03Fri 13.03Sat 14.03Sun 15.03
4455555
2222222
---------------------
Weekly flights: 47 totalDaily flights: 6.71 averageMost flights: Wednesday 5 flights

Check-in for a flight from Chicago to San Diego

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Frontier AirlinesFFTF9No
Spirit AirlinesNKSNKNo
Hawaiian AirlinesHALHANo
Alaska AirlinesASAASNo

Weather in San Diego

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C10°C
February17°C10°C
March18°C11°C
April19°C12°C
May20°C14°C
June22°C16°C
July24°C18°C
August25°C19°C
September25°C19°C
October23°C16°C
November21°C13°C
December17°C11°C
Hottest Month
25°C
August
Coldest month
10°C
February
Sunny days
346
days per year

14 day forecast

Friday
13 Feb
20°C12°C
20 Feb
15°C12°C
Saturday
14 Feb
17°C10°C
21 Feb
20°C12°C
Sunday
15 Feb
15°C11°C
22 Feb
21°C13°C
Monday
16 Feb
84%
14°C11°C
23 Feb
21°C15°C
Tuesday
17 Feb
88%
16°C13°C
24 Feb
19°C15°C
Wednesday
18 Feb
88%
14°C12°C
25 Feb
19°C14°C
Thursday
19 Feb
81%
14°C12°C
26 Feb
19°C15°C

San Diego travel tips

Is there a place to discover history in San Diego?

Go on a whale-watching boat trip in San Diego

Enjoy Shakespeare plays at the San Diego historic theatre

Travelers usually depart from O Hare International, Chicago Midway International, or Chicago Rockford International when they travel from Chicago to San Diego. Book your trip to arrive at San Diego International, or McClellan–Palomar. The distance between Chicago and San Diego is 2771 km. The most popular airlines for this route are United Airlines, Frontier Airlines, Spirit Airlines, Hawaiian Airlines, and Alaska Airlines. Chicago and San Diego have 179 direct flights per week.

Frequently asked questions

How long does it take to travel from Chicago to San Diego?
What is the flight distance between Chicago and San Diego?
What airlines offer nonstop (direct) flights between Chicago and San Diego?
What are the most popular routes to and from Chicago?
What are the most popular routes to and from San Diego?
Which airports are there in Chicago?
What airports are near Chicago?
What airports are near San Diego?
Which airlines fly between Chicago and San Diego?
When’s the best time to travel between Chicago and San Diego?
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How many airports are there near Chicago?
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What time do flights between Chicago and San Diego depart?
What time do flights between Chicago and San Diego arrive?

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