Cheap Flights from San Diego, CA to Chicago, IL from $69

Return flight: Chicago – San Diego

On Cheapflightsplus.com you will find 28 direct and 400 connecting flights from San Diego to Chicago. You can compare airfare deals from 7 airlines and multiple travel sites from $69, book and save on cheap plane tickets and last minute offers. Also check out SAN-CHI flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from San Diego to Chicago depends on and how to choose the most interesting flight option for you.

Distance between San Diego and Chicago is 2788 miles. Time difference between the cities is 2h. Airplanes depart 06:15 to 23:00 from 11 San Diego airport and arrive 06:15 to 23:00 to 7 Chicago airports. Average flight time is 4h 17m.

  • The fastest flight 4h 3m
  • Average flight time 4h 17m
  • The earliest flight 06:15
  • The latest flight 23:00
  • Distance 1733 ml

The cheapest months to travel to Chicago are october (from 69 $), november (from 69 $), june (from 71 $).

The most expensive months are september (from 101 $), august (from 95 $), december (from 92 $).

What is the lowest airfare San Diego to Chicago?

The cheapest plane ticket found by our users is $69. This airfare is for economy class on one-way F92818 flight by Frontier Airlines for October 8, 2025 which leaves San Diego in San Diego at 06:41 am and arrives at Chicago Midway at 20:53.

Economy class
$69
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Business class
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First class
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Flight Schedule San Diego (California) to Chicago (Illinois)

06:35 — 12:54
4h 19m flight time
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from$163
San Diego — Chicago
UA2343 United Airlines
08:10 — 14:50
4h 40m flight time
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from$118
San Diego — Chicago
HA6417 Hawaiian Airlines
08:10 — 14:50
4h 40m flight time
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from$122
San Diego — Chicago
AS1184 Alaska Airlines
09:47 — 15:59
4h 12m flight time
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from$236
San Diego — Chicago
AS4024 Alaska Airlines
10:41 — 16:57
4h 16m flight time
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from$193
San Diego — Chicago
UA2677 United Airlines
12:20 — 18:59
4h 39m flight time
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from$118
San Diego — Chicago
HA6419 Hawaiian Airlines
12:20 — 18:59
4h 39m flight time
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from$122
San Diego — Chicago
AS1186 Alaska Airlines
13:58 — 20:13
4h 15m flight time
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from$193
San Diego — Chicago
UA369 United Airlines
14:05 — 20:20
4h 15m flight time
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from$163
San Diego — Chicago
UA2628 United Airlines
14:11 — 20:25
4h 14m flight time
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from$167
San Diego — Chicago
UA1779 United Airlines
16:53 — 22:56
4h 3m flight time
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from$94
San Diego — Chicago
F91856 Frontier Airlines
17:19 — 23:59
4h 40m flight time
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from$118
San Diego — Chicago
HA6430 Hawaiian Airlines
17:19 — 23:59
4h 40m flight time
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from$122
San Diego — Chicago
AS1188 Alaska Airlines
22:20 — 04:30+1day
4h 10m flight time
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from$154
San Diego — Chicago
UA1513 United Airlines
22:20 — 04:30+1day
4h 10m flight time
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from$163
San Diego — Chicago
UA1726 United Airlines
Full flight schedule will help you in detecting at what time planes fly from San Diego to Chicago. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 7, 2025.

Popular Airlines on the Route

The flight San Diego — Chicago is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 50 departures per week at the price of from $ 122 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 6133.

Direct flights

There are 28 nonstop flights on the route. The fastest direct flight is F91856 by Frontier Airlines takes 4h 3m and the cheapest is F92818 by Frontier Airlines for $94.

  • AS - Alaska Airlines
    from $122
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  • F9 - Frontier Airlines
    from $94
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  • HA - Hawaiian Airlines
    from $118
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  • UA - United Airlines
    from $154
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See more direct flights

Connecting Flights

There are 400 flights with layovers on the route. The fastest connecting flight is NK1157 by Spirit Airlines takes 5h 33m and the cheapest is F92818 by Frontier Airlines for $69.

  • AS - Alaska Airlines
    from $132
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  • F9 - Frontier Airlines
    from $69
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  • SY - Sun Country Airlines
    from $140
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  • HA - Hawaiian Airlines
    from $124
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  • UA - United Airlines
    from $193
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  • NK - Spirit Airlines
    from $71
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  • G4 - Allegiant Air
    from $162
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See more connecting flights

Airports

You can fly from San Diego to Chicago from 11 airports (San Diego, San Diego Regional, Gillespie Field, Golden Triangle Reg., El Cajon, Lowndes County, Miramar NAS, Montgomery Field, North Island NAS, Brown Field Municipal, AFB).

San Diego airports

  • San Diego-SAN
    from $69
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  • San Diego Regional-USA
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  • Gillespie Field-SEE
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  • Golden Triangle Reg.-GTR
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  • El Cajon-CJN
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  • Lowndes County-UBS
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  • Miramar NAS-NKX
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  • Montgomery Field-MYF
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  • North Island NAS-NZY
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  • Brown Field Municipal-SDM
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  • AFB-CBM
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Chicago airports

  • O'Hare International-ORD
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  • Midway-MDW
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  • Dupage County-DPA
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  • Chicago FSS-CHI
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  • Merrill C Meigs (closed)-CGX
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  • Pal-Waukee-PWK
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  • Chicago NAS-NOH
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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