The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Chicago to San Diego

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available in the middle of January. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.

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week: 11 Jan - 17 Jan

Flights from just £84

£94

£93

£103

£132

£102

£117

£129

£167

£162

£84

£116

NovemberDecemberJanuary

Flight Duration4 h and 43 mFlights between Chicago and San Diego take, on average, 4 h and 43 m minutes, but the time can vary according to other factors

Cheapest flight£70Cheapest price for a flight between Chicago and San Diego found by our customers in the last 72 hours

Destination airportSan Diego International AirportFor the route from Chicago to San Diego

High seasonMayAccording to search data from our customers, May is the busiest time to fly from Chicago to San Diego

Airlines flying this routeAlaska AirlinesAirline(s) with flights between Chicago to San Diego

One-way average Price£162The average price for a flight Chicago - San Diego at Opodo is £162, based on the price of last 6 months

Best time to bookMarchAccording to real data August is the most popular time to book a flight to San Diego when departing from Chicago

Distance: 1,726 mi

Chicago airports

O'hare International Airport (ORD)How far from city centre: 13 mi

San Diego airports

Book your Chicago to San Diego flight

Search direct and connecting flights from Chicago to San Diego (United States) with Opodo. When your results appear, sort them by timing or fare and book whichever option fits your plans best.

The cheapest fare booked on this route in recent days was £70, although the price you're shown will vary with your travel dates and departure times.

Flying non-stop from Chicago to San Diego takes roughly 4 h and 46 m, whereas journeys with a layover will take longer.

Airports and airlines on the Chicago–San Diego route

Plan your trip with confidence by checking the relevant airports and comparing the airlines that fly this route.

Departure airport: O'hare International Airport (ORD)

The weather in San Diego

The best time to go may come down to the kind of weather you most enjoy. In San Diego, temperatures average around 24ºC in the warmest months and roughly 10ºC in the coldest. Bear this in mind when deciding what to pack and planning time outdoors.

Highs: up to 25ºC
Lows: down to 9ºC
Hottest month: August
Coldest month: December
Driest month: August
Wettest month: February

Tips for cheaper flights from Chicago to San Diego

A few ways to bring down the cost of your flight from Chicago to San Diego:

Flexible dates: check fares across two or three departure days. Going a day earlier or later can make a real difference to what you pay.
Baggage allowance: see what's included in each fare before booking, so you're not stung by unexpected charges at the airport.
Airports on your route: double-check which airports you'll fly from and into, particularly if the city has more than one. It makes it easier to plan transfers and work out the full cost of getting around.

After a bigger saving? Book a Flight + Hotel package to combine the two in a single booking and unlock exclusive discounts on your stay in San Diego. Adding car hire to the same booking can save you money too.

Frequently asked questions about flights from Chicago to San Diego

On average, how much is the price of a flight from Chicago to San Diego?

When you fly from Chicago to San Diego the average price is £162. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.

How can I find cheap flights from Chicago to San Diego at Opodo?

The cheapest price for a flight from Chicago to San Diego is 70 £. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.

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

The most popular months to book a flight from Chicago to San Diego are August, July and December, based on the searches of our customers.

When is the best time to travel from Chicago to San Diego?

The best time of the year to go to San Diego when flying from Chicago depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, March is the top 1º month to fly to San Diego from Chicago in terms of searches from our customer, followed by February and April. If you prefer to avoid high peaks of turism, however, and escape a crowded period, May, November and October are the months with less volume of searchs for the route Chicago - San Diego.

How long does the flight take to go from Chicago to San Diego?

The total flight time between Chicago and San Diego is of around 4 h and 43 m on average, considering an average distance of 1,725.55 mi, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).

How is the weather in San Diego compared to Chicago?

While in Chicago temperatures can reach an average of 22º ºC in summer, San Diego can experience temperatures up to 22º ºC during the hot season. In winter, however, the weather shows around 14º ºC in San Diego, compared to the -3º ºC average in Chicago.

Which are the airlines with flights from Chicago to San Diego?

Airlines with direct flights departing from Chicago to San Diego are:

Alaska Airlines.
American Airlines.

Frontier Airlines

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