Cheap flights from Illinois to San Diego (SAN) from $65

Most people fly into San Diego (SAN) if they book a flight to San Diego from Illinois. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

Yes, there are multiple flights from Illinois to San Diego for under $200. The cheapest flight booked recently is on Frontier for just $132, but on average you can expect to pay $145.

Cheapflights has at least 20 direct flights from Illinois to San Diego under $200. A good price for a nonstop flight from Illinois to San Diego is less than $318.

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

Nonstop flights are available for this route on the following days: Tuesday, Wednesday, Friday, Saturday.

On average, you can expect to see 5 flights from Illinois to San Diego a day.
Morning (6am - Noon) - 80% of flight departures
Evening (6pm - Midnight) - 20% of flight departures

For as low as $132, Frontier can have you in San Diego from Illinois in 10h 44m. Illinois and San Diego are separated by a distance of 1729 mi.

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $65. Frontier flights start at $67 while deals on United Airlines start at $78 one-way.

Most travelers choose Chicago O'Hare Intl - San Diego, Chicago Midway - San Diego or Lambert-St Louis - San Diego when deciding on the best route from Illinois to San Diego.

Consider Japan Airlines (88%), Air Canada (77%) or Finnair (76%) when booking your flight. These represent the most reliable airlines when flying from Illinois to San Diego.

The cheapest flight price from Illinois to San Diego is $170. On average you can expect to pay $687. The most popular route, (Chicago O'Hare Intl - San Diego), can usually be booked for $115.

Chicago O'Hare Intl Airport is ORD and San Diego Airport is SAN. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are some additional IATA codes for airports related to your trip.

The amount of baggage you can bring on your Illinois 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.

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

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

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

Yes. Cheapflights offers flight deals from Illinois 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.

Many airlines flying from Illinois 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.

Yes, you can often find last-minute deals on Illinois 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.

The Illinois to San Diego flight deals you see on this page were last updated on 6/11.

Before booking your flight from Illinois to San Diego check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

Currently, October is the cheapest month in which you can book a flight from Illinois to San Diego (average of $288). Flying from Illinois to San Diego in July is currently the most expensive (average of $346). 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.