Cheap flights from New York to San Diego from $109

If you are unable to visit San Diego during the month of September, then departing from New York during the month October is also very affordable. Most momondo users find prices during this month for around $337.

The cheapest day to depart from New York to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $369. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $477. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $375. Flights at noon are often more expensive with an average ticket price of $437.

Fly from Newark to San Diego for the best New York - San Diego flight prices

You are more likely to see cheaper flights to San Diego from New York when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $370 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from New York for as low as $301 on momondo.

There are 4 cabin classes available to choose from on New York to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 4% on your flight if you consider stops on a New York to San Diego flight.

As of February 2026, prices for New York to San Diego flights are approximately 15% cheaper when compared to flights at the same time last year.

United Airlines, Alaska Airlines, and Frontier are the most popular carriers operating from New York to San Diego

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to San Diego from New York according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 9 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

Las Vegas (LAS) was the most common stop: 82% of momondo users choosing 1-stop flights on this route connected there.

Flights via Las Vegas (LAS) offer the lowest average round-trip price of $195.

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 7h 08m.

Detroit (DTW) has the shortest average layover time for this route: 0h 50m.

32 flights are operational daily from New York to San Diego as of February 2026. The most popular departure time for this route is 4:00PM, with 49% of flights per day taking off in the afternoon.

The number of flights available between New York and San Diego is 225 per week as of February 2026. The most frequent departure day is Fri, with 18% of weekly flights leaving on this day.