How much does a plane ticket to San Diego from New Hampshire cost?

The cost of a plane ticket from New Hampshire to San Diego can vary greatly depending on several factors such as:

* Time of year: Airfares tend to be higher during peak travel seasons, such as summer and holidays.

* Day of the week: Flights on weekends and certain days of the week, such as Fridays, are often more expensive.

* Advance booking: Booking your flight well in advance can help you get a lower fare.

* Choice of airline: Different airlines may offer different fares for the same route.

* Layovers: Flights with stopovers or layovers may be cheaper than direct flights.

To give you a general idea, a one-way plane ticket from Manchester-Boston Regional Airport (MHT) in New Hampshire to San Diego International Airport (SAN) in San Diego can range from around $150 to $400. Round-trip tickets may cost anywhere from $300 to $800 or more.

It's recommended to use an online flight search engine or compare prices from different airlines directly to find the best deal for your specific travel dates.