Cheap Flights from Harrisburg (MDT) to San Diego (SAN)

Popular airlines from Harrisburg Intl. Airport (MDT) to San Diego Intl. Airport (SAN)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Harrisburg (MDT) to San Diego (SAN)

Prices were available within the past 7 days and start at for one-way flights and £352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 10 Jun - Sat, 13 Jun
MDT
Harrisburg
SAN
San Diego
£352 Return, found 1 day ago
£352
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 10 Jun from Harrisburg to San Diego, returning Sat, 13 Jun, priced at £352 found 1 day ago
Alaska Airlines
Wed, 10 Jun - Sat, 13 Jun
MDT
Harrisburg
SAN
San Diego
£395 Return, found 1 day ago
£395
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 10 Jun from Harrisburg to San Diego, returning Sat, 13 Jun, priced at £395 found 1 day ago

Frequently asked questions

What is the cheapest month to fly from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.)?
August is typically the cheapest month to fly from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.), with average return fares of approximately £293. This is about 18% lower than the average price throughout the year. August often sees lower prices as the peak summer travel season begins to wind down, leading to reduced demand. Other cheap months to fly from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.) include May and September.
How do I find cheap flights from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The best time to fly from Harrisburg International Airport (MDT) to San Diego International Airport (SAN) is typically August or September. Based on booking data from the past year, you can find return flights for around £293 during these months. This period often offers a good balance of more affordable fares and pleasant weather in San Diego, making it an ideal time for your trip.
How many flights per day from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.)?
There are approximately 33 connecting flights per day from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.). Some common connection points include O'Hare Intl. (ORD), Washington Dulles Intl. (IAD), and Charlotte-Douglas Intl. (CLT).
What is the earliest flight from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The earliest flight from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in January. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.)?
You'll typically find the most flights from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.) on a Wednesday, with around 25 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United Airlines, and Delta Air Lines. Flight schedules are consistent throughout the week, with Wednesday offering only slightly more flights than other days.
What are the most popular departure times for flights from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The most popular departure times for flights from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.) are in the early morning, from 6am to 9am. Approximately 43% of passengers prefer this time window. Many major carriers, including American Airlines and United Airlines, offer flights during this window. These times work well because you can get an early start to your travel day and arrive in San Diego with plenty of time to settle in.
How long does it take to fly from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.)?
A flight from MDT to SAN with a layover takes around 7 hours 50 minutes, with the route covering approximately 2,285 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Select the "Business class" and "First class" filters when looking for MDT to SAN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?
It's easy to earn miles on a Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Diego from Harrisburg Intl. (MDT)?
From Harrisburg Intl. (MDT), you can fly directly into San Diego Intl. (SAN) to reach San Diego. Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), O'Hare Intl. (ORD), Philadelphia Intl. (PHL) before reaching San Diego. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.) at the last minute?
Typically, booking a last minute flight from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?
Securing a Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your Harrisburg, PA (MDT-Harrisburg Intl.) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Harrisburg Intl.
Destination airport
San Diego Intl.
Return price
£352
Distance
3655 km

Book with confidence

Compare flights from Harrisburg to San Diego easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Harrisburg to San Diego. Operating between them flights per day, 2 airlines cover the route. And fly direct, getting you to San Diego Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Harrisburg Intl. to San Diego Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Harrisburg Intl. (MDT) to San Diego Intl. (SAN)

The easiest way to view the best deals on flights from Harrisburg to San Diego today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Harrisburg Intl. to San Diego Intl. start at just £352 and range up to £395.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Harrisburg and San Diego
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Harrisburg to San Diego flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Harrisburg Intl. to San Diego Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Harrisburg to San Diego easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.