Cheap Flights from Allentown (ABE) to San Diego (SAN)

Popular airlines from Lehigh Valley Intl. Airport (ABE) to San Diego Intl. Airport (SAN)

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Frequently asked questions

What is the cheapest month to fly from Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.)?
January is typically the cheapest month to fly from Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.), with average return fares of approximately £579. This is about 16% lower than the average price throughout the year. January often sees lower prices because it falls after the busy holiday travel season, when demand tends to decrease. Other cheap months to fly from Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.) include February and October.
How do I find cheap flights from Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from Allentown, PA (ABE-Lehigh Valley 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 Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The best time to fly from Allentown, PA (ABE-Lehigh Valley Intl.) (ABE) to San Diego, CA (SAN-San Diego Intl.) (SAN) for the best value is typically January or October. While we don't have specific data on the most popular months for this route, these months historically offer the cheapest fares, with an average return flight costing around £579. This information is based on booking data from the past year, so if you're looking to save on your trip, aiming for these months could be a great option.
How many flights per day from Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.)?
There are approximately 15 connecting flights per day from Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.). Some common connection points include O'Hare Intl. (ORD), Philadelphia Intl. (PHL), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The earliest flight from Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.) typically departs at approximately 5:25 AM local time, operated by American Airlines. This is a seasonal service active in May and June. 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 Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.)?
You'll typically find the most flights from Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.) on a Saturday, with around 14 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. Saturday offers notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The most popular departure times for flights from Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.) are in the early morning, from 6am to 9am. About 48% of passengers prefer this time. Many major carriers, including American Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive in San Diego with plenty of time to settle in.
How long does it take to fly from Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Flights from ABE to SAN with one stop typically take around 8 hours 20 minutes, covering approximately 2,355 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 Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Select the "Business class" and "First class" filters when looking for ABE 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 Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?
It's easy to earn miles on a Allentown, PA (ABE-Lehigh Valley 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 Lehigh Valley Intl. (ABE)?
If you're planning to travel to San Diego from Lehigh Valley Intl. (ABE), you can fly directly into San Diego Intl. (SAN) Some flights may connect through major hubs like Philadelphia Intl. (PHL), O'Hare Intl. (ORD), Charlotte-Douglas Intl. (CLT) 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 Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.) at the last minute?
Typically, booking a last minute flight from Allentown, PA (ABE-Lehigh Valley 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 Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?
Securing a Allentown, PA (ABE-Lehigh Valley 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 Allentown, PA (ABE-Lehigh Valley Intl.) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your Allentown, PA (ABE-Lehigh Valley 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
Lehigh Valley Intl.
Destination airport
San Diego Intl.
Distance
3766 km

Book with confidence

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

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Allentown to San Diego. Operating between them flights per day, 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 Lehigh Valley 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 Lehigh Valley Intl. (ABE) to San Diego Intl. (SAN)

The easiest way to view the best deals on flights from Allentown 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 Lehigh Valley Intl. to San Diego Intl. start at just and range up to .  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lehigh Valley 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 Allentown to San Diego easily and book with confidence

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