Cheap flights from Allentown to San Diego from $228

Travelers frequently search for route combinations, such as Allentown and Fort Lauderdale, Dallas, Orlando, Myrtle Beach, Monterrey, Salt Lake City, Minneapolis, Nashville, Managua, Houston, Key West, Las Vegas, Denver, Atlanta, Honolulu, Ciudad Obregón, Agartala, Pittsburgh, Frankfurt, Buffalo.

Travelers frequently search for route combinations, such as San Diego and Las Vegas, Portland, Dallas, Denver, San Francisco, Salt Lake City, Atlanta, Seattle, New York, Phoenix, Minneapolis, Houston, Reno, Oakland, San Jose, Calgary, Chicago, Sacramento, Detroit, Orlando.

The main airport in Allentown is Lehigh Valley International. It is also served by Newark Liberty International, Baltimore–Washington International, Philadelphia International, LaGuardia, Ronald Reagan Washington National, New York Stewart International Airport, Tweed New Haven, Lehigh Valley International, Westchester County, Atlantic City International.

The main airport in San Diego is San Diego International. It is also served by Los Angeles International, Tijuana International, John Wayne, Ontario International, Palm Springs International, Mexicali International, Hollywood Burbank, Long Beach, Imperial County, Hawthorne Municipal.

Currently, you can fly between Allentown and San Diego with United Airlines.

If you don’t have specific dates for your trip between Allentown and San Diego, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Allentown and San Diego, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Allentown. The main one is Lehigh Valley International and other nearby airports include Newark Liberty International, Baltimore–Washington International, Philadelphia International, LaGuardia, Ronald Reagan Washington National, New York Stewart International Airport, Tweed New Haven, Lehigh Valley International, Westchester County, Atlantic City International

There are a number of airports in and around San Diego. The main one is San Diego International and other nearby airports include Los Angeles International, Tijuana International, John Wayne, Ontario International, Palm Springs International, Mexicali International, Hollywood Burbank, Long Beach, Imperial County, Hawthorne Municipal.