Cheap flights from Sioux Falls to Allentown from $356

Travelers frequently search for route combinations, such as Sioux Falls and Fort Lauderdale, Seattle, Orlando, Los Angeles, Burbank, Nashville, Boston, Zürich, Monterrey, Portland, Las Vegas, Greensboro, Barcelona, Austin, Dallas, San Jose, Bangkok, Budapest, Honolulu, Ontario.

Travelers frequently search for route combinations, such as Allentown and Orlando, Salt Lake City, Tampa, Denver, Honolulu, Fargo, Fort Lauderdale, San Diego, Philadelphia, Islip, Owensboro, New Orleans, Page, Arcata, Elmira, Miami, Provo, Lubbock, Long Beach, Hilo.

The main airport in Sioux Falls is Sioux Falls Regional. It is also served by Sioux Falls Regional, Watertown Regional, Sioux Gateway.

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.

Currently, you can fly between Sioux Falls and Allentown with United Airlines.

If you don’t have specific dates for your trip between Sioux Falls and Allentown, 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 Sioux Falls and Allentown, 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 Sioux Falls. The main one is Sioux Falls Regional and other nearby airports include Sioux Falls Regional, Watertown Regional, Sioux Gateway

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.