Saldana, 36, wore black pants and a fitted white top for her quick spin, reported Us magazine.
"Let's do that again!!! Absolute boredom at #Dulles airport. #poledancing is difficult under these conditions," she wrote via Instagram.
The parents-to-be were headed home after Saldana received an award at the 2014 Hispanic Heritage Awards in Washington, DC, on September 18.
The couple walked the red carpet together as the 'Guardians of the Galaxy' actress wore a long black gown with a peplum ruffle.