2018 AIRSTREAM INTERSTATE EXT-LOUNGE, 2018 Airstream Interstate for sale. If you are looking for the best way to travel across the country in style, and comfort, an RV is the best way to go. Take road trips anytime with the Interstate. Set out across the country, visit landmarks, weekend camping trips, travel around in style and comfort without the need for a hotel. It is loaded with features, options, and incredible comfort throughout. Contact us today for more details about this Airstream Interstate. As a family-owned, award-winning local RV dealer with multiple locations in Sumner, Everett, Fife, Kent, and Mt. Vernon, Washington, Poulsbo RV is dedicated to helping you find the perfect travel companion. Let our knowledgeable team assist you in selecting the ideal RV that best for you.  Stock#: CC4609 | 2018 Airstream Interstate