United Airlines announced new seasonal service for the Summer of 2018 between Washington Dulles International Airport and Edinburgh, Scotland (EDI) this week. 

Shop on Princes Street, take a walk in history at the National Museum of Scotland or see Scotland's five National Galleries of Art while exploring the city's bustling theater arts scene. The new daily nonstop flights will operate from May 23 to Oct. 4, 2018. For information on when tickets will go on sale, visit United.com for updates. 

United also announced that it is extending its 2018 seasonal schedule between Dulles and Lisbon, Portugal; the service will start on April 9 and end Oct. 26, 2018. 

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