United Adds New Dulles-Liberia, Costa Rica Nonstop For Winter Holiday Travel

Other international routes launching in 2026 include Reykjavík, Iceland; Halifax, Nova Scotia; Québec City, Quebec; Los Cabos, Mexico, beginning Oct. 25; and Cartagena, Colombia, which also launches Dec. 17.

United said the Liberia service is scheduled to operate daily during the peak holiday travel period before concluding on Jan. 4.