Washington Dulles International Airport (IAD) – Terminal Guide & Travel Tips

Washington, United States · IAD · North America

Terminal Guide

TerminalAirlinesNotes
Main Terminal (Gates A)United domestic
Concourses B, C, DUnited international,Lufthansa,British Airways,Air France,Ethiopian Airlines,Turkish Airlines,Others

Lounge Directory

LoungeLocationAccess
United Club – Concourse BUnited Club membership, United MileagePlus Club card
United Club – Concourse CUnited Club membership, United MileagePlus Club card
United Polaris LoungeUnited Polaris Business class on eligible international flights
Lufthansa Business LoungeLH/SWISS Business class, Senator status
British Airways GalleriesBA Business/First, oneworld Emerald

Pro Tips

  • The Dulles airport layout is confusing — the underground shuttles (mobile lounges + underground train) add 15 minutes to every connection.
  • Budget 90 minutes minimum for any international connection at Dulles — customs, then re-security, then a tram ride is the standard routine.
  • The new Metro Silver Line to Dulles is a game changer — the cheapest and most reliable way to downtown DC.
  • IAD is often cheaper for transatlantic fares than DCA; check both airports when searching United's transatlantic routes.
  • The historic main terminal (1962, Saarinen) is spectacular — arrive early just to appreciate the architecture.
  • Dulles is large and spread out; gate assignments deep in Concourse C or D require significant walking.
  • Long-term parking at the remote lots is affordable; shuttle buses run frequently to both terminals.

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