Washington Airport ParkingWashington Dulles International Airport (IAD)

Washington Dulles International Airport (IAD) is the Washington, D.C. region's primary international airport, handling all long-haul international flights for the metro area. It's United Airlines' East Coast hub and one of the few U.S. airports without a perimeter rule or slot controls — meaning airlines can fly anywhere in the world with no restrictions.

Located 26 miles west of downtown D.C., IAD is significantly farther from the city than DCA (5 miles). On-airport parking is among the most reasonable in the D.C. region: Garages 1 & 2 are $21/day, Economy Lot is $15/day, Terminal Lot $32/day, Valet $39/day. Off-airport parking through Triply typically costs a fraction of the Terminal Lot rate; the lot list on this page shows current per-day rates, and a search with your dates shows your total with taxes and fees.

Hyatt Regency Dulles Airport — Closest bookable lot at 1.9 miles, in Herndon. Free shuttle runs 24/7: every 30 minutes 6 AM–11 PM (top and bottom of the hour), on demand overnight. Airport pickups at curb 2B or 2G outside lower-level baggage claim. Check in at the front desk first (allow about 15 minutes) and park only in Hyatt-marked spots — the lot is shared with other businesses. 24/7 front desk; parking-only guests can use the hotel Wi-Fi and lounge. No hotel stay required.

DoubleTree Washington Dulles Airport — Outdoor lot 2.1 miles out in Herndon. Free shuttle 4 AM–midnight, every 30 minutes, with return pickups by phone during shuttle hours — no shuttle midnight–4 AM. Arrive at least 1 hour before you want to leave to check in and get your security sticker. No extra charge for full-size vans, pickup trucks or large SUVs.

IAD finally got direct rail access in November 2022 with the WMATA Silver Line Metrorail. The station is connected to the main terminal via an indoor pedestrian tunnel with moving sidewalks (~600 ft, 5-minute walk).

Silver Line travel times from IAD:

• Reston (2 stops) — 8 minutes

• Tysons Corner (3 stops) — 15 minutes

• Rosslyn — 40 minutes

• Metro Center (downtown D.C.) — 53 minutes

• L'Enfant Plaza (National Mall) — 55 minutes via Metro Center transfer

Fares range from $2.25 off-peak to $6.75 peak. For Tysons Corner, Reston, or other Silver Line destinations, Metro is excellent — fast, cheap, no parking needed.

For downtown D.C., Metro is significantly cheaper than the $55–$80 rideshare or $51–$58 Washington Flyer Taxi (plus $5 trip fee). But the 53-minute travel time is much longer than DCA's 10-minute Yellow Line ride to L'Enfant. For time-sensitive trips, DCA + Metro beats IAD + Metro.

Dulles is in the middle of a $7 billion capital improvement plan. Key 2026 milestones:

• Concourse E ($500M+) — Brand new concourse. 435,000 sq ft, 14 gates (7 widebody or 14 narrowbody). New 40,000 sq ft United Club. Connected directly to AeroTrain. Opening fall 2026.

• D2 Dulles Development Project — Will replace aging Concourses C and D (1983 temporary structures). Construction begins October 2026.

• Capital One Lounge — Opening soon in Main Terminal directly after TSA PreCheck. Capital One Venture X cardholders only.

• 100 MW Solar Power Facility — Part of sustainability plan. Includes battery storage and electric bus charging.

The airport's iconic main terminal (Eero Saarinen, 1962) with its dramatic suspended catenary roof is a National Historic Landmark and remains the architectural centerpiece. The AeroTrain people mover connects the terminal to Concourses A, B, and C; mobile lounges still serve Concourse D (one of the last airports using these "plane mate" vehicles).

• Free EV charging at IAD — Garage 1 has 96 EV charging stations and Garage 2 has 66 — all free with parking (you only pay standard parking rates). Garage 1 has the most chargers. Stations are 120V Level 1 — best for long-term parkers.

• Pre-book for guaranteed space — Reserve at reserve.flydulles.com. Especially important during international travel peaks.

• Verify shuttle hours — Hyatt Regency Dulles runs 24/7 (on demand overnight). DoubleTree Washington Dulles runs 4 AM–midnight only. Match shuttle hours to your flight times.

• Express Valet text service — Text your valet ticket number to (703) 214-4455 upon landing — your vehicle is ready at the Service Center when you arrive.

• Allow time for inter-terminal transit — AeroTrain stations connect Concourses A, B, C. Concourse D requires a mobile lounge. Allow 10–15 minutes for connections.

• Capital One Venture X opens new lounge soon — If you're a Venture X cardholder, the new Capital One Lounge opens in Main Terminal in 2026.

• Watch for IAD vs DCA cost tradeoff — IAD parking is cheaper than DCA, but ground transportation to D.C. is much more expensive ($55–$80 rideshare vs $12–$20 from DCA). Total cost favors DCA for most downtown trips.