Question 1

What is the cheapest parking at Dulles airport?

Accepted Answer

Hyatt Regency Dulles at around $5.95/day pre-booked is the cheapest off-airport option with 24/7 shuttle. Comfort Suites Chantilly at $5.99/day is also very cheap but has limited shuttle hours (6:15 AM–9:30 PM only). The cheapest on-airport option is the Economy Lot at $15/day. All prices are based on a sample 8-day booking and may vary.

Question 2

How much does it cost to park at IAD?

Accepted Answer

On-airport parking at IAD ranges from $15/day (Economy Lot) to $39/day (Valet). Garages 1 & 2 are $21/day, Terminal Lot $32/day. Off-airport parking through Triply starts at around $5.95/day pre-booked — saving up to 75% compared to terminal lots.

Question 3

Does IAD have free EV charging?

Accepted Answer

Yes. Garage 1 has 96 EV charging stations and Garage 2 has 66 — all FREE with parking (you only pay standard parking rates). Stations are 120V Level 1, so best for long-term parkers. Garage 1 has the most chargers. Look for 'electric vehicle charging only' marked spaces.

Question 4

How do I get from Dulles to downtown D.C.?

Accepted Answer

The Silver Line Metro runs directly from the airport to Metro Center in downtown D.C. in about 53 minutes for $2.25–$6.75 (off-peak/peak). The station connects to the terminal via a 600-foot indoor pedestrian tunnel with moving sidewalks. Washington Flyer Taxi is $51–$58 plus a $5 trip fee. Rideshare (Uber/Lyft) is $55–$80.

Question 5

How early should I arrive at IAD?

Accepted Answer

Arrive 2 hours before domestic flights and 3 hours before international flights. During Thanksgiving, Christmas, spring break, and summer peak, allow 3+ hours. International departure clusters in evening hours (6–10 PM) create concentrated security peaks.

Question 6

Should I fly into IAD or DCA?

Accepted Answer

Depends on destination. DCA (Reagan National) is closer to downtown D.C. (5 miles vs IAD's 26 miles) but has a 1,250-mile perimeter rule limiting most flights. IAD is the international gateway with no flight restrictions. For long-haul international flights or West Coast/Pacific Rim trips, IAD is usually the only option. For short-haul domestic East Coast travel, DCA is more convenient and Metro service is much faster (10 min vs 53 min to downtown).

Question 7

Can I cancel my IAD parking reservation?

Accepted Answer

Yes — most IAD parking reservations booked through Triply include free cancellation up to 24 hours before your scheduled check-in. Check the cancellation policy on each lot's detail page for specific terms.

Question 8

When does Concourse E open at IAD?

Accepted Answer

Concourse E is scheduled to open in fall 2026. The new 435,000-sq-ft concourse adds 14 gates (7 widebody or 14 narrowbody) and a 40,000 sq ft United Club. It connects directly to the AeroTrain people mover system. Concourse E is the first phase of a $7 billion long-term capital plan.

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