Washington Dulles Airport Parking Ticket Payment Guide

A Washington Dulles airport parking ticket payment depends on which type of ticket you have. Garage exit tickets — the paper slip you get when you enter an on-airport lot — are paid at the exit kiosk by card or cash. Formal FD-series parking citations issued by airport enforcement must be paid through Loudoun County's online portal, not at the gate. Knowing which type you have saves time and money at Washington Dulles International Airport (IAD).

• Garage exit tickets are paid at exit lanes by credit card, debit card, or cash. Rates cap at $21/day in Garages 1 and 2 and $32/day in the Terminal Lot, based on current MWAA rates as of April 2026.
• FD-series parking citations are issued by MWAA enforcement officers. Pay them through Loudoun County's T2Hosted online portal — not at the airport exit lane.
• Payment deadline: FD citations must be paid within 30 days to avoid a $25 late fee, according to Loudoun County's standard citation enforcement process.
• Lost ticket fee: Losing your garage exit ticket typically results in a charge equal to the daily maximum for your lot.
• Pre-booking at reserve.flydulles.com lets you scan a QR code at the exit — no paper ticket needed.
• Off-site hotel lots near IAD start at $5.99/day, skipping the on-airport payment system entirely.

Traveling soon and want to skip on-airport rates? Compare IAD parking options from $5.99/day on Triply — including off-site lots near Dulles with free cancellation.

What Is a Washington Dulles Airport Parking Ticket and Which Type Do You Have?

Two very different documents are called a "parking ticket" at Dulles. Identifying yours first is the single most important step in resolving it quickly.

Parking Garage Exit Ticket

A parking garage exit ticket is the paper slip printed when you enter the Terminal Lot, Garage 1, Garage 2, or the Economy Lot. The system timestamps your entry. When you leave, you pay based on how long your car was parked. This is not a violation — it is simply how you pay for your stay. Keep it with you the entire trip.

FD-Series Parking Citation

An FD-series parking citation is a formal violation notice placed on your windshield or mailed to your registered address. These are issued by the Metropolitan Washington Airports Authority (MWAA). The citation number starts with the letters "FD." Common reasons include parking in a fire lane, exceeding a time limit, or parking without a valid permit. These tickets are processed through Loudoun County — not through the airport's parking payment system.

If your document says "FD" followed by numbers, you have a citation. If it has a barcode and an entry timestamp, you have a garage exit ticket.

How Do You Pay a Washington Dulles Airport Parking Ticket Citation (FD-Series) Online?

FD-series citations are administered through Loudoun County's parking enforcement system. You can pay online, by mail, or by phone — but not at the airport exit lane.

Online Payment (Fastest Option)

1. Find your citation number on the ticket. It starts with "FD."
2. Go to Loudoun County's T2Hosted online payment portal, accessed through Loudoun County's official government website under parking citations.
3. Enter your citation number and vehicle plate number.
4. Review the violation details and confirm the amount owed.
5. Pay by credit or debit card. A small convenience fee may apply — check the portal before submitting.
6. Save or print your payment confirmation number.

Online payment typically processes within a few business days. If you do not receive a confirmation email, call 703-572-4500 to verify your payment was received. According to Dulles Airport's official parking information, the customer service line operates 24 hours a day.

Pay by Mail

Mail a check or money order payable to Loudoun County. Write your citation number clearly on the memo line. Include a copy of the citation so your payment can be matched correctly. Allow 7–10 business days for processing. Do not send cash by mail.

Pay by Phone

Call the MWAA parking assistance line at 703-572-4500. A representative can direct you to the correct payment channel and confirm whether your citation is still within the payment window.

What Are the Payment Deadlines and Late Fees for Dulles Airport Parking Ticket Payment?

FD-series citations carry a 30-day payment window from the issue date. Pay within 30 days and you owe only the face amount of the fine. Miss that deadline and a $25 late fee is added, based on Loudoun County's standard citation enforcement process.

Unpaid citations may escalate further beyond 60–90 days. This can include referral to a collections process and a potential impact on vehicle registration renewal. The exact escalation timeline for FD-series tickets is not publicly detailed by MWAA.

If your citation is approaching the deadline, call 703-572-4500 immediately to confirm your options. Partial payments are generally not accepted. You must pay the full amount — including any late fees — in one transaction.

How Do You Pay at the Dulles Airport Parking Garage Exit?

Paying your parking garage exit ticket at IAD is straightforward. Exit lanes accept all major credit cards and debit cards at automated kiosks. Cash requires an attended lane.

Standard Card Payment at Exit Lane

• Insert or tap your parking ticket at the exit kiosk.
• The system calculates your fee based on entry time.
• Insert or tap your credit or debit card to pay.
• The gate opens automatically. Keep your receipt if you need it for reimbursement.

Pre-Booked Reservation (QR Code Exit)

If you pre-booked at reserve.flydulles.com, you receive a QR code confirmation. Scan it at the exit lane instead of a paper ticket. The gate opens once your reservation is verified. This removes the risk of losing a paper ticket entirely. Pre-booking is available for all on-airport lots and is the recommended method for a guaranteed space at the lowest posted rates.

Cash Payment

Cash payments require an attended lane. Not all lanes are staffed at all hours. Budget extra time if you pay with cash — especially during early morning or late-night departures. The parking team can be reached at 703-572-4500 if you encounter issues at the gate.

For a full breakdown of every lot, see our Dulles Airport parking rates comparison, which covers all options side by side.

What Are All the Dulles Airport Parking Rates by Lot Type?

Understanding the daily maximums helps you budget before you arrive. The table below shows current on-airport rates, verified April 2026 per MWAA.

The Economy Lot charges a flat $15/day regardless of how long you stay. Off-site hotel lots near IAD start at $5.99/day at the Comfort Suites Chantilly – Dulles Airport. Other options include the Spark By Hilton Sterling Dulles Airport at $6.50/day and the Hyatt House Dulles Airport at $6.95/day. The highest-priced off-site lot is Dulles Airport Parking by Crowne Plaza at $9.95/day. That is a savings of up to 63% compared to the Terminal Lot daily max.

For longer trips, see our guide to Dulles Airport long-term parking rates and best lots, including shuttle schedules and booking tips.

What Happens If You Lose Your Dulles Airport Parking Garage Ticket?

Losing your garage exit ticket means the system cannot verify your entry time. You will typically be charged the daily maximum rate for your lot — $32 for the Terminal Lot and $21 for Garages 1 and 2, based on current MWAA rates.

If you pre-booked your reservation, a lost paper ticket is not a problem. Your QR code confirmation on your phone is all you need at the exit. This is one of the strongest reasons to book ahead.

If you did not pre-book and lost your ticket, press the intercom button at the exit lane. An attendant may be able to look up your entry time using license plate cameras. The 24-hour parking line at 703-572-4500 can also help if you need to resolve a disputed charge after the fact.

How Can You Appeal or Dispute a Dulles Airport Parking Citation?

You have the right to contest an FD-series citation if you believe it was issued in error. This matters if you were ticketed due to a blocked sign, a visible disabled placard, or another legitimate reason.

1. Do not pay the citation first. Paying is treated as an admission of the violation and typically waives your right to appeal.
2. Note the appeal deadline on your citation — usually within 30 days of the issue date.
3. Call 703-572-4500 to request an appeal hearing or ask how to submit a written dispute.
4. Gather supporting evidence: photos of signage, your parking receipt, a disabled placard, or other relevant documents.
5. Submit your appeal in writing if a phone hearing is not available. Include your citation number, vehicle plate, and a clear explanation.
6. Wait for a written decision. If approved, the citation is dismissed. If denied, you must pay the original fine plus any accrued fees.

MWAA enforcement officers must follow posted signage. If a sign was ambiguous, blocked, or missing, that is a valid basis for appeal. Take photos at the scene immediately if you believe a ticket is being issued unfairly.

Who Do You Contact for Dulles Airport Parking Payment Problems?

The right contact depends on your issue. Here is a clear breakdown so you reach the right person the first time.

• Garage exit payment issues, lost tickets, gate problems: Call 703-572-4500 (24 hours, 7 days). This line also handles lost vehicles, flat tires, and jump starts.
• FD-series citation payments: Contact Loudoun County through their official parking citation portal, or call 703-572-4500 to be connected to the right department.
• Pre-booking questions or reservation issues: Visit reserve.flydulles.com or call the parking assistance number above.
• Off-site hotel lot disputes: Contact the hotel directly. Their parking is managed independently of MWAA.

One practical note: on-airport facilities are seeing increased activity as part of the $7 billion Dulles Next capital improvement plan. Concourse E is scheduled to open in fall 2026, and the D2 project begins construction in October 2026, per current MWAA project timelines. Build extra time into your airport arrival during these periods — parking volume and gate lane staffing may be affected.

Avoid on-airport payment complexity entirely by booking an off-site lot in advance. Find IAD parking from $5.99/day on Triply — with free cancellation and no surprise fees at the gate.