Plain links today · Disclosure
BWI vs IAD (2026): parking, rental cars and hotels compared
Baltimore/Washington International Thurgood Marshall and Washington Dulles are about 45 miles apart. Figures below come from the FAA (boardings), each airport's own parking and rental pages, and OpenStreetMap hotel locations — checked Oct 26, 2026. We never invent a price.
| BWI | IAD | |
|---|---|---|
| Airport | Baltimore/Washington International Thurgood Marshall Airport | Washington Dulles International Airport |
| City | Glen Burnie, MD | Dulles, VA |
| FAA boardings rank (CY2025) | 26 · 12,274,134 | 22 · 13,859,569 |
| Cheapest official parking / day | $11(Long Term Parking A) | $20(Economy Parking Lot) |
| Official lots on our page | 5 | 3 |
| Rental brands (airport list) | 9 | 6 |
| Verified hotels nearby (OSM) | 25 | 25 |
| Way.com page | Yes | Yes |
| SpotHero page | Yes | Yes |
| ParkSleepFly page | Yes | Yes |
Official parking lots
| BWI | Kind | Daily | IAD | Kind | Daily |
|---|---|---|---|---|---|
| Long Term Parking A | Economy / long-term | $11 | Economy Parking Lot | Economy / long-term | $20 |
| Long Term Parking B | Economy / long-term | $11 | Garage 1 & 2 | Garage | $25 |
| Express Parking | Express / shuttle | $14 | Terminal Parking | Garage | $40 |
| Daily Garage | Garage | $16 | |||
| Hourly Garage | Garage | $30 |
Every rate is copied from the airport's own parking page and dated on our BWI parking and IAD parking pages. Hotel locations © OpenStreetMap contributors.
Guides for each airport
FAQ
How far is BWI from IAD?
About 45 miles between the airports in our nearby-airport graph (sourced with the airport coordinates). Driving time varies by traffic.
Which airport is busier, BWI or IAD?
IAD ranks higher by FAA final CY2025 passenger boardings: BWI is #26 in Busiest US airports · ranked by public data (12,274,134 enplanements) and IAD is #22 in Busiest US airports · ranked by public data (13,859,569).
Which has cheaper official parking, BWI or IAD?
On the published daily rates we copied from each airport's own parking page (checked Oct 26, 2026), BWI is lower at $11/day (Long Term Parking A) versus IAD at $20/day. Rates change; confirm on the official pages.
Do BWI and IAD list the same rental car brands?
BWI lists 9 brands and IAD lists 6 on their official rental pages (checked Oct 26, 2026). See each airport's car rental page for the names.
How many hotels are near BWI vs IAD?
OpenStreetMap lists 25 verified hotels near BWI and 25 near IAD within each page's search radius (checked Oct 26, 2026). Distances are straight-line.