BWI Long Term Parking B Shuttle: 2026 Complete Guide

The BWI long term parking B shuttle is a free, airport-operated bus service that connects Long Term Parking Lot B at Baltimore/Washington International Thurgood Marshall Airport to the main terminal — running every 10 to 15 minutes around the clock. Back to BWI Long Term Parking A | Complete BWI Airport Parking Guide. Parking in Long Term Lot B costs $11 per day (verified June 2026), per the Maryland Aviation Administration — making it one of the cheapest on-airport options at BWI. If you know how the shuttle works before you arrive, you can save time, avoid stress, and be at your gate faster.

• Free shuttle service: The Long Term Parking B shuttle runs 24/7 with no extra fee — it's included in your $11/day parking rate.
• Frequency: Buses run every 10–15 minutes during normal hours. Between 1–5 AM, expect up to 25 minutes between shuttles.
• Rate: Long Term Parking (including Lot B) costs $11/day — the lowest daily rate of any on-airport option at BWI.
• Lot location: Long Term Lot B is located off Aviation Boulevard (MD Route 170), accessible via Interstate 195.
• Off-airport comparison: Several nearby private lots charge as little as $7.50/day with free shuttle service — saving you up to 32% versus Lot B.
• Accessibility: ADA-accessible shuttles and parking spaces are available in Long Term Lot B.

Before you commit to on-airport parking, compare BWI Long Term Parking B rates against off-airport lots starting at $7.50/day on Triply — you might find better value a few minutes away.

What Is the BWI Long Term Parking B Shuttle and How Does It Work?

The BWI long term parking B shuttle is a complimentary bus service operated by the Maryland Aviation Administration (MAA) as part of BWI's on-airport ground transportation system. You pay nothing beyond your daily parking rate to ride it. The shuttle loops continuously through Long Term Lots A and B, then drops passengers at the terminal's lower level (Arrivals roadway).

When you pull into Lot B, follow the signs to your assigned parking row. Note your bus stop number — this is posted on signs throughout the lot and is critical for your return trip. Each bus stop in Lot B is numbered, and the shuttle picks up at each stop on its loop. Forgetting your stop number is the most common mistake first-time parkers make, so take a photo of the sign before you walk away from your car.

The shuttle drops arriving passengers at the terminal's lower level, where you then walk up to departures and security. According to BWI's official shuttle page, the Long Term Parking shuttle is part of a network of free courtesy buses serving Express Parking, the Daily Garage, and the BWI Rail Station as well.

How Much Does BWI Long Term Parking B Cost?

Long Term Parking Lot B costs $11 per day, per official rates published by the Maryland Aviation Administration (verified June 2026). This is the same rate as Long Term Lot A — there is no price difference between the two lots. The $11/day rate took effect on July 1, 2024, the first increase since 2009.

Here's how Long Term Lot B stacks up against every other on-airport option at BWI:

For a 7-night trip, Long Term Lot B costs $77 total. That's $35 less than the Daily Garage for the same trip. For longer trips, the savings grow quickly. For more detail on how these rates compare across all BWI options, see the full Baltimore Washington Airport parking rates guide.

Where Is Long Term Lot B at BWI and How Do I Get There?

Long Term Parking Lot B is located on the south side of BWI's airport campus, accessed via Aviation Boulevard (MD Route 170) off Interstate 195. From I-95, take I-195 east toward the airport. Follow signs for Long Term Parking — Lot B is clearly marked from the main airport approach road.

If you're coming from Annapolis, take Interstate 97 north to I-195 west, then follow the airport signs. From the Baltimore-Washington Parkway (MD-295), exit onto I-195 east. Both routes feed directly to Aviation Boulevard, which leads to the Long Term Lot B entrance. Before you leave home, check real-time traffic on Waze — the I-195 corridor can back up during peak morning and evening hours.

Lot B sits farther from the terminal than the Hourly or Daily Garage, but the free shuttle removes the distance barrier entirely. The lot is open 24 hours a day, 7 days a week. BWI's on-airport facilities total roughly 22,000 parking spaces across all lots, per official airport data — so capacity is substantial, but Lot B can fill during major holidays.

How Often Does the Long Term Parking B Shuttle Run?

The Long Term Parking B shuttle runs every 10 to 15 minutes during standard hours, based on official BWI shuttle schedule data. Between 1 AM and 5 AM, frequency drops to approximately every 25 minutes. Plan around this window if your flight departs or arrives in the early morning hours.

At each bus stop shelter within Lot B, you'll find a real-time next-shuttle monitor. This small display shows the estimated arrival time of the next bus. Use it to gauge whether you have time to grab your bags from the trunk or if you need to move quickly to the stop. These monitors are the most reliable tool for planning your shuttle wait on-site.

During peak travel periods — summer weekends, Thanksgiving, and the winter holidays — shuttle buses run at higher frequency to handle the volume. Still, add a buffer of 15 to 20 extra minutes to your terminal arrival plan on busy travel days. For a detailed breakdown of the shuttle schedule across all Long Term lots, the BWI long term parking bus schedule guide covers timing and peak-period tips in depth.

Step-by-Step: How to Use the BWI Long Term Lot B Shuttle

First-time users of the BWI long term parking B shuttle often feel uncertain about the process. Here's exactly what to expect from the moment you pull in to the moment you reach your gate.

1. Enter Lot B via Aviation Boulevard and find an open space. The lot uses numbered rows and lettered sections.
2. Note your bus stop number. Each section of the lot has a numbered shelter stop. Take a photo with your phone — you'll need this number when you return.
3. Walk to the nearest shuttle shelter. Shelters are spaced throughout the lot. Follow the signage or look for the overhead lights marking each stop.
4. Check the real-time monitor at the shelter to see when the next bus arrives.
5. Board the shuttle when it arrives. Tell the driver you need the terminal drop-off. The ride takes just a few minutes.
6. Exit at the terminal's lower level (Arrivals/lower roadway). Walk up the ramp or take the elevator to departures and check-in.
7. Pass through TSA security. Review TSA security screening guidelines before your trip so you're prepared at the checkpoint. If you fly frequently, TSA PreCheck can cut your security time significantly.

Build in at least 30 to 40 minutes from the time you park to reaching your gate. That includes walking to the shuttle stop, waiting up to 15 minutes for the bus, the ride to the terminal, and walking to your concourse. Allow more time if you're checking bags or traveling during a busy period.

Where Do I Catch the Shuttle When Returning to Long Term Parking B?

When your flight lands and you're ready to return to Lot B, head to the lower level roadway (Arrivals level) of the BWI terminal. Look for the clearly marked shuttle pickup zones — the Long Term Parking shuttle stops are signed and separate from ride-share, taxi, and rental car zones.

The shuttle runs a continuous loop, stopping at the terminal on each pass. Once you board, the driver will call out the stops or the bus will display the destination. Ride until the Lot B stop and look for your bus stop number sign — this is where that photo you took earlier saves you. The lot is large, and walking to the wrong stop adds unnecessary time.

If you arrive between 1 and 5 AM, expect to wait up to 25 minutes for the shuttle. The shelters at the terminal pickup zone are covered, so you're protected from weather while you wait. If you have any trouble, airport staff are stationed at the ground transportation desk inside the terminal and can direct you.

Is BWI Long Term Parking B a Good Deal Compared to Off-Airport Options?

Long Term Lot B at $11/day is the cheapest on-airport option at BWI, but several off-airport private lots charge less — and also include free shuttle service. Here's a direct comparison based on current rates (verified June 2026):

Based on our analysis, off-airport lots like The Parking Spot and FastPark 2 can save you up to 32% versus Long Term Lot B at $7.50/day. For a 10-day trip, that's a $35 difference. FastPark 2 also offers covered parking — an advantage over Lot B's open-air surface lot. The trade-off is that on-airport Lot B is operated directly by the Maryland Aviation Administration, so there's no third-party booking required.

For travelers who want the simplicity of on-airport parking without worrying about third-party reservations, Long Term Lot B is still a strong choice. But if saving money is the priority, off-airport lots with comparable shuttle service are worth a look. The airport parking near BWI guide covers the full range of off-site options with current rates and shuttle details.

Tips for Using the BWI Long Term Parking B Shuttle During Peak Times

A few simple habits make a big difference when the shuttle is busiest. Use these tips to stay ahead of the crowd and catch your flight without stress.

• Photograph your bus stop number the moment you park. The lot is large, and every stop looks similar at 5 AM with luggage in tow.
• Add 20 extra minutes to your travel plan on Fridays, Sundays, and major holidays. Shuttles fill up and may pass full stops during peak periods.
• Use the early-morning window wisely. Between 1 and 5 AM, the shuttle runs every 25 minutes instead of 10–15. If your flight departs at 5 AM, aim to be at the shuttle stop by 4 AM at the latest.
• Travel light to the shuttle stop. Fold luggage handles down and stand clear of the bus doors to let other passengers board quickly.
• Check if Lot B is full before you leave home. BWI's parking advisory page shows real-time lot availability. If Lot B is marked full, consider off-airport alternatives — see what to do when BWI long term parking is closed for your backup plan.
• Accessibility needs? ADA-accessible spaces are available in Long Term Lot B. Accessible shuttle buses are part of the fleet. If you need assistance boarding, airport staff can help — call BWI's ground transportation line before your trip to confirm arrangements.
• Missed the shuttle? If a shuttle passes without stopping (rare, but possible when full), the next bus arrives within 10–15 minutes. Stay at the marked stop and wait. Do not walk toward the terminal — the shuttle route does not parallel a safe pedestrian path.

The $520 million Concourse A/B Connector opened January 9, 2026 — the largest capital project in BWI history. It connects Concourses A and B with a single-level route, which means you spend less time walking once you arrive at the terminal from the shuttle. Minor concession buildouts are still ongoing, so expect some activity near the new connector space.

Ready to lock in your BWI parking spot before your trip? Compare BWI Long Term Parking B rates against off-airport lots starting at $7.50/day on Triply — search takes under a minute and you can book with free cancellation.