DoubleTree by Hilton Seattle Airport Parking: 2026 Guide

Back to Seattle Airport Hotel Parking: Best Park & Fly Deals 2026 | Complete SEA Airport Parking Guide

DoubleTree by Hilton Seattle Airport parking is a park-and-fly option at the hotel located at 18740 International Boulevard in SeaTac, roughly 2 miles from Seattle-Tacoma International Airport. Guests who stay one night can leave their car in the outdoor self-park lot and take the hotel shuttle to SEA — a practical combo for early-morning or late-night flights. Non-hotel guests may also be able to book parking-only packages, though availability varies by season.

• Location: 18740 International Boulevard (State Route 99), SeaTac — approximately 2 miles from SEA terminal
• Parking type: Outdoor, self-park lot (uncovered)
• Shuttle hours: 4 AM–10 PM every 20 minutes; 10 PM–4 AM on a continuous loop
• Best for: Travelers flying out of SEA who want to combine a hotel night with convenient parking
• On-airport comparison: On-site General Parking at SEA runs $32/day; dedicated off-site lots start at $12.95/day
• Book in advance: Peak travel periods — especially summer and holiday weekends — fill up fast

Want to compare DoubleTree parking against every major SEA lot before you decide? Check current SEA airport parking rates on Triply — lots starting from $12.95/day.

What Is DoubleTree by Hilton Seattle Airport Parking and How Does It Work?

DoubleTree by Hilton Seattle Airport parking is a hotel-based park-and-fly program where guests park in the hotel's outdoor lot and use a complimentary shuttle to reach Seattle-Tacoma International Airport. The most common setup is a park, sleep, and fly package — you stay one night at the hotel, then leave your car for the duration of your trip.

The hotel sits on International Boulevard (State Route 99), which runs parallel to the airport's west side. That location puts it just minutes from SEA's terminal entrance by shuttle. For travelers flying Alaska Airlines out of Concourse C or D, or Southwest Airlines out of Concourse B, the proximity is especially useful.

If you're not staying the night, contact the hotel directly to ask about parking-only availability. Reach the parking team at CTAC_Parking@hilton.com or call 206-246-8600. Availability for non-guests depends on demand — so don't assume spots are open without confirming first.

For a broader look at how hotel parking compares to dedicated off-site lots near SEA, see our guide to Seattle airport hotel parking deals in 2026.

How Much Does DoubleTree Seattle Airport Parking Cost?

The DoubleTree does not publish a standalone daily parking rate the way dedicated off-site lots do. Pricing is typically bundled into a park-and-fly hotel package. The exact rate depends on your room type, length of stay, and how many parking days you add on.

To give you context, here's how the DoubleTree option stacks up against verified SEA parking alternatives (verified April 2026):

The DoubleTree's value depends entirely on the room package you book. If the total cost of your hotel night plus parking days beats what you'd pay at a dedicated lot like Jiffy Airport Parking at $12.95/day, it's a solid deal. If not, a standalone lot wins on price. For a full breakdown of what you'll pay across all SEA lots, see our Seattle airport parking rates guide for 2026.

How Do You Use the DoubleTree Seattle Airport Shuttle?

The DoubleTree shuttle runs between the hotel and SEA on a set schedule: every 20 minutes from 4 AM to 10 PM, and on a continuous loop from 10 PM to 4 AM. The continuous loop means the van circles between the hotel and airport without stopping — but it doesn't run on a fixed 20-minute clock during those overnight hours. Wait times during the loop can be unpredictable, so budget extra time for very early or very late departures.

Here's how the shuttle process works:

1. Check in with the hotel front desk when you arrive. Confirm your shuttle departure time for the next day.
2. On departure day, bring your luggage to the hotel lobby before your scheduled shuttle time.
3. The shuttle drops off at SEA's terminal area. From there, follow signs to your concourse — the main garage skybridge connects between Concourses B and C.
4. On your return, call the hotel (206-246-8600) from baggage claim to request pickup. Wait at the designated hotel/courtesy vehicle area.

Plan to arrive at the airport at least 90 minutes before domestic flights and 2.5–3 hours before international flights. Factor in the shuttle ride plus time to clear security. If you have TSA PreCheck, security lines move considerably faster — but it's still smart to build in buffer time, especially during the morning rush on I-5 or SR-99.

How Far Is DoubleTree Seattle Airport Parking from the Terminal?

The DoubleTree is located approximately 2 miles from the SEA terminal along International Boulevard. By shuttle, that translates to roughly 5–10 minutes depending on traffic on SR-99 and any airport access road congestion.

Seattle-Tacoma International Airport is 14 miles south of downtown Seattle. The DoubleTree's address at 18740 International Boulevard puts it directly on the primary access corridor used by most off-site parking shuttles. During the 2026 SEA Gateway Project roadway improvements, some temporary detours near the terminal frontage are possible — check for signage and check real-time traffic on Waze before heading out.

For comparison, Doug Fox Airport Parking — the closest dedicated off-site lot — is just 3 minutes from the terminal. That's still faster than the DoubleTree shuttle in most cases, which is worth considering if ground transfer time matters to you.

Is DoubleTree Seattle Airport Parking Safe and Secure?

The DoubleTree outdoor lot is a hotel-managed facility. As a Hilton property, the lot benefits from the hotel's security infrastructure — including on-site staff available around the clock for guest assistance. However, the lot is uncovered and outdoors, which is standard for most off-site parking near SEA.

For travelers concerned about security, here are the key considerations:

• Staffed hotel property: Unlike standalone parking lots, you're parking at a full-service hotel with 24/7 front desk coverage
• Uncovered lot: No protection from Pacific Northwest rain — consider a car cover for longer trips
• Lighting: Hotel lots are typically well-lit for guest safety, though specific camera coverage details should be confirmed with the hotel directly
• No valet option: The DoubleTree offers self-park only — you keep your keys
• ADA accessibility: As a major hotel brand, accessible parking spaces should be available; confirm specifics when booking

If covered parking or valet service is a priority, MasterPark Garage ($17.99/day) and WallyPark Premier Garage ($18.95/day) both offer covered options with 24/7 security and surveillance cameras at comparable price points.

How Does DoubleTree Parking Compare to Other SEA Airport Parking Options?

The DoubleTree makes the most sense for one specific traveler: someone who wants to sleep near the airport the night before a flight and park their car in one place. For pure parking value, dedicated off-site lots beat it on price and shuttle reliability.

• vs. SEA On-Airport Garage: On-airport General Parking costs $32/day — potentially over $200 for a week-long trip. Any off-site option including DoubleTree packages saves significant money for trips longer than 2–3 days.
• vs. Jiffy Airport Parking ($12.95/day): Jiffy is cheaper per day and runs 24/7 with attendants meeting you at your car. No hotel room required.
• vs. Doug Fox ($14.95/day): Doug Fox is the closest lot to SEA at ~3 minutes. Faster shuttle, no hotel stay needed, and free cancellation.
• vs. WallyPark Outdoor Self Park ($14.95/day): WallyPark offers free WiFi, coffee, and water — perks the DoubleTree lot doesn't include as standalone parking.
• vs. other hotel lots: Other airport hotels near SEA offer similar park-and-fly packages. Compare total package cost — room plus parking days — before committing.

If you're doing a multi-day trip without an overnight stay, a dedicated lot almost always offers better daily rates and more flexible cancellation terms. For long-term trips, review the full breakdown in our Seattle airport long-term parking guide.

How Do You Book and Validate Your DoubleTree Seattle Airport Parking Reservation?

Booking DoubleTree Seattle airport parking requires a slightly different process than booking a standalone lot. Here's how it works step by step:

1. Book your hotel stay: Go to the Hilton website or a third-party booking platform. Search for DoubleTree by Hilton Seattle Airport at 18740 International Boulevard. Look for park-and-fly package rates — these bundle parking days with your room rate.
2. Confirm parking days: Specify how many days of parking you need beyond checkout. The hotel should confirm your parking reservation in writing or by email.
3. Check in with the front desk: When you arrive, let staff know you're using the park-and-fly package. They'll give you a parking pass or voucher for your dashboard.
4. Validate your parking voucher: This is a step some travelers miss. Your parking duration needs to be logged with the front desk before you leave for the airport. Confirm checkout and parking end-date details in person.
5. On return: Call the hotel from SEA baggage claim at 206-246-8600. The shuttle will meet you at the courtesy vehicle pickup area.
6. Pick up your car: Retrieve your vehicle from the lot. Return your parking pass to the front desk if required.

For cancellations, contact the hotel directly at CTAC_Parking@hilton.com before your arrival date. Cancellation policies vary by package type — read the terms carefully when booking, especially around non-refundable rates. Pre-paid parking packages typically have stricter cancellation windows than flexible room rates.

Tip for peak travel periods: The DoubleTree fills up quickly around summer weekends and major holidays. The 2026 FIFA World Cup brings matches to Seattle — expect high demand for airport-area hotels and parking in June and July 2026. Book at least 4–6 weeks in advance for travel during those windows.

Not sure the DoubleTree package is the right fit? Compare all SEA airport parking options side by side on Triply — off-site lots start at $12.95/day with free cancellation.

2026 Construction Update: What DoubleTree Parkers Need to Know

SEA is in the middle of its Sustainable Airport Master Plan (SAMP) — one of the largest airport expansion projects in the Pacific Northwest. The SEA Gateway Project targets roadway and terminal frontage improvements with completion in 2026. During active construction, some access roads near the terminal may have temporary detours.

The good news: the main SEA parking garage remains fully operational throughout construction. Hotel shuttles on International Boulevard are generally unaffected, though SR-99 traffic can back up near the airport entrance during peak hours. Build in an extra 10–15 minutes when traveling during morning rush (6–9 AM) or evening rush (4–7 PM). The C Concourse expansion is also targeting substantial completion by Q2 2026, which may affect signage near that concourse temporarily.