KIAH Airport Parking: 2026 Rates, Lots & Best Deals

KIAH airport parking is the parking system serving George Bush Intercontinental Airport — Houston's primary international airport, located 23 miles north of downtown Houston. Parking options range from on-airport terminal garages at $25/day max to off-site lots starting at just $3.99/day with a free shuttle included. Whether you're flying United out of Terminal B or catching an international flight at Terminal D, there's a parking option that fits your budget and schedule.

• Cheapest on-airport option: ecopark uncovered runs ~$6.47/day (verified June 2026), per Houston Airport System official rates.
• Cheapest off-site option: PreFlight Airport Parking starts at $3.99/day on the 7-day uncovered rate — up to 84% less than on-airport valet.
• Fastest off-site shuttle: Fine Airport Parking runs every 5-7 minutes, 24/7 — the most frequent of any off-site lot near IAH.
• Terminal B alert: The Terminal B ticketing lobby is closed through late 2026. All Terminal B passengers must check in at Terminal C and ride the Skyway to their gates.
• Total capacity: IAH has roughly 40,000 parking spaces across all facilities, per Houston Airport System data.
• Book online first: Pre-booking at fly2houston.com or through a comparison site typically saves money versus drive-up rates.

Back to Bush Airport Parking Coupon Guide | Complete IAH Airport Parking Guide

How Much Does KIAH Airport Parking Cost? (2026 Rates for Every Option)

Based on current Houston Airport System published rates and verified off-site lot data, IAH parking spans a wide range. Terminal garages charge $5.00 per hour with a $25/day maximum — good for short trips. Valet parking costs $30/day, the priciest on-airport choice. The ecopark lots offer the best on-airport value: ~$6.47/day uncovered and ~$8.31/day covered (verified June 2026).

Off-site lots near KIAH are significantly cheaper across the board. Based on our analysis of current Triply rates, you can save up to 84% compared to valet by choosing an off-site lot. Here's the full picture:

Compare IAH off-site parking rates from $3.99/day on Triply — lock in your spot before prices rise.

For a full breakdown of hourly versus daily versus weekly options, see our IAH long-term parking rates guide.

What Are the Best Parking Lots Near George Bush Intercontinental Airport?

The best lot depends on your priorities — price, covered parking, shuttle speed, or extra amenities. Based on our analysis of verified lot data for 2026, here are the top choices:

• Best budget pick: PreFlight Airport Parking — from $3.99/day on the 7-day uncovered rate. Gated, well-lit, 24/7 monitoring, and a free around-the-clock shuttle. Only 5-8 minutes from terminals.
• Best shuttle frequency: Fine Airport Parking — shuttles run every 5-7 minutes, 24/7. Also offers EV charging (20 spaces), luggage assistance, and valet. At $9.99/day, it's a strong all-around value.
• Best covered parking: Fast Park & Relax — fully covered at $10.95/day, 4-6 minutes from the airport. Free 24/7 shuttle every 10-15 minutes and luggage assistance included.
• Best for loyalty perks: The Parking Spot — earns Spot Club Rewards on every visit. Covered parking from $11.25/day, with shuttle every 15 minutes and free water bottles at pick-up.
• Best hotel parking package: Hilton Garden Inn Houston/Bush IAH at $9.95/day, or Comfort Suites Houston IAH Airport at $8.95/day. Both include hotel amenities and an airport shuttle. See our IAH airport hotel parking guide for full package details.

Which KIAH Parking Lot Is Closest to My Terminal?

Choosing the right garage saves serious walking time at IAH. Each terminal garage is matched to specific terminals, according to Houston Airport System official data.

• Terminal A/B Garage → Serves Terminals A and B. Terminal A handles Alaska Airlines, American, Delta, Frontier, JetBlue, Southwest, Spirit, and Sun Country. Terminal B handles United Airlines and United Express — but note: Terminal B ticketing is closed through late 2026. Check in at Terminal C and ride the free Skyway to your gate.
• Terminal C Garage → Serves Terminal C (United Airlines, United Express).
• Terminal D/E Garage → Serves Terminals D and E. Terminal D (Mickey Leland International Terminal) handles Air Canada, Air France, ANA, Avianca, British Airways, Copa, Emirates, EVA Air, KLM, Korean Air, Lufthansa, Qatar Airways, Singapore Airlines, Turkish Airlines, and Volaris. Terminal E handles United Airlines and United Express — with the new ticketing lobby opened February 2025.

If you park in the wrong garage, no problem. IAH's free Skyway (automated people mover, inside security) and free Subway (underground train, outside security) connect all five terminals around the clock. The ecopark lots on John F. Kennedy Boulevard and Will Clayton Parkway also serve all terminals via free shuttle.

2026 construction note: The $1.46 billion Terminal Redevelopment Program is wrapping up at IAH. The Terminal D-West Pier opened in October 2024 with six new wide-body gates. Allow extra time if you're connecting through Terminal B — ticketing closures remain in effect.

How Does On-Airport Parking Compare to Off-Airport Parking at KIAH?

On-airport parking at IAH puts you closer to the terminals — but you pay for that convenience. Off-airport lots cost up to 84% less than valet and typically add only 5-15 minutes to your trip via free shuttle. Here's how the two options stack up:

On-Airport Parking

• Walk directly to your terminal from the garage (or take the free Skyway/Subway)
• Terminal garages: $25/day max — best for trips under 3 days
• ecopark: ~$6.47/day — competitive with off-site lots, free 24/7 shuttle
• Valet: $30/day — maximum convenience, drive-up drop-off at the terminal curb
• Accepts cash, Visa, Mastercard, Amex, Discover, Apple Pay, and Google Pay
• Accessible parking on the ground level of all terminal garages; van-accessible spaces available

Off-Airport Parking

• Rates from $3.99/day (PreFlight, 7-day uncovered) to $11.25/day (The Parking Spot covered)
• All major off-site lots include a free 24/7 shuttle to all terminals
• Shuttle times range from 5-7 minutes (Fine Airport Parking) to 15 minutes (The Parking Spot)
• Most lots are gated, monitored, and well-lit — comparable security to on-airport garages
• Free cancellation available at all verified off-site lots
• Best for trips of 3 days or longer — savings compound quickly

For a week-long trip, parking at PreFlight's 7-day uncovered rate ($3.99/day × 7 = ~$27.93) versus an on-airport terminal garage ($25/day × 7 = $175) saves you over $147. That's a real number worth planning around.

Looking for the best discounts on either option? The Bush Airport parking coupon guide covers promo codes and online booking discounts in detail.

How Do IAH Airport Parking Shuttles Work — and How Long Do They Take?

Every major off-site lot near KIAH runs a free shuttle to and from all terminals, 24 hours a day. Shuttle frequency varies by lot — and that difference matters when you're racing to catch an early flight.

• Fine Airport Parking: Every 5-7 minutes, 24/7 — the fastest available
• PreFlight Airport Parking: 24/7 service, continuous rotation
• Fast Park & Relax: Every 10-15 minutes, 24/7
• The Parking Spot: Every 15 minutes, 24/7 — picks up at your car
• Comfort Suites IAH Airport: Shuttle during operating hours
• Hilton Garden Inn Bush IAH: Shuttle to and from terminals (schedule may vary)

On-airport, the ecopark and ecopark 2 lots both run free shuttles every 10-15 minutes, 24/7. Driving times from off-site lots to the airport terminals range from 4-6 minutes (Fast Park) to 7-10 minutes (Hilton Garden Inn). Add shuttle wait time and expect a total transfer of 10-25 minutes from car to terminal curb.

Houston traffic can be severe on I-69 and the Sam Houston Tollway (Beltway 8). Before you leave, check real-time traffic on Waze so you can pad your drive accordingly.

Is It Cheaper to Book IAH Parking in Advance?

Yes — pre-booking almost always saves money at IAH. Houston Airport System lets you book ecopark and other on-airport lots in advance at fly2houston.com, often at a lower rate than driving up. Off-site lots listed on comparison platforms also offer online-only discounts that aren't available at the gate.

A few practical tips for advance booking:

1. Book as early as possible — rates at popular lots like Fine Airport Parking and Fast Park can rise as your travel date approaches.
2. Look for lots with free cancellation — all six verified off-site lots in the Triply database offer it, so you can rebook if you find a better deal.
3. Check the 7-day rate separately. PreFlight's weekly uncovered rate drops to $3.99/day — a significant discount from the standard daily price.
4. Use a comparison platform to see all options side by side before committing.

For step-by-step booking instructions and the best current promo codes, the IAH airport parking fee guide covers the full reservation process.

If you're flying on TSA PreCheck, factor in security time savings too — PreCheck lanes at IAH are typically much faster, which gives you more flexibility on when you arrive.

Does IAH Have EV Charging or Covered Parking?

Yes on both counts. IAH offers EV charging at on-airport facilities, and covered parking is available both on-site and at several off-site lots. According to Houston Airport System's EV charging page, charging stations are installed in the terminal garages. Off-site, Fine Airport Parking operates 20 EV charging spaces in its lot — a rare amenity for an off-airport facility near IAH.

Covered parking options at KIAH include:

• On-airport terminal garages: All are multi-level covered structures — $25/day max
• ecopark covered: ~$8.31/day on-airport
• PreFlight Airport Parking (covered): $6.63/day standard, $5.78/day on 7-day rate
• Fast Park & Relax: Fully covered at $10.95/day
• The Parking Spot (covered): $11.25/day
• Fine Airport Parking (covered): Available with EV charging at $9.99/day

Accessible parking is available on the ground level of all terminal garages and in both ecopark lots. Van-accessible spaces are included at all on-airport facilities, per Houston Airport System data.

Find the Best KIAH Airport Parking Rate for Your Trip

KIAH airport parking covers every budget — from the $3.99/day PreFlight weekly rate to $30/day on-airport valet. For most travelers making trips of three days or longer, an off-site lot with a free 24/7 shuttle delivers the best combination of savings and convenience. The ecopark lots are a strong middle ground if you want on-airport simplicity without garage prices.

Plan ahead: the $1.46 billion Terminal Redevelopment Program is in its final phase, and Terminal B ticketing remains closed through late 2026. Give yourself extra time, especially for early-morning United flights. Reviewing TSA security screening guidelines before you fly can also help you plan your arrival time more accurately.

Ready to book? Compare all IAH airport parking options — from $3.99/day — on Triply and reserve your spot in minutes.