Mammoth Yosemite Airport (MMH)
Mammoth Lakes, US 🇺🇸 Small Airport Scheduled Service
ICAO
KMMH
IATA
MMH
Elevation
7135 ft
Region
US-CA
Local Time
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GPS Code: KMMH
Local Code: MMH
Location: 37.625381° N, -118.84306° E
Continent: North America
Type: Small Airport
About Mammoth Yosemite Airport
Updated: Jan 1, 2026Mammoth Yosemite Airport (IATA: MMH, ICAO: KMMH) serves as the primary air access point for the town of Mammoth Lakes and the surrounding Eastern Sierra region of California. It is a small public airport providing a crucial link for tourists, particularly during the winter ski season. Opened in 1947 and owned by the Town of Mammoth Lakes, the airport initially catered to general aviation. Over the decades, it underwent upgrades to accommodate commercial passenger service. Its name reflects its role as a gateway not only to Mammoth Mountain but also to the eastern entrance of Yosemite National Park via the seasonal Tioga Pass Road.
The airport is situated approximately six miles east of Mammoth Lakes, just off U.S. Route 395. Travelers typically reach the town and nearby ski resorts via pre-booked shuttles, rental cars, or hotel transport services. Operations at MMH are predominantly domestic and highly seasonal, with a significant increase in flights during the winter months. Scheduled commercial service is primarily provided by United Express, offering connections to hubs such as Los Angeles (LAX) and San Francisco (SFO). Additional public charter services may be offered by other carriers. The airport does not handle scheduled international flights.
The facility consists of a single, small terminal building designed for efficient processing rather than extended stays. Amenities are limited but functional, including airline check-in counters, a TSA security checkpoint, a waiting area, and rental car desks. A small cafe and gift shop are typically available for passengers. There are no airline lounges or extensive retail options.
For travelers using Mammoth Yosemite Airport, planning is key. Arriving 90 minutes prior to departure is generally sufficient, but it is wise to confirm with the airline. Due to its high elevation of over 7,100 feet, the airport is susceptible to weather-related flight delays or cancellations, especially during winter storms; monitoring flight status is recommended. Ground transportation, including rental cars and shuttles, should be booked in advance as on-demand availability can be scarce. Visitors should also be aware of the high altitude and stay hydrated upon arrival.
What Travelers Say
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Online Reviews Summary
Mammoth Yosemite Airport (KMMH (MMH)) generally garners a positive sentiment among travelers due to its cozy atmosphere and convenience, serving as a quick gateway to the Sierra Nevada. Travelers often appreciate the efficiency of procedures at this compact regional airport. However, its high-altitude location means operations can be significantly impacted by weather, leading to potential flight diversions.
What Travelers Love
- Scenic Location and Atmosphere: The airport is noted for its incredible setting, offering panoramic views of snow-capped peaks and a terminal resembling a welcoming mountain chalet. The approach into MMH is considered one of the most picturesque in the US.
- Quick Procedures: Due to its compact size, arrival and departure processes are often completed rapidly, typically within 15-20 minutes from baggage claim to exiting.
- Short Security Wait Times: Security lines are generally brief, often between 5-10 minutes. However, during peak seasons like July, August, and December, wait times can increase by 30-50%.
- Basic Amenities: The terminal provides a small café or snack counter, a souvenir shop, free Wi-Fi, and outlets for charging electronic devices. Hot Creek Aviation, an FBO at the airport, offers a cozy waiting area with a fireplace and outdoor seating with scenic views.
- Parking Availability: Daily and long-term overnight parking is available, costing $8.00 per night for overnight stays, payable at a self-service kiosk. Overnight parking requires a free permit for airport users.
Common Complaints
- Weather-Related Flight Disruptions: The airport's mountainous location makes it highly susceptible to strong winds and heavy snowfall, frequently leading to flight delays or diversions to nearby airports such as Eastern Sierra Regional Airport (BIH) in Bishop or Fresno. This has historically affected operational reliability.
- Limited Commercial Flight Options: United Airlines relocated its scheduled commercial service from MMH to BIH in December 2021 primarily due to weather-related operational reliability issues at Mammoth Yosemite Airport. Currently, Advanced Air offers seasonal service.
- Limited Dining and Shopping: The airport has a very limited selection of food and beverage options, primarily a small café, and lacks extensive retail or luxury lounges.
- Lack of Public Transportation from Airport: There is no public transit directly connecting Mammoth Yosemite Airport to the town of Mammoth Lakes. Travelers must rely on taxis, shuttles, or rental cars.
Overall, Mammoth Yosemite Airport offers a convenient and picturesque, albeit small-scale, travel experience, particularly appealing to those prioritizing quick access to the outdoor attractions of the Eastern Sierra. Travelers should be mindful of potential weather-related disruptions and plan ground transportation in advance due to limited public options and amenities.
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Airport Routes
Mammoth Yosemite Airport (MMH) offers 7 flight routes operated by 1 airline. The primary operator is Advanced Air. Popular destinations from Mammoth Lakes include Meadows Fld, Bishop, McClellan-Palomar, Hawthorne Municipal and Oakland Intl.
Route Network Map
Top Routes (by observations)
Newly Discovered
- McClellan-Palomar (CLD) new
- Hawthorne Municipal (HHR) new
- Oakland Intl (OAK) new
- Ontario Intl (ONT) new
- Meadows Fld (BFL) new
- North Las Vegas (VGT) new
- Bishop (BIH) new
Popular Flight Routes
| Destination | IATA | City | Aircraft Type | Airline | Details | Route Map |
|---|---|---|---|---|---|---|
| McClellan-Palomar | CLD |
Carlsbad | J328 | Advanced Air | 4 flights · 323 mi | |
| Hawthorne Municipal | HHR |
Hawthorne | PC12 | Advanced Air | 4 flights · 340 mi | |
| North Las Vegas | VGT |
Las Vegas | PC12 | UNKNOWN | 3 flights · 232 mi | |
| Meadows Fld | BFL |
Bakersfield | P28U | UNKNOWN | 1 flight · 213 mi | |
| Oakland Intl | OAK |
Oakland | J328 | WSN | 1 flight · 185 mi | |
| Ontario Intl | ONT |
Ontario | C750 | UNKNOWN | 1 flight · 344 mi | |
| Bishop | BIH |
Bishop | PC12 | UNKNOWN | 1 flight · 71 mi |
Top Airlines
Operating at Mammoth Yosemite AirportAirlines by Flight Activity
Based on observed flight operations and route network| Airline | Routes | Flights | Destinations | Last Activity |
|---|---|---|---|---|
Advanced Air
WSN
/ AN
|
3 | 9 | 3 | Mar 15, 2026 |
For Pilots
| Designation | Length | Width | Surface | Status |
|---|---|---|---|---|
09/27 |
7000 ft | 100 ft | ASP | Active Lighted |
| Type | Description | Frequency |
|---|---|---|
| AWOS | AWOS 3 | 118.05 MHz |
| CNTR | OAKLAND CNTR | 125.75 MHz |
| RDO | RIVERSIDE RDO | 122.15 MHz |
| UNIC | CTAF/UNICOM | 122.8 MHz |
Ground Transportation
Taxis
Several local taxi companies and private shuttle services operate at the airport, such as Mammoth Taxi and MAWS Transportation. It is highly recommended to book transportation in advance, as on-demand availability can be very limited, especially during peak travel times. Ride-sharing services like Uber and Lyft have a limited presence and may not be reliably available.
Rental Cars
Car rental counters for Enterprise Rent-A-Car and National Car Rental are located inside the airport terminal. Due to high demand and limited vehicle inventory, especially for 4WD/AWD vehicles in the winter, it is essential to reserve your car well in advance of your trip.
Public Transportation
There is no direct, scheduled public bus service from the airport terminal. The primary way to connect to public transit is by taking a pre-booked hotel shuttle or private shuttle into the town of Mammoth Lakes. From town, you can access the Eastern Sierra Transit Authority (ESTA) bus system for free travel around Mammoth Lakes and paid service to other regional destinations.
Nearby Airports
Fresno Yosemite International Airport
Fresno, US
Medium Airport Scheduled Service
Fresno Yosemite International Airport
Fresno, US
Medium Airport Scheduled Service