What is the airport code for Guam?

Antonio B. Won Pat International Airport: IATA GUM, ICAO PGUM.

Which is the busiest airport in Guam?

Antonio B. Won Pat International Airport (GUM), with 1.7 million passengers (US BTS T-100, Aug 2025 – Jul 2026).

Airports in Guam

1 airport with scheduled flights, busiest first.

Guam has 1 airport with scheduled passenger flights and an IATA code. The busiest is Antonio B. Won Pat International Airport (GUM, 1.7 million passengers, US BTS T-100, Aug 2025 – Jul 2026).

Code	Airport	Serves	Passengers / year	Routes
GUM	Antonio B. Won Pat International Airport	Hagåtña	1,730,848	21

Busiest routes

Route	To	Distance	Passengers / year
GUM – ICN	Seoul, South Korea	3,221 km	440,228
GUM – NRT	Tokyo, Japan	2,508 km	370,061
GUM – MNL	Metro Manila, Philippines	2,570 km	194,635
GUM – HNL	Honolulu, United States	6,117 km	186,206
GUM – HND	Tokyo, Japan	2,495 km	91,100
GUM – PUS	Busan, South Korea	2,883 km	90,464
GUM – SPN	Saipan, Northern Mariana Islands	207 km	86,624
GUM – KIX	Osaka, Japan	2,512 km	81,937
GUM – TKK	Weno, Micronesia	1,019 km	51,176
GUM – NGO	Nagoya, Japan	2,500 km	47,490

Questions

Guam has 1 airport with scheduled passenger flights and an IATA code (OurAirports, 14 October 2026). Airfields without airline service are not counted.