Houston to Hagåtña (IAH–GUM) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
While no nonstop service exists between IAH and GUM, 1-stop connecting options are available.
Connection Landscape
On-Time Performance
Travel Essentials
IAH: CDT · GUM: ChST
When it's 6:00 PM in Houston, it's 9:00 AM (next day) in Hagåtña.
Guam is an unincorporated US territory. US citizens travel to Guam with the same freedom as traveling between US states. No passport is needed. A valid government-issued photo ID (driver's license or state ID) is sufficient for travel between the US mainland and Guam. There are no immigration or customs formalities for domestic travelers. You clear no border checkpoint on arrival at Antonio B. Won Pat International Airport (GUM).
Guam uses US currency, US federal law, and the US Postal Service. Your US health insurance, driver's license, and cell phone plan work here (confirm with your carrier about roaming in US territories). Military bases cover about 27% of the island: Naval Base Guam and Andersen Air Force Base are major Pacific installations. The Chamorro people are the indigenous population, and Chamorro cultural sites, language, and food are central to the island's identity.
Direct flights from Honolulu to Guam run about 7 hours 30 minutes on United. From the US mainland, connect through Honolulu or fly United's route from select hubs. Guam is also a major hub for flights to and from Asia: Tokyo (3 hours 30 minutes), Seoul (4 hours), and Manila (3 hours 45 minutes) have frequent service. Guam sits in the Chamorro Standard Time zone (ChST), UTC+10, which is 15 hours ahead of US Eastern Time. The island is 30 miles long and 4 to 12 miles wide. Tumon Bay is the main tourist and hotel district. Rental cars are the primary transport: rates start at $30 per day.
IAH has no direct rail link to downtown Houston. The IAH Express bus runs from Houston Amtrak/Greyhound station via Park & Ride to Terminal C (60–90 min, $1.25 with METRO Q card). This is the only transit option; Houston's rail network does not reach the airport.Taxis from downtown Houston cost $50–70 and take 40–60 minutes. Ride-hails (Uber, Lyft) are typically $35–55. IAH sits 23 miles north of downtown on the North Freeway (I-45); traffic is heavy during morning and evening rush. Remote economy parking lots serve all terminals via shuttle.
IAH–GUM Quick Facts
Frequently Asked Questions
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Narita, Taiwan Taoyuan and Tokyo Haneda. Two-stop connections are also available via intermediate hubs.