$1,542 Cheap Flights from Houston (HOU) to Guam (GUM)

View $1,542 flight on Wed, Nov 5, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Barrigada - A.B. Won Pat International Airport (GUM)

Cheap Flights from Houston to Guam (HOU-GUM)

Prices were available within the past 7 days and start at $1,542 for one-way flights and $1,834 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Nov 17 - Mon, Nov 24
HOU
Houston
GUM
Guam
$1,834 Roundtrip, found 8 hours ago
$1,834
Roundtrip
found 8 hours ago
Select Delta flight, departing Mon, Nov 17 from Houston to Guam, returning Mon, Nov 24, priced at $1,834 found 8 hours ago
Delta
Mon, Nov 24 - Tue, Dec 9
HOU
Houston
GUM
Guam
$1,883 Roundtrip, found 5 days ago
$1,883
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Nov 24 from Houston to Guam, returning Tue, Dec 9, priced at $1,883 found 5 days ago

Alternative airports near Barrigada

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to A.B. Won Pat Intl. GUM. Cheapest option available. Flights from $2,083
GUM
A.B. Won Pat Intl.
Cheapest
Flights from $2,083
Flights from Houston (HOU) to Guam (GUM)
Origin airport
William P. Hobby
Destination airport
A.B. Won Pat Intl.
Roundtrip price
$1,834
Distance
7449 mi

Houston to Guam Flights

The cheapest times to fly from Houston to Guam

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Guam are during the month of November. You can find some of the cheapest flights from Houston to Guam with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Guam

Sunday is one of the best days to book for cheap flights from Houston to Guam: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Guam

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Guam in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,542 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Guam flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Guam airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to A.B. Won Pat Intl. Airport (GUM) cost?
Grab a cheap one-way flight from $1,542 or cheap return flight from $1,834 from William P. Hobby Airport (HOU) to A.B. Won Pat Intl. Airport (GUM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to A.B. Won Pat Intl. Airport (GUM)?
The cheapest month to fly from HOU to GUM is November, when there's less demand. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to A.B. Won Pat Intl. Airport (GUM)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest HOU to GUM flight.
How many flights per day from William P. Hobby Airport (HOU) to A.B. Won Pat Intl. Airport (GUM)?
You'll need to hop on a flight with a layover if you're traveling from William P. Hobby Airport (HOU) to A.B. Won Pat Intl. Airport (GUM). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from HOU to GUM?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to A.B. Won Pat Intl. Airport (GUM)?
Select a flight from William P. Hobby Airport (HOU) to A.B. Won Pat Intl. Airport (GUM) that leaves before 3 PM to reduce the risk of cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to A.B. Won Pat Intl. Airport (GUM) last-minute?
Booking your ticket from HOU to GUM shortly before your journey is generally more expensive. However, if there's some wiggle room with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a HOU to GUM flight and hotel package?
Compared with arranging hotels and flights separately, booking a HOU to GUM flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the hassle out of planning your trip. Simply pick your flights and select from our wide range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to A.B. Won Pat Intl. Airport (GUM)?
If you booked your HOU to GUM flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.