$3,221+ Flights from Houston to Guam

One-way flight from Houston to Guam

Highest demand for flights based on searches. 1% potential increase in price ($33 potential increase over avg. RT price).

Cheapest flight prices on average. 1% potential price decrease ($36 potential savings vs. average RT price).

Average for round-trip flights in June 2025

Find flight deals from Houston to Guam

Cheapest flights from Houston to Guam
Explore the most affordable flight options available from Houston to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Wed 11/510:05 amHOU - GUM

2 stops36h 30mDelta

Tue 11/254:50 pmGUM - HOU

2 stops44h 50mDelta

Deal found 6/10

$1,833

Tue 11/49:40 amIAH - GUM

2 stops36h 55mDelta

Tue 11/254:50 pmGUM - IAH

2 stops47h 06mDelta

Deal found 6/12

$1,833

Tue 11/47:50 pmIAH - GUM

2 stops31h 00mUnited Airlines

Tue 11/257:25 amGUM - IAH

1 stop16h 35mUnited Airlines

Deal found 6/10

$1,917

Best flights from Houston to Guam
Discover carefully curated flight deals from Houston to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Wed 11/510:05 amHOU - GUM

2 stops36h 30mDelta

Tue 11/254:50 pmGUM - HOU

2 stops44h 50mDelta

Deal found 6/10

$1,833

Tue 11/49:35 pmIAH - GUM

2 stops29h 15mUnited Airlines

Tue 11/257:25 amGUM - IAH

1 stop16h 35mUnited Airlines

Deal found 6/12

$1,917

Tue 11/49:40 amIAH - GUM

2 stops36h 55mDelta

Tue 11/254:50 pmGUM - IAH

2 stops47h 06mDelta

Deal found 6/12

$1,833

Last-minute flights from Houston to Guam
Discover last-minute flight deals from Houston to Guam. Data last updated June 12, 2025 and is based on user searches.

Tue 6/179:45 amIAH - GUM

1 stop17h 20mUnited Airlines

Tue 6/247:15 amGUM - IAH

2 stops26h 25mUnited Airlines

Deal found 6/10

$2,927

Wed 6/186:22 amIAH - GUM

2 stops26h 48mDelta

Wed 6/255:00 pmGUM - IAH

2 stops45h 27mDelta

Deal found 6/11

$2,595

Wed 6/185:00 pmHOU - GUM

2 stops40h 10mDelta

Tue 6/241:55 amGUM - HOU

2 stops46h 20mDelta

Deal found 6/11

$13,629

Wed 6/186:22 amIAH - GUM

2 stops41h 53mDelta

Tue 6/241:55 amGUM - IAH

2 stops36h 32mDelta

Deal found 6/11

$2,595

Tue 7/89:45 amIAH - GUM

1 stop17h 20mUnited Airlines

Tue 7/157:15 amGUM - IAH

2 stops27h 52mUnited Airlines

Deal found 6/10

$2,527

One-way flights from Houston to Guam
Search for one-way flight options from Houston to Guam. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Sun 7/131:07 pmIAH - GUM

2 stops35h 08mDelta

Deal found 6/11

$1,543

Sun 7/139:45 amIAH - GUM

1 stop17h 20mUnited Airlines

Deal found 6/11

$1,731

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonTamuning

HOU - GUM

HOUGUM

Houston Hobby

Wed 11/5

10:05 am-2:35 pm

2 stops36h 30m

Tamuning Guam Intl

Tue 11/25

4:50 pm-9:40 pm

2 stops44h 50m

$1,833

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Tue 11/4

9:40 am-2:35 pm

2 stops36h 55m

Tamuning Guam Intl

Tue 11/25

4:50 pm-11:56 pm

2 stops47h 06m

$1,833

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Tue 11/4

9:35 pm-6:50 pm

2 stops29h 15m

Tamuning Guam Intl

Tue 11/25

7:25 am-8:00 am

1 stop16h 35m

$1,917

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Sun 7/13

1:07 pm-3:15 pm

2 stops35h 08m

$1,543

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Sun 7/13

9:45 am-6:05 pm

1 stop17h 20m

$1,731

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Houston to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Houston with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to Guam

What is the cheapest month to book a flight from Houston to Guam?

Currently, January is the cheapest month in which you can book a flight from Houston to Guam (average of $1,977). Flying from Houston to Guam in May is currently the most expensive (average of $2,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Guam by month

In terms of precipitation, rainfall in Guam ranges from 2.6 - 14.4 inches per month. August is typically the wettest month, when rainfall can reach 14.4 in. March is typically the driest time to visit Guam when rainfall is around 2.6 in.

Temperature in Guam by month

If weather is an important factor for your trip to Guam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Guam

Read through reviews of airlines operating flights from Houston to Guam, such as Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

8.0

Very good

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

8.0

Very good