How long is the flight from Houston to Guam?

Departing from Houston to Guam will take you 17h 30m. There are 7431 mi between Houston and Guam. This flight may include one or multiple stops.

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.

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).

What is the cheapest time of day to fly from HOU to GU?

When flying from Houston to Guam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Houston to Guam that include hotel bookings?

Yes. In addition to deals on Houston to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Houston to Guam?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Guam.

Can I find deals for business class flights from Houston to Guam?

Yes. Cheapflights offers flight deals from Houston to Guam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,542+ Flights from Houston to Guam

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Cheap 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 diciembre 16, 2025.

mié. 12/1710:25 amIAH - GUM

1 stop23h 20mUnited Airlines

mié. 1/77:40 amGUM - IAH

1 stop16h 24mUnited Airlines

Deal found 12/15

$2,950

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 diciembre 16, 2025.

mié. 2/256:38 amIAH - GUM

2 stops24h 27mDelta

dom. 3/84:50 pmGUM - IAH

2 stops46h 09mDelta

Deal found 12/15

$1,833

mié. 2/259:35 amIAH - GUM

1 stop17h 30mUnited Airlines

dom. 3/87:20 pmGUM - IAH

2 stops41h 02mUnited Airlines

Deal found 12/15

$1,941

lun. 2/211:09 amHOU - GUM

2 stops35h 26mDelta

mar. 3/315:00 pmGUM - HOU

2 stops44h 28mDelta

Deal found 12/14

$1,933

vie. 5/16:00 amIAH - GUM

2 stops21h 05mUnited Airlines

jue. 5/147:05 amGUM - IAH

1 stop16h 05mUnited Airlines

Deal found 12/16

$1,968

mar. 2/35:15 amIAH - GUM

2 stops41h 20mDelta

mar. 2/244:50 pmGUM - IAH

2 stops44h 23mDelta

Deal found 12/15

$1,933

dom. 6/78:15 pmIAH - GUM

2 stops30h 50mUnited Airlines

dom. 6/147:30 pmGUM - IAH

2 stops43h 19mUnited Airlines

Deal found 12/14

$2,041

lun. 2/27:20 amIAH - GUM

2 stops23h 45mDelta

mar. 3/315:00 pmGUM - IAH

2 stops43h 11mDelta

Deal found 12/14

$1,933

mar. 1/135:30 amIAH - GUM

2 stops25h 35mDelta

lun. 1/191:00 amGUM - IAH

2 stops38h 56mDelta

Deal found 12/16

$1,983

Last-minute flights from Houston to Guam
Discover last-minute flight deals from Houston to Guam. Data last updated diciembre 16, 2025 and is based on user searches.

mié. 12/1710:25 amIAH - GUM

1 stop23h 20mUnited Airlines

mié. 1/77:40 amGUM - IAH

1 stop16h 24mUnited Airlines

Deal found 12/15

$2,950

mar. 1/135:30 amIAH - GUM

2 stops25h 35mDelta

lun. 1/191:00 amGUM - IAH

2 stops38h 56mDelta

Deal found 12/16

$1,983

mar. 1/136:00 amIAH - GUM

2 stops21h 05mUnited Airlines

mar. 1/207:40 amGUM - IAH

1 stop16h 24mUnited Airlines

Deal found 12/16

$2,478

mié. 1/215:25 amIAH - GUM

2 stops21h 40mUnited Airlines

lun. 1/267:40 amGUM - IAH

2 stops19h 40mUnited Airlines

Deal found 12/15

$2,228

jue. 1/2210:25 amIAH - GUM

1 stop19h 20mUnited Airlines

mar. 6/2312:15 pmGUM - IAH

1 stop17h 45mUnited Airlines

Deal found 12/16

$3,663

sáb. 1/2410:25 amIAH - GUM

1 stop19h 20mUnited Airlines

dom. 6/2112:15 pmGUM - IAH

1 stop17h 45mUnited Airlines

Deal found 12/16

$7,263

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 diciembre 16, 2025.

mar. 4/146:00 amHOU - GUM

2 stops42h 15mDelta

Deal found 12/15

$1,542

mar. 4/145:25 amIAH - GUM

2 stops42h 50mDelta

Deal found 12/16

$1,542

mar. 4/149:45 amIAH - GUM

1 stop17h 20mUnited Airlines

Deal found 12/16

$1,681

Find flight deals from Houston to Guam

Round-trip from	$1,833 (Delta)
One-way from	$1,542 (Delta)

From Houston to Guam

Search Deals

One-way flight from Houston to Guam

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Fly from

Fly to

Route

Depart

Return

Price

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

mié. 2/25

6:38 am-11:05 pm

2 stops24h 27m

Tamuning Guam Intl

dom. 3/8

4:50 pm-10:59 pm

2 stops46h 09m

$1,833

HoustonTamuning

HOU - GUM

HOUGUM

Houston Hobby

lun. 2/2

11:09 am-2:35 pm

2 stops35h 26m

Tamuning Guam Intl

mar. 3/31

5:00 pm-10:28 pm

2 stops44h 28m

$1,933

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

mar. 2/3

5:15 am-2:35 pm

2 stops41h 20m

Tamuning Guam Intl

mar. 2/24

4:50 pm-9:13 pm

2 stops44h 23m

$1,933

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

lun. 2/2

7:20 am-11:05 pm

2 stops23h 45m

Tamuning Guam Intl

mar. 3/31

5:00 pm-9:11 pm

2 stops43h 11m

$1,933

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

mié. 2/25

9:35 am-7:05 pm

1 stop17h 30m

Tamuning Guam Intl

dom. 3/8

7:20 pm-9:22 pm

2 stops41h 02m

$1,941

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

vie. 5/1

6:00 am-6:05 pm

2 stops21h 05m

Tamuning Guam Intl

jue. 5/14

7:05 am-8:10 am

1 stop16h 05m

$1,968

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

mar. 1/13

5:30 am-11:05 pm

2 stops25h 35m

Tamuning Guam Intl

lun. 1/19

1:00 am-11:56 pm

2 stops38h 56m

$1,983

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

dom. 6/7

8:15 pm-6:05 pm

2 stops30h 50m

Tamuning Guam Intl

dom. 6/14

7:30 pm-11:49 pm

2 stops43h 19m

$2,041

HoustonTamuning

HOU - GUM

HOUGUM

Houston Hobby

mar. 4/14

6:00 am-3:15 pm

2 stops42h 15m

$1,542

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

mar. 4/14

7:50 am-3:15 pm

2 stops40h 25m

$1,542

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 11 results

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Guam

Read through reviews of airlines operating flights from Houston to Guam, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,092 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

How long is the flight from Houston to Guam?
Departing from Houston to Guam will take you 17h 30m. There are 7431 mi between Houston and Guam. This flight may include one or multiple stops.
Can I find deals for flights from Houston to Guam that include hotel bookings?
Yes. In addition to deals on Houston to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Houston to Guam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Guam.
Can I find deals for business class flights from Houston to Guam?
Yes. Cheapflights offers flight deals from Houston to Guam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Houston to Guam

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,917	Average$2,198	FlexibilityNo cancel fee	On-time69%

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$1,542+ Cheap flights from Houston to Guam

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Houston to Guam with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Houston to Guam

Cheapest flights from Houston to GuamExplore 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 diciembre 16, 2025.

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 diciembre 16, 2025.

Find flight deals from Houston to Guam

Keep the following information in mind while searching for Houston to Guam flight deals. Data was last updated diciembre 16, 2025.

Round-trip from

One-way from

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

Reviews of airlines servicing Guam

Read through reviews of airlines operating flights from Houston to Guam, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Houston to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Houston to Guam?

Can I find deals for flights from Houston to Guam that include hotel bookings?

How can I find direct flights from Houston to Guam?

Can I find deals for business class flights from Houston to Guam?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Houston to Guam

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Houston to Guam

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Travel Smart

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 diciembre 16, 2025.