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$2,048+ Cheap flights from Houston to Guam

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — GUM
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Houston to Guam

Keep the following information in mind while searching for Houston to Guam flight deals. Data was last updated February 20, 2025.

Round-trip from

$2,048
(United Airlines)

Popular in

February

Cheapest in

August

Average price

$2,427
From Houston to Guam
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/209:50 amIAH - GUM
1 stop17h 25mUnited Airlines
Sat 4/266:55 pmGUM - IAH
1 stop34h 40mUnited Airlines
Deal found 2/19$2,048
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/26:19 amIAH - GUM
2 stops40h 16mDelta
Wed 3/54:50 pmGUM - IAH
2 stops46h 18mDelta
Deal found 2/19$2,494
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/86:45 pmHOU - GUM
2 stops29h 30mDelta
Tue 4/155:00 pmGUM - HOU
2 stops55h 45mDelta
Deal found 2/19$2,969

Find flights from Houston to Guam within your budget

Customize your flight search to find flights from Houston to Guam that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Houston

Fly to

Guam

Route

Depart

Return

Price

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Sun 4/20

9:50 am-6:15 pm

1 stop17h 25m

Tamuning Guam Intl

Sat 4/26

6:55 pm-2:35 pm

1 stop34h 40m

$2,048

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Sun 3/2

6:19 am-2:35 pm

2 stops40h 16m

Tamuning Guam Intl

Wed 3/5

4:50 pm-11:08 pm

2 stops46h 18m

$2,494

HoustonTamuning

HOU - GUM

HOUGUM

Houston Hobby

Tue 4/8

6:45 pm-3:15 pm

2 stops29h 30m

Tamuning Guam Intl

Tue 4/15

5:00 pm-9:45 am

2 stops55h 45m

$2,969

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

Travel insights for flights from Houston to Guam

Get recent, data-driven insights about flights from Houston to Guam including ideal travel times, pricing trends, and more.

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

Plan your trip to Guam by taking into account the average rainfall totals 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

Plan your trip to Guam by taking into account the average temperature totals 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

Get insights into the airlines that provide service to Guam. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Guam. Reviews last updated February 20, 2025.
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.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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.

  • 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.

See more FAQs

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Top airline flying from Houston to Guam

Discover the top airline that operate flights from Houston to Guam. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,764Average$2,044FlexibilityNo cancel feeOn-time69%
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