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

Currently, January is the cheapest month in which you can book a flight from Galveston to Guam (average of $1,977). Flying from Galveston 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.

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 month to fly from Galveston to Guam?

The best pricing can be found in the month of March. Prices to Guam from Galveston average $2,340. You can even find prices in March for less than $2,340, as users have found deals to Guam from as low as $1,623. The month of December appears to be one of the more expensive times to travel to Guam from Galveston. Flying in the targeted month can save you up to 31%.

What is the cheapest time of day to fly from G4L to GU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Galveston to Guam as you normally would.

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

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

How can I find direct flights from Galveston to Guam?

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

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

Yes. Cheapflights offers flight deals from Galveston 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.

$2,033+ Flights from Galveston to Guam

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Cheap flight deals from Galveston to Guam

Round-trip from	$2,033 (Delta)
Popular in	December
Cheapest in	March
Average price	$2,487

From Galveston to Guam

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($183 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($73 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Galveston to Guam

Cheapest flights from Galveston to Guam
Explore the most affordable flight options available from Galveston to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Tue 8/196:34 pmHOU - GUM

2 stops38h 36mDelta

Tue 8/261:55 amGUM - HOU

2 stops35h 36mDelta

Deal found 7/29

$2,033

Best flights from Galveston to Guam
Discover carefully curated flight deals from Galveston to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Tue 8/196:34 pmHOU - GUM

2 stops38h 36mDelta

Tue 8/261:55 amGUM - HOU

2 stops35h 36mDelta

Deal found 7/29

$2,033

Last-minute flights from Galveston to Guam
Discover last-minute flight deals from Galveston to Guam. Data last updated July 31, 2025 and is based on user searches.

Thu 8/77:10 pmHOU - GUM

2 stops38h 00mDelta

Thu 8/145:00 pmGUM - HOU

2 stops55h 26mDelta

Deal found 7/31

$2,707

Tue 8/196:34 pmHOU - GUM

2 stops38h 36mDelta

Tue 8/261:55 amGUM - HOU

2 stops35h 36mDelta

Deal found 7/29

$2,033

Fly from

Fly to

Route

Depart

Return

Price

HoustonTamuning

HOU - GUM

HOUGUM

Houston Hobby

Tue 8/19

6:34 pm-12:10 am

2 stops38h 36m

Tamuning Guam Intl

Tue 8/26

1:55 am-10:31 pm

2 stops35h 36m

$2,033

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Galveston to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Galveston 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 Galveston to Guam

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

Reviews of airlines servicing Guam

Peruse reviews from past customers who have flown with Delta from Galveston to Guam to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 reviews

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!

Delta

8.0

Very good

7,981 reviews

Delta

8.0

Very good

7,981 reviews

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!

Related info for your journey

Can I find deals for flights from Galveston to Guam that include hotel bookings?
Yes. In addition to deals on Galveston to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Galveston to Guam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Galveston to Guam.
Can I find deals for business class flights from Galveston to Guam?
Yes. Cheapflights offers flight deals from Galveston 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 Galveston to Guam?
Currently, January is the cheapest month in which you can book a flight from Galveston to Guam (average of $1,977). Flying from Galveston 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 Galveston to Guam

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,916	Average$2,206	FlexibilityNo cancel fee	On-time69%

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$2,033+ Cheap flights from Galveston, TX 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Galveston 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 Galveston to Guam

Keep the following information in mind while searching for Galveston to Guam flight deals. Data was last updated July 31, 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Galveston to Guam

Cheapest flights from Galveston to GuamExplore the most affordable flight options available from Galveston to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Galveston to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Galveston to Guam

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

Cheapflights Insights

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

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 July 31, 2025.

Peruse reviews from past customers who have flown with Delta from Galveston to Guam to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Galveston 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 Galveston to Guam that include hotel bookings?

How can I find direct flights from Galveston to Guam?

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

What is the cheapest month to book a flight from Galveston 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 Galveston to Guam

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

Top airline flying from Galveston to Guam

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Galveston to Guam
Explore the most affordable flight options available from Galveston to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.