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

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

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

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

How can I find direct flights from Puerto Rico to Guam?

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

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

Yes. Cheapflights offers flight deals from Puerto Rico 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.

$2,069+ Flights from Puerto Rico to Guam

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Cheap flight deals from Puerto Rico to Guam

Round-trip from	$1,887 (United Airlines)

From Puerto Rico to Guam

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Find flight deals from Puerto Rico to Guam

Cheapest flights from Puerto Rico to Guam
Explore the most affordable flight options available from Puerto Rico to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 2, 2025.

sáb. 11/152:25 pmSJU - GUM

2 stops62h 25mUnited Airlines

dom. 11/307:05 pmGUM - SJU

2 stops43h 31mUnited Airlines

Deal found 7/2

$1,887

mar. 10/215:30 pmSJU - GUM

2 stops31h 45mDelta

vie. 10/241:55 amGUM - SJU

2 stops49h 28mDelta

Deal found 6/30

$2,250

Best flights from Puerto Rico to Guam
Discover carefully curated flight deals from Puerto Rico to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 2, 2025.

sáb. 11/152:25 pmSJU - GUM

2 stops62h 25mUnited Airlines

dom. 11/307:05 pmGUM - SJU

2 stops43h 31mUnited Airlines

Deal found 7/2

$1,887

mar. 10/215:30 pmSJU - GUM

2 stops40h 40mDelta

vie. 10/241:55 amGUM - SJU

2 stops58h 26mDelta

Deal found 7/1

$2,250

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San JuanTamuning

SJU - GUM

SJUGUM

San Juan Luis Munoz Marin Intl

sáb. 11/15

2:25 pm-6:50 pm

2 stops62h 25m

Tamuning Guam Intl

dom. 11/30

7:05 pm-12:36 am

2 stops43h 31m

$1,887

San JuanTamuning

SJU - GUM

SJUGUM

San Juan Luis Munoz Marin Intl

mar. 10/21

5:30 pm-3:15 pm

2 stops31h 45m

Tamuning Guam Intl

vie. 10/24

1:55 am-1:23 pm

2 stops49h 28m

$2,250

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Puerto Rico to Guam

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

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

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

Reviews of airlines servicing Guam

Get a feel of what it's like to fly with Delta and United Airlines from Puerto Rico to Guam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.

Delta

8.0

Very good

7,975 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.

Related info for your journey

Can I find deals for flights from Puerto Rico to Guam that include hotel bookings?
Yes. In addition to deals on Puerto Rico to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Puerto Rico to Guam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to Guam.
Can I find deals for business class flights from Puerto Rico to Guam?
Yes. Cheapflights offers flight deals from Puerto Rico 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 Puerto Rico to Guam?
Currently, January is the cheapest month in which you can book a flight from Puerto Rico to Guam (average of $1,977). Flying from Puerto Rico 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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$1,887+ Cheap flights from Puerto Rico 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Puerto Rico 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 Puerto Rico to Guam

Keep the following information in mind while searching for Puerto Rico to Guam flight deals. Data was last updated julio 2, 2025.

Round-trip from

Find flight deals from Puerto Rico to Guam

Cheapest flights from Puerto Rico to GuamExplore the most affordable flight options available from Puerto Rico to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 2, 2025.

Explore the most affordable flight options available from Puerto Rico to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 2, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Puerto Rico to Guam

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

Cheapflights Insights

Everything you need to know about your flight from Puerto Rico to Guam

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

Find hourly flight availability from Puerto Rico to Guam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 2, 2025.

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 julio 2, 2025.

Get a feel of what it's like to fly with Delta and United Airlines from Puerto Rico to Guam by reading reviews from past customers. Users have also rated airlines 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 Puerto Rico 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 Puerto Rico to Guam that include hotel bookings?

How can I find direct flights from Puerto Rico to Guam?

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

What is the cheapest month to book a flight from Puerto Rico 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.

Complete your trip

Complete your trip to Guam by adding a car rental and/or hotel reservation to your travel itinerary.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Puerto Rico to Guam
Explore the most affordable flight options available from Puerto Rico to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 2, 2025.