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 SJC to GU?

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

What airport do you fly from for flights from San Jose to Guam?

Located just 2.9 mi from the city center, San Jose (SJC) is the airport most travelers will use when flying to Guam from San Jose.

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

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

How can I find direct flights from San Jose to Guam?

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

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

Yes. Cheapflights offers flight deals from San Jose 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.

$2,157+ Flights from San Jose to Guam

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Cheap flight deals from San Jose to Guam

Round-trip from	$1,906 (United Airlines)

From San Jose to Guam

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Find flight deals from San Jose to Guam

Cheapest flights from San Jose to Guam
Explore the most affordable flight options available from San Jose to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Sun 8/313:45 pmSJC - GUM

2 stops57h 20mUnited Airlines

Tue 9/307:10 amGUM - SJC

2 stops19h 42mUnited Airlines

Deal found 7/2

$1,906

Sat 11/155:45 amSJC - GUM

2 stops38h 50mDelta

Wed 11/194:50 pmGUM - SJC

2 stops42h 58mDelta

Deal found 7/2

$2,153

Best flights from San Jose to Guam
Discover carefully curated flight deals from San Jose to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sun 8/313:45 pmSJC - GUM

2 stops57h 20mUnited Airlines

Tue 9/307:10 amGUM - SJC

2 stops19h 42mUnited Airlines

Deal found 7/2

$1,906

Sat 11/155:45 amSJC - GUM

2 stops38h 50mDelta

Wed 11/194:50 pmGUM - SJC

2 stops42h 58mDelta

Deal found 7/2

$2,153

Last-minute flights from San Jose to Guam
Discover last-minute flight deals from San Jose to Guam. Data last updated July 3, 2025 and is based on user searches.

Tue 7/87:00 amSJC - GUM

2 stops21h 15mUnited Airlines

Fri 7/117:15 amGUM - SJC

2 stops30h 47mUnited Airlines

Deal found 7/2

$2,905

Sun 8/313:45 pmSJC - GUM

2 stops57h 20mUnited Airlines

Tue 9/307:10 amGUM - SJC

2 stops19h 42mUnited Airlines

Deal found 7/2

$1,906

Sun 8/315:01 pmSJC - GUM

2 stops38h 09mDelta

Mon 9/291:55 amGUM - SJC

2 stops37h 16mDelta

Deal found 7/2

$2,421

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San JoseTamuning

SJC - GUM

SJCGUM

San Jose

Sun 8/31

3:45 pm-6:05 pm

2 stops57h 20m

Tamuning Guam Intl

Tue 9/30

7:10 am-9:52 am

2 stops19h 42m

$1,906

San JoseTamuning

SJC - GUM

SJCGUM

San Jose

Sat 11/15

5:45 am-2:35 pm

2 stops38h 50m

Tamuning Guam Intl

Wed 11/19

4:50 pm-5:48 pm

2 stops42h 58m

$2,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from San Jose to Guam

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

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

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

Reviews of airlines servicing Guam

Read reviews from past customers who have flown Delta and United Airlines from San Jose to Guam. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,982 reviews

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

7,982 reviews

Delta

8.0

Very good

7,982 reviews

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

8,861 reviews

Delta

8.0

Very good

7,982 reviews

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

What airport do you fly from for flights from San Jose to Guam?
Located just 2.9 mi from the city center, San Jose (SJC) is the airport most travelers will use when flying to Guam from San Jose.
Can I find deals for flights from San Jose to Guam that include hotel bookings?
Yes. In addition to deals on San Jose to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Jose to Guam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Guam.
Can I find deals for business class flights from San Jose to Guam?
Yes. Cheapflights offers flight deals from San Jose 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 San Jose to Guam?
Currently, January is the cheapest month in which you can book a flight from San Jose to Guam (average of $1,977). Flying from San Jose 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

Browse thousands of different options on Cheapflights for your next trip

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$1,906+ Cheap flights from San Jose (SJC) 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Jose 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 San Jose to Guam

Keep the following information in mind while searching for San Jose to Guam flight deals. Data was last updated July 3, 2025.

Round-trip from

Find flight deals from San Jose to Guam

Cheapest flights from San Jose to GuamExplore the most affordable flight options available from San Jose to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from San Jose to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from San Jose to Guam

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

Cheapflights Insights

Everything you need to know about your flight from San Jose to Guam

What is the cheapest month to book a flight from San Jose 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 3, 2025.

Read reviews from past customers who have flown Delta and United Airlines from San Jose to Guam. Users can see the overall rating for each airline as well as how each is rated 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 San Jose to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from San Jose to Guam?

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

How can I find direct flights from San Jose to Guam?

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

What is the cheapest month to book a flight from San Jose 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 San Jose to Guam

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

100% Free

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Travel Smart

Cheapest flights from San Jose to Guam
Explore the most affordable flight options available from San Jose to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.