In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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

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

What airport do you fly into for flights to Boston from Guam?

Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Guam. Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

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

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

How can I find direct flights from Guam to Boston?

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

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

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

$691+ Cheap Flights from Guam to Boston

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Cheap flight deals from Guam to Boston

One-way

One-way flights from Guam to Boston
Search for one-way flight options from Guam to Boston. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.

Fri 12/114:45 pm -

2 stops46h 14m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/4

$691

Thu 12/102:40 am -

2 stops32h 17m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/5

$1,378

Fri 12/117:45 am -

3 stops31h 14m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/8

$1,600

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TamuningBoston

GUM Tamuning Guam Intl - BOS Boston Logan Intl

GUMBOS

Tamuning Guam Intl

Fri 12/11

4:45 pm-11:59 pm

2 stops46h 14m

Boston Logan Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$691

TamuningBoston

GUM Tamuning Guam Intl - BOS Boston Logan Intl

GUMBOS

Tamuning Guam Intl

Thu 12/10

2:40 am-7:57 pm

2 stops32h 17m

Boston Logan Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$1,378

Quickest round-trip

TamuningBoston

GUM Tamuning Guam Intl - BOS Boston Logan Intl

GUMBOS

Tamuning Guam Intl

Fri 12/11

7:45 am-11:59 pm

3 stops31h 14m

Boston Logan Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$1,600

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Sorted by cheapest first

Best time to book a flight from Guam to Boston

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

GUM-BOS

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 Guam to Boston

GU0-BOS

GUM-BOS

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

Related info for your journey

What airport do you fly into for flights to Boston from Guam?
Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Guam. Logan Intl is conveniently located just 2.6 mi from Boston’s city center.
Can I find deals for flights from Guam to Boston that include hotel bookings?
Yes. In addition to deals on Guam to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Guam to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guam to Boston.
Can I find deals for business class flights from Guam to Boston?
Yes. Cheapflights offers flight deals from Guam to Boston 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

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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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Guam to Boston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Guam to Boston

One-way flights from Guam to Boston
Search for one-way flight options from Guam to Boston. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.

Search for one-way flight options from Guam to Boston. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.

Cheapflights Fare Finder

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

Best time to book a flight from Guam to Boston

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

Cheapflights Insights

Related info for your journey

What airport do you fly into for flights to Boston from Guam?

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

How can I find direct flights from Guam to Boston?

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

Traveling to a place near Boston?

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 Guam to Boston

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

Other flights to Boston

Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 9, 2026.

Complete your trip

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

Search flights from Guam to Boston by cabin class

Find flights from Guam to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Guam and Boston flights

Browse other Guam and Boston flight options. Last updated on November 9, 2026.

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$691+ Cheap flights from Guam to Boston (BOS)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Guam to Boston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Guam to Boston

One-way flights from Guam to BostonSearch for one-way flight options from Guam to Boston. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.

Search for one-way flight options from Guam to Boston. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.

Cheapflights Fare Finder

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

Best time to book a flight from Guam to Boston

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

Cheapflights Insights

Related info for your journey

What airport do you fly into for flights to Boston from Guam?

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

How can I find direct flights from Guam to Boston?

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

Traveling to a place near Boston?

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 Guam to Boston

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

Other flights to Boston

Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 9, 2026.

Complete your trip

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

Search flights from Guam to Boston by cabin class

Find flights from Guam to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Guam and Boston flights

Browse other Guam and Boston flight options. Last updated on November 9, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

100% Free

Book with Flexibility

Travel Smart

One-way flights from Guam to Boston
Search for one-way flight options from Guam to Boston. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.