HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Guam

$845+ Cheap flights from Boston (BOS) to Guam

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GUM
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Guam with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boston to Guam

Keep the following information in mind while searching for Boston to Guam flight deals. Data was last updated August 18, 2025.

Round-trip from

$1,917
(United Airlines)

One-way from

$845
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$2,342
From Boston Logan Intl to Guam
Search Deals
One-way flight from Boston Logan Intl to Guam
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Boston to Guam

Cheapest flights from Boston to Guam
Explore the most affordable flight options available from Boston to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 10/226:00 amBOS - GUM
2 stops22h 05mUnited Airlines
Wed 10/297:25 amGUM - BOS
2 stops25h 59mUnited Airlines
Deal found 8/18$1,917
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 12/255:20 amBOS - GUM
2 stops22h 40mUnited Airlines
Thu 1/87:25 amGUM - BOS
2 stops30h 55mUnited Airlines
Deal found 8/18$2,017
This United Airlines deal was found by Cheapflights users on 8/17. 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 12/75:58 pmBOS - GUM
2 stops33h 52mUnited Airlines
Thu 12/117:25 amGUM - BOS
2 stops24h 29mUnited Airlines
Deal found 8/17$2,227
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Mon 12/227:44 pmBOS - GUM
3 stops32h 16mUnited Airlines
Sat 1/37:25 amGUM - BOS
2 stops32h 28mUnited Airlines
Deal found 8/16$2,587
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 8/206:10 amBOS - GUM
2 stops21h 55mUnited Airlines
Fri 8/227:15 amGUM - BOS
3 stops36h 44mUnited Airlines
Deal found 8/16$5,909

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 August 18, 2025.
Use the filters below to find and compare flights from Boston to Guam that are best for you.

Fly from

Boston

Fly to

Guam

Route

Depart

Return

Price

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Wed 10/22

6:00 am-6:05 pm

2 stops22h 05m

Tamuning Guam Intl

Wed 10/29

7:25 am-7:24 pm

2 stops25h 59m

$1,917

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 12/25

5:20 am-7:00 pm

2 stops22h 40m

Tamuning Guam Intl

Thu 1/8

7:25 am-9:59 pm

2 stops29h 34m

$2,017

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sun 12/7

4:40 pm-6:50 pm

3 stops35h 10m

Tamuning Guam Intl

Thu 12/11

7:25 am-11:44 pm

2 stops31h 19m

$2,227

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Wed 10/22

9:20 am-11:10 pm

2 stops47h 50m

$845

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Mon 12/22

7:44 pm-7:00 pm

3 stops32h 16m

$1,721

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Wed 10/22

5:24 pm-6:05 pm

3 stops34h 41m

$1,721

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Boston to Guam

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

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

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

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

Find hourly flight availability from Boston 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 August 18, 2025.

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

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 August 18, 2025.
Read reviews from past customers who have flown United Airlines from Boston 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.
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Boston 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 Boston to Guam?

    For a flight from Boston to Guam, you will be flying from Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city.

  • How long is the flight from Boston to Guam?

    A quick flight from Boston to Guam can take about 22h 05m. United Airlines provides one of the quickest options available for as low as $1,917. Boston and Guam are separated by a distance of 7953 mi.

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

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

  • How can I find direct flights from Boston to Guam?

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Guam?

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Guam

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Auckland flights
Boston to Melbourne flights
Boston to Sydney flights
Boston to Avalon flights
Boston to Brisbane flights
Boston to Christchurch flights
Boston to Papeete flights
Boston to Nadi flights
Boston to Vaitape flights
Boston to Perth flights
Boston to Adelaide flights
Hartford to Auckland flights
Boston to Tamuning flights
Boston to Hobart flights
Hartford to Sydney flights
Hartford to Nadi flights
Boston to Apia flights
Boston to Cairns flights
Boston to Queenstown flights
Boston to Suva flights
Boston to Wellington flights
Albany to Brisbane flights
Boston to Rarotonga flights
Boston to Launceston flights
Hartford to Avalon flights
Hartford to Brisbane flights
Boston to Blenheim flights
Boston to Labasa flights
Boston to Tontouta flights
Boston to Port Moresby flights
Hartford to Melbourne flights
Hartford to Tamuning flights
Boston to Savusavu flights
Boston to Townsville flights
Boston to Tauranga flights
Boston to Nuku‘alofa flights
Boston to Rotorua flights

Top airline flying from Boston to Guam

Discover the top airline that operate flights from Boston 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,917Average$2,317FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.