HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Guam

$2,221+ Cheap flights from Boston (BOS) 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GUM
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
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

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 May 6, 2026.

This United Airlines deal was found by Cheapflights users on 5/6. 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 7/82:15 pm
BOS
-
GUM
2 stops48h 05m
United Airlines
Wed 7/297:05 am
GUM
-
BOS
2 stops27h 05m
United Airlines
Deal found 5/6$2,221
This United Airlines deal was found by Cheapflights users on 5/4. 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 11/96:00 am
BOS
-
GUM
2 stops31h 40m
United Airlines
Thu 11/127:25 am
GUM
-
BOS
3 stops29h 17m
United Airlines
Deal found 5/4$2,252
This United Airlines deal was found by Cheapflights users on 5/1. 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 10/185:45 pm
BOS
-
GUM
2 stops44h 35m
United Airlines
Thu 10/227:10 am
GUM
-
BOS
2 stops24h 18m
United Airlines
Deal found 5/1$2,261
This United Airlines deal was found by Cheapflights users on 5/4. 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 6/218:20 pm
BOS
-
GUM
2 stops31h 45m
United Airlines
Mon 7/67:05 am
GUM
-
BOS
2 stops39h 35m
United Airlines
Deal found 5/4$2,363
This United Airlines deal was found by Cheapflights users on 5/2. 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 5/206:20 pm
BOS
-
GUM
2 stops33h 45m
United Airlines
Wed 5/277:30 pm
GUM
-
BOS
2 stops40h 23m
United Airlines
Deal found 5/2$2,452
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sat 6/206:26 pm
BOS
-
GUM
2 stops33h 39m
United Airlines
Tue 6/307:05 am
GUM
-
BOS
2 stops30h 39m
United Airlines
Deal found 5/6$2,869
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sat 6/206:26 pm
BOS
-
GUM
2 stops33h 39m
United Airlines
Sat 6/277:30 pm
GUM
-
BOS
2 stops42h 29m
United Airlines
Deal found 5/6$2,942

Find flight deals from Boston to Guam

Keep the following information in mind while searching for Boston to Guam flight deals. Data was last updated May 6, 2026.

Round-trip from

$2,221
(United Airlines)

Popular in

May

Cheapest in

October

Average price

$3,304
From Boston Logan Intl to Guam
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($380 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($82 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 6, 2026.
Use the filters below to find and compare flights from Boston to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Wed 7/8

2:15 pm-4:20 am

2 stops48h 05m

Tamuning Guam Intl

Wed 7/29

7:05 am-8:10 pm

2 stops27h 05m

$2,221

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sun 10/18

5:45 pm-4:20 am

2 stops44h 35m

Tamuning Guam Intl

Thu 10/22

7:10 am-5:28 pm

2 stops24h 18m

$2,261

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sun 6/21

8:20 pm-6:05 pm

2 stops31h 45m

Tamuning Guam Intl

Mon 7/6

7:05 am-8:40 am

2 stops39h 35m

$2,363

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Wed 5/20

6:20 pm-6:05 pm

2 stops33h 45m

Tamuning Guam Intl

Wed 5/27

7:30 pm-9:53 pm

2 stops40h 23m

$2,452
Quickest round-trip

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sat 6/20

6:26 pm-6:05 pm

2 stops33h 39m

Tamuning Guam Intl

Tue 6/30

7:05 am-11:44 pm

2 stops30h 39m

$2,869

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sat 6/20

6:26 pm-6:05 pm

2 stops33h 39m

Tamuning Guam Intl

Sat 6/27

7:30 pm-11:59 pm

2 stops42h 29m

$2,942

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Sorted by cheapest first

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

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 May 6, 2026.
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
9,684 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,684 reviews
United Airlines
7.4
Good
9,684 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 48h 05m. United Airlines provides one of the quickest options available for as low as $2,221. 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.

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.

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 May 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,017Average$2,431FlexibilityNo 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.