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$1,960+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GUM
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/24. 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 1/87:40 amGUM - BOS
2 stops24h 33mUnited Airlines
Deal found 11/24$2,358
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/106:13 pmBOS - GUM
2 stops33h 37mUnited Airlines
Mon 12/227:40 amGUM - BOS
2 stops24h 12mUnited Airlines
Deal found 11/24$2,478
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/119:30 amBOS - GUM
2 stops27h 50mUnited Airlines
Sun 12/217:20 pmGUM - BOS
2 stops38h 28mUnited Airlines
Deal found 11/24$2,518
This United Airlines deal was found by Cheapflights users on 11/25. 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.
Fri 12/126:00 amBOS - GUM
2 stops31h 20mUnited Airlines
Tue 12/237:40 amGUM - BOS
3 stops26h 08mUnited Airlines
Deal found 11/25$2,551
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/149:30 amBOS - GUM
2 stops27h 50mUnited Airlines
Sun 12/217:20 pmGUM - BOS
2 stops38h 28mUnited Airlines
Deal found 11/24$2,568
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/117:15 amBOS - GUM
2 stops23h 30mUnited Airlines
Sat 12/201:30 pmGUM - BOS
2 stops22h 12mUnited Airlines
Deal found 11/24$2,573
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/217:15 amBOS - GUM
2 stops44h 45mUnited Airlines
Thu 1/17:40 amGUM - BOS
3 stops26h 08mUnited Airlines
Deal found 11/24$2,577
This United Airlines deal was found by Cheapflights users on 11/25. 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.
Fri 12/129:40 amBOS - GUM
2 stops27h 40mUnited Airlines
Fri 12/197:40 amGUM - BOS
2 stops28h 02mUnited Airlines
Deal found 11/25$2,601

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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,960
(United Airlines)

Popular in

May

Cheapest in

February
Provider with most accurate pricing for Boston Logan Intl-Tamuning Guam Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Tamuning Guam Intl flights.
Search Deals
From Boston Logan Intl to Guam
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($73 potential savings vs. average RT price).
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 November 26, 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

Sat 4/4

4:50 pm-6:05 pm

2 stops59h 15m

Tamuning Guam Intl

Tue 4/14

7:05 am-5:06 pm

2 stops24h 01m

$1,960

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sun 1/11

7:15 am-2:35 pm

2 stops40h 20m

Tamuning Guam Intl

Sat 1/17

1:00 am-6:05 am

2 stops44h 05m

$2,258

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sun 1/11

6:17 pm-7:05 pm

2 stops33h 48m

Tamuning Guam Intl

Sun 1/18

7:20 pm-9:38 pm

2 stops41h 18m

$2,316

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

7:40 am-5:13 pm

2 stops24h 33m

$2,358

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Wed 12/10

6:13 pm-6:50 pm

2 stops33h 37m

Tamuning Guam Intl

Mon 12/22

7:40 am-6:48 pm

3 stops26h 08m

$2,478

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 12/11

9:30 am-4:20 am

2 stops27h 50m

Tamuning Guam Intl

Sun 12/21

7:20 pm-6:48 pm

2 stops38h 28m

$2,518

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

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 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 November 26, 2025.

It’s optimal to fly from Boston to Guam in the morning. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.

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 November 26, 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
9,046 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,046 reviews
United Airlines
7.4
Good
9,046 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 40h 20m. United Airlines provides one of the quickest options available for as low as $2,258. Boston and Guam are separated by a distance of 7953 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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

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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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,917Average$2,357FlexibilityNo cancel feeOn-time69%

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