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$1,771+ 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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GUM
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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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 December 3, 2025.

This United Airlines deal was found by Cheapflights users on 12/1. 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.
Thu 12/255:20 amBOS - GUM
2 stops22h 40mUnited Airlines
Thu 1/87:40 amGUM - BOS
2 stops27h 25mUnited Airlines
Deal found 12/1$2,528
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Tue 12/307:44 pmBOS - GUM
2 stops41h 36mUnited Airlines
Sun 1/47:40 amGUM - BOS
2 stops38h 51mUnited Airlines
Deal found 12/1$2,826
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/215:57 pmBOS - GUM
2 stops34h 03mUnited Airlines
Thu 1/17:40 amGUM - BOS
3 stops26h 08mUnited Airlines
Deal found 12/1$2,913
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Mon 12/226:14 pmBOS - GUM
2 stops33h 46mUnited Airlines
Sat 1/37:40 amGUM - BOS
3 stops30h 08mUnited Airlines
Deal found 12/1$3,025
This Delta deal was found by Cheapflights users on 12/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:46 pmBOS - GUM
2 stops37h 19mDelta
Wed 12/311:00 amGUM - BOS
2 stops31h 56mDelta
Deal found 12/1$3,455
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/146:13 pmBOS - GUM
2 stops33h 37mUnited Airlines
Sat 12/207:40 amGUM - BOS
2 stops24h 12mUnited Airlines
Deal found 12/1$3,978
This Delta deal was found by Cheapflights users on 12/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:15 pmBOS - GUM
2 stops34h 50mDelta
Fri 12/191:00 amGUM - BOS
2 stops25h 59mDelta
Deal found 12/1$15,123

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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,941
(United Airlines)

One-way from

$1,771
(United Airlines)

Popular in

May

Cheapest in

February

Average price

$2,344
Provider with most accurate pricing for Boston Logan Intl-Tamuning Guam Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Tamuning Guam Intl flights.
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From Boston Logan Intl to Guam
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One-way flight from Boston Logan Intl to Guam
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Highest demand for flights based on searches. 4% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($73 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 3, 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

Sun 2/1

5:57 pm-7:05 pm

2 stops34h 08m

Tamuning Guam Intl

Sat 2/14

7:40 am-6:13 pm

2 stops25h 33m

$1,968

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sun 2/1

7:07 pm-7:05 pm

2 stops32h 58m

Tamuning Guam Intl

Sun 2/15

7:40 am-11:57 pm

3 stops31h 17m

$1,968

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Tue 1/20

5:35 am-11:05 pm

2 stops26h 30m

Tamuning Guam Intl

Fri 1/30

1:00 am-12:19 pm

2 stops26h 19m

$2,148

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sat 1/31

5:50 am-2:35 pm

2 stops41h 45m

Tamuning Guam Intl

Fri 2/13

1:00 am-1:09 am

2 stops39h 09m

$2,198

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Fri 1/23

6:35 pm-2:35 pm

2 stops29h 00m

Tamuning Guam Intl

Sat 2/7

1:00 am-11:56 pm

2 stops37h 56m

$2,198

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Tue 1/6

7:15 am-11:05 pm

2 stops24h 50m

Tamuning Guam Intl

Thu 1/15

1:00 am-6:53 am

2 stops44h 53m

$2,208

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sun 2/22

5:50 pm-7:05 pm

2 stops34h 15m

Tamuning Guam Intl

Thu 2/26

7:40 am-1:54 pm

2 stops21h 14m

$2,228

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Tue 1/27

7:07 pm-7:05 pm

2 stops32h 58m

Tamuning Guam Intl

Wed 2/18

7:40 am-1:54 pm

2 stops21h 14m

$2,228

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Fri 12/19

6:14 pm-7:00 pm

2 stops33h 46m

$1,771

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

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 December 3, 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 December 3, 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
9,063 reviews

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

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
9,063 reviews
United Airlines
7.4
Good
9,063 reviews

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

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 34h 08m. United Airlines provides one of the quickest options available for as low as $1,968. 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

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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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,917Average$2,357FlexibilityNo cancel feeOn-time69%

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