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$1,548+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GUM
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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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 January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$2,199
(Delta)

One-way from

$1,548
(Delta)

Popular in

May

Cheapest in

April

Average price

$2,597
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. 2% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($76 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 6, 2026.

This Delta deal was found by Cheapflights users on 1/5. 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.
Fri 2/207:15 amBOS - GUM
2 stops24h 50mDelta
Thu 2/261:00 amGUM - BOS
2 stops39h 09mDelta
Deal found 1/5$2,199
This United Airlines deal was found by Cheapflights users on 1/5. 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 3/226:08 pmBOS - GUM
2 stops34h 42mUnited Airlines
Thu 3/267:25 amGUM - BOS
2 stops26h 21mUnited Airlines
Deal found 1/5$2,229
This United Airlines deal was found by Cheapflights users on 1/4. 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 3/17:19 pmBOS - GUM
2 stops32h 46mUnited Airlines
Wed 3/47:20 pmGUM - BOS
2 stops44h 15mUnited Airlines
Deal found 1/4$2,252
This United Airlines deal was found by Cheapflights users on 1/4. 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.
Thu 2/125:35 amBOS - GUM
2 stops22h 30mUnited Airlines
Fri 2/207:40 amGUM - BOS
2 stops29h 07mUnited Airlines
Deal found 1/4$2,279
This United Airlines deal was found by Cheapflights users on 1/3. 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 4/57:15 amBOS - GUM
2 stops31h 10mUnited Airlines
Wed 4/87:05 amGUM - BOS
3 stops28h 16mUnited Airlines
Deal found 1/3$2,302
This United Airlines deal was found by Cheapflights users on 1/4. 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.
Fri 2/135:35 amBOS - GUM
2 stops22h 30mUnited Airlines
Fri 2/207:40 amGUM - BOS
2 stops24h 22mUnited Airlines
Deal found 1/4$2,329
This United Airlines deal was found by Cheapflights users on 1/5. 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 2/205:35 amBOS - GUM
2 stops31h 45mUnited Airlines
Fri 2/277:40 amGUM - BOS
3 stops31h 17mUnited Airlines
Deal found 1/5$2,352
This United Airlines deal was found by Cheapflights users on 1/4. 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 8/175:30 amBOS - GUM
2 stops22h 35mUnited Airlines
Fri 8/217:05 amGUM - BOS
3 stops28h 29mUnited Airlines
Deal found 1/4$2,409
This United Airlines deal was found by Cheapflights users on 1/3. 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 7/127:35 pmBOS - GUM
2 stops42h 45mUnited Airlines
Fri 7/177:05 amGUM - BOS
2 stops21h 23mUnited Airlines
Deal found 1/3$2,442

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 January 6, 2026.
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

Fri 2/20

7:15 am-11:05 pm

2 stops24h 50m

Tamuning Guam Intl

Thu 2/26

1:00 am-1:09 am

2 stops39h 09m

$2,199

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sun 3/22

6:08 pm-6:50 pm

2 stops34h 42m

Tamuning Guam Intl

Thu 3/26

7:25 am-6:28 pm

2 stops25h 03m

$2,229

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sun 3/1

5:50 pm-7:05 pm

2 stops34h 15m

Tamuning Guam Intl

Wed 3/4

7:20 pm-11:57 pm

2 stops43h 37m

$2,252

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 2/26

9:45 am-4:20 am

2 stops27h 35m

Tamuning Guam Intl

Wed 3/4

7:40 am-3:35 pm

2 stops22h 55m

$2,252

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sun 4/5

6:01 pm-6:05 pm

2 stops34h 04m

Tamuning Guam Intl

Wed 4/8

7:30 pm-12:14 am

2 stops42h 44m

$2,252

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 2/12

5:35 am-7:05 pm

2 stops22h 30m

Tamuning Guam Intl

Fri 2/20

7:40 am-9:47 pm

2 stops29h 07m

$2,279

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sat 2/28

5:35 am-7:05 pm

2 stops22h 30m

Tamuning Guam Intl

Wed 3/4

7:40 am-6:13 pm

2 stops25h 33m

$2,279

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sat 2/28

5:50 am-11:05 pm

2 stops26h 15m

$1,548

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sat 2/28

5:35 am-7:05 pm

3 stops46h 30m

$1,832

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

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 January 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
9,132 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,132 reviews
United Airlines
7.4
Good
9,132 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 24h 50m. Delta provides one of the quickest options available for as low as $2,199. 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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Alternative routes for Boston to Guam

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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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,917Average$2,357FlexibilityNo cancel feeOn-time69%

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