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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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GUM
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,919
(United Airlines)

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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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 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/6. 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.
Mon 4/138:16 pmBOS - GUM
2 stops31h 49mUnited Airlines
Thu 4/307:05 amGUM - BOS
2 stops22h 49mUnited Airlines
Deal found 1/6$1,919
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Mon 5/49:50 amBOS - GUM
2 stops28h 35mUnited Airlines
Mon 5/117:05 amGUM - BOS
2 stops27h 54mUnited Airlines
Deal found 1/6$1,942
This Delta deal was found by Cheapflights users on 1/7. 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.
Thu 2/55:50 amBOS - GUM
2 stops26h 15mDelta
Wed 2/111:00 amGUM - BOS
2 stops36h 43mDelta
Deal found 1/7$2,099
This United Airlines deal was found by Cheapflights users on 1/7. 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 stops23h 16mUnited Airlines
Deal found 1/7$2,229
This United Airlines deal was found by Cheapflights users on 1/8. 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 2/226:07 pmBOS - GUM
2 stops33h 58mUnited Airlines
Sun 3/17:20 pmGUM - BOS
2 stops43h 37mUnited Airlines
Deal found 1/8$2,252
This United Airlines deal was found by Cheapflights users on 1/7. 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 2/55:45 amBOS - GUM
2 stops22h 20mUnited Airlines
Thu 2/127:40 amGUM - BOS
3 stops31h 17mUnited Airlines
Deal found 1/7$2,429
This United Airlines deal was found by Cheapflights users on 1/8. 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 1/225:45 amBOS - GUM
2 stops22h 20mUnited Airlines
Sun 1/257:20 pmGUM - BOS
2 stops41h 22mUnited Airlines
Deal found 1/8$2,852
This United Airlines deal was found by Cheapflights users on 1/8. 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 4/26:00 amBOS - GUM
2 stops25h 15mUnited Airlines
Sat 4/412:10 pmGUM - BOS
2 stops22h 50mUnited Airlines
Deal found 1/8$3,225

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 8, 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

Mon 4/13

8:16 pm-6:05 pm

2 stops31h 49m

Tamuning Guam Intl

Thu 4/30

7:05 am-3:54 pm

2 stops22h 49m

$1,919

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Mon 5/4

9:50 am-4:25 am

2 stops28h 35m

Tamuning Guam Intl

Mon 5/11

7:05 am-8:59 pm

2 stops27h 54m

$1,942

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 2/5

5:50 am-11:05 pm

2 stops26h 15m

Tamuning Guam Intl

Wed 2/11

1:00 am-10:43 pm

2 stops36h 43m

$2,099

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-9:54 pm

2 stops28h 29m

$2,229

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 2/26

7:45 am-4:20 am

2 stops29h 35m

Tamuning Guam Intl

Wed 3/4

7:40 am-4:41 pm

2 stops24h 01m

$2,252

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sun 2/22

6:07 pm-7:05 pm

2 stops33h 58m

Tamuning Guam Intl

Sun 3/1

7:20 pm-11:57 pm

2 stops43h 37m

$2,252

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 2/5

5:45 am-7:05 pm

2 stops22h 20m

Tamuning Guam Intl

Thu 2/12

7:40 am-11:57 pm

3 stops31h 17m

$2,429

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Tue 1/20

5:35 am-11:05 pm

2 stops26h 30m

$1,548

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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 8, 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
9,139 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

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
9,139 reviews
United Airlines
7.4
Good
9,139 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

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 26h 15m. United Airlines provides one of the quickest options available for as low as $2,099. 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,917Average$2,357FlexibilityNo cancel feeOn-time69%

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