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$1,547+ 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GUM
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
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 May 22, 2026.

This United Airlines deal was found by Cheapflights users on 5/18. 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 9/88:21 pm
BOS
-
GUM
2 stops31h 44m
United Airlines
Wed 9/237:10 am
GUM
-
BOS
3 stops24h 26m
United Airlines
Deal found 5/18$1,969
This United Airlines deal was found by Cheapflights users on 5/18. 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 8/46:26 pm
BOS
-
GUM
2 stops33h 39m
United Airlines
Wed 8/127:05 am
GUM
-
BOS
2 stops30h 49m
United Airlines
Deal found 5/18$2,019
This United Airlines deal was found by Cheapflights users on 5/17. 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 12/16:00 pm
BOS
-
GUM
2 stops33h 50m
United Airlines
Sat 12/57:25 am
GUM
-
BOS
3 stops25h 03m
United Airlines
Deal found 5/17$2,279
This Delta deal was found by Cheapflights users on 5/18. 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.
Sat 7/45:30 am
BOS
-
GUM
2 stops44h 05m
Delta
Mon 7/205:20 pm
GUM
-
BOS
2 stops55h 25m
Delta
Deal found 5/18$2,307
This United Airlines deal was found by Cheapflights users on 5/18. 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 7/43:50 pm
BOS
-
GUM
2 stops60h 15m
United Airlines
Mon 7/207:05 am
GUM
-
BOS
2 stops27h 05m
United Airlines
Deal found 5/18$2,356
This United Airlines deal was found by Cheapflights users on 5/20. 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 7/68:20 pm
BOS
-
GUM
2 stops31h 45m
United Airlines
Mon 7/207:05 am
GUM
-
BOS
2 stops30h 25m
United Airlines
Deal found 5/20$2,359
This United Airlines deal was found by Cheapflights users on 5/18. 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 6/298:00 am
BOS
-
GUM
2 stops23h 45m
United Airlines
Thu 7/307:05 am
GUM
-
BOS
2 stops32h 06m
United Airlines
Deal found 5/18$2,404
This United Airlines deal was found by Cheapflights users on 5/17. 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 8/216:00 am
BOS
-
GUM
2 stops22h 05m
United Airlines
Wed 8/267:05 am
GUM
-
BOS
2 stops27h 57m
United Airlines
Deal found 5/17$2,409
This United Airlines deal was found by Cheapflights users on 5/20. 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 7/43:50 pm
BOS
-
GUM
2 stops60h 15m
United Airlines
Sat 7/117:05 am
GUM
-
BOS
2 stops27h 05m
United Airlines
Deal found 5/20$2,456
This United Airlines deal was found by Cheapflights users on 5/17. 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 6/16:10 pm
BOS
-
GUM
2 stops33h 55m
United Airlines
Tue 6/307:30 pm
GUM
-
BOS
2 stops43h 44m
United Airlines
Deal found 5/17$2,552

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 22, 2026.

Round-trip from

$2,019
(United Airlines)

One-way from

$1,547
(Delta)

Popular in

May

Cheapest in

October

Average price

$3,304
From Boston Logan Intl to Guam
Search Deals
One-way flight from Boston Logan Intl to Guam
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($360 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($81 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 22, 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
Quickest round-trip

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Tue 9/8

6:00 am-6:05 pm

2 stops22h 05m

Tamuning Guam Intl

Wed 9/23

7:10 am-5:41 pm

2 stops24h 31m

$1,969

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sat 7/4

5:30 am-3:35 pm

2 stops44h 05m

Tamuning Guam Intl

Mon 7/20

5:20 pm-10:45 am

2 stops55h 25m

$2,307

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Mon 7/6

8:15 pm-6:05 pm

2 stops31h 50m

Tamuning Guam Intl

Mon 7/20

7:05 am-9:21 pm

3 stops28h 16m

$2,359

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Tue 6/23

8:20 pm-6:05 pm

2 stops31h 45m

Tamuning Guam Intl

Mon 7/20

7:05 am-9:21 pm

3 stops28h 16m

$2,359

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Mon 6/29

8:00 am-9:45 pm

2 stops23h 45m

Tamuning Guam Intl

Thu 7/30

7:05 am-9:53 pm

2 stops28h 48m

$2,404

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Fri 8/21

5:45 am-4:20 am

3 stops32h 35m

Tamuning Guam Intl

Wed 8/26

7:05 am-9:02 pm

3 stops27h 57m

$2,432

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Sat 7/4

3:50 pm-6:05 pm

2 stops60h 15m

Tamuning Guam Intl

Sat 7/11

7:05 am-8:10 pm

2 stops27h 05m

$2,456

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Tue 6/9

6:26 pm-6:05 pm

2 stops33h 39m

Tamuning Guam Intl

Tue 6/30

7:30 pm-11:21 pm

2 stops41h 51m

$2,552
Cheapest one-way

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Mon 7/6

7:45 am-3:35 pm

2 stops41h 50m

$1,547
Quickest one-way

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Mon 7/6

6:03 am-3:35 am

3 stops31h 32m

$1,561

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 22, 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
9,751 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,751 reviews
United Airlines
7.4
Good
9,751 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 22h 05m. United Airlines provides one of the quickest options available for as low as $1,969. 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

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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 May 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,017Average$2,431FlexibilityNo cancel feeOn-time69%

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