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$1,123+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GUM
May 8 — May 151
Fri 5/8
Fri 5/15
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 April 8, 2026.

This United Airlines deal was found by Cheapflights users on 4/6. 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.
Thu 10/295:30 am
BOS
-
GUM
2 stops23h 20m
United Airlines
Thu 11/57:25 am
GUM
-
BOS
2 stops28h 34m
United Airlines
Deal found 4/6$1,919
This United Airlines deal was found by Cheapflights users on 4/6. 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 10/266:00 am
BOS
-
GUM
3 stops32h 20m
United Airlines
Mon 11/97:25 am
GUM
-
BOS
2 stops22h 03m
United Airlines
Deal found 4/6$1,942
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Sun 10/258:15 pm
BOS
-
GUM
2 stops35h 30m
United Airlines
Mon 11/97:25 am
GUM
-
BOS
2 stops21h 24m
United Airlines
Deal found 4/6$1,945
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:05 am
BOS
-
GUM
2 stops41h 30m
Delta
Wed 11/44:50 pm
GUM
-
BOS
2 stops34h 11m
Delta
Deal found 4/6$1,953
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:45 pm
BOS
-
GUM
2 stops52h 50m
Delta
Sun 11/84:50 pm
GUM
-
BOS
2 stops45h 36m
Delta
Deal found 4/6$1,963
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Wed 10/288:15 pm
BOS
-
GUM
2 stops32h 35m
United Airlines
Sat 11/77:25 am
GUM
-
BOS
3 stops31h 29m
United Airlines
Deal found 4/7$1,969
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:05 am
BOS
-
GUM
2 stops41h 30m
Delta
Sun 11/84:50 pm
GUM
-
BOS
2 stops46h 30m
Delta
Deal found 4/6$2,003
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Thu 11/127:30 am
BOS
-
GUM
2 stops29h 50m
United Airlines
Fri 11/207:40 pm
GUM
-
BOS
2 stops39h 42m
United Airlines
Deal found 4/6$2,008
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Sun 10/251:50 pm
BOS
-
GUM
2 stops39h 00m
United Airlines
Fri 11/67:25 am
GUM
-
BOS
2 stops24h 42m
United Airlines
Deal found 4/6$2,012
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Fri 10/305:30 am
BOS
-
GUM
2 stops23h 20m
United Airlines
Sat 11/77:25 am
GUM
-
BOS
2 stops24h 42m
United Airlines
Deal found 4/6$2,019
This United Airlines deal was found by Cheapflights users on 4/3. 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 12/66:00 am
BOS
-
GUM
2 stops21h 50m
United Airlines
Sat 12/127:40 pm
GUM
-
BOS
2 stops38h 09m
United Airlines
Deal found 4/3$2,042

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 April 8, 2026.

Round-trip from

$2,098
(Delta)

One-way from

$1,123
(Kiwi.com)

Popular in

May

Cheapest in

December

Average price

$2,850
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. 9% potential increase in price ($255 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 8, 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

Mon 5/18

6:39 pm-6:05 pm

3 stops33h 26m

Tamuning Guam Intl

Mon 5/25

7:05 am-1:49 pm

2 stops20h 44m

$2,229

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 5/28

8:20 pm-6:05 pm

2 stops31h 45m

Tamuning Guam Intl

Mon 6/1

7:05 am-9:21 pm

3 stops28h 16m

$2,344

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Fri 5/22

6:26 pm-6:05 pm

2 stops57h 39m

Tamuning Guam Intl

Fri 5/29

7:05 am-11:19 pm

2 stops30h 14m

$2,375

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Tue 6/2

9:30 am-4:20 am

2 stops28h 50m

Tamuning Guam Intl

Tue 6/9

7:05 am-9:44 pm

2 stops28h 39m

$2,382

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 4/23

6:00 am-4:25 am

2 stops32h 25m

Tamuning Guam Intl

Thu 5/7

7:05 am-9:27 pm

3 stops28h 22m

$2,429

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 4/30

8:05 am-4:25 am

2 stops30h 20m

Tamuning Guam Intl

Thu 5/28

7:05 am-9:21 pm

3 stops28h 16m

$2,452

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 4/16

7:37 am-3:35 pm

2 stops41h 58m

Tamuning Guam Intl

Tue 4/21

5:20 pm-11:57 pm

2 stops44h 37m

$2,849

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 4/16

7:00 am-4:25 am

2 stops31h 25m

Tamuning Guam Intl

Tue 4/21

7:05 am-11:59 pm

3 stops30h 54m

$2,852
Cheapest one-way

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 5/21

7:20 am-11:45 pm

3 stops50h 25m

$1,123
Quickest one-way

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

Thu 5/21

7:48 am-11:55 pm

2 stops26h 07m

$1,622

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Sorted by cheapest first

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 April 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
9,551 reviews

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,551 reviews
United Airlines
7.4
Good
9,551 reviews

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 33h 26m. United Airlines provides one of the quickest options available for as low as $2,229. 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 April 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,017Average$2,431FlexibilityNo cancel feeOn-time69%

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