HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Guam

$1,968+ Cheap flights from Boston (BOS) to Guam

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GUM
dec. 21 — dec. 281
søn. 12/21
søn. 12/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Guam with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 november 21, 2025.

This United Airlines deal was found by Cheapflights users on 11/19. 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.
tor. 12/255:20 amBOS - GUM
2 stops22h 40mUnited Airlines
tor. 1/87:40 amGUM - BOS
2 stops24h 33mUnited Airlines
Deal found 11/19$2,358
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tir. 12/25:40 amBOS - GUM
2 stops26h 25mDelta
tir. 12/91:00 amGUM - BOS
2 stops25h 59mDelta
Deal found 11/20$2,698
This Delta deal was found by Cheapflights users on 11/19. 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.
tor. 12/45:45 amBOS - GUM
2 stops26h 20mDelta
lør. 12/61:00 amGUM - BOS
2 stops39h 27mDelta
Deal found 11/19$2,748
This United Airlines deal was found by Cheapflights users on 11/20. 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.
søn. 12/215:57 pmBOS - GUM
2 stops34h 03mUnited Airlines
tor. 1/17:40 amGUM - BOS
2 stops28h 02mUnited Airlines
Deal found 11/20$2,808
This United Airlines deal was found by Cheapflights users on 11/20. 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.
man. 12/225:57 pmBOS - GUM
2 stops34h 03mUnited Airlines
lør. 1/37:40 amGUM - BOS
2 stops32h 13mUnited Airlines
Deal found 11/20$2,920
This United Airlines deal was found by Cheapflights users on 11/20. 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.
lør. 12/205:57 pmBOS - GUM
2 stops34h 03mUnited Airlines
lør. 12/277:40 amGUM - BOS
3 stops30h 08mUnited Airlines
Deal found 11/20$2,970
This Delta deal was found by Cheapflights users on 11/19. 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.
tor. 12/256:20 pmBOS - GUM
2 stops37h 45mDelta
ons. 1/71:00 amGUM - BOS
2 stops37h 52mDelta
Deal found 11/19$3,075
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 12/216:46 pmBOS - GUM
2 stops37h 19mDelta
ons. 12/311:00 amGUM - BOS
2 stops31h 56mDelta
Deal found 11/20$3,155
This United Airlines deal was found by Cheapflights users on 11/20. 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.
man. 11/245:30 amBOS - GUM
2 stops31h 50mUnited Airlines
ons. 11/267:40 amGUM - BOS
2 stops21h 14mUnited Airlines
Deal found 11/20$3,462
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 12/205:40 amBOS - GUM
2 stops26h 25mDelta
fre. 12/261:00 amGUM - BOS
2 stops39h 07mDelta
Deal found 11/20$19,123

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 november 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,942
(United Airlines)

Popular in

May

Cheapest in

February
Provider with most accurate pricing for Boston Logan Intl-Tamuning Guam Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Tamuning Guam Intl flights.
Search Deals
From Boston Logan Intl to Guam
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($73 potential savings vs. average RT price).
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 november 21, 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

ons. 3/25

6:00 am-6:50 pm

2 stops22h 50m

Tamuning Guam Intl

lør. 4/4

7:05 am-9:37 pm

3 stops28h 32m

$1,968

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

tir. 3/10

6:00 am-6:50 pm

2 stops22h 50m

Tamuning Guam Intl

lør. 3/21

7:25 am-4:41 pm

2 stops23h 16m

$1,968

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

tir. 3/10

11:30 am-2:35 pm

2 stops37h 05m

Tamuning Guam Intl

fre. 3/20

1:00 am-12:59 am

2 stops37h 59m

$2,003

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

lør. 1/10

7:15 am-11:05 pm

2 stops24h 50m

Tamuning Guam Intl

fre. 1/16

1:00 am-10:18 pm

2 stops36h 18m

$2,258

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

tor. 12/25

5:20 am-7:00 pm

2 stops22h 40m

Tamuning Guam Intl

tor. 1/8

7:40 am-5:13 pm

2 stops24h 33m

$2,358

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

lør. 1/10

6:17 pm-7:05 pm

2 stops57h 48m

Tamuning Guam Intl

lør. 1/17

7:40 am-6:20 pm

2 stops25h 40m

$2,389

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

tor. 12/4

5:45 am-11:05 pm

2 stops26h 20m

Tamuning Guam Intl

lør. 12/6

1:00 am-1:27 am

2 stops39h 27m

$2,748

BostonTamuning

BOS - GUM

BOSGUM

Boston Logan Intl

man. 12/22

5:57 pm-7:00 pm

2 stops34h 03m

Tamuning Guam Intl

lør. 1/3

7:40 am-10:48 pm

3 stops30h 08m

$2,920

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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 november 21, 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 november 21, 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
9,029 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

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
9,029 reviews
United Airlines
7.4
Good
9,029 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

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 22h 50m. 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. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Guam

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Sydney flights
Boston to Auckland flights
Boston to Melbourne flights
Boston to Avalon flights
Boston to Brisbane flights
Boston to Christchurch flights
Boston to Papeete flights
Hartford to Melbourne flights
Boston to Nadi flights
Boston to Tamuning flights
Boston to Perth flights
Boston to Adelaide flights
Boston to Wellington flights
Boston to Vaitape flights
Boston to Hobart flights
Hartford to Sydney flights
Hartford to Nadi flights
Hartford to Auckland flights
Boston to Queenstown flights
Hartford to Avalon flights
Boston to Blenheim flights
Boston to Labasa flights
Boston to Dunedin flights
Hartford to Brisbane flights
Boston to Suva flights
Boston to Apia flights
Albany to Brisbane flights
Boston to Savusavu flights
Albany to Papeete flights
Boston to Port Moresby flights
Boston to Cairns flights
Boston to Palmerston North flights
Hartford to Tamuning flights
Boston to Maroochydore flights
Boston to Tauranga flights
Hartford to Rarotonga flights
Boston to Rotorua flights
Boston to Nuku‘alofa flights
Boston to Townsville flights
Boston to Launceston flights
Boston to Honiara flights

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 november 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,917Average$2,342FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.