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Guam

$861+ Cheap flights from Boise (BOI) 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — GUM
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap flight deals from Boise to Guam

Cheapest flights from Boise to Guam
Explore the most affordable flight options available from Boise to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.

This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 4/1812:30 pm
BOI
-
GUM
2 stops59h 15m
United Airlines
Wed 4/227:05 am
GUM
-
BOI
2 stops18h 49m
United Airlines
Deal found 3/8$861
This Delta deal was found by Cheapflights users on 3/9. 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.
Wed 4/88:00 am
BOI
-
GUM
2 stops39h 35m
Delta
Sun 4/193:00 am
GUM
-
BOI
2 stops36h 57m
Delta
Deal found 3/9$1,904
This Delta deal was found by Cheapflights users on 3/12. 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 11/17:30 pm
BOI
-
GUM
2 stops50h 05m
Delta
Sat 12/194:50 pm
GUM
-
BOI
2 stops47h 45m
Delta
Deal found 3/12$1,959
This United Airlines deal was found by Cheapflights users on 3/10. 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 5/196:23 am
BOI
-
GUM
2 stops19h 42m
United Airlines
Tue 6/27:05 am
GUM
-
BOI
2 stops30h 35m
United Airlines
Deal found 3/10$1,969
This United Airlines deal was found by Cheapflights users on 3/11. 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 6/87:05 pm
BOI
-
GUM
2 stops31h 00m
United Airlines
Fri 6/197:05 am
GUM
-
BOI
2 stops30h 30m
United Airlines
Deal found 3/11$2,069
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/146:15 am
BOI
-
GUM
2 stops19h 50m
United Airlines
Mon 4/207:05 am
GUM
-
BOI
2 stops31h 30m
United Airlines
Deal found 3/12$2,229
This United Airlines deal was found by Cheapflights users on 3/12. 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 3/1210:49 am
BOI
-
GUM
2 stops40h 01m
United Airlines
Sat 12/197:25 am
GUM
-
BOI
2 stops30h 51m
United Airlines
Deal found 3/12$3,088

Find flight deals from Boise to Guam

Keep the following information in mind while searching for Boise to Guam flight deals. Data was last updated March 13, 2026.

Round-trip from

$861
(United Airlines)
From Boise Air Term. Gowen Fld to Guam
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 March 13, 2026.
Use the filters below to find and compare flights from Boise to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Sat 4/18

12:30 pm-3:45 pm

2 stops59h 15m

Tamuning Guam Intl

Wed 4/22

7:05 am-9:54 am

2 stops18h 49m

$861

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Tue 5/19

6:23 am-6:05 pm

2 stops19h 42m

Tamuning Guam Intl

Tue 6/2

7:05 am-9:40 pm

2 stops30h 35m

$1,969
Quickest round-trip

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Mon 6/8

7:05 pm-6:05 pm

2 stops31h 00m

Tamuning Guam Intl

Fri 6/19

7:05 am-9:45 am

2 stops18h 40m

$2,069

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Sorted by cheapest first

Best time to book a flight from Boise to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Boise 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 Boise 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 March 13, 2026.
Read through reviews of airlines operating flights from Boise to Guam, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,418 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

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
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

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 Boise 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 Boise to Guam?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly out of if you book a flight from Boise to Guam. It is only a 3.3 mi journey to Air Term. Gowen Fld (BOI) from Boise’s city center.

  • How long is the flight from Boise to Guam?

    United Airlines and Delta can get you from Boise to Guam in just under 39h 35m. Your travel time can differ by up to 19h 40m. There are 6013 mi between Boise and Guam. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Boise to Guam that include hotel bookings?

    Yes. In addition to deals on Boise to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Guam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Guam.

  • Can I find deals for business class flights from Boise to Guam?

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Guam

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Boise to Guam

Discover the top airline that operate flights from Boise 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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,322Average$2,434FlexibilityNo cancel feeOn-time69%

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