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Guam

$926+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — GUM
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheap flight deals from Boise to Guam

Keep the following information in mind while searching for Boise to Guam flight deals. Data was last updated August 13, 2025.

Round-trip from

$926
(United Airlines)
From Boise Air Term. Gowen Fld to Guam
Search Deals

Find 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 August 13, 2025.

This United Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 9/127:45 amBOI - GUM
2 stops40h 10mUnited Airlines
Mon 9/157:10 amGUM - BOI
2 stops18h 32mUnited Airlines
Deal found 8/10$926
This Delta deal was found by Cheapflights users on 8/12. 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.
Tue 11/47:40 amBOI - GUM
2 stops37h 55mDelta
Mon 11/104:50 pmGUM - BOI
2 stops47h 48mDelta
Deal found 8/12$1,853
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:30 amBOI - GUM
2 stops41h 45mDelta
Mon 9/155:00 pmGUM - BOI
2 stops41h 16mDelta
Deal found 8/10$2,008
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:30 amBOI - GUM
2 stops39h 45mDelta
Wed 9/175:00 pmGUM - BOI
2 stops47h 15mDelta
Deal found 8/10$2,258
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1211:00 amBOI - GUM
2 stops21h 10mDelta
Sun 9/141:55 amGUM - BOI
2 stops38h 20mDelta
Deal found 8/10$2,363
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 9/127:45 amBOI - GUM
2 stops18h 20mUnited Airlines
Wed 9/1712:30 pmGUM - BOI
3 stops20h 28mUnited Airlines
Deal found 8/10$2,370
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Mon 9/87:45 amBOI - GUM
2 stops40h 10mUnited Airlines
Mon 9/157:05 pmGUM - BOI
2 stops44h 29mUnited Airlines
Deal found 8/10$2,515

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 August 13, 2025.
Use the filters below to find and compare flights from Boise to Guam that are best for you.

Fly from

Boise

Fly to

Guam

Route

Depart

Return

Price

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Fri 9/12

7:45 am-3:55 pm

2 stops40h 10m

Tamuning Guam Intl

Mon 9/15

7:10 am-9:42 am

2 stops18h 32m

$926

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Tue 11/4

7:40 am-2:35 pm

2 stops37h 55m

Tamuning Guam Intl

Mon 11/10

4:50 pm-11:38 pm

2 stops47h 48m

$1,853

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Mon 9/8

5:30 am-3:15 pm

2 stops41h 45m

Tamuning Guam Intl

Mon 9/15

5:00 pm-6:16 pm

2 stops41h 16m

$2,008

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Fri 9/12

7:30 am-12:10 am

2 stops24h 40m

Tamuning Guam Intl

Tue 9/16

1:55 am-12:15 am

2 stops38h 20m

$2,258

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Fri 9/12

11:00 am-12:10 am

2 stops21h 10m

Tamuning Guam Intl

Sun 9/14

1:55 am-12:15 am

2 stops38h 20m

$2,363

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Fri 9/12

7:45 am-6:05 pm

2 stops18h 20m

Tamuning Guam Intl

Wed 9/17

12:30 pm-4:58 pm

3 stops20h 28m

$2,370

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Mon 9/8

7:45 am-3:55 pm

2 stops40h 10m

Tamuning Guam Intl

Mon 9/15

7:05 pm-11:34 pm

2 stops44h 29m

$2,515

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

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 August 13, 2025.
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
8,920 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,920 reviews
United Airlines
7.4
Good
8,920 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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.

  • What is the cheapest month to book a flight from Boise to Guam?

    Currently, January is the cheapest month in which you can book a flight from Boise to Guam (average of $1,977). Flying from Boise to Guam in May is currently the most expensive (average of $2,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,322Average$2,117FlexibilityNo cancel feeOn-time69%

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