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.

What is the cheapest time of day to fly from BOI to GU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Guam as you normally would.

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.

$2,169+ Flights from Boise to Guam

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Cheap flight deals from Boise to Guam

Round-trip from	$1,859 (Delta)

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 juin 12, 2025.

dim. 11/22:00 pmBOI - GUM

2 stops55h 35mDelta

mer. 11/194:50 pmGUM - BOI

2 stops47h 48mDelta

Deal found 6/9

$1,859

mer. 12/176:48 amBOI - GUM

2 stops19h 02mUnited Airlines

ven. 1/167:25 amGUM - BOI

2 stops23h 05mUnited Airlines

Deal found 6/11

$2,017

Best flights from Boise to Guam
Discover carefully curated flight deals from Boise to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated juin 12, 2025.

dim. 11/22:00 pmBOI - GUM

2 stops55h 35mDelta

mer. 11/194:50 pmGUM - BOI

2 stops47h 48mDelta

Deal found 6/9

$1,859

mar. 7/87:51 amBOI - GUM

2 stops18h 14mUnited Airlines

mar. 7/157:15 amGUM - BOI

2 stops22h 14mUnited Airlines

Deal found 6/10

$2,527

Last-minute flights from Boise to Guam
Discover last-minute flight deals from Boise to Guam. Data last updated juin 12, 2025 and is based on user searches.

mar. 7/810:47 amBOI - GUM

2 stops36h 28mDelta

lun. 7/141:55 amGUM - BOI

2 stops34h 25mDelta

Deal found 6/10

$2,178

mar. 7/87:51 amBOI - GUM

2 stops18h 14mUnited Airlines

mar. 7/157:15 amGUM - BOI

2 stops22h 14mUnited Airlines

Deal found 6/10

$2,527

Cheapflights Fare Finder

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

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

dim. 11/2

2:00 pm-2:35 pm

2 stops55h 35m

Tamuning Guam Intl

mer. 11/19

4:50 pm-11:38 pm

2 stops47h 48m

$1,859

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

mar. 7/8

7:51 am-6:05 pm

2 stops18h 14m

Tamuning Guam Intl

mar. 7/15

7:15 am-1:29 pm

2 stops22h 14m

$2,527

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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

Rainfall in Guam by month

In terms of precipitation, rainfall in Guam ranges from 2.6 - 14.4 inches per month. August is typically the wettest month, when rainfall can reach 14.4 in. March is typically the driest time to visit Guam when rainfall is around 2.6 in.

Temperature in Guam by month

If weather is an important factor for your trip to Guam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Guam

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,946 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,322	Average$2,117	FlexibilityNo cancel fee	On-time69%

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$1,859+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Guam with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 juin 12, 2025.

Round-trip from

Find flight deals from Boise to Guam

Cheapest flights from Boise to GuamExplore 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 juin 12, 2025.

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 juin 12, 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Boise to Guam

Rainfall in Guam by month

Plan your trip to Guam by taking into account the average rainfall totals by month.

Temperature in Guam by month

Plan your trip to Guam by taking into account the average temperature totals by month.

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 juin 12, 2025.

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?

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

How can I find direct flights from Boise to Guam?

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

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

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 Boise to Guam

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Boise to Guam

100% Free

Book with Flexibility

Travel Smart

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 juin 12, 2025.