HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Guam

$560+ Cheap flights from Idaho 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — GUM
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho 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.

Cheap flight deals from Idaho to Guam

Cheapest flights from Idaho to Guam
Explore the most affordable flight options available from Idaho to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This United Airlines deal was found by Cheapflights users on 2/1. 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 4/187:03 pm
BOI
-
GUM
2 stops52h 42m
United Airlines
Wed 4/227:05 am
GUM
-
BOI
2 stops22h 26m
United Airlines
Deal found 2/1$761
This United Airlines deal was found by Cheapflights users on 2/2. 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 11/307:02 am
GEG
-
GUM
2 stops39h 13m
United Airlines
Fri 12/187:25 am
GUM
-
GEG
2 stops21h 59m
United Airlines
Deal found 2/2$1,939
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 9/512:30 pm
GEG
-
GUM
2 stops60h 35m
United Airlines
Wed 9/97:35 pm
GUM
-
GEG
2 stops45h 03m
United Airlines
Deal found 2/3$2,314
This Delta deal was found by Cheapflights users on 2/1. 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 2/29:20 am
GEG
-
GUM
2 stops19h 45m
Delta
Wed 2/111:00 am
GUM
-
GEG
2 stops39h 50m
Delta
Deal found 2/1$2,504
This Delta deal was found by Cheapflights users on 2/1. 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 2/27:20 am
GEG
-
GUM
2 stops21h 45m
Delta
Thu 2/121:00 am
GUM
-
GEG
2 stops36h 57m
Delta
Deal found 2/1$2,554
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/212:24 pm
GEG
-
GUM
2 stops36h 41m
United Airlines
Wed 2/187:40 am
GUM
-
GEG
2 stops22h 05m
United Airlines
Deal found 2/1$2,750
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/27:32 am
BOI
-
GUM
2 stops27h 48m
United Airlines
Mon 3/97:25 am
GUM
-
BOI
2 stops19h 52m
United Airlines
Deal found 2/2$3,651

Find flight deals from Idaho to Guam

Keep the following information in mind while searching for Idaho to Guam flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$761
(United Airlines)

One-way from

$560
(Kiwi.com)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Tamuning Guam Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Tamuning Guam Intl flights.
Search Deals
From Idaho to Guam
Search Deals
One-way flight from Idaho to Guam
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 February 4, 2026.
Use the filters below to find and compare flights from Idaho to Guam that are best for you.

Fly from

Idaho

Fly to

Guam

Route

Depart

Return

Price

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Sat 4/18

7:03 pm-3:45 pm

2 stops52h 42m

Tamuning Guam Intl

Wed 4/22

7:05 am-1:31 pm

2 stops22h 26m

$761

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Mon 5/11

6:00 am-6:05 pm

2 stops19h 05m

Tamuning Guam Intl

Mon 5/18

7:05 am-3:18 pm

2 stops25h 13m

$1,819

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Sun 3/1

7:27 am-2:35 pm

2 stops37h 08m

Tamuning Guam Intl

Sun 3/8

4:50 pm-8:05 pm

2 stops45h 15m

$2,106

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Sun 3/1

7:00 am-1:45 am

2 stops24h 45m

Tamuning Guam Intl

Sun 3/8

12:30 pm-4:26 pm

2 stops21h 56m

$2,900

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Mon 3/2

7:32 am-4:20 am

2 stops27h 48m

Tamuning Guam Intl

Mon 3/9

7:25 am-11:17 am

2 stops19h 52m

$3,651

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Sun 7/12

8:46 am-11:45 pm

3 stops45h 59m

$560

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Tue 6/23

11:37 am-11:45 pm

3 stops43h 08m

$920

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Wed 5/20

6:50 am-3:15 pm

2 stops39h 25m

$1,401

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Best time to book a flight from Idaho to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Idaho 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 Idaho to Guam
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to Guam?

    A quick flight from Idaho to Guam can take about 37h 08m. United Airlines provides one of the quickest options available for as low as $2,106. Airlines will cover a distance of 5878 mi. 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 Idaho to Guam that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho 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 Idaho to Guam

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Sydney flights
San Francisco to Sydney flights
Los Angeles to Auckland flights
Los Angeles to Melbourne flights
Los Angeles to Papeete flights
John F Kennedy Intl to Sydney flights
Newark to Sydney flights
Dallas/Fort Worth to Sydney flights
San Francisco to Melbourne flights
LaGuardia to Sydney flights
San Francisco to Auckland flights
John F Kennedy Intl to Auckland flights
San Francisco to Papeete flights
Dulles Intl to Melbourne flights
Dallas/Fort Worth to Auckland flights
Dallas/Fort Worth to Melbourne flights
Los Angeles to Brisbane flights
O'Hare Intl to Sydney flights
John F Kennedy Intl to Melbourne flights
Ontario to Sydney flights
Dulles Intl to Sydney flights
Los Angeles to Nadi flights
Hobby to Sydney flights
Honolulu to Sydney flights
San Francisco to Brisbane flights
Boston to Sydney flights
Baltimore to Melbourne flights
Seattle to Melbourne flights
Hobby to Melbourne flights
O'Hare Intl to Melbourne flights
Seattle to Sydney flights
Newark to Auckland flights
Newark to Melbourne flights
Dallas/Fort Worth to Brisbane flights
Santa Ana to Sydney flights
Seattle to Papeete flights
Reagan-National to Melbourne flights
Honolulu to Auckland flights
George Bush Intcntl to Sydney flights
LaGuardia to Melbourne flights
Boston to Auckland flights
LaGuardia to Auckland flights
Atlanta to Sydney flights
Reagan-National to Sydney flights
Ontario to Auckland flights
Seattle to Auckland flights
O'Hare Intl to Auckland flights
Dulles Intl to Auckland flights
Baltimore to Sydney flights
Denver to Sydney flights

Top airline flying from Idaho to Guam

Discover the top airline that operate flights from Idaho 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,322Average$2,434FlexibilityNo 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.