$1,060+ Cheap flights from Idaho 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — GUM
Jan 17 — Jan 241
1 adult, Economy
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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
Best flights from Idaho to GuamDiscover carefully curated flight deals from Idaho to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.
Discover carefully curated flight deals from Idaho to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.
This United Airlines deal was found by Cheapflights users on 12/16. 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 4/276:55 pmBOI - GUM
2 stops52h 50mUnited Airlines
Fri 5/17:05 amGUM - BOI
2 stops22h 25mUnited Airlines
Deal found 12/16![United Airlines logo]()
$1,060
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 4/197:02 amGEG - GUM
2 stops42h 03mUnited Airlines
Sat 5/97:05 amGUM - GEG
2 stops22h 35mUnited Airlines
Deal found 12/16![United Airlines logo]()
$1,885
This United Airlines deal was found by Cheapflights users on 12/15. 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 3/27:00 amGEG - GUM
2 stops20h 45mUnited Airlines
Wed 3/47:20 pmGUM - GEG
2 stops43h 43mUnited Airlines
Deal found 12/15![United Airlines logo]()
$3,050
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 December 18, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,060 (United Airlines) |
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 December 18, 2025.
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
Mon 4/27
6:55 pm-3:45 pm
2 stops52h 50m
Tamuning Guam Intl
Fri 5/1
7:05 am-1:30 pm
2 stops22h 25m
$1,060
SpokaneTamuning
GEG - GUM
GEGGUM
Spokane
Sun 4/19
7:02 am-6:05 pm
2 stops42h 03m
Tamuning Guam Intl
Sat 5/9
7:05 am-12:40 pm
2 stops22h 35m
$1,885
SpokaneTamuning
GEG - GUM
GEGGUM
Spokane
Mon 3/2
7:00 am-9:45 pm
2 stops20h 45m
Tamuning Guam Intl
Wed 3/4
7:20 pm-9:03 pm
2 stops43h 43m
$3,050
SpokaneTamuning
GEG - GUM
GEGGUM
Spokane
Wed 5/20
6:05 am-3:15 pm
2 stops40h 10m
$1,400
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
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Alternative routes for Idaho to Guam
See prices for flight routes from nearby airports that may be better suited for you.
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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,322 | Average$2,227 | FlexibilityNo cancel fee | On-time69% |