$1,903+ Cheap flights from Idaho to Tamuning (GUM)
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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — GUM
Nov 15 — Nov 221
1 adult, Economy
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1. Tell us where you want to go
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Cheapest flights from Idaho to TamuningExplore the most affordable flight options available from Idaho to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.
Explore the most affordable flight options available from Idaho to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:05 amGEG - GUM
2 stops23h 00mDelta
Wed 4/155:00 pmGUM - GEG
2 stops46h 48mDelta
Deal found 10/16![Delta logo]()
$1,903
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Sat 12/1312:29 pmGEG - GUM
2 stops36h 21mUnited Airlines
Fri 12/197:40 amGUM - GEG
2 stops31h 51mUnited Airlines
Deal found 10/16![United Airlines logo]()
$2,312
Cheap flight deals from Idaho to Tamuning
Keep the following information in mind while searching for Idaho to Tamuning flight deals. Data was last updated October 16, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,903 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Tamuning 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 October 16, 2025.
Use the filters below to find and compare flights from Idaho to Tamuning that are best for you.
Fly from
Idaho
Fly to
Tamuning
Route
Depart
Return
Price
SpokaneTamuning
GEG - GUM
GEGGUM
Spokane
Mon 12/8
6:05 am-11:05 pm
2 stops23h 00m
Tamuning Guam Intl
Wed 4/15
5:00 pm-10:48 pm
2 stops46h 48m
$1,903
BoiseTamuning
BOI - GUM
BOIGUM
Boise Air Term. Gowen Fld
Tue 3/17
6:20 am-6:50 pm
2 stops20h 30m
Tamuning Guam Intl
Tue 3/24
7:25 am-1:39 pm
2 stops22h 14m
$1,918
SpokaneTamuning
GEG - GUM
GEGGUM
Spokane
Sat 12/13
12:29 pm-6:50 pm
2 stops36h 21m
Tamuning Guam Intl
Fri 12/19
7:40 am-9:31 pm
2 stops31h 51m
$2,312
Best time to book a flight from Idaho to Tamuning
Have a flexible travel schedule? Discover the best time to fly to Tamuning 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 Tamuning
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 Tamuning
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Idaho to Tamuning
Discover the top airline that operate flights from Idaho to Tamuning. 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 October 16, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,322 | Average$2,117 | FlexibilityNo cancel fee | On-time69% |