$1,475+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — GUM
Apr 9 — Apr 161
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
Keep the following information in mind while searching for Idaho to Guam flight deals. Data was last updated April 4, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $2,052 (Delta) |
One-way from | $1,475 (Delta) |
Find flight deals from Idaho to Guam
Cheapest flights from Idaho to GuamExplore 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 April 4, 2025.
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 April 4, 2025.
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/75:05 amGEG - GUM
2 stops41h 10mDelta
Sat 9/135:00 pmGUM - GEG
2 stops46h 47mDelta
Deal found 4/3![Delta logo]()
$2,052
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 April 4, 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
SpokaneTamuning
GEG - GUM
GEGGUM
Spokane
Sun 9/7
5:05 am-3:15 pm
2 stops41h 10m
Tamuning Guam Intl
Sat 9/13
5:00 pm-10:47 pm
2 stops46h 47m
$2,052
SpokaneTamuning
GEG - GUM
GEGGUM
Spokane
Sat 5/10
7:15 am-3:15 pm
2 stops39h 00m
$1,475
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
What is the cheapest time of day to fly from ID to GU?
Find hourly flight availability from Idaho to Guam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 4, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Guam as you normally would.
Rainfall in Guam by month
Plan your trip to Guam by taking into account the average rainfall totals 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
Plan your trip to Guam by taking into account the average temperature totals 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
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 April 4, 2025.
Crew
8.5
Food
7.3
Entertainment
7.9
Overall
8.0
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Food
7.3
Entertainment
7.9
Overall
8.0
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR