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$1,361+ Cheap flights from Tamuning (GUM) to Colorado

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — DEN
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Tamuning to Colorado

Best flights from Tamuning to Colorado
Discover carefully curated flight deals from Tamuning to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/2. 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 4/2712:25 pmGUM - DEN
2 stops25h 00mUnited Airlines
Mon 5/48:51 pmDEN - GUM
2 stops29h 14mUnited Airlines
Deal found 11/2$1,584
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 4/237:05 amGUM - DEN
2 stops33h 38mUnited Airlines
Mon 4/277:15 pmDEN - GUM
2 stops30h 50mUnited Airlines
Deal found 11/1$1,627

Cheap flight deals from Tamuning to Colorado

Keep the following information in mind while searching for Tamuning to Colorado flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,584
(United Airlines)

One-way from

$1,361
(Delta)

Popular in

April

Cheapest in

January

Average price

$1,601
Provider with most accurate pricing for Tamuning Guam Intl-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Tamuning Guam Intl-Denver Intl flights.
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From Tamuning Guam Intl to Colorado
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One-way flight from Tamuning Guam Intl to Colorado
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Highest demand for flights based on searches. 7% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Tamuning to Colorado 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 November 3, 2025.
Use the filters below to find and compare flights from Tamuning to Colorado that are best for you.

Fly from

Tamuning

Fly to

Colorado

Route

Depart

Return

Price

TamuningDenver

GUM - DEN

GUMDEN

Tamuning Guam Intl

Mon 4/27

12:25 pm-9:25 pm

2 stops25h 00m

Denver Intl

Mon 5/4

8:51 pm-6:05 pm

2 stops29h 14m

$1,584

TamuningDenver

GUM - DEN

GUMDEN

Tamuning Guam Intl

Thu 4/23

7:05 am-12:43 am

2 stops33h 38m

Denver Intl

Mon 4/27

7:15 pm-6:05 pm

2 stops30h 50m

$1,627

TamuningDenver

GUM - DEN

GUMDEN

Tamuning Guam Intl

Fri 5/1

5:00 pm-7:58 pm

2 stops42h 58m

$1,361

TamuningDenver

GUM - DEN

GUMDEN

Tamuning Guam Intl

Fri 5/1

7:05 am-6:35 am

1 stop15h 30m

$1,600

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Best time to book a flight from Tamuning to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Tamuning 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 Tamuning to Colorado

How much does it cost to fly round-trip from Tamuning to Colorado?

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated November 3, 2025.
Peruse reviews from past customers who have flown with United Airlines from Tamuning to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,997 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Tamuning to Colorado. 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 Tamuning to Colorado?

    Tamuning Guam Intl (GUM), located 1.1 mi from the city center, is the airport you fly out of when you book flights from Tamuning to Colorado.

  • How long is the flight from Tamuning to Colorado?

    A quick flight from Tamuning to Colorado can take about 25h. United Airlines provides one of the quickest options available for as low as $1,584. Airlines will cover a distance of 6659 mi.

  • Can I find deals for flights from Tamuning to Colorado that include hotel bookings?

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

  • How can I find direct flights from Tamuning to Colorado?

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

  • Can I find deals for business class flights from Tamuning to Colorado?

    Yes. Cheapflights offers flight deals from Tamuning to Colorado 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

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Top airline flying from Tamuning to Colorado

Discover the top airline that operate flights from Tamuning to Colorado. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,577Average$1,945FlexibilityNo cancel feeOn-time69%

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