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$1,919+ Cheap flights from Colorado 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GUM
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap flight deals from Colorado to Guam

Keep the following information in mind while searching for Colorado to Guam flight deals. Data was last updated January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,919
(United Airlines)

Popular in

January

Cheapest in

September

Average price

$3,215
Provider with most accurate pricing for Denver Intl-Tamuning Guam Intl flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Tamuning Guam Intl flights.
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From Colorado to Guam
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Highest demand for flights based on searches. 13% potential increase in price ($363 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($87 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Colorado to Guam

Cheapest flights from Colorado to Guam
Explore the most affordable flight options available from Colorado to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2026.

This United Airlines deal was found by Cheapflights users on 1/14. 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 4/59:00 pm
DEN
-
GUM
2 stops29h 05m
United Airlines
Mon 4/137:05 am
GUM
-
DEN
2 stops21h 07m
United Airlines
Deal found 1/14$1,919
This Delta deal was found by Cheapflights users on 1/12. 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.
Thu 10/226:45 am
DEN
-
GUM
2 stops40h 30m
Delta
Sun 11/14:50 pm
GUM
-
DEN
2 stops47h 38m
Delta
Deal found 1/12$1,934
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Fri 3/279:08 pm
DEN
-
GUM
2 stops28h 57m
United Airlines
Wed 4/87:05 am
GUM
-
DEN
1 stop15h 39m
United Airlines
Deal found 1/14$1,969
This Delta deal was found by Cheapflights users on 1/12. 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.
Thu 10/227:05 am
DEN
-
GUM
2 stops40h 10m
Delta
Fri 10/304:50 pm
GUM
-
DEN
2 stops46h 38m
Delta
Deal found 1/12$1,984
This United Airlines deal was found by Cheapflights users on 1/12. 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 10/2211:25 am
DEN
-
GUM
1 stop18h 25m
United Airlines
Sat 10/317:25 am
GUM
-
DEN
1 stop15h 43m
United Airlines
Deal found 1/12$1,991
This United Airlines deal was found by Cheapflights users on 1/14. 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 3/284:35 pm
DEN
-
GUM
1 stop33h 30m
United Airlines
Wed 4/87:05 am
GUM
-
DEN
1 stop15h 39m
United Airlines
Deal found 1/14$1,995
This United Airlines deal was found by Cheapflights users on 1/13. 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 5/178:39 pm
DEN
-
GUM
2 stops29h 26m
United Airlines
Fri 6/127:05 am
GUM
-
DEN
2 stops19h 13m
United Airlines
Deal found 1/13$2,019
This Delta deal was found by Cheapflights users on 1/12. 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.
Sat 10/246:45 am
DEN
-
GUM
2 stops39h 50m
Delta
Fri 10/304:50 pm
GUM
-
DEN
2 stops46h 38m
Delta
Deal found 1/12$2,034
This United Airlines deal was found by Cheapflights users on 1/12. 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.
Fri 10/2311:25 am
DEN
-
GUM
1 stop18h 25m
United Airlines
Fri 10/307:25 am
GUM
-
DEN
1 stop15h 43m
United Airlines
Deal found 1/12$2,041
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Wed 6/1011:40 am
DEN
-
GUM
1 stop24h 40m
United Airlines
Wed 6/177:05 am
GUM
-
DEN
1 stop17h 20m
United Airlines
Deal found 1/14$2,047
This United Airlines deal was found by Cheapflights users on 1/12. 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 10/2412:25 pm
DEN
-
GUM
1 stop17h 20m
United Airlines
Fri 10/305:00 pm
GUM
-
DEN
1 stop36h 10m
United Airlines
Deal found 1/12$2,064

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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 January 14, 2026.
Use the filters below to find and compare flights from Colorado to Guam that are best for you.

Fly from

Colorado

Fly to

Guam

Route

Depart

Return

Price

DenverTamuning

DEN - GUM

DENGUM

Denver Intl

Sun 4/5

11:59 pm-6:05 pm

2 stops26h 06m

Tamuning Guam Intl

Mon 4/13

7:05 am-8:29 am

1 stop17h 24m

$1,919

DenverTamuning

DEN - GUM

DENGUM

Denver Intl

Fri 3/27

7:35 pm-6:05 pm

2 stops30h 30m

Tamuning Guam Intl

Wed 4/8

7:05 am-12:09 pm

2 stops21h 04m

$1,969

DenverTamuning

DEN - GUM

DENGUM

Denver Intl

Sat 3/28

5:25 am-6:05 pm

2 stops20h 40m

Tamuning Guam Intl

Wed 4/8

7:05 am-12:18 pm

2 stops21h 13m

$1,969

DenverTamuning

DEN - GUM

DENGUM

Denver Intl

Sun 5/17

8:39 pm-6:05 pm

2 stops29h 26m

Tamuning Guam Intl

Fri 6/12

7:05 am-10:18 am

2 stops19h 13m

$2,019

DenverTamuning

DEN - GUM

DENGUM

Denver Intl

Wed 6/10

6:00 am-6:05 pm

2 stops20h 05m

Tamuning Guam Intl

Wed 6/17

7:05 am-8:25 am

1 stop17h 20m

$2,019

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Best time to book a flight from Colorado to Guam

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

What is the cheapest month to book a flight from Colorado to Guam?

Currently, March is the cheapest month in which you can book a flight from Colorado to Guam (average of $1,917). Flying from Colorado to Guam in February is currently the most expensive (average of $2,315). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

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

    A quick flight from Colorado to Guam can take about 26h 06m. United Airlines provides one of the quickest options available for as low as $1,919. The distance from Colorado to Guam is about 6659 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado 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.

  • What is the cheapest month to book a flight from Colorado to Guam?

    Currently, March is the cheapest month in which you can book a flight from Colorado to Guam (average of $1,917). Flying from Colorado to Guam in February is currently the most expensive (average of $2,315). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Colorado to Guam

Discover the top airline that operate flights from Colorado 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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,917Average$2,260FlexibilityNo cancel feeOn-time69%

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