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$1,917+ Cheap flights from Key Largo, FL 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — GUM
ago. 26 — sep. 21
mar. 8/26
mar. 9/2
1 adult, Economy
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Cheap flight deals from Key Largo to Guam

Keep the following information in mind while searching for Key Largo to Guam flight deals. Data was last updated agosto 21, 2025.

Round-trip from

$1,917
(United Airlines)
From Key Largo to Guam
Search Deals

Find flight deals from Key Largo to Guam

Cheapest flights from Key Largo to Guam
Explore the most affordable flight options available from Key Largo to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 21, 2025.

This United Airlines deal was found by Cheapflights users on 8/21. 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.
mar. 11/186:30 amMIA - GUM
2 stops21h 20mUnited Airlines
mié. 1/217:25 amGUM - MIA
2 stops24h 35mUnited Airlines
Deal found 8/21$1,917
This Delta deal was found by Cheapflights users on 8/20. 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.
lun. 10/66:58 pmMIA - GUM
2 stops54h 17mDelta
mar. 10/145:00 pmGUM - MIA
2 stops37h 30mDelta
Deal found 8/20$2,115
This Delta deal was found by Cheapflights users on 8/20. 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.
mar. 10/78:30 amMIA - GUM
2 stops25h 40mDelta
lun. 10/131:55 amGUM - MIA
2 stops28h 35mDelta
Deal found 8/20$2,198
This Delta deal was found by Cheapflights users on 8/20. 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.
dom. 10/512:25 pmMIA - GUM
2 stops60h 50mDelta
mar. 10/145:00 pmGUM - MIA
2 stops51h 21mDelta
Deal found 8/20$2,213
This United Airlines deal was found by Cheapflights users on 8/20. 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.
mié. 10/86:45 amMIA - GUM
2 stops21h 20mUnited Airlines
lun. 10/137:10 amGUM - MIA
2 stops29h 35mUnited Airlines
Deal found 8/20$2,227
This United Airlines deal was found by Cheapflights users on 8/20. 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.
dom. 10/56:35 pmMIA - GUM
2 stops33h 30mUnited Airlines
dom. 10/125:00 pmGUM - MIA
2 stops43h 45mUnited Airlines
Deal found 8/20$2,263
This United Airlines deal was found by Cheapflights users on 8/20. 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.
dom. 10/56:45 amMIA - GUM
2 stops21h 20mUnited Airlines
mié. 10/87:10 amGUM - MIA
2 stops29h 35mUnited Airlines
Deal found 8/20$2,277
This United Airlines deal was found by Cheapflights users on 8/20. 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.
sáb. 9/206:35 pmMIA - GUM
2 stops57h 30mUnited Airlines
vie. 9/267:10 amGUM - MIA
2 stops29h 35mUnited Airlines
Deal found 8/20$2,323
This Delta deal was found by Cheapflights users on 8/20. 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.
sáb. 9/207:25 pmMIA - GUM
2 stops29h 50mDelta
jue. 9/251:55 amGUM - MIA
2 stops42h 30mDelta
Deal found 8/20$2,398
This Delta deal was found by Cheapflights users on 8/20. 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.
jue. 10/98:30 amMIA - GUM
2 stops25h 40mDelta
sáb. 10/111:55 amGUM - MIA
2 stops33h 32mDelta
Deal found 8/20$2,865

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo 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 agosto 21, 2025.
Use the filters below to find and compare flights from Key Largo to Guam that are best for you.

Fly from

Key Largo

Fly to

Guam

Route

Depart

Return

Price

MiamiTamuning

MIA - GUM

MIAGUM

Miami

mar. 11/18

6:30 am-6:50 pm

2 stops21h 20m

Tamuning Guam Intl

mié. 1/21

7:25 am-5:00 pm

2 stops24h 35m

$1,917

MiamiTamuning

MIA - GUM

MIAGUM

Miami

lun. 10/6

6:58 pm-3:15 pm

2 stops54h 17m

Tamuning Guam Intl

lun. 10/13

1:55 am-4:30 pm

2 stops28h 35m

$2,115

MiamiTamuning

MIA - GUM

MIAGUM

Miami

mar. 10/7

8:30 am-12:10 am

2 stops25h 40m

Tamuning Guam Intl

lun. 10/13

1:55 am-4:30 pm

2 stops28h 35m

$2,198

MiamiTamuning

MIA - GUM

MIAGUM

Miami

dom. 10/5

12:25 pm-3:15 pm

2 stops60h 50m

Tamuning Guam Intl

mar. 10/14

5:00 pm-6:21 am

2 stops51h 21m

$2,213

MiamiTamuning

MIA - GUM

MIAGUM

Miami

lun. 10/6

6:45 am-6:05 pm

2 stops21h 20m

Tamuning Guam Intl

jue. 10/9

7:10 am-5:33 pm

2 stops24h 23m

$2,227

MiamiTamuning

MIA - GUM

MIAGUM

Miami

dom. 10/5

6:35 pm-6:05 pm

2 stops33h 30m

Tamuning Guam Intl

jue. 10/9

7:10 am-3:47 pm

2 stops22h 37m

$2,227

MiamiTamuning

MIA - GUM

MIAGUM

Miami

mié. 10/8

6:45 am-6:05 pm

2 stops21h 20m

Tamuning Guam Intl

lun. 10/13

7:10 am-10:45 pm

2 stops29h 35m

$2,227

MiamiTamuning

MIA - GUM

MIAGUM

Miami

mié. 10/8

6:35 pm-6:05 pm

2 stops33h 30m

Tamuning Guam Intl

mar. 10/14

7:10 am-7:56 pm

2 stops26h 46m

$2,227

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Best time to book a flight from Key Largo to Guam

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

What is the cheapest time of day to fly from KE9 to GU?

Find hourly flight availability from Key Largo 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 agosto 21, 2025.

When flying from Key Largo to Guam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 agosto 21, 2025.
Get a feel of what it's like to fly with United Airlines from Key Largo to Guam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,934 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,934 reviews
United Airlines
7.4
Good
8,934 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

    There are many flights that can get you from Key Largo to Guam in 21h 20m. Fly via United Airlines or Delta to get the fastest option. Key Largo and Guam are separated by a distance of 8362 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from Key Largo to Guam?

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

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

    Yes. Cheapflights offers flight deals from Key Largo 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 Key Largo to Guam?

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Guam (average of $1,977). Flying from Key Largo to Guam in May is currently the most expensive (average of $2,214). 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 Key Largo to Guam

Discover the top airline that operate flights from Key Largo 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 agosto 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,942Average$3,089FlexibilityNo cancel feeOn-time69%

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