HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Guam

$1,919+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — GUM
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo 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 Key Largo to Guam

Keep the following information in mind while searching for Key Largo to Guam flight deals. Data was last updated January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,919
(United Airlines)
Provider with most accurate pricing for Miami-Tamuning Guam Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Tamuning Guam Intl flights.
Search Deals
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 January 12, 2026.

This United Airlines deal was found by Cheapflights users on 1/11. 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 3/126:15 am
MIA
-
GUM
2 stops22h 35m
United Airlines
Thu 3/267:25 am
GUM
-
MIA
2 stops19h 59m
United Airlines
Deal found 1/11$1,919
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.
Wed 3/256:34 pm
MIA
-
GUM
2 stops34h 16m
United Airlines
Wed 4/17:30 pm
GUM
-
MIA
2 stops41h 15m
United Airlines
Deal found 1/12$1,942
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.
Wed 8/267:00 am
MIA
-
GUM
2 stops21h 05m
United Airlines
Wed 9/27:05 am
GUM
-
MIA
3 stops28h 45m
United Airlines
Deal found 1/12$2,019
This Delta deal was found by Cheapflights users on 1/10. 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.
Tue 2/33:25 pm
MIA
-
GUM
2 stops40h 40m
Delta
Mon 3/94:50 pm
GUM
-
MIA
2 stops43h 36m
Delta
Deal found 1/10$2,099
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 3/128:00 am
MIA
-
GUM
2 stops40h 35m
Delta
Wed 3/251:00 am
GUM
-
MIA
2 stops37h 56m
Delta
Deal found 1/12$2,199
This United Airlines deal was found by Cheapflights users on 1/11. 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 9/234:17 pm
MIA
-
GUM
3 stops35h 48m
United Airlines
Sun 9/277:35 pm
GUM
-
MIA
2 stops40h 41m
United Airlines
Deal found 1/11$2,252
This United Airlines deal was found by Cheapflights users on 1/11. 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.
Tue 8/187:35 pm
MIA
-
GUM
2 stops32h 30m
United Airlines
Sun 8/235:00 pm
GUM
-
MIA
2 stops44h 51m
United Airlines
Deal found 1/11$2,393

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 January 12, 2026.
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

Thu 3/12

6:15 am-6:50 pm

2 stops22h 35m

Tamuning Guam Intl

Thu 3/26

7:25 am-1:24 pm

2 stops19h 59m

$1,919

MiamiTamuning

MIA - GUM

MIAGUM

Miami

Wed 3/25

6:34 pm-6:50 pm

2 stops34h 16m

Tamuning Guam Intl

Wed 4/1

7:30 pm-10:45 pm

2 stops41h 15m

$1,942

MiamiTamuning

MIA - GUM

MIAGUM

Miami

Tue 2/3

3:25 pm-11:05 pm

2 stops40h 40m

Tamuning Guam Intl

Mon 3/9

4:50 pm-10:26 pm

2 stops43h 36m

$2,099

MiamiTamuning

MIA - GUM

MIAGUM

Miami

Thu 3/12

8:00 am-2:35 pm

2 stops40h 35m

Tamuning Guam Intl

Wed 3/25

1:00 am-12:56 am

2 stops37h 56m

$2,199

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

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
No data available for this route at this time. Please check back soon.

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 January 12, 2026.
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
9,149 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,149 reviews
United Airlines
7.4
Good
9,149 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 22h 35m. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Key Largo to Guam

See prices for flight routes from nearby airports that may be better suited for you.
Tampa to Melbourne flights
Miami to Sydney flights
Orlando to Melbourne flights
Orlando to Sydney flights
Tampa to Avalon flights
Orlando to Auckland flights
Fort Lauderdale to Sydney flights
Tampa to Auckland flights
Miami to Melbourne flights
Miami to Auckland flights
Fort Lauderdale to Melbourne flights
Orlando to Brisbane flights
Tampa to Sydney flights
Orlando to Avalon flights
Tampa to Papeete flights
Jacksonville to Auckland flights
Orlando to Papeete flights
Miami to Papeete flights
Fort Lauderdale to Auckland flights
Jacksonville to Sydney flights
Fort Myers to Sydney flights
West Palm Beach to Melbourne flights
Jacksonville to Avalon flights
Orlando to Tamuning flights
West Palm Beach to Sydney flights
Orlando to Christchurch flights
Jacksonville to Perth flights
Orlando to Vaitape flights
Sarasota to Auckland flights
Miami to Nadi flights
Tampa to Perth flights
Jacksonville to Brisbane flights
Tampa to Brisbane flights
Miami to Brisbane flights
West Palm Beach to Papeete flights
Tampa to Nadi flights
Tampa to Wellington flights
Orlando to Suva flights
Miami to Cairns flights
Fort Lauderdale to Adelaide flights
Orlando to Queenstown flights
Miami to Vaitape flights
West Palm Beach to Auckland flights
Fort Myers to Brisbane flights
Fort Lauderdale to Brisbane flights
Fort Lauderdale to Cairns flights
Fort Lauderdale to Papeete flights

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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,017Average$3,089FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.