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St. Maarten

$104+ Cheap flights from Key Largo, FL to St. Maarten

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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SXM
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Key Largo to St. Maarten

Keep the following information in mind while searching for Key Largo to St. Maarten flight deals. Data was last updated juin 12, 2025.

Round-trip from

$298
(Priceline)

One-way from

$104
(Priceline)

Popular in

December

Cheapest in

September

Average price

$486
From Key Largo to St. Maarten
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One-way flight from Key Largo to St. Maarten
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Highest demand for flights based on searches. 18% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Key Largo to St. Maarten

Cheapest flights from Key Largo to St. Maarten
Explore the most affordable flight options available from Key Largo to St. Maarten. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 12, 2025.

This Priceline deal was found by Cheapflights users on 6/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 7/119:04 pmMIA - SXM
1 stop20h 17mFrontier
ven. 7/186:26 pmSXM - MIA
1 stop19h 41mFrontier
Deal found 6/11$298
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/147:25 pmMIA - SXM
1 stop12h 47mArajet
dim. 10/2612:25 pmSXM - MIA
1 stop5h 30mArajet
Deal found 6/10$317
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 7/2011:59 amMIA - SXM
Nonstop3h 06mAmerican Airlines
mer. 7/232:50 pmSXM - MIA
Nonstop3h 15mAmerican Airlines
Deal found 6/11$341
This Delta deal was found by Cheapflights users on 6/12. 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.
lun. 7/146:55 amMIA - SXM
1 stop7h 01mDelta
mer. 7/233:21 pmSXM - MIA
1 stop9h 26mDelta
Deal found 6/12$355
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/107:25 pmMIA - SXM
1 stop12h 47mMultiple Airlines
ven. 7/116:26 pmSXM - MIA
1 stop19h 41mMultiple Airlines
Deal found 6/10$384
This Copa Airlines deal was found by Cheapflights users on 6/12. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/245:23 pmMIA - SXM
1 stop18h 01mCopa Airlines
mer. 7/3012:23 pmSXM - MIA
1 stop10h 20mCopa Airlines
Deal found 6/12$436
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/711:11 amMIA - SXM
2 stops26h 49mSpirit Airlines
mer. 8/133:27 pmSXM - MIA
2 stops24h 05mSpirit Airlines
Deal found 6/11$478
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/63:10 pmMIA - SXM
2 stops19h 35mCaribbean Airlines
lun. 10/2011:35 amSXM - MIA
1 stop25h 40mCaribbean Airlines
Deal found 6/11$481

Cheapflights Fare Finder

Customize your flight search to find flights from Key Largo to St. Maarten 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 juin 12, 2025.
Use the filters below to find and compare flights from Key Largo to St. Maarten that are best for you.

Fly from

Key Largo

Fly to

St. Maarten

Route

Depart

Return

Price

MiamiSimpson Bay

MIA - SXM

MIASXM

Miami

ven. 7/11

9:04 pm-5:21 pm

1 stop20h 17m

Simpson Bay Princess Juliana

ven. 7/18

6:26 pm-2:07 pm

1 stop19h 41m

$298

MiamiSimpson Bay

MIA - SXM

MIASXM

Miami

dim. 7/20

11:59 am-3:05 pm

Nonstop3h 06m

Simpson Bay Princess Juliana

mer. 7/23

2:50 pm-6:05 pm

Nonstop3h 15m

$341

MiamiSimpson Bay

MIA - SXM

MIASXM

Miami

lun. 7/14

5:30 am-1:56 pm

1 stop8h 26m

Simpson Bay Princess Juliana

jeu. 7/24

3:21 pm-12:55 am

1 stop9h 34m

$355

MiamiSimpson Bay

MIA - SXM

MIASXM

Miami

jeu. 7/10

7:25 pm-8:12 am

1 stop12h 47m

Simpson Bay Princess Juliana

ven. 7/11

6:26 pm-2:07 pm

1 stop19h 41m

$384

MiamiSimpson Bay

MIA - SXM

MIASXM

Miami

jeu. 7/24

5:23 pm-11:24 am

1 stop18h 01m

Simpson Bay Princess Juliana

mer. 7/30

12:23 pm-10:43 pm

1 stop10h 20m

$436

MiamiSimpson Bay

MIA - SXM

MIASXM

Miami

jeu. 7/17

7:25 pm-8:12 am

1 stop12h 47m

Simpson Bay Princess Juliana

dim. 7/20

8:35 pm-12:39 pm

1 stop16h 04m

$475

MiamiSimpson Bay

MIA - SXM

MIASXM

Miami

jeu. 8/7

11:11 am-2:00 pm

2 stops26h 49m

Simpson Bay Princess Juliana

mer. 8/13

3:27 pm-3:32 pm

2 stops24h 05m

$478

MiamiSimpson Bay

MIA - SXM

MIASXM

Miami

sam. 6/28

7:30 am-5:16 pm

1 stop9h 46m

$104

MiamiSimpson Bay

MIA - SXM

MIASXM

Miami

mar. 7/15

7:25 pm-8:12 am

1 stop12h 47m

$155

MiamiSimpson Bay

MIA - SXM

MIASXM

Miami

jeu. 6/19

6:33 pm-5:16 pm

1 stop22h 43m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 results
1
2

Best time to book a flight from Key Largo to St. Maarten

Have a flexible travel schedule? Discover the best time to fly to St. Maarten 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 St. Maarten

What is the cheapest month to book a flight from Key Largo to St. Maarten?

Currently, September is the cheapest month in which you can book a flight from Key Largo to St. Maarten (average of $459). Flying from Key Largo to St. Maarten in March is currently the most expensive (average of $657). 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.

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

Find hourly flight availability from Key Largo to St. Maarten. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juin 12, 2025.

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

Weekly flight availability from Key Largo to St. Maarten

Explore weekly flight availability from Key Largo to St. Maarten. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated juin 12, 2025.

The most flights from KE9 to SX0 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing St. Maarten

Get insights into the airlines that provide service to St. Maarten. 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 St. Maarten. Reviews last updated juin 12, 2025.
Peruse reviews from past customers who have flown with Caribbean Airlines, Delta and Copa Airlines from Key Largo to St. Maarten to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Caribbean Airlines
8.2
Very good
157 reviews

Food

6.8

Boarding

8.2

Entertainment

6.8

Overall

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
Caribbean Airlines
8.2
Very good
157 reviews
Caribbean Airlines
8.2
Very good
157 reviews

Food

6.8

Boarding

8.2

Entertainment

6.8

Overall

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
Delta
8.0
Very good
7,950 reviews
Caribbean Airlines
8.2
Very good
157 reviews

Food

6.8

Boarding

8.2

Entertainment

6.8

Overall

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
Copa Airlines
7.5
Good
1,451 reviews
Caribbean Airlines
8.2
Very good
157 reviews

Food

6.8

Boarding

8.2

Entertainment

6.8

Overall

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
United Airlines
7.4
Good
8,790 reviews
Caribbean Airlines
8.2
Very good
157 reviews

Food

6.8

Boarding

8.2

Entertainment

6.8

Overall

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
American Airlines
7.2
Good
10,000 reviews
Caribbean Airlines
8.2
Very good
157 reviews

Food

6.8

Boarding

8.2

Entertainment

6.8

Overall

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to St. Maarten. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Key Largo to St. Maarten one-way?

    One-way options have recently been found by users for as low as $104 on Frontier. Other airlines that offer cheap prices include Arajet from $155 and Copa Airlines from $203 one-way.

  • What are the cheapest flights from Key Largo to St. Maarten?

    The cheapest flight price from Key Largo to St. Maarten is $243. On average you can expect to pay $349. The most popular route, (Miami - Simpson Bay Princess Juliana), can usually be booked for $351.

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

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

  • How can I find direct flights from Key Largo to St. Maarten?

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

  • Can I find deals for business class flights from Key Largo to St. Maarten?

    Yes. Cheapflights offers flight deals from Key Largo to St. Maarten 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 St. Maarten?

    Currently, September is the cheapest month in which you can book a flight from Key Largo to St. Maarten (average of $459). Flying from Key Largo to St. Maarten in March is currently the most expensive (average of $657). 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 5 airlines flying from Key Largo to St. Maarten

Discover the top 5 airlines that operate flights from Key Largo to St. Maarten. 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 juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$181Average$249FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$228Average$298FlexibilityNo cancel feeOn-time65%
DeltaCheapest$260Average$764FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$302Average$563FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$438Average$746FlexibilityNo cancel feeOn-time62%

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