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Saint Martin Island

$168+ Cheap flights from Charleston (CHS) to Saint Martin Island

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SXM
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Charleston to Saint Martin Island

Keep the following information in mind while searching for Charleston to Saint Martin Island flight deals. Data was last updated September 16, 2025.

Round-trip from

$371
(Kiwi.com)

One-way from

$168
(Expedia)

Popular in

May

Cheapest in

September

Average price

$556
From Charleston to Saint Martin Island
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One-way flight from Charleston to Saint Martin Island
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Highest demand for flights based on searches. 13% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Charleston to Saint Martin Island

Cheapest flights from Charleston to Saint Martin Island
Explore the most affordable flight options available from Charleston to Saint Martin Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 12/45:40 pmCHS - SXM
1 stop20h 30mSpirit Airlines
Mon 12/84:28 pmSXM - CHS
1 stop19h 17mSpirit Airlines
Deal found 9/16$371
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:08 pmCHS - SXM
1 stop25h 52mMultiple Airlines
Sun 10/58:35 pmSXM - CHS
2 stops21h 38mMultiple Airlines
Deal found 9/14$403
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 11/135:40 pmCHS - SXM
1 stop20h 30mMultiple Airlines
Mon 11/174:28 pmSXM - CHS
2 stops31h 15mMultiple Airlines
Deal found 9/15$417
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 11/136:00 amCHS - SXM
1 stop9h 22mAmerican Airlines
Mon 11/173:20 pmSXM - CHS
1 stop9h 39mAmerican Airlines
Deal found 9/15$523
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:53 pmCHS - SXM
1 stop16h 59mAmerican Airlines
Fri 12/191:39 pmSXM - CHS
1 stop12h 06mAmerican Airlines
Deal found 9/14$536
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:25 amCHS - SXM
1 stop8h 30mDelta
Wed 11/264:20 pmSXM - CHS
1 stop7h 28mDelta
Deal found 9/13$559
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:27 amCHS - SXM
1 stop5h 58mAmerican Airlines
Sat 12/205:04 pmSXM - CHS
1 stop16h 31mAmerican Airlines
Deal found 9/14$561
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 12/137:53 pmCHS - SXM
1 stop17h 05mAmerican Airlines
Sat 12/205:33 pmSXM - CHS
1 stop8h 12mAmerican Airlines
Deal found 9/15$563

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston to Saint Martin Island 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 September 16, 2025.
Use the filters below to find and compare flights from Charleston to Saint Martin Island that are best for you.

Fly from

Charleston

Fly to

Saint Martin Island

Route

Depart

Return

Price

CharlestonSimpson Bay

CHS - SXM

CHSSXM

Charleston

Thu 10/2

12:08 pm-2:00 pm

1 stop25h 52m

Simpson Bay Princess Juliana

Sun 10/5

8:35 pm-6:13 pm

2 stops21h 38m

$403

CharlestonSimpson Bay

CHS - SXM

CHSSXM

Charleston

Thu 11/13

5:40 pm-3:10 pm

1 stop20h 30m

Simpson Bay Princess Juliana

Mon 11/17

4:28 pm-10:43 pm

2 stops31h 15m

$417

CharlestonSimpson Bay

CHS - SXM

CHSSXM

Charleston

Thu 11/13

6:00 am-4:22 pm

1 stop9h 22m

Simpson Bay Princess Juliana

Mon 11/17

3:20 pm-11:59 pm

1 stop9h 39m

$523

CharlestonSimpson Bay

CHS - SXM

CHSSXM

Charleston

Sun 12/14

7:53 pm-1:52 pm

1 stop16h 59m

Simpson Bay Princess Juliana

Fri 12/19

1:39 pm-12:45 am

1 stop12h 06m

$536

CharlestonSimpson Bay

CHS - SXM

CHSSXM

Charleston

Mon 2/16

5:30 am-2:56 pm

1 stop8h 26m

Simpson Bay Princess Juliana

Thu 3/5

1:45 pm-10:03 pm

1 stop9h 18m

$558

CharlestonSimpson Bay

CHS - SXM

CHSSXM

Charleston

Tue 2/10

5:30 am-2:56 pm

1 stop8h 26m

Simpson Bay Princess Juliana

Thu 3/5

1:45 pm-10:03 pm

1 stop9h 18m

$558

CharlestonSimpson Bay

CHS - SXM

CHSSXM

Charleston

Tue 11/25

5:25 am-2:55 pm

1 stop8h 30m

Simpson Bay Princess Juliana

Wed 11/26

4:20 pm-10:48 pm

1 stop7h 28m

$559

CharlestonSimpson Bay

CHS - SXM

CHSSXM

Charleston

Tue 11/25

5:25 am-2:55 pm

1 stop8h 30m

Simpson Bay Princess Juliana

Thu 11/27

4:20 pm-10:48 pm

1 stop7h 28m

$559

CharlestonSimpson Bay

CHS - SXM

CHSSXM

Charleston

Sun 1/18

11:30 am-3:05 pm

1 stop26h 35m

$168

CharlestonSimpson Bay

CHS - SXM

CHSSXM

Charleston

Tue 2/17

4:43 pm-3:05 pm

1 stop21h 22m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
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Best time to book a flight from Charleston to Saint Martin Island

Have a flexible travel schedule? Discover the best time to fly to Saint Martin Island from Charleston 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 Charleston to Saint Martin Island

What is the cheapest month to book a flight from Charleston to Saint Martin Island?

Currently, September is the cheapest month in which you can book a flight from Charleston to Saint Martin Island (average of $459). Flying from Charleston to Saint Martin Island in March is currently the most expensive (average of $652). 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 CHS to SCH?

Find hourly flight availability from Charleston to Saint Martin Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Charleston to Saint Martin Island as you normally would.

Reviews of airlines servicing Saint Martin Island

Get insights into the airlines that provide service to Saint Martin Island. 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 Saint Martin Island. Reviews last updated September 16, 2025.
Read through reviews of airlines operating flights from Charleston to Saint Martin Island, such as Delta, American Airlines, and Spirit Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,019 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Charleston to Saint Martin Island. 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 Charleston to Saint Martin Island?

    Most people fly from Charleston (CHS) if they book a flight from Charleston to Saint Martin Island. Charleston is conveniently located just 10.2 mi from Charleston’s city center.

  • How long is the flight from Charleston to Saint Martin Island?

    For as low as $523, American Airlines can have you in Saint Martin Island from Charleston in 9h 22m. There are 1467 mi between Charleston and Saint Martin Island.

  • What are the cheapest airlines to fly from Charleston to Saint Martin Island one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $168. However, be on the lookout for offers from Delta and Spirit Airlines, as they are both options that can get you from Charleston to Saint Martin Island for a low price.

  • Can I find deals for flights from Charleston to Saint Martin Island that include hotel bookings?

    Yes. In addition to deals on Charleston to Saint Martin Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to Saint Martin Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Saint Martin Island.

  • Can I find deals for business class flights from Charleston to Saint Martin Island?

    Yes. Cheapflights offers flight deals from Charleston to Saint Martin Island 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 Charleston to Saint Martin Island?

    Currently, September is the cheapest month in which you can book a flight from Charleston to Saint Martin Island (average of $459). Flying from Charleston to Saint Martin Island in March is currently the most expensive (average of $652). 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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Alternative routes for Charleston to Saint Martin Island

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Charleston to Saint Martin Island

Discover the top 3 airlines that operate flights from Charleston to Saint Martin Island. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$314Average$392FlexibilityNo cancel feeOn-time65%
DeltaCheapest$503Average$590FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$509Average$674FlexibilityNo cancel feeOn-time71%

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