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Cheap flights from London Heathrow Airport to Saint Martin Island from £384

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Saint Martin Island

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Saint Martin Island
Explore the most affordable flight options available from Heathrow to Saint Martin Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 March 2026.

Sat 9/508:15
LHR
-
SXM
1 stop34h 13m
JetBlue
Sat 16/516:40
SXM
-
LHR
1 stop35h 50m
JetBlue
Deal found 19/3£660
Tue 21/410:45
LHR
-
SXM
2 stops32h 20m
Delta
Fri 1/515:30
SXM
-
LHR
1 stop15h 35m
Delta
Deal found 20/3£717
Thu 23/409:40
LHR
-
SXM
2 stops31h 30m
Delta
Thu 30/413:35
SXM
-
LHR
2 stops25h 35m
Delta
Deal found 22/3£718
Sat 18/418:35
LHR
-
SXM
1 stop22h 35m
Delta
Sat 25/413:35
SXM
-
LHR
1 stop18h 40m
Delta
Deal found 21/3£720
Wed 30/1212:55
LHR
-
SXM
2 stops29h 55m
Delta
Sat 9/116:05
SXM
-
LHR
2 stops34h 45m
Delta
Deal found 23/3£723
Wed 22/416:55
LHR
-
SXM
2 stops27h 27m
British Airways
Wed 29/412:41
SXM
-
LHR
2 stops19h 09m
British Airways
Deal found 23/3£727
Wed 22/409:20
LHR
-
SXM
2 stops31h 50m
Delta
Wed 13/515:20
SXM
-
LHR
2 stops18h 15m
Delta
Deal found 19/3£729
Wed 22/415:00
LHR
-
SXM
1 stop29h 22m
American Airlines
Wed 13/514:24
SXM
-
LHR
1 stop16h 46m
American Airlines
Deal found 23/3£730
Wed 22/416:55
LHR
-
SXM
2 stops23h 42m
American Airlines
Fri 15/512:41
SXM
-
LHR
1 stop15h 19m
American Airlines
Deal found 23/3£734
Wed 25/314:30
LHR
-
SXM
1 stop28h 58m
American Airlines
Sun 5/416:28
SXM
-
LHR
1 stop15h 07m
American Airlines
Deal found 19/3£738

Find flight deals from Heathrow to Saint Martin Island

Keep the following information in mind while searching for Heathrow to Saint Martin Island flight deals. Data was last updated 24 March 2026.

Round-trip from

£660

One-way from

£384

Popular in

July

Cheapest in

September

Average price

£691
JetBlue
  • JetBlue
  • 9/5-16/5
  • 2 total stops
  • 70h 03m total
  • London to Saint Martin Island
Search Deals
9/4
  • 9/4
  • 2 total stops
  • 44h 25m total
  • London to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 858,174 searches. Data last updated 24 March 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Saint Martin Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 23/4

09:40-12:10

2 stops31h 30m

Simpson Bay Princess Juliana

Thu 30/4

15:30-10:20

1 stop13h 50m

£718

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 18/4

10:45-12:10

2 stops30h 25m

Simpson Bay Princess Juliana

Sat 25/4

13:35-13:15

1 stop18h 40m

£720

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 15/4

13:25-12:10

2 stops27h 45m

Simpson Bay Princess Juliana

Sat 25/4

13:35-13:15

1 stop18h 40m

£730

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 5/5

10:45-14:05

2 stops32h 20m

Simpson Bay Princess Juliana

Tue 12/5

15:20-20:10

2 stops23h 50m

£876

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 16/5

15:40-15:22

1 stop28h 42m

Simpson Bay Princess Juliana

Sun 31/5

16:43-06:55

1 stop33h 12m

£888

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 9/6

09:55-13:22

1 stop32h 27m

Simpson Bay Princess Juliana

Wed 16/9

14:50-06:55

1 stop35h 05m

£889

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 21/4

12:50-14:05

2 stops30h 15m

Simpson Bay Princess Juliana

Fri 1/5

13:35-20:10

2 stops25h 35m

£923
Fastest return journey

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 22/7

19:25-13:19

2 stops22h 54m

Simpson Bay Princess Juliana

Mon 3/8

13:40-12:50

2 stops18h 10m

£947

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 1/7

14:05-14:00

2 stops28h 55m

Simpson Bay Princess Juliana

Sat 18/7

15:05-06:30

2 stops34h 25m

£988
Cheapest one-way

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 12/4

22:05-13:30

2 stops44h 25m

£385

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Saint Martin Island

Have a flexible travel schedule? Discover the best time to fly to Saint Martin Island from Heathrow with our price prediction graph.
Estimated return 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 London Heathrow Airport to Saint Martin Island

What is the cheapest month to book a flight from London Heathrow Airport to Saint Martin Island?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Saint Martin Island (average of £499). Flying from London Heathrow Airport to Saint Martin Island in July is currently the most expensive (average of £815). 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.

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 24 March 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Saint Martin Island, such as KLM,Finnair, andAir France. 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.
KLM
7.8
Good
1,477 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,477 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Finnair
7.7
Good
1,374 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air France
7.4
Good
1,550 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
JetBlue
7.2
Good
2,904 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
American Airlines
7.1
Good
11,491 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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.

  • How long is the flight from London Heathrow Airport to Saint Martin Island?

    Airlines like Delta fly from London Heathrow Airport to Saint Martin Island in about 31h 30m. The time it takes to get you to your destination can typically vary by up to . London Heathrow Airport and Saint Martin Island are separated by a distance of 4077 mi.

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

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

  • How can I find direct flights from Heathrow 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 Heathrow to Saint Martin Island.

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

    Yes. Cheapflights offers flight deals from Heathrow 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 London Heathrow Airport to Saint Martin Island?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Saint Martin Island (average of £499). Flying from London Heathrow Airport to Saint Martin Island in July is currently the most expensive (average of £815). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Saint Martin Island

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Heathrow to Saint Martin Island

Discover the top 7 airlines that operate flights from Heathrow 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 858,174 searches. Data last updated 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£481Average£669FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
KLMCheapest£662Average£1,078FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£664Average£823FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£678Average£1,143FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£691Average£808FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£693Average£819FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£694Average£881FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Saint Martin Island?

Cheapflights makes it easy to find Heathrow to Saint Martin Island flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Saint Martin Island?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Saint Martin Island for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Saint Martin Island with no change fees?

Need flexible booking options for your flight to Saint Martin Island from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Saint Martin Island become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Saint Martin Island from Heathrow today and book when prices fit your budget.

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