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Cheap flights from London Heathrow Airport to Saint Martin Island from £328

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
30 Apr — 7 May1
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 31 March 2026.

Sat 9/508:15
LHR
-
SXM
1 stop34h 12m
JetBlue
Thu 21/515:14
SXM
-
LHR
1 stop24h 31m
JetBlue
Deal found 26/3£715
Sat 18/411:20
LHR
-
SXM
2 stops31h 45m
Delta
Sat 16/515:35
SXM
-
LHR
1 stop13h 45m
Delta
Deal found 31/3£720
Mon 6/409:40
LHR
-
SXM
2 stops30h 49m
Delta
Mon 5/1015:20
SXM
-
LHR
2 stops34h 25m
Delta
Deal found 30/3£721
Mon 6/409:40
LHR
-
SXM
2 stops30h 49m
Delta
Sun 4/1015:20
SXM
-
LHR
1 stop16h 55m
Delta
Deal found 28/3£724
Wed 4/1115:50
LHR
-
SXM
1 stop26h 59m
Delta
Wed 18/1116:10
SXM
-
LHR
1 stop34h 15m
Delta
Deal found 27/3£726
Sat 11/416:55
LHR
-
SXM
2 stops27h 27m
British Airways
Wed 15/416:35
SXM
-
LHR
2 stops33h 20m
British Airways
Deal found 31/3£731
Thu 5/1117:05
LHR
-
SXM
2 stops25h 12m
American Airlines
Fri 13/1117:24
SXM
-
LHR
1 stop14h 06m
American Airlines
Deal found 27/3£735
Fri 24/412:25
LHR
-
SXM
2 stops30h 40m
Delta
Tue 5/515:30
SXM
-
LHR
1 stop13h 50m
Delta
Deal found 27/3£738
Mon 6/417:35
LHR
-
SXM
2 stops26h 47m
American Airlines
Sat 3/1014:40
SXM
-
LHR
1 stop16h 30m
American Airlines
Deal found 31/3£739

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 31 March 2026.

Round-trip from

£715

One-way from

£328

Popular in

July

Cheapest in

September

Average price

£699
JetBlue
  • JetBlue
  • 9/5-21/5
  • 2 total stops
  • 58h 43m total
  • London to Saint Martin Island
Search Deals
18/5
  • 18/5
  • 2 total stops
  • 46h 55m total
  • London to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£106 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 31 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

Sat 18/4

11:20-14:05

2 stops31h 45m

Simpson Bay Princess Juliana

Sat 16/5

15:35-10:20

1 stop13h 45m

£720

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 12/4

16:50-14:05

2 stops26h 15m

Simpson Bay Princess Juliana

Wed 15/4

13:35-20:10

2 stops25h 35m

£721

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 18/4

10:45-12:10

2 stops30h 25m

Simpson Bay Princess Juliana

Wed 22/4

15:30-12:05

1 stop15h 35m

£721

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 9/9

15:50-13:50

2 stops27h 00m

Simpson Bay Princess Juliana

Mon 28/9

15:20-13:15

1 stop16h 55m

£721

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 26/4

15:50-14:05

2 stops27h 15m

Simpson Bay Princess Juliana

Thu 30/4

13:35-12:10

2 stops17h 35m

£724

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 24/4

12:25-14:05

2 stops30h 40m

Simpson Bay Princess Juliana

Tue 5/5

15:30-10:20

1 stop13h 50m

£738

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 21/4

19:25-13:20

2 stops22h 55m

Simpson Bay Princess Juliana

Sun 26/4

12:41-09:00

1 stop15h 19m

£752

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 22/4

19:25-13:20

2 stops22h 55m

Simpson Bay Princess Juliana

Wed 13/5

14:21-12:35

1 stop17h 14m

£754
Fastest return journey

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 27/4

18:35-12:10

1 stop22h 35m

Simpson Bay Princess Juliana

Mon 4/5

15:30-10:20

1 stop13h 50m

£880

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 22/4

12:50-14:05

2 stops30h 15m

Simpson Bay Princess Juliana

Wed 13/5

15:20-14:35

2 stops18h 15m

£886

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 20 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 £504). Flying from London Heathrow Airport to Saint Martin Island in July is currently the most expensive (average of £824). 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 31 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
1,480 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.6

Food

7.3

Overall

7.8

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
1,480 reviews
KLM
7.8
Good
1,480 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.6

Food

7.3

Overall

7.8

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
1,376 reviews
KLM
7.8
Good
1,480 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.6

Food

7.3

Overall

7.8

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
1,558 reviews
KLM
7.8
Good
1,480 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.6

Food

7.3

Overall

7.8

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
2,906 reviews
KLM
7.8
Good
1,480 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.6

Food

7.3

Overall

7.8

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
11,542 reviews
KLM
7.8
Good
1,480 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.6

Food

7.3

Overall

7.8

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 45m. 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 £504). Flying from London Heathrow Airport to Saint Martin Island in July is currently the most expensive (average of £824). 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

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

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 31 March 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£486Average£676FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
KLMCheapest£659Average£1,090FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£672Average£832FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£686Average£1,148FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£699Average£865FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£700Average£828FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£702Average£891FlexibilityNo 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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