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Cheap flights from London Heathrow Airport to Saint Martin Island from £406

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 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 January 2026.

Round-trip from

£614

One-way from

£406

Popular in

July

Cheapest in

March

Average price

£729
JetBlue
  • JetBlue
  • 21/4-28/4
  • 2 total stops
  • 58h 00m total
  • London to Saint Martin Island
Search Deals
21/2
  • 21/2
  • 3 total stops
  • 52h 02m total
  • London to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£101 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find 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 16 January 2026.

Tue 21/408:15
LHR
-
SXM
1 stop34h 55m
JetBlue
Tue 28/416:40
SXM
-
LHR
1 stop23h 05m
JetBlue
Deal found 15/1£614
Sun 10/511:55
LHR
-
SXM
1 stop30h 33m
JetBlue
Sat 16/516:40
SXM
-
LHR
1 stop23h 05m
JetBlue
Deal found 14/1£621
Tue 3/315:15
LHR
-
SXM
1 stop28h 35m
Multiple Airlines
Fri 13/318:35
SXM
-
LHR
1 stop15h 50m
Multiple Airlines
Deal found 15/1£624
Mon 2/208:05
LHR
-
SXM
1 stop34h 23m
JetBlue
Mon 16/216:25
SXM
-
LHR
1 stop34h 30m
JetBlue
Deal found 13/1£627
Fri 23/109:00
LHR
-
SXM
2 stops35h 00m
Air Canada
Sun 25/115:40
SXM
-
LHR
2 stops48h 55m
Air Canada
Deal found 13/1£634
Fri 20/1117:50
LHR
-
SXM
2 stops48h 50m
Air Canada
Sat 5/1217:15
SXM
-
LHR
1 stop14h 05m
Air Canada
Deal found 12/1£635
Fri 23/109:00
LHR
-
SXM
2 stops35h 00m
Air Canada
Wed 28/117:00
SXM
-
LHR
1 stop14h 20m
Air Canada
Deal found 13/1£638
Mon 26/113:25
LHR
-
SXM
1 stop29h 15m
Air Canada
Wed 4/217:00
SXM
-
LHR
1 stop35h 30m
Air Canada
Deal found 14/1£641
Sat 24/1012:40
LHR
-
SXM
2 stops30h 00m
Air Canada
Sat 14/1117:15
SXM
-
LHR
1 stop14h 05m
Air Canada
Deal found 14/1£645

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 16 January 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

Heathrow

Fly to

Saint Martin Island

Route

Depart

Return

Price

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 26/1

09:00-14:40

2 stops33h 40m

Simpson Bay Princess Juliana

Wed 4/2

17:00-07:10

2 stops34h 10m

£647

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 28/1

13:25-14:40

1 stop29h 15m

Simpson Bay Princess Juliana

Wed 4/2

17:00-07:10

2 stops34h 10m

£649

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 11/2

13:25-14:40

1 stop29h 15m

Simpson Bay Princess Juliana

Wed 18/2

17:00-08:30

1 stop35h 30m

£649

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 16/2

13:25-14:40

1 stop29h 15m

Simpson Bay Princess Juliana

Thu 26/2

15:40-06:30

2 stops34h 50m

£651

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 3/3

11:10-16:00

1 stop32h 50m

Simpson Bay Princess Juliana

Fri 13/3

16:00-07:10

2 stops59h 10m

£652

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 17/2

11:05-14:40

2 stops55h 35m

Simpson Bay Princess Juliana

Mon 23/2

17:00-07:10

2 stops34h 10m

£652

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 30/3

14:05-13:35

1 stop28h 30m

Simpson Bay Princess Juliana

Sun 5/4

14:40-10:00

1 stop14h 20m

£664

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 29/3

17:40-14:50

1 stop26h 10m

Simpson Bay Princess Juliana

Sun 5/4

14:40-10:00

1 stop14h 20m

£667

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 21/2

15:15-15:17

3 stops52h 02m

£406

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 20/2

14:50-14:15

3 stops51h 25m

£409

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 17 results
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 £480). Flying from London Heathrow Airport to Saint Martin Island in July is currently the most expensive (average of £813). 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 16 January 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Saint Martin Island, such as Delta, KLM, andFinnair. 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
7.9
Good
8,050 reviews
Check prices

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,050 reviews
Delta
7.9
Good
8,050 reviews
Check prices

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,440 reviews
Delta
7.9
Good
8,050 reviews
Check prices

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Finnair
7.6
Good
1,349 reviews
Delta
7.9
Good
8,050 reviews
Check prices

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air France
7.4
Good
1,522 reviews
Delta
7.9
Good
8,050 reviews
Check prices

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,679 reviews
Delta
7.9
Good
8,050 reviews
Check prices

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 Air Canada fly from London Heathrow Airport to Saint Martin Island in about 33h 40m. 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 £480). Flying from London Heathrow Airport to Saint Martin Island in July is currently the most expensive (average of £813). 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 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 8 airlines flying from Heathrow to Saint Martin Island

Discover the top 8 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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£479Average£671FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£513Average£609FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£644Average£802FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£645Average£790FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£646Average£748FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£655Average£1,072FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£660Average£1,075FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£692Average£878FlexibilityNo 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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