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Cheap flights from London Heathrow Airport to Saint Martin Island from £425

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 27/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
6 Jul — 13 Jul1
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 6 June 2026.

Fri 4/919:50
LHR
-
SXM
2 stops23h 03m
Delta
Thu 10/915:20
SXM
-
LHR
2 stops34h 00m
Delta
Deal found 5/6£720
Wed 26/811:15
LHR
-
SXM
1 stop31h 38m
Delta
Thu 3/915:18
SXM
-
LHR
1 stop16h 57m
Delta
Deal found 4/6£721
Tue 8/918:05
LHR
-
SXM
2 stops24h 17m
American Airlines
Tue 15/914:22
SXM
-
LHR
2 stops23h 33m
American Airlines
Deal found 5/6£729
Wed 26/810:55
LHR
-
SXM
2 stops31h 58m
Delta
Sun 6/915:18
SXM
-
LHR
1 stop34h 07m
Delta
Deal found 4/6£733
Tue 8/909:55
LHR
-
SXM
1 stop32h 27m
American Airlines
Mon 14/914:22
SXM
-
LHR
2 stops24h 23m
American Airlines
Deal found 5/6£736
Sun 8/1115:00
LHR
-
SXM
1 stop27h 35m
Air Canada
Sat 14/1115:10
SXM
-
LHR
1 stop36h 00m
Air Canada
Deal found 5/6£741
Sun 6/911:15
LHR
-
SXM
1 stop31h 38m
Delta
Sat 12/915:20
SXM
-
LHR
1 stop16h 55m
Delta
Deal found 5/6£755
Tue 25/809:55
LHR
-
SXM
1 stop34h 44m
Multiple Airlines
Tue 8/916:39
SXM
-
LHR
1 stop33h 16m
Multiple Airlines
Deal found 4/6£760
Tue 14/708:15
LHR
-
SXM
1 stop30h 52m
JetBlue
Tue 21/711:22
SXM
-
LHR
1 stop17h 08m
JetBlue
Deal found 2/6£779

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 6 June 2026.

Round-trip from

£720

One-way from

£425

Popular in

July

Cheapest in

September

Average price

£877
Delta
  • Delta
  • 4/9-10/9
  • 4 total stops
  • 57h 03m total
  • London to Saint Martin Island
Search Deals
27/6
  • 27/6
  • 2 total stops
  • 35h 40m total
  • London to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£80 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 6 June 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

Wed 26/8

11:15-13:53

1 stop31h 38m

Simpson Bay Princess Juliana

Thu 3/9

15:18-13:15

1 stop16h 57m

£721

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 25/8

09:55-15:39

1 stop34h 44m

Simpson Bay Princess Juliana

Tue 8/9

16:39-06:55

1 stop33h 16m

£760

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 1/7

18:05-13:51

2 stops24h 46m

Simpson Bay Princess Juliana

Sat 18/7

12:40-12:10

1 stop18h 30m

£936

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 26/7

17:40-14:43

2 stops26h 03m

Simpson Bay Princess Juliana

Sat 8/8

18:00-09:35

1 stop34h 35m

£1,074

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 8/11

11:10-14:35

1 stop31h 25m

Simpson Bay Princess Juliana

Thu 12/11

15:10-07:10

1 stop36h 00m

£1,121
Fastest return journey

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 26/6

06:30-13:00

1 stop11h 30m

Simpson Bay Princess Juliana

Mon 6/7

15:30-07:55

1 stop11h 25m

£1,237

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 23/7

16:05-13:55

2 stops26h 50m

Simpson Bay Princess Juliana

Sun 9/8

15:18-08:50

2 stops36h 32m

£1,348

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 2/8

20:55-13:25

2 stops21h 30m

Simpson Bay Princess Juliana

Sun 6/9

14:20-13:45

3 stops18h 25m

£1,364
Cheapest one-way

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 3/7

21:10-14:20

2 stops46h 10m

£592

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 28/8

12:05-17:00

1 stop33h 55m

£642

Flights are sorted by cheapest return flights first.

Deals found on 1/6

Showing 1-10 of 18 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 £480). Flying from London Heathrow Airport to Saint Martin Island in June is currently the most expensive (average of £855). 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.

How far ahead should I book a flight from London Heathrow Airport to Saint Martin Island?

The price you pay for your flight from London Heathrow Airport to Saint Martin Island may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 6 June 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
1,526 reviews
Check prices

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,526 reviews
KLM
7.8
Good
1,526 reviews
Check prices

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Finnair
7.7
Good
1,402 reviews
KLM
7.8
Good
1,526 reviews
Check prices

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air France
7.4
Good
1,596 reviews
KLM
7.8
Good
1,526 reviews
Check prices

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
American Airlines
7.1
Good
11,651 reviews
KLM
7.8
Good
1,526 reviews
Check prices

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
JetBlue
7.1
Good
2,981 reviews
KLM
7.8
Good
1,526 reviews
Check prices

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 and American Airlines fly from London Heathrow Airport to Saint Martin Island in about 24h 46m. The time it takes to get you to your destination can typically vary by up to 6h 52m. London Heathrow Airport and Saint Martin Island are separated by a distance of 4077 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapet airlines for a one-way flight from London Heathrow Airport to Saint Martin Island are United Airlines (£465), Air Canada (£499), and Air France (£741).

  • 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 June is currently the most expensive (average of £855). 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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Heathrow to Oranjestad flights
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Gatwick to Scarborough flights
London City to Castries flights
Heathrow to Castries flights
Heathrow to Willemstad flights
London City to Luis Munoz Marin Intl flights
Stansted to Luis Munoz Marin Intl flights
Gatwick to Willemstad flights
Heathrow to Pointe-à-Pitre flights
Heathrow to Simpson Bay flights
London City to St. John's flights
London City to Oranjestad flights
Gatwick to Oranjestad flights

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 6 June 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£480Average£667FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£509Average£1,092FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£656Average£1,043FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£675Average£1,113FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£690Average£902FlexibilityNo cancel feeOn-time76%
Search Finnair flights
DeltaCheapest£691Average£837FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest£699Average£882FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£730Average£748FlexibilityNo cancel feeOn-time70%
Search British Airways 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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