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Cheap flights from London Heathrow Airport to Saint Martin Island from £476

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 21/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
13 Jul — 20 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 13 June 2026.

Sun 6/915:15
LHR
-
SXM
1 stop27h 38m
Delta
Sat 19/915:20
SXM
-
LHR
2 stops23h 50m
Delta
Deal found 11/6£717
Wed 26/818:35
LHR
-
SXM
2 stops24h 18m
Delta
Wed 23/915:20
SXM
-
LHR
2 stops23h 50m
Delta
Deal found 10/6£726
Wed 4/1114:30
LHR
-
SXM
1 stop29h 50m
American Airlines
Sun 22/1114:51
SXM
-
LHR
1 stop16h 49m
American Airlines
Deal found 10/6£726
Tue 20/1009:55
LHR
-
SXM
1 stop32h 20m
American Airlines
Fri 20/1115:20
SXM
-
LHR
1 stop16h 10m
American Airlines
Deal found 8/6£727
Fri 9/1012:25
LHR
-
SXM
2 stops30h 24m
Delta
Mon 12/1015:14
SXM
-
LHR
1 stop17h 01m
Delta
Deal found 9/6£728
Tue 20/1014:05
LHR
-
SXM
2 stops55h 55m
Air Canada
Fri 20/1115:35
SXM
-
LHR
1 stop15h 45m
Air Canada
Deal found 8/6£729
Mon 19/1019:25
LHR
-
SXM
2 stops22h 50m
American Airlines
Mon 26/1016:30
SXM
-
LHR
1 stop15h 00m
American Airlines
Deal found 12/6£734
Fri 9/1018:05
LHR
-
SXM
2 stops23h 55m
American Airlines
Mon 12/1014:50
SXM
-
LHR
2 stops16h 20m
American Airlines
Deal found 9/6£735
Thu 19/1118:00
LHR
-
SXM
1 stop24h 35m
Air Canada
Sat 28/1115:10
SXM
-
LHR
1 stop36h 00m
Air Canada
Deal found 11/6£735
Thu 26/1117:50
LHR
-
SXM
2 stops48h 20m
Air Canada
Mon 30/1115:35
SXM
-
LHR
1 stop34h 55m
Air Canada
Deal found 9/6£741

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 13 June 2026.

Round-trip from

£715

One-way from

£476

Popular in

July

Cheapest in

January

Average price

£957
Delta
  • Delta
  • 11/9-26/9
  • 2 total stops
  • 44h 25m total
  • London to Saint Martin Island
Search Deals
21/11
  • 21/11
  • 2 total stops
  • 37h 21m total
  • London to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£86 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% 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 13 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

Sun 6/9

17:45-13:53

2 stops25h 08m

Simpson Bay Princess Juliana

Wed 16/9

15:20-20:10

2 stops23h 50m

£717

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 30/8

15:15-13:53

1 stop27h 38m

Simpson Bay Princess Juliana

Sun 27/9

15:20-13:15

1 stop16h 55m

£717

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 9/11

10:45-14:45

1 stop32h 00m

Simpson Bay Princess Juliana

Tue 24/11

16:10-11:40

1 stop15h 30m

£717

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 1/9

20:05-13:53

2 stops22h 48m

Simpson Bay Princess Juliana

Sat 19/9

15:20-06:20

2 stops34h 00m

£717

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 3/9

13:40-13:53

2 stops29h 13m

Simpson Bay Princess Juliana

Fri 18/9

15:20-20:10

2 stops23h 50m

£717
Fastest return journey

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 7/11

15:50-14:49

1 stop26h 59m

Simpson Bay Princess Juliana

Tue 24/11

16:10-11:40

1 stop15h 30m

£717

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 3/9

20:05-13:53

2 stops22h 48m

Simpson Bay Princess Juliana

Sat 19/9

15:20-06:20

2 stops34h 00m

£717

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 5/9

20:05-13:53

2 stops22h 48m

Simpson Bay Princess Juliana

Fri 18/9

15:20-06:20

2 stops34h 00m

£717

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 29/8

20:05-13:53

2 stops46h 48m

Simpson Bay Princess Juliana

Sun 27/9

15:20-11:20

1 stop15h 00m

£717

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 26/11

17:50-14:10

2 stops48h 20m

Simpson Bay Princess Juliana

Mon 30/11

15:35-20:35

2 stops49h 00m

£743

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 19 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 £479). 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 13 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
1,527 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

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
1,527 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

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
1,408 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

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
7.5
Good
1,603 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

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
11,649 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

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
1,527 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

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 fly from London Heathrow Airport to Saint Martin Island in about 25h 08m. 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.

  • 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 (£740).

  • 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 £479). 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

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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 13 June 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£479Average£667FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£509Average£1,096FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£656Average£1,042FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£674Average£1,113FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£689Average£904FlexibilityNo cancel feeOn-time76%
Search Finnair flights
DeltaCheapest£690Average£837FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest£698Average£854FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£729Average£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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