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Cheap flights from London Heathrow Airport to Saint Martin Island from £415

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
10 Sep — 17 Sep1
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 11 August 2026.

Thu 10/908:15 -
1 stop34h 08m
Sun 20/914:43 -
1 stop25h 02m
Deal found 11/8£631
Thu 17/908:15 -
1 stop34h 08m
Mon 28/914:43 -
1 stop13h 47m
Deal found 7/8£660
Fri 25/911:55 -
1 stop28h 17m
Fri 2/1014:43 -
1 stop25h 02m
Deal found 11/8£671
Wed 7/1011:55 -
1 stop30h 30m
Wed 14/1014:45 -
1 stop25h 00m
Deal found 7/8£684
Thu 24/914:05 -
2 stops55h 55m
Thu 1/1018:00 -
2 stops31h 30m
Deal found 10/8£690
Wed 11/1113:00 -
1 stop29h 45m
Mon 16/1116:45 -
1 stop35h 45m
Deal found 9/8£700
Sun 13/908:15 -
1 stop34h 08m
Thu 17/914:43 -
1 stop25h 02m
Deal found 10/8£715

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 11 August 2026.

Round-trip from

£660

One-way from

£415

Popular in

July

Cheapest in

November

Average price

£821
JetBlue
  • JetBlue
  • 10/9-20/9
  • 2 total stops
  • 47h 55m total
  • London to Saint Martin Island
Search Deals
1/9
  • 1/9
  • 2 total stops
  • 46h 10m total
  • London to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 11 August 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 London Heathrow - SXM Simpson Bay Princess Juliana

LHRSXM

London Heathrow

Fri 25/9

10:45-13:53

2 stops32h 08m

Simpson Bay Princess Juliana

Fri 2/10

15:18-13:15

1 stop16h 57m

£718

LondonSimpson Bay

LHR London Heathrow - SXM Simpson Bay Princess Juliana

LHRSXM

London Heathrow

Thu 10/9

16:05-13:53

2 stops26h 48m

Simpson Bay Princess Juliana

Sun 20/9

15:18-13:15

1 stop16h 57m

£718

LondonSimpson Bay

LHR London Heathrow - SXM Simpson Bay Princess Juliana

LHRSXM

London Heathrow

Thu 12/11

18:00-14:45

2 stops48h 45m

Simpson Bay Princess Juliana

Mon 16/11

16:45-21:00

2 stops48h 15m

£726

LondonSimpson Bay

LHR London Heathrow - SXM Simpson Bay Princess Juliana

LHRSXM

London Heathrow

Wed 2/9

13:25-13:53

1 stop29h 28m

Simpson Bay Princess Juliana

Wed 23/9

15:18-13:15

1 stop16h 57m

£753

LondonSimpson Bay

LHR London Heathrow - SXM Simpson Bay Princess Juliana

LHRSXM

London Heathrow

Sun 13/9

09:20-13:53

1 stop33h 33m

Simpson Bay Princess Juliana

Thu 17/9

15:18-20:10

2 stops23h 52m

£984
Fastest return journey

LondonSimpson Bay

LHR London Heathrow - SXM Simpson Bay Princess Juliana

LHRSXM

London Heathrow

Fri 25/9

20:55-13:25

2 stops21h 30m

Simpson Bay Princess Juliana

Fri 2/10

14:20-13:45

3 stops18h 25m

£1,055

LondonSimpson Bay

LHR London Heathrow - SXM Simpson Bay Princess Juliana

LHRSXM

London Heathrow

Fri 6/11

22:40-11:30

3 stops40h 50m

Simpson Bay Princess Juliana

Mon 16/11

12:25-21:05

2 stops28h 40m

£1,102

LondonSimpson Bay

LHR London Heathrow - SXM Simpson Bay Princess Juliana

LHRSXM

London Heathrow

Fri 21/8

19:50-14:14

1 stop23h 24m

Simpson Bay Princess Juliana

Mon 31/8

15:18-13:15

1 stop16h 57m

£1,346

LondonSimpson Bay

LHR London Heathrow - SXM Simpson Bay Princess Juliana

LHRSXM

London Heathrow

Wed 6/1

14:30-16:28

1 stop29h 58m

Simpson Bay Princess Juliana

Sat 16/1

15:31-11:30

1 stop15h 59m

£1,552

LondonSimpson Bay

LHR London Heathrow - SXM Simpson Bay Princess Juliana

LHRSXM

London Heathrow

Mon 1/2

18:00-13:50

1 stop23h 50m

Simpson Bay Princess Juliana

Thu 4/2

14:52-21:20

1 stop26h 28m

£1,719

Flights are sorted by cheapest return flights first.

Deals found on 7/8

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 £684). Flying from London Heathrow Airport to Saint Martin Island in September is currently the most expensive (average of £1,212). 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 78 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 11 August 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Saint Martin Island, such as KLM,Air France, andAmerican Airlines. 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
1,557 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,557 reviews
KLM
7.8
Good
1,557 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Air France
7.5
Good
1,641 reviews
KLM
7.8
Good
1,557 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
American Airlines
7.1
Good
11,910 reviews
KLM
7.8
Good
1,557 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Air Canada
7.1
Good
11,463 reviews
KLM
7.8
Good
1,557 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
JetBlue
7.1
Good
3,035 reviews
KLM
7.8
Good
1,557 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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 Air Canada fly from London Heathrow Airport to Saint Martin Island in about 32h 08m. The time it takes to get you to your destination can typically vary by up to 16h 37m. 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 (£462), Air Canada (£512), and Air France (£735).

  • 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 £684). Flying from London Heathrow Airport to Saint Martin Island in September is currently the most expensive (average of £1,212). 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 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 11 August 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£476Average£667FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£623Average£1,084FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£652Average£1,035FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£670Average£1,134FlexibilityNo cancel feeOn-time77%
Search Air France flights
DeltaCheapest£686Average£831FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest£694Average£800FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£724Average£743FlexibilityNo 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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