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Cheap flights from London Heathrow Airport to Saint Martin Island from £793

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

£793

Popular in

December

Cheapest in

March

Average price

£915
American Airlines
  • American Airlines
  • 7/10-13/10
  • 2 total stops
  • 42h 39m total
  • London to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Heathrow to Saint Martin Island

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 July 2025.

Tue 7/1013:40LHR - SXM
1 stop28h 54mAmerican Airlines
Mon 13/1014:40SXM - LHR
1 stop13h 45mAmerican Airlines
Deal found 9/7£793
Sun 24/815:05LHR - SXM
3 stops27h 55mMultiple Airlines
Sun 31/820:35SXM - LHR
3 stops30h 30mMultiple Airlines
Deal found 10/7£804
Wed 10/920:55LHR - SXM
2 stops21h 40mKLM
Fri 19/914:20SXM - LHR
2 stops15h 25mKLM
Deal found 9/7£823
Sun 24/817:25LHR - SXM
1 stop25h 20mDelta
Sun 31/815:21SXM - LHR
1 stop17h 09mDelta
Deal found 10/7£846
Mon 25/817:00LHR - SXM
2 stops26h 31mBritish Airways
Mon 1/914:15SXM - LHR
1 stop13h 50mBritish Airways
Deal found 10/7£879
Mon 25/820:10LHR - SXM
2 stops22h 20mFinnair
Mon 1/914:45SXM - LHR
2 stops25h 55mFinnair
Deal found 11/7£886

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 July 2025.
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

Tue 7/10

13:40-13:34

1 stop28h 54m

Simpson Bay Princess Juliana

Mon 13/10

14:40-09:25

1 stop13h 45m

£793

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 24/8

15:05-14:00

3 stops27h 55m

Simpson Bay Princess Juliana

Sun 31/8

20:35-08:05

3 stops30h 30m

£804

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 10/9

20:55-13:35

2 stops21h 40m

Simpson Bay Princess Juliana

Fri 19/9

14:20-10:45

2 stops15h 25m

£823

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 24/8

20:10-13:45

2 stops22h 35m

Simpson Bay Princess Juliana

Sun 31/8

15:21-13:30

1 stop17h 09m

£846

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 25/8

17:00-14:31

2 stops26h 31m

Simpson Bay Princess Juliana

Mon 1/9

14:15-09:05

1 stop13h 50m

£879

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 25/8

20:10-13:30

2 stops22h 20m

Simpson Bay Princess Juliana

Mon 1/9

14:45-21:40

2 stops25h 55m

£886

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Saint Martin Island (average of £826). Flying from London Heathrow Airport to Saint Martin Island in December is currently the most expensive (average of £1,258). 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.

What is the cheapest time of day to fly from LHR to SCH?

Find hourly flight availability from Heathrow to Saint Martin Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

When flying from London Heathrow Airport to Saint Martin Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 2025.
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
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Finnair
7.6
Good
1,312 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
British Airways
6.6
Okay
7,109 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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.

  • 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Saint Martin Island (average of £826). Flying from London Heathrow Airport to Saint Martin Island in December is currently the most expensive (average of £1,258). 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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Heathrow to Castries flights
London City to Oranjestad flights
Gatwick to Pointe-à-Pitre flights
Stansted to Nassau flights
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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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£520Average£740FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest£521Average£602FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£597Average£891FlexibilityNo cancel feeOn-time77%
Search Air France flights
DeltaCheapest£636Average£806FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£640Average£670FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£648Average£815FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£650Average£1,013FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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