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Cheap flights from London Heathrow Airport to Saint Martin Island from £450

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
7 Apr — 14 Apr1
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 2 April 2025.

Round-trip from

£689

One-way from

£450

Popular in

December

Cheapest in

March

Average price

£784
Delta
  • Delta
  • 8/5-15/5
  • 4 total stops
  • 55h 40m total
  • London to Saint Martin Island
7/4
  • 7/4
  • 3 total stops
  • 49h 50m total
  • London to Saint Martin Island
Highest demand for flights based on searches. 8% potential increase in price (£60 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£31 potential savings vs. average return price).
Average for round-trip flights in April 2025

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 2 April 2025.

Sat 5/414:05LHR - SXM
1 stop29h 45mAir Canada
Sat 12/416:45SXM - LHR
1 stop32h 50mAir Canada
Deal found 1/4£661
Thu 8/518:50LHR - SXM
2 stops24h 04mDelta
Thu 15/515:19SXM - LHR
1 stop17h 11mDelta
Deal found 2/4£689
Thu 8/512:15LHR - SXM
1 stop30h 04mAmerican Airlines
Thu 15/515:24SXM - LHR
1 stop14h 11mAmerican Airlines
Deal found 2/4£724
Fri 2/506:15LHR - SXM
1 stop13h 20mAir France
Wed 11/615:40SXM - LHR
1 stop21h 55mAir France
Deal found 2/4£772
Wed 9/419:05LHR - SXM
2 stops25h 19mFinnair
Mon 12/515:24SXM - LHR
2 stops23h 21mFinnair
Deal found 1/4£786
Fri 16/512:45LHR - SXM
3 stops30h 15mMultiple Airlines
Fri 23/511:35SXM - LHR
2 stops27h 25mMultiple Airlines
Deal found 1/4£800
Fri 16/520:55LHR - SXM
2 stops21h 40mKLM
Fri 23/514:20SXM - LHR
2 stops25h 35mKLM
Deal found 1/4£875

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 2 April 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

Thu 8/5

18:50-13:54

2 stops24h 04m

Simpson Bay Princess Juliana

Thu 15/5

15:19-13:30

1 stop17h 11m

£689

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 8/5

12:15-13:19

1 stop30h 04m

Simpson Bay Princess Juliana

Thu 15/5

15:24-10:35

1 stop14h 11m

£724

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 2/5

06:15-14:35

1 stop13h 20m

Simpson Bay Princess Juliana

Wed 11/6

15:40-18:35

1 stop21h 55m

£772

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 16/5

12:45-14:00

3 stops30h 15m

Simpson Bay Princess Juliana

Fri 23/5

11:35-20:00

2 stops27h 25m

£800

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 18/4

15:00-11:05

1 stop25h 05m

Simpson Bay Princess Juliana

Fri 16/5

14:24-10:35

1 stop15h 11m

£838

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 16/5

20:55-13:35

2 stops21h 40m

Simpson Bay Princess Juliana

Fri 23/5

14:20-20:55

2 stops25h 35m

£875

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 7/4

18:10-15:00

3 stops49h 50m

£450

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 7/4

17:10-13:00

1 stop24h 50m

£1,053

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 7/4

06:15-13:35

1 stop12h 20m

£1,692

Flights are sorted by cheapest return flights first.

Deals found on 2/4

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 2 April 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 2 April 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from London to Saint Martin Island by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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
8.0
Very Good

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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

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.

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 2 April 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£547Average£779FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest£548Average£637FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£628Average£929FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£661Average£698FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest£669Average£845FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£681Average£884FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£700Average£848FlexibilityNo 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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