Cheap flights from London Heathrow Airport to Saint Martin Island from £395

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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 7 November 2025.

Round-trip from

£719

One-way from

£395

Popular in

December

Cheapest in

March

Average price

£775
American Airlines
  • American Airlines
  • 25/4-5/5
  • 4 total stops
  • 40h 20m total
  • London to Saint Martin Island
26/3
  • 26/3
  • 2 total stops
  • 47h 40m total
  • London to Saint Martin Island
Highest demand for flights based on searches. 9% potential increase in price (£66 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£33 potential savings vs. average return price).
Average for round-trip flights in November 2025

Find 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 7 November 2025.

Fri 5/1216:10LHR - SXM
1 stop25h 50mDelta
Thu 2/412:45SXM - LHR
1 stop19h 45mDelta
Deal found 6/11£720
Tue 30/1208:55LHR - SXM
1 stop31h 23mDelta
Sat 10/116:20SXM - LHR
1 stop13h 55mDelta
Deal found 5/11£722
Fri 5/1211:15LHR - SXM
1 stop31h 05mAmerican Airlines
Thu 2/415:10SXM - LHR
1 stop14h 55mAmerican Airlines
Deal found 6/11£726
Wed 10/1206:20LHR - SXM
1 stop12h 40mAir France
Mon 12/116:30SXM - LHR
1 stop11h 30mAir France
Deal found 6/11£777
Sat 13/1214:45LHR - SXM
1 stop27h 13mAmerican Airlines
Sat 27/1217:33SXM - LHR
1 stop14h 32mAmerican Airlines
Deal found 6/11£788
Wed 10/1219:10LHR - SXM
2 stops23h 10mAmerican Airlines
Mon 12/115:50SXM - LHR
2 stops16h 40mAmerican Airlines
Deal found 6/11£795
Mon 8/1208:05LHR - SXM
1 stop34h 12mJetBlue
Sun 14/1217:49SXM - LHR
1 stop22h 56mJetBlue
Deal found 5/11£800

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 7 November 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

Fri 5/12

16:10-14:00

1 stop25h 50m

Simpson Bay Princess Juliana

Thu 2/4

12:45-13:30

1 stop19h 45m

£720

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 30/12

08:55-12:18

1 stop31h 23m

Simpson Bay Princess Juliana

Sat 10/1

17:28-20:10

2 stops22h 42m

£722

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 5/12

11:15-14:20

1 stop31h 05m

Simpson Bay Princess Juliana

Thu 2/4

15:10-11:05

1 stop14h 55m

£726

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 23/1

13:25-16:00

2 stops30h 35m

Simpson Bay Princess Juliana

Sun 25/1

15:40-06:30

2 stops34h 50m

£739

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 13/2

18:00-14:40

2 stops48h 40m

Simpson Bay Princess Juliana

Sun 22/2

15:40-07:10

1 stop35h 30m

£771

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 13/12

14:45-13:58

1 stop27h 13m

Simpson Bay Princess Juliana

Sat 27/12

17:33-12:05

1 stop14h 32m

£788

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 10/12

19:10-14:20

2 stops23h 10m

Simpson Bay Princess Juliana

Mon 12/1

15:50-12:30

2 stops16h 40m

£795

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 26/3

15:15-10:55

2 stops47h 40m

£395

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 16/12

08:15-14:15

3 stops34h 00m

£423

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 24/3

06:00-08:30

3 stops30h 30m

£434

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 16 results
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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Saint Martin Island (average of £553). Flying from London Heathrow Airport to Saint Martin Island in July is currently the most expensive (average of £837). 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 7 November 2025.

It’s optimal to fly from London Heathrow Airport to Saint Martin Island at midday. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from London Heathrow Airport to Saint Martin Island?

Use this chart to determine the cheapest time to fly return from Heathrow to Saint Martin Island. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Saint Martin Island flight should consider departing on Monday at midday when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 7 November 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.

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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, American Airlines, and Air Canada fly from London Heathrow Airport to Saint Martin Island in about 25h 50m. The time it takes to get you to your destination can typically vary by up to 5h 15m. 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.

  • 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 £553). Flying from London Heathrow Airport to Saint Martin Island in July is currently the most expensive (average of £837). 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.

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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£526Average£628FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£584Average£817FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air FranceCheapest£621Average£1,067FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£658Average£875FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£661Average£834FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£662Average£762FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£675Average£1,102FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£706Average£892FlexibilityNo cancel feeOn-time76%
Search Finnair 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?

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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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