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Cheap flights from London Heathrow Airport to Saint Martin Island from £355

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
20 Jan — 27 Jan1
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 21 December 2025.

Mon 29/1213:00LHR - SXM
2 stops29h 50mDelta
Sat 10/116:20SXM - LHR
1 stop23h 50mDelta
Deal found 20/12£720
Mon 29/1213:00LHR - SXM
1 stop31h 00mAir Canada
Sat 10/117:00SXM - LHR
1 stop14h 20mAir Canada
Deal found 20/12£861
Tue 30/1216:10LHR - SXM
1 stop24h 08mDelta
Sat 10/116:20SXM - LHR
1 stop23h 50mDelta
Deal found 19/12£882
Wed 31/1212:00LHR - SXM
2 stops56h 00mAir Canada
Sat 15/815:20SXM - LHR
2 stops58h 10mAir Canada
Deal found 20/12£966
Wed 24/1213:25LHR - SXM
1 stop29h 15mAir Canada
Tue 6/115:40SXM - LHR
2 stops48h 55mAir Canada
Deal found 19/12£996
Wed 31/1214:45LHR - SXM
1 stop27h 14mBritish Airways
Fri 14/816:09SXM - LHR
2 stops34h 56mBritish Airways
Deal found 20/12£1,035
Wed 31/1211:15LHR - SXM
1 stop31h 11mAmerican Airlines
Sat 15/814:22SXM - LHR
1 stop13h 43mAmerican Airlines
Deal found 20/12£1,040
Wed 31/1211:15LHR - SXM
1 stop29h 21mAmerican Airlines
Fri 14/814:22SXM - LHR
1 stop17h 08mAmerican Airlines
Deal found 20/12£1,073

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 21 December 2025.

Round-trip from

£481

One-way from

£355

Popular in

December

Cheapest in

February

Average price

£1,286
JetBlue
  • JetBlue
  • 19/1-28/1
  • 2 total stops
  • 56h 05m total
  • London to Saint Martin Island
Search Deals
JetBlue
  • JetBlue
  • 8/3
  • 1 total stop
  • 29h 51m total
  • London to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£65 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 21 December 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

Mon 2/2

09:00-14:40

2 stops33h 40m

Simpson Bay Princess Juliana

Mon 9/2

17:00-13:00

2 stops40h 00m

£612

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 16/1

18:00-16:00

1 stop26h 00m

Simpson Bay Princess Juliana

Sun 25/1

15:40-07:10

1 stop35h 30m

£630

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 14/1

13:45-16:00

2 stops54h 15m

Simpson Bay Princess Juliana

Thu 22/1

15:40-20:35

2 stops24h 55m

£637

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 14/1

13:45-16:00

2 stops54h 15m

Simpson Bay Princess Juliana

Tue 20/1

15:40-20:35

2 stops24h 55m

£637

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 19/1

18:00-14:40

2 stops24h 40m

Simpson Bay Princess Juliana

Wed 28/1

17:00-08:30

1 stop35h 30m

£641

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 18/1

18:00-16:00

1 stop26h 00m

Simpson Bay Princess Juliana

Tue 24/2

15:40-07:10

1 stop35h 30m

£642

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 18/1

09:00-14:40

2 stops57h 40m

Simpson Bay Princess Juliana

Thu 29/1

15:40-07:10

1 stop35h 30m

£649

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 16/1

09:00-14:40

2 stops57h 40m

Simpson Bay Princess Juliana

Mon 26/1

17:00-20:35

2 stops23h 35m

£650

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 8/3

12:20-14:11

1 stop29h 51m

£355

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 8/3

14:50-14:17

2 stops27h 27m

£376

Flights are sorted by cheapest return flights first.

Deals found on 19/12

Showing 1-10 of 15 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 £540). Flying from London Heathrow Airport to Saint Martin Island in July is currently the most expensive (average of £819). 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 21 December 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 21 December 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
7.9
Good
8,017 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Comfort

7.9

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.
Delta
7.9
Good
8,017 reviews
Delta
7.9
Good
8,017 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Comfort

7.9

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.
KLM
7.7
Good
1,429 reviews
Delta
7.9
Good
8,017 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Comfort

7.9

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.
Finnair
7.6
Good
1,339 reviews
Delta
7.9
Good
8,017 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Comfort

7.9

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.
Air France
7.4
Good
1,509 reviews
Delta
7.9
Good
8,017 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Comfort

7.9

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.
British Airways
6.7
Okay
7,601 reviews
Delta
7.9
Good
8,017 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Comfort

7.9

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 Air Canada fly from London Heathrow Airport to Saint Martin Island in about 33h 40m. 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.

  • 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 £540). Flying from London Heathrow Airport to Saint Martin Island in July is currently the most expensive (average of £819). 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.
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Heathrow to Providenciales flights
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Heathrow to Basseterre flights
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London City to Luis Munoz Marin Intl flights
Heathrow to Pointe-à-Pitre flights
Stansted to Santo Domingo flights
Heathrow to Havana flights
London City to Santo Domingo flights
Gatwick to Castries flights
Stansted to Luis Munoz Marin Intl flights

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 21 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£515Average£615FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£572Average£703FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air FranceCheapest£608Average£1,061FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£644Average£855FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£646Average£792FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£647Average£746FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£660Average£1,067FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£691Average£876FlexibilityNo cancel feeOn-time76%
Search Finnair 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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