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Cheap flights from London Heathrow Airport to Saint Martin Island from £344

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
21 Aug — 28 Aug1
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 22 July 2026.

Wed 2/908:15
LHR
-
SXM
1 stop30h 49m
JetBlue
Sun 6/911:20
SXM
-
LHR
1 stop28h 25m
JetBlue
Deal found 22/7£634
Wed 2/908:15
LHR
-
SXM
1 stop34h 39m
JetBlue
Sat 12/912:30
SXM
-
LHR
1 stop27h 15m
JetBlue
Deal found 20/7£635
Thu 3/911:55
LHR
-
SXM
1 stop27h 09m
JetBlue
Sun 13/914:45
SXM
-
LHR
1 stop25h 00m
JetBlue
Deal found 17/7£645
Tue 25/808:15
LHR
-
SXM
1 stop30h 49m
JetBlue
Tue 8/911:20
SXM
-
LHR
1 stop17h 10m
JetBlue
Deal found 19/7£676
Tue 1/908:15
LHR
-
SXM
1 stop30h 49m
JetBlue
Tue 8/911:20
SXM
-
LHR
1 stop17h 10m
JetBlue
Deal found 18/7£685
Sat 5/909:50
LHR
-
SXM
2 stops29h 14m
Multiple Airlines
Sun 13/914:43
SXM
-
LHR
2 stops20h 17m
Multiple Airlines
Deal found 21/7£695
Thu 22/1008:30
LHR
-
SXM
1 stop13h 30m
Air Canada
Thu 12/1115:45
SXM
-
LHR
1 stop35h 25m
Air Canada
Deal found 19/7£718
Wed 2/908:20
LHR
-
SXM
2 stops34h 33m
Delta
Sun 6/915:18
SXM
-
LHR
1 stop16h 57m
Delta
Deal found 22/7£719
Wed 11/1106:50
LHR
-
SXM
2 stops35h 55m
Air Canada
Mon 16/1116:45
SXM
-
LHR
1 stop14h 35m
Air Canada
Deal found 21/7£720
Sun 30/809:20
LHR
-
SXM
1 stop33h 33m
Delta
Thu 10/915:18
SXM
-
LHR
1 stop16h 57m
Delta
Deal found 20/7£720
Sat 5/916:05
LHR
-
SXM
2 stops26h 48m
Delta
Sat 19/915:18
SXM
-
LHR
1 stop16h 57m
Delta
Deal found 21/7£721

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 22 July 2026.

Round-trip from

£635

One-way from

£344

Popular in

July

Cheapest in

November

Average price

£1,067
JetBlue
  • JetBlue
  • 2/9-12/9
  • 2 total stops
  • 61h 54m total
  • London to Saint Martin Island
Search Deals
1/9
  • 1/9
  • 3 total stops
  • 46h 10m total
  • London to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 22 July 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 - SXM

LHRSXM

London Heathrow

Wed 2/9

10:45-13:53

2 stops32h 08m

Simpson Bay Princess Juliana

Wed 9/9

15:18-20:10

2 stops23h 52m

£720

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 5/9

16:05-13:53

2 stops26h 48m

Simpson Bay Princess Juliana

Sat 19/9

15:18-13:15

1 stop16h 57m

£721

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 6/9

11:15-13:53

1 stop31h 38m

Simpson Bay Princess Juliana

Thu 10/9

15:18-13:15

1 stop16h 57m

£722

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 5/9

11:15-13:53

1 stop31h 38m

Simpson Bay Princess Juliana

Thu 10/9

15:18-20:10

2 stops23h 52m

£722

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 4/9

15:15-13:53

1 stop27h 38m

Simpson Bay Princess Juliana

Wed 16/9

15:18-06:45

2 stops34h 27m

£722

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 31/8

18:55-13:53

2 stops47h 58m

Simpson Bay Princess Juliana

Wed 16/9

15:18-06:45

2 stops34h 27m

£724

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 5/9

15:15-13:53

1 stop27h 38m

Simpson Bay Princess Juliana

Sun 13/9

15:18-13:15

1 stop16h 57m

£753

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 16/8

09:40-13:53

2 stops33h 13m

Simpson Bay Princess Juliana

Sun 6/9

15:18-06:45

2 stops34h 27m

£877

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 8/8

15:00-13:42

1 stop27h 42m

Simpson Bay Princess Juliana

Sun 16/8

14:22-09:25

1 stop14h 03m

£982

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 14/8

19:50-14:14

1 stop23h 24m

Simpson Bay Princess Juliana

Fri 11/9

15:18-20:10

2 stops23h 52m

£984

Flights are sorted by cheapest return flights first.

Deals found on 18/7

Showing 1-10 of 18 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 £689). Flying from London Heathrow Airport to Saint Martin Island in September is currently the most expensive (average of £1,220). 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 24 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 22 July 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
1,544 reviews
Check prices

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

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
1,544 reviews
KLM
7.8
Good
1,544 reviews
Check prices

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

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
7.4
Good
1,628 reviews
KLM
7.8
Good
1,544 reviews
Check prices

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

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
11,831 reviews
KLM
7.8
Good
1,544 reviews
Check prices

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

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
11,371 reviews
KLM
7.8
Good
1,544 reviews
Check prices

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

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
3,019 reviews
KLM
7.8
Good
1,544 reviews
Check prices

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

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 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 . London Heathrow Airport and Saint Martin Island are separated by a distance of 4077 mi.

  • 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 (£465), Air Canada (£516), and Air France (£741).

  • 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 £689). Flying from London Heathrow Airport to Saint Martin Island in September is currently the most expensive (average of £1,220). 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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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 22 July 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£479Average£702FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£627Average£1,096FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£656Average£1,042FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£674Average£1,137FlexibilityNo cancel feeOn-time77%
Search Air France flights
DeltaCheapest£691Average£837FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£694Average£899FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£698Average£882FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£729Average£748FlexibilityNo 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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