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Cheap flights from London Heathrow Airport to Saint Martin Island from £373

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
5 Mar — 12 Mar1
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 3 February 2026.

Wed 18/312:20
LHR
-
SXM
1 stop31h 07m
JetBlue
Wed 25/318:24
SXM
-
LHR
1 stop23h 16m
JetBlue
Deal found 1/2£567
Mon 2/309:20
LHR
-
SXM
1 stop31h 50m
JetBlue
Mon 16/318:24
SXM
-
LHR
1 stop23h 16m
JetBlue
Deal found 2/2£570
Tue 31/314:10
LHR
-
SXM
1 stop29h 40m
Air Canada
Mon 6/416:00
SXM
-
LHR
1 stop14h 50m
Air Canada
Deal found 1/2£662
Fri 20/306:20
LHR
-
SXM
1 stop12h 40m
Air France
Fri 27/316:30
SXM
-
LHR
1 stop14h 00m
Air France
Deal found 3/2£678
Mon 2/309:00
LHR
-
SXM
2 stops59h 00m
Air Canada
Mon 16/316:00
SXM
-
LHR
2 stops48h 35m
Air Canada
Deal found 2/2£684
Mon 16/209:00
LHR
-
SXM
2 stops33h 40m
Air Canada
Tue 24/215:40
SXM
-
LHR
2 stops24h 55m
Air Canada
Deal found 2/2£691
Wed 18/313:25
LHR
-
SXM
1 stop28h 15m
Air Canada
Wed 25/316:00
SXM
-
LHR
1 stop34h 30m
Air Canada
Deal found 1/2£696
Mon 14/908:15
LHR
-
SXM
1 stop34h 00m
JetBlue
Sun 27/914:35
SXM
-
LHR
1 stop25h 10m
JetBlue
Deal found 1/2£697

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 3 February 2026.

Round-trip from

£567

One-way from

£373

Popular in

July

Cheapest in

March

Average price

£685
JetBlue
  • JetBlue
  • 18/3-25/3
  • 2 total stops
  • 54h 23m total
  • London to Saint Martin Island
Search Deals
17/3
  • 17/3
  • 3 total stops
  • 51h 02m total
  • London to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£98 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 3 February 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

Heathrow

Fly to

Saint Martin Island

Route

Depart

Return

Price

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 20/3

06:20-15:00

1 stop12h 40m

Simpson Bay Princess Juliana

Fri 27/3

16:30-10:30

1 stop14h 00m

£678

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 18/3

18:00-13:40

2 stops23h 40m

Simpson Bay Princess Juliana

Wed 25/3

16:00-07:10

2 stops35h 10m

£698

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 21/2

15:50-14:50

1 stop27h 00m

Simpson Bay Princess Juliana

Tue 24/2

13:38-07:50

1 stop14h 12m

£703

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 20/2

19:05-13:04

1 stop21h 59m

Simpson Bay Princess Juliana

Sun 1/3

17:01-06:35

1 stop33h 34m

£703

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 31/3

09:30-14:50

2 stops34h 20m

Simpson Bay Princess Juliana

Mon 6/4

16:00-08:35

2 stops59h 35m

£703

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 21/2

15:25-14:16

2 stops26h 51m

Simpson Bay Princess Juliana

Thu 26/2

13:29-12:00

2 stops18h 31m

£703

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 19/2

15:50-14:50

1 stop27h 00m

Simpson Bay Princess Juliana

Sun 1/3

13:38-07:50

1 stop14h 12m

£703

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 19/2

15:50-14:50

1 stop27h 00m

Simpson Bay Princess Juliana

Sat 28/2

13:38-07:50

1 stop14h 12m

£703

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 15/2

15:50-14:50

1 stop27h 00m

Simpson Bay Princess Juliana

Wed 25/2

13:38-07:50

1 stop14h 12m

£703

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 16/2

15:50-14:50

1 stop27h 00m

Simpson Bay Princess Juliana

Wed 25/2

13:38-07:50

1 stop14h 12m

£703

Flights are sorted by cheapest return flights first.

Deals found on 2/2

Showing 1-10 of 22 results
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2
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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 £470). Flying from London Heathrow Airport to Saint Martin Island in July is currently the most expensive (average of £800). 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.

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 3 February 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Saint Martin Island, such as KLM, Finnair, andAir France. 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
7.7
Good
1,448 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,448 reviews
KLM
7.7
Good
1,448 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Finnair
7.6
Good
1,357 reviews
KLM
7.7
Good
1,448 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Air France
7.4
Good
1,531 reviews
KLM
7.7
Good
1,448 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
American Airlines
7.2
Good
11,217 reviews
KLM
7.7
Good
1,448 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,712 reviews
KLM
7.7
Good
1,448 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 France, Air Canada, and Delta fly from London Heathrow Airport to Saint Martin Island in about 12h 40m. The time it takes to get you to your destination can typically vary by up to 14h 20m. 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Saint Martin Island (average of £470). Flying from London Heathrow Airport to Saint Martin Island in July is currently the most expensive (average of £800). 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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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 3 February 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£470Average£654FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£503Average£601FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£632Average£786FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£632Average£738FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£640Average£733FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£647Average£1,024FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£659Average£1,066FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£678Average£861FlexibilityNo 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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