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Cheap flights from London to Saint Martin Island from £432

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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SXM
14 Jul — 21 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Saint Martin Island

Enter your travel dates to find the best prices.

Cheapest flights from London to Saint Martin Island
Explore the most affordable flight options available from London to Saint Martin Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 June 2026.

Tue 17/1115:00
LHR
-
SXM
1 stop27h 35m
Air Canada
Sat 28/1115:10
SXM
-
LHR
1 stop36h 00m
Air Canada
Deal found 14/6£712
Thu 12/1115:00
LHR
-
SXM
1 stop27h 35m
Air Canada
Sat 28/1115:10
SXM
-
LHR
1 stop36h 00m
Air Canada
Deal found 14/6£714
Sun 6/915:15
LHR
-
SXM
1 stop27h 38m
Delta
Sat 19/915:20
SXM
-
LHR
2 stops23h 50m
Delta
Deal found 11/6£717
Thu 19/1118:00
LHR
-
SXM
1 stop24h 35m
Air Canada
Sat 28/1115:10
SXM
-
LHR
1 stop36h 00m
Air Canada
Deal found 13/6£719
Thu 26/1111:10
LHR
-
SXM
1 stop31h 25m
Air Canada
Mon 30/1115:35
SXM
-
LHR
1 stop34h 55m
Air Canada
Deal found 13/6£724
Thu 31/1210:45
LHR
-
SXM
1 stop32h 05m
Delta
Sat 9/117:25
SXM
-
LHR
1 stop34h 25m
Delta
Deal found 13/6£725
Wed 26/818:35
LHR
-
SXM
2 stops24h 18m
Delta
Wed 23/915:20
SXM
-
LHR
2 stops23h 50m
Delta
Deal found 10/6£725
Wed 4/1114:30
LHR
-
SXM
1 stop29h 50m
American Airlines
Sun 22/1114:51
SXM
-
LHR
1 stop16h 49m
American Airlines
Deal found 10/6£726
Sun 21/615:40
LGW
-
SXM
2 stops27h 40m
Multiple Airlines
Sun 5/715:20
SXM
-
LGW
2 stops18h 20m
Multiple Airlines
Deal found 10/6£876
Tue 17/1109:35
LGW
-
SXM
1 stop32h 30m
Multiple Airlines
Sat 28/1117:00
SXM
-
LGW
1 stop10h 40m
Multiple Airlines
Deal found 14/6£884
Thu 31/1211:15
LGW
-
SXM
2 stops31h 02m
American Airlines
Sun 10/117:33
SXM
-
LGW
2 stops33h 57m
American Airlines
Deal found 13/6£905
Fri 17/712:20
LGW
-
SXM
2 stops30h 26m
American Airlines
Tue 18/814:22
SXM
-
LGW
2 stops37h 13m
American Airlines
Deal found 10/6£907

Find flight deals from London to Saint Martin Island

Keep the following information in mind while searching for London to Saint Martin Island flight deals. Data was last updated 14 June 2026.

Round-trip from

£712

One-way from

£432

Popular in

July

Cheapest in

January

Average price

£957
Air Canada
  • Air Canada
  • 17/11-28/11
  • 2 total stops
  • 63h 35m total
  • London to Saint Martin Island
Search Deals
28/10
  • 28/10
  • 3 total stops
  • 36h 16m total
  • London to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£86 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 14 June 2026.
Use the filters below to find and compare flights from London 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

Sun 6/9

17:45-13:53

2 stops25h 08m

Simpson Bay Princess Juliana

Wed 16/9

15:20-20:10

2 stops23h 50m

£717

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 1/9

15:15-13:53

1 stop27h 38m

Simpson Bay Princess Juliana

Mon 14/9

15:20-13:15

1 stop16h 55m

£717

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 5/9

20:05-13:53

2 stops22h 48m

Simpson Bay Princess Juliana

Fri 18/9

15:20-06:20

2 stops34h 00m

£717

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 29/8

20:05-13:53

2 stops46h 48m

Simpson Bay Princess Juliana

Sun 27/9

15:20-11:20

1 stop15h 00m

£717

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 19/11

18:00-14:35

1 stop24h 35m

Simpson Bay Princess Juliana

Sun 29/11

15:35-11:20

1 stop15h 45m

£759

LondonSimpson Bay

LGW - SXM

LGWSXM

London Gatwick

Tue 17/11

09:35-09:30

1 stop27h 55m

Simpson Bay Princess Juliana

Sat 28/11

10:20-07:40

2 stops17h 20m

£892

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 7/7

08:15-13:52

1 stop34h 37m

Simpson Bay Princess Juliana

Thu 16/7

11:22-09:30

1 stop17h 08m

£915

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 23/7

13:05-10:07

2 stops26h 02m

Simpson Bay Princess Juliana

Thu 30/7

15:12-20:20

2 stops24h 08m

£922

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 17/7

19:25-13:49

2 stops23h 24m

Simpson Bay Princess Juliana

Wed 19/8

16:39-19:45

2 stops22h 06m

£964

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 23/7

09:55-13:46

1 stop32h 51m

Simpson Bay Princess Juliana

Tue 18/8

16:39-06:55

1 stop33h 16m

£967

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 49 resultsSorted by cheapest first
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Best time to book a flight from London to Saint Martin Island

Have a flexible travel schedule? Discover the best time to fly to Saint Martin Island from London 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 to Saint Martin Island

What is the cheapest month to book a flight from London to Saint Martin Island?

Currently, July is the cheapest month in which you can book a flight from London to Saint Martin Island (average of £285). Flying from London to Saint Martin Island in August is currently the most expensive (average of £694). 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 to Saint Martin Island?

To ensure you get the cheapest price possible for a flight from London to Saint Martin Island, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 14 June 2026.
Read through reviews of airlines operating flights from London 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
7.8
Good
1,529 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,529 reviews
KLM
7.8
Good
1,529 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Finnair
7.7
Good
1,408 reviews
KLM
7.8
Good
1,529 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air France
7.4
Good
1,606 reviews
KLM
7.8
Good
1,529 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
American Airlines
7.1
Good
11,657 reviews
KLM
7.8
Good
1,529 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air Canada
7.1
Good
11,182 reviews
KLM
7.8
Good
1,529 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from London 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 to Saint Martin Island?

    Delta, Air France, and KLM can get you from London to Saint Martin Island in just under 25h 08m. Your travel time can differ by up to 6h 52m. The distance from London to Saint Martin Island is about 4077 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London to Saint Martin Island one-way?

    The cheapet airlines for a one-way flight from London to Saint Martin Island are United Airlines (£465), Air Canada (£499), and Air France (£740).

  • What are the most popular routes from London to Saint Martin Island?

    While some choose either London Gatwick - Simpson Bay Princess Juliana or London City - Simpson Bay Princess Juliana, London Heathrow - Simpson Bay Princess Juliana is the most popular route from London to Saint Martin Island.

  • Can I find deals for flights from London to Saint Martin Island that include hotel bookings?

    Yes. In addition to deals on London to Saint Martin Island flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London 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 London to Saint Martin Island.

  • Can I find deals for business class flights from London to Saint Martin Island?

    Yes. Cheapflights offers flight deals from London 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 to Saint Martin Island?

    Currently, July is the cheapest month in which you can book a flight from London to Saint Martin Island (average of £285). Flying from London to Saint Martin Island in August is currently the most expensive (average of £694). 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 London 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 London to Saint Martin Island

Discover the top 8 airlines that operate flights from London 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 14 June 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£479Average£667FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£509Average£1,096FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£656Average£1,042FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£674Average£1,113FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£689Average£903FlexibilityNo cancel feeOn-time76%
Search Finnair flights
DeltaCheapest£690Average£837FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest£698Average£854FlexibilityNo 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 London to Saint Martin Island?

Deals for London to Saint Martin Island flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Saint Martin Island?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Saint Martin Island from London.

Can Cheapflights find flights from London to Saint Martin Island with no change fees?

Yes, we can. To see specific flights from London to Saint Martin Island with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Saint Martin Island become cheaper?

Of course! You can now track prices for flights from London to Saint Martin Island and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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