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Cheap flights from London to Saint Martin Island from £407

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SXM
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 5 November 2025.

Round-trip from

£726

One-way from

£407

Popular in

December

Cheapest in

March

Average price

£776
Delta
  • Delta
  • 30/12-10/1
  • 2 total stops
  • 45h 18m total
  • London to Saint Martin Island
Search Deals
7/3
  • 7/3
  • 3 total stops
  • 52h 55m total
  • London to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 5 November 2025.

Tue 30/1208:55LHR - SXM
1 stop31h 23mDelta
Sat 10/116:20SXM - LHR
1 stop13h 55mDelta
Deal found 4/11£726
Tue 2/1209:00LHR - SXM
2 stops57h 40mAir Canada
Tue 23/1215:40SXM - LHR
2 stops24h 55mAir Canada
Deal found 3/11£737
Wed 12/1111:15LHR - SXM
1 stop31h 04mAmerican Airlines
Mon 17/1117:24SXM - LHR
1 stop14h 41mAmerican Airlines
Deal found 4/11£741
Thu 4/1213:25LHR - SXM
2 stops30h 35mAir Canada
Tue 23/1215:40SXM - LHR
2 stops24h 55mAir Canada
Deal found 3/11£742
Sun 14/1213:25LHR - SXM
2 stops30h 35mAir Canada
Sun 28/1215:40SXM - LHR
1 stop35h 30mAir Canada
Deal found 3/11£748
Tue 2/1209:00LHR - SXM
2 stops57h 40mAir Canada
Fri 26/1217:00SXM - LHR
1 stop33h 30mAir Canada
Deal found 3/11£753
Wed 3/1206:50LHR - SXM
2 stops35h 50mAir Canada
Thu 25/1215:40SXM - LHR
2 stops39h 40mAir Canada
Deal found 3/11£756
Wed 12/1119:25LHR - SXM
2 stops48h 05mAir France
Thu 20/1117:10SXM - LHR
1 stop10h 45mAir France
Deal found 3/11£758
Mon 1/1219:20LHR - SXM
1 stop23h 40mAir France
Mon 8/1216:30SXM - LHR
1 stop11h 25mAir France
Deal found 3/11£767
Thu 4/1220:25LHR - SXM
2 stops22h 35mKLM
Thu 25/1217:10SXM - LHR
2 stops19h 50mKLM
Deal found 3/11£777
Fri 5/1214:00LGW - SXM
2 stops28h 15mMultiple Airlines
Fri 19/1218:35SXM - LGW
1 stop20h 50mMultiple Airlines
Deal found 3/11£916
Tue 4/1109:30LGW - SXM
1 stop27h 50mMultiple Airlines
Sun 9/1110:20SXM - LGW
2 stops15h 00mMultiple Airlines
Deal found 3/11£930

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 5 November 2025.
Use the filters below to find and compare flights from London to Saint Martin Island that are best for you.

Fly from

London

Fly to

Saint Martin Island

Route

Depart

Return

Price

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

£726

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 7/12

13:25-16:00

2 stops30h 35m

Simpson Bay Princess Juliana

Tue 23/12

15:40-20:35

2 stops24h 55m

£742

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

£747

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 5/12

18:00-14:40

2 stops24h 40m

Simpson Bay Princess Juliana

Fri 26/12

17:00-06:30

1 stop33h 30m

£758

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 1/12

19:20-15:00

1 stop23h 40m

Simpson Bay Princess Juliana

Mon 8/12

16:30-07:55

1 stop11h 25m

£767

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 14/12

18:00-16:00

1 stop26h 00m

Simpson Bay Princess Juliana

Sun 28/12

15:40-07:10

1 stop35h 30m

£773

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 4/12

20:25-15:00

2 stops22h 35m

Simpson Bay Princess Juliana

Thu 25/12

17:10-17:00

2 stops19h 50m

£777

LondonSimpson Bay

LCY - SXM

LCYSXM

London City

Sun 29/3

13:45-11:15

2 stops50h 30m

Simpson Bay Princess Juliana

Thu 2/4

12:45-16:40

2 stops22h 55m

£786

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 3/12

17:00-16:25

2 stops27h 25m

Simpson Bay Princess Juliana

Mon 22/12

17:33-12:05

1 stop14h 32m

£792

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 2/12

14:45-13:52

1 stop27h 07m

Simpson Bay Princess Juliana

Sat 27/12

13:39-22:10

2 stops28h 31m

£792

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 45 results
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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, March is the cheapest month in which you can book a flight from London to Saint Martin Island (average of £554). Flying from London to Saint Martin Island in July is currently the most expensive (average of £838). 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 LON to SCH?

Find hourly flight availability from London 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 5 November 2025.

When flying from London to Saint Martin Island, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 34% versus a flight in the evening.

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

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

Travellers seeking maximum savings on their London to Saint Martin Island flight should consider departing on Saturday afternoons when fares are most often at their lowest. Wednesday afternoons 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 5 November 2025.
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
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Finnair
7.6
Good
1,335 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Air France
7.4
Good
1,482 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
American Airlines
7.2
Good
11,039 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Air Canada
7.1
Good
10,404 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 Canada, and KLM can get you from London to Saint Martin Island in just under 24h 05m. Your travel time can differ by up to 7h 18m. The distance from London to Saint Martin Island is about 4099 mi. This flight may include one or multiple stops.

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

    While some choose either London City - Simpson Bay Princess Juliana or London Gatwick - 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, March is the cheapest month in which you can book a flight from London to Saint Martin Island (average of £554). Flying from London to Saint Martin Island in July is currently the most expensive (average of £838). 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 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 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£527Average£629FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£585Average£818FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air FranceCheapest£622Average£1,069FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£659Average£876FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£662Average£835FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£663Average£763FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£676Average£1,104FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£707Average£894FlexibilityNo 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 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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