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Cheap flights from London Heathrow Airport to Simpson Bay from £404

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 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
2 Nov — 9 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London Heathrow to Simpson Bay Princess Juliana are usually found in March or November, booked 63 days in advance, depart on a Thursday or Monday and return on a Monday

Cheap flight deals from Heathrow to Simpson Bay

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Simpson Bay (SXM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 October 2025.

Round-trip from

£674

One-way from

£569

Popular in

September

Cheapest in

March

Average price

£697
Air Canada
  • Air Canada
  • 13/1-23/1
  • 4 total stops
  • 69h 10m total
  • London to Simpson Bay
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18/10
  • 18/10
  • 3 total stops
  • 51h 25m total
  • London to Simpson Bay
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£79 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Heathrow to Simpson Bay

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Simpson Bay
Explore the most affordable flight options available from Heathrow to Simpson Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2025.

Sun 7/1213:25LHR - SXM
2 stops30h 35mAir Canada
Fri 30/117:00SXM - LHR
1 stop33h 30mAir Canada
Deal found 1/10£680
Mon 17/1116:10LHR - SXM
2 stops26h 45mDelta
Wed 26/1116:20SXM - LHR
2 stops23h 50mDelta
Deal found 1/10£685
Sun 16/1117:00LHR - SXM
2 stops27h 22mBritish Airways
Sun 23/1117:24SXM - LHR
2 stops24h 46mBritish Airways
Deal found 2/10£687
Wed 29/1019:05LHR - SXM
2 stops24h 10mAmerican Airlines
Wed 5/1114:51SXM - LHR
1 stop14h 24mAmerican Airlines
Deal found 1/10£692
Tue 18/1119:05LHR - SXM
2 stops25h 17mAmerican Airlines
Tue 25/1117:24SXM - LHR
2 stops22h 36mAmerican Airlines
Deal found 2/10£694
Sun 5/1019:05LHR - SXM
2 stops25h 10mAmerican Airlines
Sun 12/1014:40SXM - LHR
1 stop14h 55mAmerican Airlines
Deal found 2/10£696
Sun 16/1119:20LHR - SXM
1 stop23h 40mMultiple Airlines
Sun 23/1116:15SXM - LHR
2 stops17h 35mMultiple Airlines
Deal found 2/10£697
Thu 9/1012:30LHR - SXM
2 stops31h 45mBritish Airways
Thu 23/1014:40SXM - LHR
2 stops36h 25mBritish Airways
Deal found 2/10£698
Sat 8/1116:25LHR - SXM
1 stop26h 30mMultiple Airlines
Thu 20/1117:10SXM - LHR
1 stop13h 20mMultiple Airlines
Deal found 1/10£701
Thu 23/1020:10LHR - SXM
2 stops22h 27mAmerican Airlines
Thu 30/1014:40SXM - LHR
2 stops17h 20mAmerican Airlines
Deal found 2/10£706

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Simpson Bay 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 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Simpson Bay that are best for you.

Fly from

Heathrow

Fly to

Simpson Bay

Route

Depart

Return

Price

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 13/1

09:00-16:00

2 stops35h 00m

Simpson Bay Princess Juliana

Fri 23/1

17:00-07:10

2 stops34h 10m

£674

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 13/1

09:00-16:00

2 stops35h 00m

Simpson Bay Princess Juliana

Wed 21/1

17:00-07:10

2 stops34h 10m

£674

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 13/1

13:00-16:00

1 stop31h 00m

Simpson Bay Princess Juliana

Sat 24/1

17:00-11:20

1 stop14h 20m

£678

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 17/11

16:10-14:55

2 stops26h 45m

Simpson Bay Princess Juliana

Wed 26/11

16:20-20:10

2 stops23h 50m

£685

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 17/1

20:00-12:15

1 stop20h 15m

Simpson Bay Princess Juliana

Thu 22/1

16:26-08:05

1 stop35h 39m

£692

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 17/1

20:00-12:15

1 stop20h 15m

Simpson Bay Princess Juliana

Fri 23/1

16:26-06:50

2 stops34h 24m

£692

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 12/1

09:40-12:15

2 stops30h 35m

Simpson Bay Princess Juliana

Sat 24/1

16:26-10:15

1 stop13h 49m

£692

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 12/1

09:40-12:15

2 stops30h 35m

Simpson Bay Princess Juliana

Fri 23/1

16:26-10:15

1 stop13h 49m

£692

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 17/1

15:50-14:56

1 stop27h 06m

Simpson Bay Princess Juliana

Tue 20/1

13:45-11:40

1 stop17h 55m

£692

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 17/1

20:00-12:15

1 stop20h 15m

Simpson Bay Princess Juliana

Sat 24/1

17:16-20:10

2 stops22h 54m

£692

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Showing 1-10 of 21 results
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Best time to book a flight from Heathrow to Simpson Bay

Have a flexible travel schedule? Discover the best time to fly to Simpson Bay 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 Simpson Bay

How far ahead should I book a flight from London Heathrow Airport to Simpson Bay?

Use this chart to determine the optimal time to book a return flight from Heathrow to Simpson Bay. Price data was last updated on 26 September 2025.

The best time to book flights from London Heathrow Airport to Simpson Bay is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Simpson Bay?

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Simpson Bay (average of £826). Flying from London Heathrow Airport to Simpson Bay in December is currently the most expensive (average of £1,258). 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 SXM?

Find hourly flight availability from Heathrow to Simpson Bay. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 October 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Simpson Bay is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 21% on airfare.

What is the cheapest day to fly from London Heathrow Airport to Simpson Bay?

Use this chart to determine the cheapest time to fly return from Heathrow to Simpson Bay. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Simpson Bay flight should consider departing on Monday afternoons 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 Simpson Bay

Get insights into the airlines that provide service to Simpson Bay. 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 Simpson Bay. Reviews last updated 3 October 2025.
Get a feel of what it's like to fly with KLM, Finnair, andAir France from London Heathrow Airport to Simpson Bay by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,387 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent
KLM
7.8
Good
1,387 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent
Finnair
7.6
Good
1,332 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent
Air France
7.4
Good
1,467 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent
Air Canada
7.1
Good
10,226 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent
British Airways
6.7
Okay
7,416 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Simpson Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Simpson Bay from London Heathrow?

    Most people fly into Simpson Bay Princess Juliana (SXM) if they book a flight to Simpson Bay from London Heathrow. On average, Princess Juliana has 0 inbound flights from London Heathrow per day from 7 airlines. Simpson Bay Princess Juliana is conveniently located just 0.5 mi from Simpson Bay’s city center.

  • How long is the flight from London Heathrow Airport to Simpson Bay?

    Air Canada and Delta can get you from London Heathrow Airport to Simpson Bay in just under 26h 45m. Your travel time can differ by up to 8h 15m. There are 4077 mi between London Heathrow Airport and Simpson Bay. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London Heathrow Airport to Simpson Bay round-trip?

    Air Canada, at £511, was found to be the cheapest airline from London Heathrow Airport to Simpson Bay.Alternate airlines flying return to your destination include Air France and American Airlines. Users have found that Air Canada is 40% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Simpson Bay one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at £412. WestJet flights start at £446 while deals on United Airlines start at £455 one-way.

  • Can I find deals for flights from Heathrow to Simpson Bay that include hotel bookings?

    Yes. In addition to deals on Heathrow to Simpson Bay flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Simpson Bay?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Simpson Bay.

  • Can I find deals for business class flights from Heathrow to Simpson Bay?

    Yes. Cheapflights offers flight deals from Heathrow to Simpson Bay 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 Simpson Bay?

    Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Simpson Bay (average of £826). Flying from London Heathrow Airport to Simpson Bay in December is currently the most expensive (average of £1,258). 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 Simpson Bay

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Simpson Bay flights

Top 7 airlines flying from Heathrow to Simpson Bay

Discover the top 7 airlines that operate flights from Heathrow to Simpson Bay. 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 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£511Average£611FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£604Average£955FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£640Average£851FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£642Average£787FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£643Average£741FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£656Average£979FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£686Average£867FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Simpson Bay?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Simpson Bay from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Simpson Bay?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Simpson Bay by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Heathrow to Simpson Bay with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Simpson Bay, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Simpson Bay become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Simpson Bay from Heathrow today and book when prices fit your budget.

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