Cheap flights from London Heathrow Airport to Simpson Bay from £513

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
24 Aug — 31 Aug1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Simpson Bay Princess Juliana are usually found in March or November, booked 81 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 19 August 2025.

Round-trip from

£610

One-way from

£513

Popular in

July

Cheapest in

March

Average price

£977
JetBlue
  • JetBlue
  • 2/9-13/9
  • 2 total stops
  • 58h 14m total
  • London to Simpson Bay
26/8
  • 26/8
  • 3 total stops
  • 31h 12m total
  • London to Simpson Bay
Highest demand for flights based on searches. 16% potential increase in price (£118 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Heathrow to Simpson Bay

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 19 August 2025.

Tue 2/908:15LHR - SXM
1 stop34h 00mJetBlue
Sat 13/915:31SXM - LHR
1 stop24h 14mJetBlue
Deal found 19/8£610
Sun 14/908:15LHR - SXM
1 stop34h 00mJetBlue
Sun 21/914:35SXM - LHR
1 stop25h 10mJetBlue
Deal found 17/8£652
Mon 15/918:15LHR - SXM
2 stops48h 35mMultiple Airlines
Mon 22/915:20SXM - LHR
1 stop17h 10mMultiple Airlines
Deal found 19/8£680
Fri 29/820:10LHR - SXM
1 stop23h 00mDelta
Fri 12/915:20SXM - LHR
1 stop17h 10mDelta
Deal found 19/8£684
Tue 2/910:55LHR - SXM
2 stops31h 50mDelta
Mon 8/915:10SXM - LHR
2 stops23h 50mDelta
Deal found 17/8£686
Sun 2/1120:25LHR - SXM
1 stop22h 30mMultiple Airlines
Mon 17/1117:10SXM - LHR
1 stop13h 20mMultiple Airlines
Deal found 18/8£687
Thu 2/1019:05LHR - SXM
2 stops23h 14mBritish Airways
Thu 9/1016:24SXM - LHR
2 stops34h 41mBritish Airways
Deal found 18/8£689
Fri 24/1020:10LHR - SXM
2 stops24h 05mAmerican Airlines
Fri 7/1114:51SXM - LHR
1 stop14h 24mAmerican Airlines
Deal found 17/8£692
Mon 15/912:15LHR - SXM
1 stop30h 04mAmerican Airlines
Mon 22/914:20SXM - LHR
1 stop14h 05mAmerican Airlines
Deal found 19/8£697

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 19 August 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 2/9

08:15-13:15

1 stop34h 00m

Simpson Bay Princess Juliana

Sat 13/9

15:31-20:45

1 stop24h 14m

£610

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 14/9

08:15-13:15

1 stop34h 00m

Simpson Bay Princess Juliana

Sun 21/9

14:35-20:45

1 stop25h 10m

£652

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 15/9

18:15-13:50

2 stops48h 35m

Simpson Bay Princess Juliana

Mon 22/9

15:20-13:30

1 stop17h 10m

£680

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 29/8

20:10-14:10

1 stop23h 00m

Simpson Bay Princess Juliana

Fri 12/9

15:20-13:30

1 stop17h 10m

£684

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 2/9

18:15-13:45

2 stops24h 30m

Simpson Bay Princess Juliana

Sat 13/9

15:20-13:30

1 stop17h 10m

£684

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 14/9

15:15-13:50

2 stops27h 35m

Simpson Bay Princess Juliana

Sun 21/9

15:20-20:00

2 stops23h 40m

£686

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 12/10

16:50-13:49

2 stops25h 59m

Simpson Bay Princess Juliana

Wed 15/10

15:14-13:30

1 stop17h 16m

£686

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 4/9

20:10-13:45

2 stops22h 35m

Simpson Bay Princess Juliana

Mon 8/9

15:10-11:10

1 stop15h 00m

£686

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Tue 26/8

06:00-08:12

3 stops31h 12m

£513

Flights are sorted by cheapest return flights first.

Deals found on 19/8

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 8 August 2025.

The best time to book flights from London Heathrow Airport to Simpson Bay is 81 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 19 August 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 19 August 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.

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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?

    JetBlue and Delta can get you from London Heathrow Airport to Simpson Bay in just under 23h. Your travel time can differ by up to 11h. 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 £509, 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 36% cheaper than the other options available to this destination.

  • 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.

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 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£509Average£604FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£600Average£888FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£636Average£883FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£639Average£783FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£640Average£676FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£653Average£1,017FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£675Average£860FlexibilityNo 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?

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

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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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