Cheap flights from London Heathrow Airport to Simpson Bay from £409

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Simpson Bay Princess Juliana are usually found in March or October, booked 62 days in advance, depart on a Thursday or Monday and return on a Monday

Cheap 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 12 December 2025.

Sun 14/1217:00LHR - SXM
2 stops25h 20mAmerican Airlines
Sun 28/1215:28SXM - LHR
1 stop16h 37mAmerican Airlines
Deal found 10/12£802
Sun 14/1218:00LHR - SXM
1 stop26h 00mAir Canada
Sun 28/1215:40SXM - LHR
1 stop35h 30mAir Canada
Deal found 10/12£856
Sat 13/1213:25LHR - SXM
2 stops54h 35mAir Canada
Sat 27/1217:00SXM - LHR
1 stop33h 30mAir Canada
Deal found 10/12£880
Wed 17/1217:00LHR - SXM
2 stops25h 22mAmerican Airlines
Thu 8/116:24SXM - LHR
1 stop34h 56mAmerican Airlines
Deal found 10/12£895
Tue 30/1208:55LHR - SXM
1 stop31h 23mDelta
Sat 10/117:28SXM - LHR
2 stops22h 42mDelta
Deal found 10/12£928
Tue 30/1214:45LHR - SXM
1 stop27h 17mAmerican Airlines
Sat 10/115:23SXM - LHR
1 stop16h 37mAmerican Airlines
Deal found 11/12£948

Find 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 12 December 2025.

Round-trip from

£522

One-way from

£409

Popular in

September

Cheapest in

March

Average price

£1,049
JetBlue
  • JetBlue
  • 29/4-6/5
  • 2 total stops
  • 48h 09m total
  • London to Simpson Bay
12/1
  • 12/1
  • 2 total stops
  • 28h 31m total
  • London to Simpson Bay
Highest demand for flights based on searches. 11% potential increase in price (£82 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in December 2025

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 12 December 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

Sun 1/3

11:05-14:40

2 stops55h 35m

Simpson Bay Princess Juliana

Wed 1/4

16:00-08:35

1 stop35h 35m

£614

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 25/1

13:25-16:00

2 stops30h 35m

Simpson Bay Princess Juliana

Sun 1/2

15:40-07:10

1 stop35h 30m

£621

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 12/1

08:05-14:28

1 stop34h 23m

Simpson Bay Princess Juliana

Sat 17/1

12:35-20:45

1 stop28h 10m

£644

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 12/1

20:00-14:55

2 stops22h 55m

Simpson Bay Princess Juliana

Sat 17/1

17:28-20:10

2 stops22h 42m

£689

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 23/1

18:00-12:17

1 stop22h 17m

Simpson Bay Princess Juliana

Sun 25/1

16:24-12:00

1 stop15h 36m

£691

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sun 1/3

11:15-14:20

1 stop31h 05m

Simpson Bay Princess Juliana

Wed 1/4

14:17-11:05

1 stop15h 48m

£692

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 23/1

11:10-16:00

1 stop32h 50m

Simpson Bay Princess Juliana

Sun 25/1

15:40-06:30

2 stops34h 50m

£702

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 29/4

19:40-12:45

2 stops22h 05m

Simpson Bay Princess Juliana

Wed 6/5

14:35-12:30

1 stop16h 55m

£706

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 12/1

14:50-15:21

2 stops28h 31m

£409

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 12/1

13:00-16:00

1 stop31h 00m

£537

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 15 results
1
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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 5 December 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 £540). Flying from London Heathrow Airport to Simpson Bay in July is currently the most expensive (average of £819). 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 12 December 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 20% 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 at midday 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.

How much does it cost for a return flight from London Heathrow Airport to Simpson Bay?

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 12 December 2025.
Get a feel of what it's like to fly with Delta, KLM, andFinnair 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

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

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 8 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, JetBlue, and Delta can get you from London Heathrow Airport to Simpson Bay in just under 22h 55m. Your travel time can differ by up to 32h 40m. 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 £514, was found to be the cheapest airline from London Heathrow Airport to Simpson Bay.Alternate airlines flying return to your destination include JetBlue and Air France. Users have found that Air Canada is 41% 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 £540). Flying from London Heathrow Airport to Simpson Bay in July is currently the most expensive (average of £819). 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 8 airlines flying from Heathrow to Simpson Bay

Discover the top 8 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£514Average£614FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£571Average£702FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air FranceCheapest£608Average£1,060FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£643Average£854FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£646Average£791FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£647Average£745FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£661Average£1,076FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£690Average£875FlexibilityNo 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?

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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