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Cheap flights from London Heathrow Airport to Simpson Bay from £450

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SXM
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Simpson Bay Princess Juliana are usually found in January or November, booked 58 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 25 March 2025.

Round-trip from

£677

One-way from

£450

Popular in

July

Cheapest in

January

Average price

£753
Air Canada
  • Air Canada
  • 6/4-14/4
  • 4 total stops
  • 63h 25m total
  • London to Simpson Bay
WestJet
  • WestJet
  • 13/9
  • 2 total stops
  • 28h 04m total
  • London to Simpson Bay
Highest demand for flights based on searches. 15% potential increase in price (£120 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in March 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 25 March 2025.

Thu 3/414:05LHR - SXM
2 stops30h 10mAir Canada
Sun 13/415:55SXM - LHR
2 stops33h 40mAir Canada
Deal found 24/3£640
Wed 2/420:10LHR - SXM
1 stop21h 05mDelta
Sun 13/415:30SXM - LHR
2 stops34h 15mDelta
Deal found 23/3£687
Mon 5/513:40LHR - SXM
1 stop28h 35mAmerican Airlines
Thu 15/515:24SXM - LHR
1 stop14h 11mAmerican Airlines
Deal found 24/3£691
Fri 2/506:15LHR - SXM
1 stop13h 20mMultiple Airlines
Wed 11/614:10SXM - LHR
2 stops15h 35mMultiple Airlines
Deal found 24/3£705
Wed 9/417:00LHR - SXM
2 stops27h 24mFinnair
Mon 12/514:24SXM - LHR
1 stop15h 11mFinnair
Deal found 24/3£735
Fri 2/506:15LHR - SXM
1 stop13h 20mAir France
Wed 11/615:40SXM - LHR
1 stop17h 05mAir France
Deal found 24/3£745
Fri 4/420:55LHR - SXM
2 stops21h 40mKLM
Tue 22/414:20SXM - LHR
2 stops20h 55mKLM
Deal found 24/3£1,149
Fri 4/416:40LHR - SXM
1 stop24h 49mUnited Airlines
Sat 19/413:25SXM - LHR
1 stop17h 20mUnited Airlines
Deal found 24/3£1,258

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 25 March 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 6/4

14:05-15:15

2 stops30h 10m

Simpson Bay Princess Juliana

Mon 14/4

16:15-06:30

2 stops33h 15m

£677

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 4/4

12:55-12:15

1 stop28h 20m

Simpson Bay Princess Juliana

Sat 12/4

13:40-13:30

1 stop18h 50m

£687

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Mon 5/5

13:40-13:15

1 stop28h 35m

Simpson Bay Princess Juliana

Thu 15/5

15:24-10:35

1 stop14h 11m

£691

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 2/5

06:15-14:35

1 stop13h 20m

Simpson Bay Princess Juliana

Wed 11/6

14:10-10:45

2 stops15h 35m

£705

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Wed 9/4

17:00-15:24

2 stops27h 24m

Simpson Bay Princess Juliana

Mon 12/5

14:24-10:35

1 stop15h 11m

£735

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 2/5

06:15-14:35

1 stop13h 20m

Simpson Bay Princess Juliana

Wed 11/6

15:40-13:45

1 stop17h 05m

£745

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 4/4

20:55-13:35

2 stops21h 40m

Simpson Bay Princess Juliana

Tue 22/4

14:20-16:15

2 stops20h 55m

£1,149

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 4/4

16:40-12:29

1 stop24h 49m

Simpson Bay Princess Juliana

Sat 19/4

13:25-11:45

1 stop17h 20m

£1,258

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 13/9

14:10-13:14

2 stops28h 04m

£450

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 15/8

11:25-20:30

2 stops14h 05m

£716

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 13 results
1
2

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 21 March 2025.

The best time to book flights from London Heathrow Airport to Simpson Bay is 57 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 25 March 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 25 March 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from London to Simpson Bay. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
8.0
Very Good

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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.

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

    Air Canada, at £677, was found to be the cheapest airline from London Heathrow Airport to Simpson Bay.Alternate airlines flying return to your destination include Delta and American Airlines. Users have found that Air Canada is 19% 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 WestJet, which is currently one of the cheapest options available, starting at £450. KLM flights start at £764 while deals on Air France start at £1,537 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.

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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£546Average£778FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest£547Average£636FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£628Average£928FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£660Average£698FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest£663Average£819FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£681Average£881FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£700Average£848FlexibilityNo cancel feeOn-time75%
Search KLM 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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