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Cheap flights from London to Simpson Bay from £413

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SXM
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Simpson Bay Princess Juliana are usually found in March or February, booked 39 days in advance, depart on a Thursday or Monday and return on a Monday

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Cheapest flights from London to Simpson Bay
Explore the most affordable flight options available from London to Simpson Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 November 2025.

Tue 30/1208:55LHR - SXM
1 stop31h 23mDelta
Sat 10/117:28SXM - LHR
2 stops22h 42mDelta
Deal found 8/11£722
Sat 13/1211:45LHR - SXM
1 stop30h 13mAmerican Airlines
Sat 27/1217:33SXM - LHR
1 stop14h 32mAmerican Airlines
Deal found 8/11£789
Tue 11/1111:15LHR - SXM
1 stop33h 07mAmerican Airlines
Mon 17/1115:20SXM - LHR
1 stop16h 45mAmerican Airlines
Deal found 9/11£796
Sun 14/1213:25LHR - SXM
2 stops30h 35mAir Canada
Sun 28/1215:40SXM - LHR
1 stop35h 30mAir Canada
Deal found 10/11£799
Wed 24/1213:25LHR - SXM
1 stop29h 15mAir Canada
Wed 31/1217:00SXM - LHR
1 stop14h 20mAir Canada
Deal found 9/11£830
Fri 14/1118:00LHR - SXM
1 stop26h 00mAir Canada
Fri 21/1117:00SXM - LHR
1 stop33h 30mAir Canada
Deal found 9/11£858
Thu 13/1114:00LGW - SXM
2 stops28h 15mMultiple Airlines
Fri 21/1116:20SXM - LGW
1 stop37h 25mMultiple Airlines
Deal found 9/11£902
Wed 12/1110:40LGW - SXM
1 stop26h 40mMultiple Airlines
Wed 19/1110:20SXM - LGW
2 stops15h 00mMultiple Airlines
Deal found 9/11£908
Mon 10/1109:20LCY - SXM
2 stops33h 35mDelta
Wed 19/1116:20SXM - LCY
2 stops34h 55mDelta
Deal found 9/11£911
Thu 20/1118:55LCY - SXM
1 stop24h 35mKLM
Thu 4/1217:10SXM - LCY
2 stops22h 25mKLM
Deal found 8/11£921
Wed 12/1117:50LCY - SXM
2 stops25h 10mKLM
Wed 19/1116:15SXM - LCY
2 stops21h 05mKLM
Deal found 9/11£952
Tue 11/1117:50LCY - SXM
1 stop25h 05mKLM
Wed 19/1116:15SXM - LCY
2 stops21h 05mKLM
Deal found 9/11£973

Cheap flight deals from London to Simpson Bay

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 11 November 2025.

Round-trip from

£719

One-way from

£413

Popular in

December

Cheapest in

March

Average price

£776
Air Canada
  • Air Canada
  • 23/1-25/1
  • 4 total stops
  • 65h 25m total
  • London to Simpson Bay
Search Deals
WestJet
  • WestJet
  • 3/12
  • 2 total stops
  • 52h 31m total
  • London to Simpson Bay
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£69 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

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 11 November 2025.
Use the filters below to find and compare flights from London to Simpson Bay that are best for you.

Fly from

London

Fly to

Simpson Bay

Route

Depart

Return

Price

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

£719

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Thu 2/4

20:10-12:22

2 stops21h 12m

Simpson Bay Princess Juliana

Mon 13/4

14:35-12:15

2 stops16h 40m

£721

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

£722

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 23/1

16:10-14:55

2 stops26h 45m

Simpson Bay Princess Juliana

Sat 31/1

16:20-13:45

2 stops17h 25m

£731

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 24/1

16:10-14:55

2 stops26h 45m

Simpson Bay Princess Juliana

Sun 1/2

16:20-13:45

2 stops17h 25m

£731

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Sat 24/1

16:10-14:55

2 stops26h 45m

Simpson Bay Princess Juliana

Sat 31/1

16:20-13:45

2 stops17h 25m

£731

LondonSimpson Bay

LHR - SXM

LHRSXM

London Heathrow

Fri 23/1

06:30-15:30

1 stop13h 00m

Simpson Bay Princess Juliana

Sun 1/2

17:10-10:30

1 stop13h 20m

£731

LondonSimpson Bay

LGW - SXM

LGWSXM

London Gatwick

Fri 16/1

14:00-14:14

2 stops52h 14m

Simpson Bay Princess Juliana

Mon 26/1

16:20-09:45

1 stop37h 25m

£763

LondonSimpson Bay

LCY - SXM

LCYSXM

London City

Sun 29/3

13:45-11:15

2 stops50h 30m

Simpson Bay Princess Juliana

Thu 2/4

15:45-09:30

2 stops36h 45m

£775

LondonSimpson Bay

LGW - SXM

LGWSXM

London Gatwick

Fri 20/2

14:00-14:16

2 stops28h 16m

Simpson Bay Princess Juliana

Tue 3/3

13:25-09:45

1 stop16h 20m

£807

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 43 results
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Best time to book a flight from London to Simpson Bay

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

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

Use this chart to determine the optimal time to book a return flight from London to Simpson Bay. Price data was last updated on 7 November 2025.

To ensure you get the cheapest price possible for a flight from London to Simpson Bay, you should look to book at least 39 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from London to Simpson Bay (average of £549). Flying from London to Simpson Bay in July is currently the most expensive (average of £832). 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 SXM?

Find hourly flight availability from London 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 11 November 2025.

One of the essential ways to save on airfare from London to Simpson Bay is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 34% on airfare.

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

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

Travellers seeking maximum savings on their London to Simpson Bay 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.

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

What’s the top stopover airport for flights from London to Simpson Bay?

Share of one-stop return flights from London to Simpson Bay chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Paris (CDG) – chosen by Cheapflights users on 86% of one-stop itineraries from London to Simpson Bay on Cheapflights.

What’s the cheapest stopover airport for flights from London to Simpson Bay?

Average return fare for one-stop flights from London to Simpson Bay, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Montreal (YUL) is the most affordable one-stop option, with an average return flight price of £532.

What’s the fastest stopover option from London to Simpson Bay?

Shortest average travel time for one-stop one-way flights from London to Simpson Bay, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 11h 30m.

Which airport typically offers the quickest stopover for flights from London to Simpson Bay?

Average stopover duration for one-stop one-way flights from London to Simpson Bay, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Paris (CDG) offer the fastest connection on this route, with an average stopover time of 1h 38m.

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 11 November 2025.
See what other customers who have flown with KLM, Finnair, andAir France from London to Simpson Bay have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,410 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

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
1,410 reviews
KLM
7.7
Good
1,410 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

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
1,410 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

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
1,486 reviews
KLM
7.7
Good
1,410 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

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
11,046 reviews
KLM
7.7
Good
1,410 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

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
10,433 reviews
KLM
7.7
Good
1,410 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

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 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?

    For a flight from London to Simpson Bay, you will be flying into Princess Juliana. Simpson Bay Princess Juliana (SXM) is just 0.5 mi from the center of the city. Princess Juliana is the only Simpson Bay airport and it handles 0 inbound flights from London per day. 8 airlines have flights to Simpson Bay Princess Juliana from London on a regular basis.

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

    Air Canada, American Airlines, and Delta can get you from London to Simpson Bay in just under 21h 12m. Your travel time can differ by up to 10h 11m. London and Simpson Bay are separated by a distance of 4077 mi. This flight may include one or multiple stops.

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

    Flying on Air Canada is currently your cheapest option to Simpson Bay, with prices starting at £523. Additional return tickets that might be worth considering are offered by JetBlue and Air France, with the lowest prices starting at £581 and £617, respectively. Air Canada is currently priced 38% below the average price you’ll pay for this route.

  • What are the most popular routes from London to Simpson Bay?

    The most popular route from London to Simpson Bay is London Heathrow - Simpson Bay Princess Juliana. You may also consider London City - Simpson Bay Princess Juliana or London Gatwick - Simpson Bay Princess Juliana.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from London to Simpson Bay (average of £549). Flying from London to Simpson Bay in July is currently the most expensive (average of £832). 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 London to Simpson Bay

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

Top 8 airlines flying from London to Simpson Bay

Discover the top 8 airlines that operate flights from London 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 11 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£523Average£625FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£581Average£812FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air FranceCheapest£617Average£1,061FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£654Average£870FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£657Average£829FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£658Average£758FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£671Average£1,096FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£702Average£887FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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

Cheapflights makes it easy to find London to Simpson Bay flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Simpson Bay for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Simpson Bay flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from London to Simpson Bay on Cheapflights with our Price Alert feature and get notified when better prices are available.

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