Cheap flights from London to Port of Spain from £293

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — POS
7 Sep — 14 Sep1
1 adult

Cheapflights Tip: The best prices from London to Port of Spain Piarco Intl are usually found in May or September, booked 81 days in advance, depart on a Tuesday or Thursday and return on a Saturday

Cheap flight deals from London to Port of Spain

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Port of Spain (POS). 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 2 September 2025.

Round-trip from

£521

One-way from

£293

Popular in

December

Cheapest in

May

Average price

£519

Good round-trip deal

£551 or less

Good one-way deal

£433 or less
KLM
  • KLM
  • 12/9-21/9
  • 3 total stops
  • 26h 55m total
  • London to Port of Spain
11/9
  • 11/9
  • 1 total stop
  • 23h 15m total
  • London to Port of Spain
Highest demand for flights based on searches. 3% potential increase in price (£18 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from London (LON) to Port of Spain Piarco Intl.
Price to beat on a one-way flight from London (LON) to Port of Spain Piarco Intl.

Find flight deals from London to Port of Spain

Cheapest flights from London to Port of Spain
Explore the most affordable flight options available from London to Port of Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.

Fri 12/906:30LHR - POS
2 stops14h 30mKLM
Sun 21/917:20POS - LHR
1 stop12h 25mKLM
Deal found 31/8£521
Thu 13/1111:45LHR - POS
2 stops34h 45mMultiple Airlines
Wed 19/1103:48POS - LHR
2 stops32h 47mMultiple Airlines
Deal found 31/8£526
Wed 5/1119:25LHR - POS
2 stops33h 45mAir Canada
Tue 18/1102:15POS - LHR
1 stop24h 15mAir Canada
Deal found 31/8£531
Fri 7/1109:00LHR - POS
2 stops20h 10mAir Canada
Fri 6/302:15POS - LHR
1 stop29h 05mAir Canada
Deal found 31/8£533
Fri 14/1106:00LHR - POS
2 stops23h 10mAir Canada
Sun 23/1102:15POS - LHR
1 stop29h 05mAir Canada
Deal found 1/9£535
Fri 14/1112:55LGW - POS
Nonstop9h 25mBritish Airways
Fri 21/1120:10POS - LGW
Nonstop8h 40mBritish Airways
Deal found 1/9£536
Mon 20/1008:30LHR - POS
1 stop21h 50mAir Canada
Sun 26/1001:15POS - LHR
1 stop25h 15mAir Canada
Deal found 31/8£539
Fri 14/1112:55LGW - POS
Nonstop9h 25mBritish Airways
Mon 24/1120:10POS - LGW
Nonstop8h 40mBritish Airways
Deal found 1/9£539
Mon 20/1008:30LHR - POS
1 stop21h 50mAir Canada
Sun 2/1102:15POS - LHR
1 stop29h 05mAir Canada
Deal found 2/9£544
Fri 17/1008:40LHR - POS
2 stops21h 40mAir Canada
Fri 24/1002:25POS - LHR
1 stop26h 05mAir Canada
Deal found 30/8£545
Thu 4/917:40LHR - POS
1 stop36h 40mAir Canada
Mon 8/902:25POS - LHR
1 stop28h 25mAir Canada
Deal found 31/8£549
Mon 22/912:05LHR - POS
1 stop18h 15mAir Canada
Sun 28/902:25POS - LHR
1 stop26h 35mAir Canada
Deal found 31/8£556

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Port of Spain 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 2 September 2025.
Use the filters below to find and compare flights from London to Port of Spain that are best for you.

Fly from

London

Fly to

Port of Spain

Route

Depart

Return

Price

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Fri 12/9

06:30-16:00

2 stops14h 30m

Port of Spain Piarco Intl

Sun 21/9

17:20-10:45

1 stop12h 25m

£521

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Thu 13/11

11:45-18:30

2 stops34h 45m

Port of Spain Piarco Intl

Wed 19/11

03:48-16:35

2 stops32h 47m

£526

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Wed 5/11

19:25-01:10

2 stops33h 45m

Port of Spain Piarco Intl

Tue 18/11

02:15-06:30

1 stop24h 15m

£531

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Wed 28/1

13:45-01:10

2 stops39h 25m

Port of Spain Piarco Intl

Sun 8/2

02:15-06:30

1 stop24h 15m

£533

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Fri 7/11

09:00-01:10

2 stops20h 10m

Port of Spain Piarco Intl

Fri 6/3

02:15-11:20

1 stop29h 05m

£533

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Fri 14/11

06:00-01:10

2 stops23h 10m

Port of Spain Piarco Intl

Sun 23/11

02:15-11:20

1 stop29h 05m

£535

LondonPort of Spain

LGW - POS

LGWPOS

London Gatwick

Fri 14/11

12:55-18:20

Nonstop9h 25m

Port of Spain Piarco Intl

Fri 21/11

20:10-08:50

Nonstop8h 40m

£536

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Mon 20/10

08:30-01:20

1 stop21h 50m

Port of Spain Piarco Intl

Sun 26/10

01:15-06:30

1 stop25h 15m

£539

LondonPort of Spain

LGW - POS

LGWPOS

London Gatwick

Fri 14/11

12:55-18:20

Nonstop9h 25m

Port of Spain Piarco Intl

Mon 24/11

20:10-08:50

Nonstop8h 40m

£539

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Mon 20/10

08:30-01:20

1 stop21h 50m

Port of Spain Piarco Intl

Sun 2/11

02:15-11:20

1 stop29h 05m

£544

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 51 results
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Best time to book a flight from London to Port of Spain

Have a flexible travel schedule? Discover the best time to fly to Port of Spain 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 Port of Spain

How far ahead should I book a flight from London to Port of Spain?

Use this chart to determine the optimal time to book a return flight from London to Port of Spain. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from London to Port of Spain, you should look to book at least 81 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 Port of Spain?

Currently, September is the cheapest month in which you can book a flight from London to Port of Spain (average of £657). Flying from London to Port of Spain in December is currently the most expensive (average of £966). 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 POS?

Find hourly flight availability from London to Port of Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 September 2025.

It’s optimal to fly from London to Port of Spain in the evening. By choosing this option you can save up to 56% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from London to Port of Spain?

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

Travellers seeking maximum savings on their London to Port of Spain flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday 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 Port of Spain?

What’s the top stopover airport for flights from London to Port of Spain?

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

New York (JFK) – chosen by Cheapflights users on 27% of one-stop itineraries from London to Port of Spain on Cheapflights.

What’s the cheapest stopover airport for flights from London to Port of Spain?

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

Castries (UVF) is the most affordable one-stop option, with an average return flight price of £437.

What’s the fastest stopover option from London to Port of Spain?

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

Flights via Castries (UVF) have the shortest average one-way travel time for one-stop routes: 11h 10m.

Which airport typically offers the quickest stopover for flights from London to Port of Spain?

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

Flights via Castries (UVF) offer the fastest connection on this route, with an average stopover time of 1h 00m.

Reviews of airlines servicing Port of Spain

Get insights into the airlines that provide service to Port of Spain. 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 Port of Spain. Reviews last updated 2 September 2025.
Read reviews from past customers who have flown with KLM, Finnair, andAir Canada from London to Port of Spain. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Comfort

7.7

Overall

7.8

Entertainment

7.1

Boarding

7.8

Crew

8.4

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

Entertainment

7.1

Boarding

7.8

Crew

8.4

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

Entertainment

7.1

Boarding

7.8

Crew

8.4

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

Entertainment

7.1

Boarding

7.8

Crew

8.4

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

Entertainment

7.1

Boarding

7.8

Crew

8.4

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

Entertainment

7.1

Boarding

7.8

Crew

8.4

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 London to Port of Spain. 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 Port of Spain from London?

    Located just 12.6 mi from the city center, Port of Spain Piarco Intl is the airport most travelers will use when flying to Port of Spain from London. Booking flights from London to Piarco Intl (POS) should be relatively easy as there are 0 daily inbound flights from London from 7 different airlines.

  • How long is the flight from London to Port of Spain?

    There are many flights that can get you from London to Port of Spain in 9h 25m. Fly via KLM, Air Canada, or British Airways to get the fastest option. The distance from London to Port of Spain is about 4409 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Port of Spain round-trip?

    Currently priced at £412, British Airways will fly you from London to Port of Spain and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and Air Canada - these airlines can fly you to your destination from £423 and £470, respectively. You may be able to fly from London to Port of Spain for 31% less than the average price by searching for these airlines.

  • What are the most popular routes from London to Port of Spain?

  • Can I find deals for flights from London to Port of Spain that include hotel bookings?

    Yes. In addition to deals on London to Port of Spain flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Port of Spain?

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

  • Can I find deals for business class flights from London to Port of Spain?

    Yes. Cheapflights offers flight deals from London to Port of Spain 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 Port of Spain?

    Currently, September is the cheapest month in which you can book a flight from London to Port of Spain (average of £657). Flying from London to Port of Spain in December is currently the most expensive (average of £966). 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

Travelling to a place near Port of Spain?

Book flights to Port of Spain if you plan to visit one of these locations
Piarco

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Fly from London to Port of Spain on these airlines

Choose from the following airlines for your flight from London to Port of Spain. Flights are based on user searches made on Cheapflights and were last updated on 2 September 2025.

Top 7 airlines flying from London to Port of Spain

Discover the top 7 airlines that operate flights from London to Port of Spain. 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 2 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£412Average£629FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£423Average£669FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air CanadaCheapest£470Average£535FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£496Average£537FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
KLMCheapest£499Average£791FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£561Average£752FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£614Average£740FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Port of Spain?

Cheapflights makes it easy to find London to Port of Spain 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 Port of Spain?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Port of Spain from London.

Can Cheapflights find flights from London to Port of Spain with no change fees?

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

Can Cheapflights notify me if prices for flights from London to Port of Spain become cheaper?

Yes! Start tracking prices for London to Port of Spain flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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