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Cheap flights from Portsmouth to Caribbean

LHR — SJU
28 Oct — 4 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Caribbean

Popular in

December

Cheapest in

June

Average price

£657
Highest demand for flights based on searches. 3% potential increase in price (£18 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Caribbean

What is the cheapest time of day to fly from P0R to CB?

When flying from Portsmouth to Caribbean, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Caribbean

Get a feel of what it's like to fly with KLM from Portsmouth to Caribbean by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,577 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful
KLM
7.8
Good
1,577 reviews
KLM
7.8
Good
1,577 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful

Related info for your journey

  • What are the most popular routes from Portsmouth to Caribbean?

    Most travelers choose Southampton Eastleigh - Havana Jose Marti Intl, Southampton Eastleigh - Montego Bay Sangster Intl or Southampton Eastleigh - Kingston Norman Manley when deciding on the best route from Portsmouth to Caribbean.

  • Can I find deals for flights from Portsmouth to Caribbean that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Caribbean flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Caribbean?

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

  • Can I find deals for business class flights from Portsmouth to Caribbean?

    Yes. Cheapflights offers flight deals from Portsmouth to Caribbean by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Portsmouth to Caribbean

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Top 10 airlines flying from Portsmouth to Caribbean

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£231Average£861FlexibilityNo cancel feeOn-time71%
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TUI AirwaysCheapest£319Average£654FlexibilityNo cancel feeOn-timeN/A
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JetBlueCheapest£429Average£749FlexibilityNo cancel feeOn-time62%
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Air TransatCheapest£454Average£743FlexibilityNo cancel feeOn-time50%
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FinnairCheapest£487Average£800FlexibilityNo cancel feeOn-time76%
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SWISSCheapest£489Average£716FlexibilityNo cancel feeOn-time79%
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IcelandairCheapest£490Average£948FlexibilityNo cancel feeOn-time76%
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AviancaCheapest£492Average£812FlexibilityNo cancel feeOn-time71%
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Air CanadaCheapest£503Average£713FlexibilityNo cancel feeOn-time67%
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British AirwaysCheapest£534Average£857FlexibilityNo cancel feeOn-time70%
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Fly with Cheapflights

How does Cheapflights help users find flights from Portsmouth to Caribbean?

Cheapflights makes it easy to find Portsmouth to Caribbean 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 Portsmouth to Caribbean?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to Caribbean.

Can Cheapflights find flights from Portsmouth to Caribbean with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Portsmouth to Caribbean flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Portsmouth to Caribbean become cheaper?

Yes! Start tracking prices for Portsmouth to Caribbean 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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