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Trinidad and Tobago to Saint Lucia flight

Flying From Trinidad and Tobago to Saint Lucia: What You Need to Know

Cheapest one-way flight price£135
Cheapest return ticket price£304
Off-season travel monthOctober
Peak season for travelJanuary
Popular airlineCaribbean Airlines
Cheapest monthMarch

Compare multiple airlines at once to find the best flight deals from Trinidad and Tobago to Saint Lucia.

Airlines Flying From Trinidad and Tobago to Saint Lucia
Caribbean Airlines logo Caribbean Airlines

Search Flights From Trinidad and Tobago to Saint Lucia

Easily compare flights from Trinidad and Tobago to Saint Lucia and find the cheapest tickets available!

Looking for affordable flights from Trinidad and Tobago to Saint Lucia? Check out these great prices for the next 90 days, starting at just £135 for a one-way ticket and £304 for a round-trip.

      • Cheapest nonstop
        Wed, Sep 30
        POS
        SLU
        |
        Port Of Spain
        Castries
        Direct | Caribbean Airlines
        Sun, Oct 4
        SLU
        POS
        |
        Castries
        Port Of Spain
        Direct | Caribbean Airlines
        £304 £432
        30% off
        30% off
        £432 £304
      • Fri, Sep 18
        TAB
        SLU
        |
        Tobago
        Castries
        1 stop | Caribbean Airlines
        Sun, Sep 20
        SLU
        TAB
        |
        Castries
        Tobago
        1 stop | Caribbean Airlines
        £358 £432
        17% off
        17% off
        £432 £358
      • Thu, Aug 20
        POS
        SLU
        |
        Port Of Spain
        Castries
        1 stop | Normal Airline
        Sat, Aug 22
        SLU
        POS
        |
        Castries
        Port Of Spain
        Direct | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        Sat, Oct 10
        POS
        SLU
        |
        Port Of Spain
        Castries
        Direct | Caribbean Airlines
        £135 £167
        19% off
        19% off
        £167 £135
      • Sat, Sep 12
        TAB
        UVF
        |
        Tobago
        Castries
        Direct | British Airways
        £138 £167
        17% off
        17% off
        £167 £138
      • Thu, Aug 20
        POS
        SLU
        |
        Port Of Spain
        Castries
        1 stop | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Trinidad and Tobago to Saint Lucia are based on average prices across airlines over the next 3 months, according to the latest Trip.com data.

FAQs: Flights From Trinidad and Tobago to Saint Lucia

  • When is it the cheapest time to fly from Trinidad and Tobago to Saint Lucia?

    According to our flights calendar over the next 90 days, it seems the cheapest date is on 2026-09-25 for one-way flights.
  • The cheapest return flight from Trinidad and Tobago to Saint Lucia is on the route from Port Of Spain to Castries, with prices starting at £294 for a return trip between 2026-09-09 and 2026-09-16.
  • Based on our flight data, the average flight time from Trinidad and Tobago to Saint Lucia is approximately 1 hour 21 minutes based on our most popular routes from Port Of Spain to Castries. The time may also vary depending on your destination.
  • The cheapest airline flying to Saint Lucia from Trinidad and Tobago is Caribbean Airlines serving the route from Port Of Spain to Castries.
  • Caribbean Airlines are airlines that fly frequently from Trinidad and Tobago to Saint Lucia. The overall price will vary depending on your destination and travel dates. Budget airlines generally offer lower prices to Australia, but they may have limited baggage allowance, reduced onboard services, and longer commuting times to secondary airports.

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