Title: Cheap Flights from Port of Spain to Union Island (POS to UNI) - Expedia.co.uk ![Another beautiful day sailing! Grenadines by Sail...Day 4: Off to Another Country! http://onelungtravels.blogspot.com/2012/10/the-next-morning-we-woke-up-early-and.html](https://images.trvl-media.com/place/11652/f65a9055-7c92-4f4b-9ba4-6579afd84967.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Waterlogged Travels ![](https://images.trvl-media.com/place/11652/f65a9055-7c92-4f4b-9ba4-6579afd84967.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Port of Spain (POS) to Union Island (UNI) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Piarco Intl. Airport (POS) to Union Island (UNI) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:pos,to:uni,departure:15/10/2025TANYT&leg2=from:uni,to:pos,departure:22/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:pos,to:uni,departure:15/10/2025TANYT&leg2=from:uni,to:pos,departure:22/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:pos,to:uni,departure:15/10/2025TANYT&leg2=from:uni,to:pos,departure:22/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Ryanair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:pos,to:uni,departure:15/10/2025TANYT&leg2=from:uni,to:pos,departure:22/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:pos,to:uni,departure:15/10/2025TANYT&leg2=from:uni,to:pos,departure:22/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Jet2](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:pos,to:uni,departure:15/10/2025TANYT&leg2=from:uni,to:pos,departure:22/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:pos,to:uni,departure:15/10/2025TANYT&leg2=from:uni,to:pos,departure:22/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Travel information | Origin airport | Piarco Intl. | | --- | --- | | Destination airport | Union Island | | Distance | 220 km | ## Book with confidence ### Compare flights from Port of Spain to Union Island easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Port of Spain to Union Island. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Union Island in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Piarco Intl. to Union Island.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Piarco Intl. (POS) to Union Island (UNI) The easiest way to view the best deals on flights from Port of Spain to Union Island today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Piarco Intl. to Union Island start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Port of Spain and Union Island - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Port of Spain to Union Island flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Piarco Intl. to Union Island for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Holiday Homes - Other - [Ashtown Hotels](https://www.expedia.co.uk/Ashtown-Hotels.d11671.Travel-Guide-Hotels) - [Adults Only Resorts & in Clifton](https://www.expedia.co.uk/Clifton-Hotels-Adults-Only-Resorts.0-0-d11652-tAdultsOnlyResorts.Travel-Guide-Filter-Hotels) - [Spa Hotels in Clifton](https://www.expedia.co.uk/Clifton-Hotels-Spa-Hotels.0-0-d11652-tSpaHotels.Travel-Guide-Filter-Hotels) - [Clifton Hotels](https://www.expedia.co.uk/Clifton-Hotels.d11652.Travel-Guide-Hotels) - [Union Island Hotels](https://www.expedia.co.uk/Union-Island-Hotels.d11758.Travel-Guide-Hotels) - [Flights to Union Island](https://www.expedia.co.uk/Cheap-Flights-To-Union-Island.d11758.Travel-Guide-Flights) - [Flights from Albuquerque (ABQ) to Canouan Island (CIW)](https://www.expedia.co.uk/lp/flights/abq/ciw/albuquerque-to-canouan-island) - 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