Title: Cheap Flights to Treffynnon - Expedia.co.uk ![The Holway estate. A view looking south from a field entrance on the track to Moor Farm, showing the Holway estate and Pen-y-Ball hill behind.](https://images.trvl-media.com/place/3000401455/3efee539-5ee8-4665-be1f-324fd008db39.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Phil Williams ![](https://images.trvl-media.com/place/3000401455/3efee539-5ee8-4665-be1f-324fd008db39.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £17 Cheap Flights to Treffynnon [View £17 flight on Fri, 20 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:DUB,to:CWL,departure:20/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:16.99&airProductToken=AQowCi4IxqQBEgM2MzQYgw0gwl0oh5SIAzDIlIgDOKBAQABYAWoFQmFzaWNyBUJBU0lDEgoIARABGAEqAkZSGAEiBAgBEAEoAigDMA0) [Treffynnon Travel Guide](https://expedia.co.uk/Treffynnon.dx3000401455)[Hotels in Treffynnon](https://expedia.co.uk/Treffynnon-Hotels.d3000401455.Travel-Guide-Hotels)[Treffynnon Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Treffynnon.d3000401455.Car-Hire-Guide)[Treffynnon Holidays](https://expedia.co.uk/Treffynnon.d3000401455.Holidays-City-Breaks) ## Popular airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg) KLM [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,departure:14/03/2026TANYT&leg2=from:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,to:CMH,departure:21/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AF.svg) Air France [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,departure:14/03/2026TANYT&leg2=from:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,to:CMH,departure:21/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AF"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VS.svg) Virgin Atlantic [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,departure:14/03/2026TANYT&leg2=from:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,to:CMH,departure:21/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) - ![](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:CMH,to:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,departure:14/03/2026TANYT&leg2=from:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,to:CMH,departure:21/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,departure:14/03/2026TANYT&leg2=from:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,to:CMH,departure:21/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EI.svg) Aer Lingus [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,departure:14/03/2026TANYT&leg2=from:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,to:CMH,departure:21/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EI"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,departure:14/03/2026TANYT&leg2=from:Treffynnon, Haverfordwest, Pembrokeshire, Wales, United Kingdom,to:CMH,departure:21/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap round-trip flights to Treffynnon Prices were available within the past 7 days and start at £17 for one-way flights and £34 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Ryanair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/FR.gif) Fri, 20 Mar - Mon, 23 Mar DUB Dublin CWL Cardiff £34 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DUB,to:CWL,departure:20/03/2026TANYT&leg2=from:CWL,to:DUB,departure:23/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:33.98&airProductToken=AQowCi4IxqQBEgM2MzQYgw0gwl0oh5SIAzDIlIgDOKBAQABYAWoFQmFzaWNyBUJBU0lDCjAKLgjGpAESAzYzNRjCXSCDDSiCt4gDMMO3iAM4oEBAAFgBagVCYXNpY3IFQkFTSUMSCggBEAEYASoCRlIYASIECAEQASgCKAMoBDAN) ![Vueling Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VY.GIF) Mon, 7 Dec - Sat, 12 Dec ALC Alicante CWL Cardiff £60 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ALC,to:CWL,departure:07/12/2026TANYT&leg2=from:CWL,to:ALC,departure:12/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:59.39&airProductToken=AQo2CjQI1rIBEgQxMjQxGOASIMJdKIqUnwMwoJWfAzhEQABYAWoIRkxZTElHSFRyCERPV1ZZQ0xCCjYKNAjWsgESBDEyNDAYwl0g4BIo7c2fAzD5zp8DOERAAFgBaghGTFlMSUdIVHIIRE9XVllDTEISCggLEAEYCCoCVlkYASIECAEQASgCMAM) ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Fri, 6 Mar - Sun, 8 Mar DUB Dublin CWL Cardiff £70 Return found 1 hour ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DUB,to:CWL,departure:06/03/2026TANYT&leg2=from:CWL,to:DUB,departure:08/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:69.81&airProductToken=AQo9CjsIxZIBEgQzMjkwGIMNIMJdKKLwhgMw6PCGAzhBQABYAWoGTE9XX1NIcgVBUlQ3MXoKCMWCARIEMzI5MAo9CjsIxZIBEgQzMjk5GMJdIIMNKN-MhwMwqo2HAzhBQABYAWoGTE9XX1NIcgVBUlQ3MXoKCMWCARIEMzI5ORIKCAEQARgBKgJFSRgBIgQIARABKAIoAygEMA0) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Tue, 10 Mar - Sat, 14 Mar ALC Alicante CWL Cardiff £132 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ALC,to:CWL,departure:10/03/2026TANYT&leg2=from:CWL,to:ALC,departure:14/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:132.00&airProductToken=AQo-CjwIyYQBEgQ1MjUzGOASIMJdKI-ghwMwpaGHAzhRQABYAWoGT1BUSU1BcgZRUk40Vll6CgjWsgESBDUyNTMKPgo8CMmEARIENTI1MhjCXSDgEiip0IcDMLXRhwM4QUAAWAFqBk9QVElNQXIGQVJONFZZegoI1rIBEgQ1MjUyEgoIAhABGAIqAklCGAEiBAgBEAEoAigDKAQwDQ) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Sat, 13 Jun - Sat, 20 Jun ALC Alicante CWL Cardiff £161 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ALC,to:CWL,departure:13/06/2026TANYT&leg2=from:CWL,to:ALC,departure:20/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:160.65&airProductToken=AQpoCjIIy5gBEgQxNTQwGOASIICTASjTzY8DMPPOjwM4R0AAWAFqBUxJR0hUcghHWVE5MkFMQQoyCMuYARIEMTA4NxiAkwEgwl0o_9SPAzDP1Y8DOEdAAVgBagVMSUdIVHIIR1lROTJBTEEKaAoyCMuYARIEMTA5MhjCXSCAkwEog52QAzDTnZADOEdAAFgBagVMSUdIVHIIR1lROTJBTEEKMgjLmAESBDE1MzkYgJMBIOASKIamkAMwoaeQAzhHQAFYAWoFTElHSFRyCEdZUTkyQUxBEgoIARABGAEqAktMGAEiBAgBEAEoAigDKAQwDQ) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-uk-fr-de.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Holiday Sale Members save up to 40% on hotels and holiday homes. Plan this year’s big trip and save. [Book now](https://expedia.co.uk/cheap-deals?rfrr=FTG_SPRING_PROMO_) ## Book with confidence # Expedia flights to Treffynnon Searching for cheap flights to Treffynnon? No travel company presents more choices than Expedia if you're looking to compare flights to Treffynnon. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Haverfordwest. Expedia provides the cheapest flights to many destinations in Haverfordwest and you may find even greater savings if you combine your flight with a hotel stay in Treffynnon. Expedia is the largest online travel agency which means that Expedia have access to cheap flights. So make sure you check Expedia regularly for these bargain flights because the cheapest airline tickets sell out fast. Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Treffynnon for that period and let you choose your preferred time and airline. If you need additional assistance, Expedia Customer Service representatives are available from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends. Our capable staff will be able to help you with any questions regarding your Treffynnon flight, or other booking questions that may arise. When you book flights with Expedia you can rest assured that you have booked the best flight at the lowest price. ## Travel information | Destination airport | Cardiff Intl. | | ----------------------------- | ------------- | | Destination airport IATA code | CWL | | Destination city name | Cardiff | | Return price | £1,151 | ## Trending flights to Treffynnon Prices were available within the past 7 days and start at £17 for one-way flights and £34 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Thu, 22 Oct - Sat, 24 Oct BHD Belfast CWL Cardiff £103 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BHD,to:CWL,departure:22/10/2026TANYT&leg2=from:CWL,to:BHD,departure:24/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:102.83&airProductToken=AQo7CjkIxZIBEgQzNjIwGOEZIMJdKMuMmwMwlo2bAzhBQABYAWoGTE9XX1NIcgRBSlg5egkIxWISBDM2MjAKOwo5CMWSARIEMzYyMRjCXSDhGSj0o5sDMNOkmwM4QUAAWAFqBkxPV19TSHIEQUpYOXoJCMViEgQzNjIxEgoIARABGAEqAkVJGAEiBAgBEAEoAigDKAQwDQ) \*Available to Expedia members.