Journey information
Overview: Dublin to Portsmouth flight
Flights from Dublin to Portsmouth depart on average 108 times per day, taking around 2h 39m. Cheap flight tickets for this journey start at €18 if you book in advance.
There are 60 flights per day. The earliest flight runs at 00:55, the last at 23:30. The fastest flight covers the 451 km distance in 1h 15m. October is the cheapest month to fly.
Distance 451 km |
Average flight duration 2h 39m |
Cheapest ticket price €18 |
Flights per day 108 |
Direct flights 60 |
Fastest flight 1h 15m |
First flight 12:55 AM |
Last flight 11:30 PM |
Cheapest Month Oct |
Cheapest Day Tue |
High Season Oct - Dec |
Low Season Jan - Mar |
Best time to book 5 days |
Frequently asked questions about your Dublin to Portsmouth trip
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from Dublin to Portsmouth.
Why should you book Dublin to Portsmouth flights with Omio?
Why book with Omio vs British Airways?
- Compare with other providers: On Omio, you can not only buy tickets for British Airways, but also compare tickets for the likes of KLM, Aer Lingus, Ryanair or Lufthansa to find the best option for your trip from Dublin to Portsmouth.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
Why book with Omio over Skyscanner, Trip or Edreams?
- Compare with other providers: On Omio, you can also compare tickets for the likes of KLM, Aer Lingus, Ryanair or Lufthansa to find the best option for your trip from Dublin to Portsmouth.
Airlines: KLM, Aer Lingus, Ryanair, Lufthansa, British Airways, BA Cityflyer, Swiss, Qatar Airways, Helvetic Airways, Eurowings from Dublin to PortsmouthFind the best flights between Dublin to Portsmouth with Omio's travel partners KLM, Aer Lingus, Ryanair, Lufthansa, British Airways, BA Cityflyer, Swiss, Qatar Airways, Helvetic Airways, Eurowings from €18. We can find you the best deals, schedules and tickets when comparing and booking the best trip.
Lufthansa
British Airways
Swiss
Qatar Airways
KLM
Aer Lingus
BA Cityflyer
Eurowings
Helvetic Airways
Ryanair
Companies, tickets, and onboard amenities between Dublin and Portsmouth
Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.
FAQs: Dublin to Portsmouth Flight
Find answers to the most common questions about traveling from Dublin to Portsmouth by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Portsmouth, this guide helps you travel smarter and with confidence.

popular airports
Popular airports from Dublin to Portsmouth
Most Dublin to Portsmouth flights use the Dublin Airport to airport pair. Use this guide to compare Dublin and Portsmouth airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
Which Dublin airport do flights to Portsmouth leave from?
Getting to Dublin Airport from Dublin city centre
Dublin Airport is 3 km from Dublin city centre. Public transport options include:
Dublin Airport airport facilities and services
Dublin Airport has practical services for this route, including Wifi, Shopping, Parking, ATM, Taxis, Accessibility, WC, Shower, Lounge, and Lost and Found Office.
Wi-Fi and ATMs
Free Wi-Fi available throughout the airport. ATMs are located in both terminals.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Dublin Airport: Parking, Taxis, WC.
Accessibility
Accessibility facilities are available at Dublin Airport: Ramps, assistance.
More options for your journey from Dublin to Portsmouth
Here are some other resources that might have the information you need
