Journey information
Overview: Portsmouth to Dublin flight
Flights from Portsmouth to Dublin depart on average 75 times per day, taking around 1h 23m. Cheap flight tickets for this journey start at £19 if you book in advance.
There are 51 flights per day. The earliest flight runs at 00:55, the last at 23:00. The fastest flight covers the 451 km distance in 1h 15m. August is the cheapest month to fly.
Distance 451 km |
Average flight duration 1h 23m |
Cheapest ticket price £19 |
Flights per day 75 |
Direct flights 51 |
Fastest flight 1h 15m |
Cheapest month to travel August |
First flight 00:55 |
Last flight 23:00 |
The cheapest and fastest flights from Portsmouth to Dublin
Cheapest price
£43
Average price
£86
Fastest journey
1 h 20 m
Average duration
1 h 30 m
Flights per day
2
Distance
451 km
The best way to find a cheap flight ticket from Portsmouth to Dublin is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Portsmouth to Dublin will cost around £86 if you buy it on the day, but you can find cheap flight tickets today for only £43.
Of the 2 flights that leave Portsmouth for Dublin every day 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct flights cover the 451 km distance in an average of 1 h 30 m but if you time it right, some flights will get you there in just 1 h 20 m .
The slowest flights will take 1 h 40 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.




Live departures
Portsmouth to Dublin flight times
The table below shows live departures for Portsmouth to Dublin flights for tomorrow, Monday 2 March. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 06:30 Portsmouth | 1h20 | 07:50 Dublin | 0 changesdirect | |
![]() | 09:30 Portsmouth | 1h40 | 11:10 Dublin | 0 changesdirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Portsmouth to Dublin by flight
Compare flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
02 Mar
03 Mar
04 Mar
05 Mar
06 Mar
07 Mar
08 Mar
Why should you book Portsmouth to Dublin flights with Omio?
Why book with Omio vs Ryanair?
- Compare with other providers: On Omio, you can not only buy tickets for Ryanair, but also compare tickets for the likes of Aer Lingus or British Airways to find the best option for your trip from Portsmouth to Dublin.
- 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 Edreams, Kayak or Skyscanner?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Aer Lingus or British Airways to find the best option for your trip from Portsmouth to Dublin.
Airlines: Ryanair, Aer Lingus, British Airways from Portsmouth to DublinFind the best flights between Portsmouth to Dublin with Omio's travel partners Ryanair, Aer Lingus, British Airways from £19. We can find you the best deals, schedules and tickets when comparing and booking the best trip.
British Airways
Aer Lingus
Ryanair
FAQs: Portsmouth to Dublin flights
Find answers to the most common questions about traveling from Portsmouth to Dublin 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 Dublin, this guide helps you travel smarter and with confidence.

popular airports
Important Stations and Airports in Portsmouth and Dublin
- Free Wi-Fi available throughout the airport.
- Shops in both terminals, includes WHSmith and The Loop.
- Short-term and long-term parking available, short-term from 3€ per hour.
- Available outside the terminal.
- Ramps, assistance.
- Available throughout the airport.
- Yes
- Several lounges including the DAA Executive Lounge.
- Located in both terminals.
- Bus: 16, 41, 102, 747
- Train: NA
- Metro: NA
Most popular flights from Portsmouth
More options for your journey from Portsmouth to Dublin
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