Journey information
Overview: Dublin to Portsmouth flight
Flights from Dublin to Portsmouth depart on average 86 times per day, taking around 1h 32m. Cheap flight tickets for this journey start at $31 (€25) if you book in advance.
There are 45 flights per day. The earliest flight runs at 00:55, the last at 23:30. The fastest flight covers the 280 miles (451 km) distance in 1h 10m. August is the cheapest month to fly.
Distance 280 miles (451 km) |
Average flight duration 1h 32m |
Cheapest ticket price $31 (€25) |
Flights per day 86 |
Direct flights 45 |
Fastest flight 1h 10m |
Cheapest month to travel August |
First flight 00:55 |
Last flight 23:30 |
The cheapest and fastest flights from Dublin to Portsmouth
Cheapest price
$32
Average price
$69
Fastest journey
1 h 10 m
Average duration
1 h 20 m
Flights per day
3
Distance
451 km
The best way to find a cheap flight ticket from Dublin to Portsmouth is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Dublin to Portsmouth will cost around $69 if you buy it on the day, but the cheapest tickets can be found for only $32.
Of the 3 flights that leave Dublin for Portsmouth onFri, Feb 06, 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, Feb 06 the direct flights cover the 451 km distance in an average of 1 h 20 m but if you time it right, some flights will get you there in just 1 h 10 m .
On Fri, Feb 06 the longest flights will take 1 h 30 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
Dublin to Portsmouth flight times
The table below shows live departures for Dublin to Portsmouth flights for today, Thursday, February 5. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 3:20 PM Dublin | 1h30 | 4:50 PM Portsmouth | 0 transfersDirect | |
| Friday, February 6 | |||||
![]() | 5:30 AM Dublin | 1h30 | 7:00 AM Portsmouth | 0 transfersDirect | |
![]() | 10:55 AM Dublin | 1h10 | 12:05 PM Portsmouth | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Dublin to Portsmouth 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.
Feb 06
Feb 07
Feb 08
Feb 09
Feb 10
Feb 11
Feb 12
Why should you book Dublin to Portsmouth 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 British Airways or Aer Lingus 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 Edreams, Kayak or Skyscanner?
- Compare with other providers: On Omio, you can also compare tickets for the likes of British Airways or Aer Lingus to find the best option for your trip from Dublin to Portsmouth.
Airlines: Ryanair, Aer Lingus, British Airways from Dublin to PortsmouthFind the best flights between Dublin to Portsmouth with Omio's travel partners Ryanair, Aer Lingus, British Airways from $31 (€25). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
British Airways
Aer Lingus
Ryanair
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.

- Portsmouth Historic Dockyard Festival, a celebration of maritime heritage featuring ship tours, reenactments, and family activities
- Victorious Festival, a vibrant music festival held on Southsea Common showcasing top UK and international acts
- Portsmouth International Kite Festival, an exciting event where colorful kites fill the sky with displays and competitions.
- May Bank Holiday, pleasant weather perfect for outdoor activities and events
- August Bank Holiday, vibrant atmosphere with local festivals and beach activities
- Remembrance Day, poignant ceremonies and a chance to experience the city's rich naval history.
popular airports
Popular airports from Dublin to Portsmouth
- 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
More options for your journey from Dublin to Portsmouth
Here are some other resources that might have the information you need
