- Must visit
Mary Rose Museum
Purpose-built museum displaying Henry VIII’s flagship and thousands of Tudor artefacts, making it one of Portsmouth’s most important heritage attractions.
Flights from Dublin to Portsmouth depart on average 93 times per day, taking around 1h 32m. Cheap flight tickets for this journey start at $61 (€50) if you book in advance.
There are 53 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 25m. October is the cheapest month to fly.
Distance 280 miles (451 km) |
Average flight duration 1h 32m |
Cheapest ticket price $61 (€50) |
Flights per day 93 |
Direct flights 53 |
Fastest flight 1h 25m |
First flight 12:55 AM |
Last flight 11:30 PM |
Cheapest Month Oct |
Cheapest Day Sun |
High Season Oct - Dec |
Low Season Jan - Mar |
Best time to book 1 day |
Cheapest price
$105
Average price
$105
Fastest journey
1 h 25 m
Average duration
1 h 25 m
Flights per day
1
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 $105 if you buy it on the day, but the cheapest tickets can be found for only $105.
Of the 1 flights that leave Dublin for Portsmouth onSun, Jun 21, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Jun 21 the direct flights cover the 451 km distance in an average of 1 h 25 m but if you time it right, some flights will get you there in just 1 h 25 m .
On Sun, Jun 21 the longest flights will take 1 h 25 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.


The table below shows live departures for Dublin to Portsmouth flights for tomorrow, Sunday, June 21. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 6:40 AM Dublin | 1h25 | 8:05 AM Portsmouth | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
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.
Discover the best of Portsmouth — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portsmouth trip today.
Purpose-built museum displaying Henry VIII’s flagship and thousands of Tudor artefacts, making it one of Portsmouth’s most important heritage attractions.
Major naval museum at Portsmouth Historic Dockyard covering Royal Navy history through ships, galleries and interactive displays.
City museum and gallery with local history, art, Conan Doyle connections and changing exhibitions, popular for understanding Portsmouth beyond the dockyard.
Historic waterfront quarter with cobbled lanes, pubs, sea views and easy access to the cathedral, fortifications and harbour mouth.
Long promenade and coastal walking area popular for sea views, gardens, piers and classic Portsmouth seaside atmosphere.
Harbourfront area known for the Spinnaker Tower, marina views and lively modern atmosphere, frequently featured in visitor photos and social media.
Fresh battered fish with chips is a classic Portsmouth seaside staple, often enjoyed on the waterfront.
A creamy soup made with local fish and shellfish, reflecting Portsmouth’s strong naval and fishing heritage.
Sweet dressed crab in bread or a roll is popular on the South Coast and highlights local coastal produce.
Established independent bistro in Old Portsmouth serving creative British and European dishes in a relaxed setting.
Popular Southsea venue for seasonal small plates, brunch, and modern British food with a casual neighborhood feel.
Well-known Southsea restaurant specializing in seafood and modern British cooking in a stylish seafront setting.
Moderate by UK standards. Pubs and casual dining are reasonable, while seafront hotels and fine dining cost more.
Service charge may be added in restaurants. If not, tip 10-12.5% for good service. Round up in taxis. Tipping is not expected for counter service.
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.

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