Cheap flights from Dublin to Portsmouth

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How to find the cheapest flight from
Dublin (DUB) to Portsmouth (PSM)

All the information you need to plan the best DUB to PSM flight in 2021: compare Dublin to Portsmouth flight prices with the expected peak season, weather and rainfall in Portsmouth.
How far in advance should I book a flight from Dublin to Portsmouth?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 54% on flights from Dublin to Portsmouth compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £356. For sooner than that we have options available in the next 3 days from £455.

What is the cheapest month to fly from Dublin to Portsmouth?

Our data shows that November tends to be the cheapest month to fly to Portsmouth from Dublin. Users have commonly found prices around £298 for the month, but tickets can be as low as £214. Due to multiple factors, prepare for potentially higher prices in July.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Dublin</span> to <span class="emphasized">Portsmouth</span> flights.

Flight FAQs

From Dublin to Portsmouth

Are flight prices decreasing from Dublin to Portsmouth due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Dublin and Portsmouth for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

How popular is this flight route?

Flights from Dublin to Portsmouth Pease Intl have been viewed 1,236 times in the past calendar month.

Does it rain more in Dublin or Portsmouth?

When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Dublin is roughly less than Portsmouth. You can assume this to be the case over the next 22 days.

Is Dublin weather warmer or cooler than Portsmouth?

You can imagine temperatures to be in the 29 °C range in July. The weather in Portsmouth is generally hotter than Dublin's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

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Alternative routes for Dublin to Portsmouth

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Destination information for Portsmouth

Things to know before you go - useful duration and weather info for your trip from Dublin to Portsmouth.
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