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Cheap flights from Dublin to Portsmouth from £80

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LHR
31 Dec — 7 Jan1
1 adult

The best prices from Dublin to Portsmouth are usually found in January or December, booked 15 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Dublin to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Portsmouth (P0R). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 December 2024.

Round-trip from

£80

Popular in

June

Cheapest in

January

Average price

£100
Aer Lingus
  • Aer Lingus
  • 4/2-5/2
  • Nonstop
  • 3h 25m total
  • Dublin to Portsmouth
Search Deals
High demand for flights, 25% potential price rise
Search Deals
Best time to find cheap flights, 5% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

Find flight deals from Dublin to Portsmouth

Cheapest flights from Dublin to Portsmouth
Explore the most affordable flight options available from Dublin to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 December 2024.

Thu 26/1213:55DUB - SOU
Nonstop1h 40mBritish Airways
Mon 30/1220:10SOU - DUB
Nonstop1h 40mBritish Airways
Deal found 26/12£327
Thu 26/1217:25DUB - SOU
1 stop15h 00mMultiple Airlines
Mon 30/1220:10SOU - DUB
Nonstop1h 40mMultiple Airlines
Deal found 26/12£335
Thu 26/1213:55DUB - SOU
Nonstop1h 40mAer Lingus
Mon 30/1219:25SOU - DUB
2 stops19h 00mAer Lingus
Deal found 26/12£398

Find flights from Dublin to Portsmouth within your budget

Customise your flight search to find flights from Dublin to Portsmouth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Tue 4/2

07:00-08:45

Nonstop1h 45m

Southampton Eastleigh

Wed 5/2

09:30-11:10

Nonstop1h 40m

£80

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Tue 4/2

07:00-08:45

Nonstop1h 45m

Southampton Eastleigh

Wed 5/2

09:20-18:00

1 stop8h 40m

£109

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 16/1

05:55-16:50

1 stop10h 55m

Southampton Eastleigh

Sun 19/1

17:20-22:05

1 stop4h 45m

£174

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 9/1

18:00-19:40

Nonstop1h 40m

Southampton Eastleigh

Mon 13/1

20:10-21:50

Nonstop1h 40m

£223

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 9/4

17:50-19:30

Nonstop1h 40m

£101

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 9/4

18:35-14:20

2 stops19h 45m

£117

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 9/4

20:45-08:45

1 stop12h 00m

£121

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 2/1

07:00-08:45

Nonstop1h 45m

£200

Flights are sorted by cheapest return flights first.

Deals found on 25/12

Best time to book a flight from Dublin to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Dublin with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Dublin to Portsmouth

Get recent, data-driven insights about flights from Dublin to Portsmouth including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Dublin to Portsmouth?

Use this chart to determine the optimal time to book a return flight from Dublin to Portsmouth. Price data was last updated on 20 December 2024.

Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dublin to Portsmouth. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Dublin to Portsmouth?

Currently, January is the cheapest month in which you can book a flight from Dublin to Portsmouth (average of £112). Flying from Dublin to Portsmouth in July is currently the most expensive (average of £160). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DUB to P0R?

Find hourly flight availability from Dublin to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 December 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to Portsmouth as you normally would.

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

Use this chart to determine the cheapest time to fly return from Dublin to Portsmouth. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Dublin to Portsmouth flight should consider departing on Monday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dublin to Portsmouth

Explore weekly flight availability from Dublin to Portsmouth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 26 December 2024.

The most flights from DUB to P0R are scheduled on a Thursday (70 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (40 on average).

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portsmouth ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Portsmouth when rainfall is around 25.0 mm.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portsmouth. Reviews last updated 26 December 2024.
KLM
7.8
Good
1,344 reviews
Check prices

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

KLM
7.8
Good
1,344 reviews
KLM
7.8
Good
1,344 reviews
Check prices

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Aer Lingus
7.1
Good
1,074 reviews
KLM
7.8
Good
1,344 reviews
Check prices

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

British Airways
6.6
Okay
6,808 reviews
KLM
7.8
Good
1,344 reviews
Check prices

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Related info for your journey

Find useful and relevant information for your journey from Dublin to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Dublin to Portsmouth?

    For a flight from Dublin to Portsmouth, you will be flying from Dublin. Dublin (DUB) is just 5.7 mi from the center of the city. Dublin is the only Dublin airport and it handles 4 outbound flights to Portsmouth per day. 3 airlines have flights to Portsmouth from Dublin on a regular basis.

  • What are the cheapest airlines to fly from Dublin to Portsmouth one-way?

    One-way options have recently been found by users for as low as £101 on British Airways. Other airlines that offer cheap prices include KLM from £121 and Aer Lingus from £200 one-way.

  • What are the most reliable airlines from Dublin to Portsmouth?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dublin to Portsmouth on time: Qatar Airways (65%), Aer Lingus (64%), British Airways (64%).

  • What are the cheapest flights from Dublin to Portsmouth?

    Looking for the cheapest flight from Dublin to Portsmouth? While on average our users pay £1,275, our data indicates the cheapest price to be £28. The most popular route (Dublin - Southampton Eastleigh), is priced around £80.

  • Can I find deals for flights from Dublin to Portsmouth that include hotel bookings?

    Yes. In addition to deals on Dublin to Portsmouth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Portsmouth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Portsmouth.

  • Can I find deals for business class flights from Dublin to Portsmouth?

    Yes. Cheapflights offers flight deals from Dublin to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dublin to Portsmouth?

    Currently, January is the cheapest month in which you can book a flight from Dublin to Portsmouth (average of £112). Flying from Dublin to Portsmouth in July is currently the most expensive (average of £160). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from Dublin to Portsmouth

Discover the top 3 airlines that operate flights from Dublin to Portsmouth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 December 2024.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£31Average£72FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£54Average£109FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£60Average£131FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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How does Cheapflights help users find flights from Dublin to Portsmouth?

Cheapflights makes it easy to find Dublin to Portsmouth flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Portsmouth?

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Can Cheapflights find flights from Dublin to Portsmouth with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dublin to Portsmouth flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Dublin to Portsmouth become cheaper?

Not ready to book yet? You can track prices for flights from Dublin to Portsmouth on Cheapflights with our Price Alert feature and get notified when better prices are available.

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