How long is the flight from Portsmouth to Dublin?

There are many flights that can get you from Portsmouth to Dublin in 1h 35m. Fly via Aer Lingus to get the fastest option. Airlines will cover a distance of 268 mi. Most flights are nonstop.

In terms of precipitation, rainfall in Dublin ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Dublin when rainfall is around 49.0 mm.

If weather is an important factor for your trip to Dublin, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the cheapest flights from Portsmouth to Dublin?

Looking at all options, your cheapest flight can be booked for £80. While the most popular route (Southampton Eastleigh - Dublin) can be booked for £62 on average, our data indicates £821 when flying from Portsmouth to Dublin.

What are the most reliable airlines from Portsmouth to Dublin?

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 Portsmouth to Dublin on time: LATAM Airlines (80%), Air Canada (77%), Qatar Airways (71%).

What are the most popular airlines that fly from Portsmouth to Dublin?

Consider British Airways, Aer Lingus or Ryanair when booking your flight. These represent the most popular airlines when flying from Portsmouth to Dublin.

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

If you book a flight to Dublin from Portsmouth, you will be flying to Dublin, which is the city’s only airport. Dublin (DUB) is located 5.7 mi from the center of Dublin. There are 4 flights from Portsmouth to Dublin per day from 4 different airlines.

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

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

How can I find direct flights from Portsmouth to Dublin?

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

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

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

£55+ Flights from Portsmouth to Dublin

Q: How much does it cost for a return flight from Portsmouth to Dublin?

Airfare is below average for this route at the moment. Portsmouth to Dublin flights typically cost between £120 and £176 in December. The cheapest return flight price found within the last 3 days was £95 on Aer Lingus (13 Dec-16 Dec).

Cheapflights Tip: The best prices from Portsmouth to Dublin are usually found in January or February, booked 68 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Portsmouth to Dublin

Round-trip from	£95
One-way from	£55
Popular in	June
Cheapest in	January
Average price	£144

Aer Lingus
13/12-16/12
Nonstop
3h 20m total
Portsmouth to Dublin

Search Deals

Aer Lingus
11/12
Nonstop
1h 40m total
Portsmouth to Dublin

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£15 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Portsmouth to Dublin

Cheapest flights from Portsmouth to Dublin
Explore the most affordable flight options available from Portsmouth to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Sat 13/1209:30SOU - DUB

Nonstop1h 40mAer Lingus

Wed 17/1213:55DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 15/9£95

Tue 7/1012:25SOU - DUB

1 stop4h 30mMultiple Airlines

Wed 29/1010:10DUB - SOU

Nonstop1h 45mMultiple Airlines

Deal found 15/9£96

Sat 13/1209:30SOU - DUB

Nonstop1h 40mAer Lingus

Thu 18/1207:00DUB - SOU

Nonstop1h 45mAer Lingus

Deal found 15/9£97

Sat 13/1209:30SOU - DUB

Nonstop1h 40mAer Lingus

Sun 14/1207:00DUB - SOU

Nonstop1h 45mAer Lingus

Deal found 15/9£98

Wed 8/1009:00SOU - DUB

1 stop8h 15mMultiple Airlines

Sun 12/1006:55DUB - SOU

Nonstop1h 40mMultiple Airlines

Deal found 15/9£99

Wed 15/1020:00SOU - DUB

Nonstop1h 35mMultiple Airlines

Tue 21/1018:20DUB - SOU

1 stop14h 10mMultiple Airlines

Deal found 14/9£100

Fri 10/1020:00SOU - DUB

Nonstop1h 35mAer Lingus

Sun 12/1006:55DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 14/9£100

Wed 15/1020:00SOU - DUB

Nonstop1h 35mAer Lingus

Sun 19/1006:55DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 15/9£102

Wed 15/1020:00SOU - DUB

Nonstop1h 35mMultiple Airlines

Wed 22/1021:00DUB - SOU

2 stops15h 45mMultiple Airlines

Deal found 15/9£103

Fri 26/920:00SOU - DUB

Nonstop1h 35mAer Lingus

Tue 30/906:35DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 14/9£104

Thu 11/1217:55SOU - DUB

1 stop4h 30mMultiple Airlines

Thu 18/1207:00DUB - SOU

Nonstop1h 45mMultiple Airlines

Deal found 15/9£105

Thu 11/1217:55SOU - DUB

1 stop4h 30mMultiple Airlines

Fri 19/1207:00DUB - SOU

Nonstop1h 45mMultiple Airlines

Deal found 15/9£106

Best flights from Portsmouth to Dublin
Discover carefully curated flight deals from Portsmouth to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Tue 7/1012:25SOU - DUB

1 stop4h 30mMultiple Airlines

Wed 29/1010:10DUB - SOU

Nonstop1h 45mMultiple Airlines

Deal found 15/9£96

Fri 10/1020:00SOU - DUB

Nonstop1h 35mAer Lingus

Sun 12/1006:55DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 15/9£106

Wed 15/1020:00SOU - DUB

Nonstop1h 35mMultiple Airlines

Wed 22/1021:00DUB - SOU

2 stops15h 45mMultiple Airlines

Deal found 15/9£103

Mon 29/908:05SOU - DUB

1 stop26h 50mMultiple Airlines

Wed 29/1010:10DUB - SOU

Nonstop1h 45mMultiple Airlines

Deal found 15/9£106

Wed 8/1009:00SOU - DUB

2 stops14h 20mMultiple Airlines

Sun 12/1006:55DUB - SOU

Nonstop1h 40mMultiple Airlines

Deal found 15/9£128

Mon 6/1011:50SOU - DUB

2 stops12h 50mMultiple Airlines

Tue 7/1006:35DUB - SOU

Nonstop1h 40mMultiple Airlines

Deal found 15/9£132

Mon 13/1020:30SOU - DUB

2 stops15h 40mMultiple Airlines

Mon 30/307:00DUB - SOU

Nonstop1h 40mMultiple Airlines

Deal found 15/9£132

Thu 30/1018:05SOU - DUB

1 stop4h 05mMultiple Airlines

Thu 6/1107:00DUB - SOU

Nonstop1h 45mMultiple Airlines

Deal found 15/9£133

Thu 23/1017:35SOU - DUB

1 stop4h 50mMultiple Airlines

Mon 27/1007:00DUB - SOU

Nonstop1h 45mMultiple Airlines

Deal found 16/9£139

Wed 29/1008:40SOU - DUB

1 stop4h 00mMultiple Airlines

Wed 29/1018:00DUB - SOU

Nonstop1h 40mMultiple Airlines

Deal found 15/9£139

Thu 16/1017:35SOU - DUB

1 stop4h 50mMultiple Airlines

Thu 23/1007:00DUB - SOU

Nonstop1h 40mMultiple Airlines

Deal found 16/9£140

Direct flights from Portsmouth to Dublin
Explore direct flight options from Portsmouth to Dublin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Sat 13/1209:30SOU - DUB

Nonstop1h 40mAer Lingus

Wed 17/1213:55DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 15/9£95

Thu 11/1220:10SOU - DUB

Nonstop1h 40mAer Lingus

Sat 13/1207:00DUB - SOU

Nonstop1h 45mAer Lingus

Deal found 15/9£96

Sat 13/1209:30SOU - DUB

Nonstop1h 40mAer Lingus

Thu 18/1207:00DUB - SOU

Nonstop1h 45mAer Lingus

Deal found 15/9£97

Sat 13/1209:30SOU - DUB

Nonstop1h 40mAer Lingus

Sun 14/1207:00DUB - SOU

Nonstop1h 45mAer Lingus

Deal found 15/9£98

Fri 13/220:10SOU - DUB

Nonstop1h 40mAer Lingus

Sun 15/218:00DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 15/9£99

Mon 20/1020:00SOU - DUB

Nonstop1h 35mAer Lingus

Thu 23/1007:00DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 16/9£100

Wed 29/1012:25SOU - DUB

Nonstop1h 35mAer Lingus

Wed 29/1018:00DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 15/9£100

Wed 15/1020:00SOU - DUB

Nonstop1h 35mAer Lingus

Sun 19/1006:55DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 15/9£102

Thu 9/1020:00SOU - DUB

Nonstop1h 35mAer Lingus

Sat 11/1014:10DUB - SOU

Nonstop1h 35mAer Lingus

Deal found 15/9£104

Fri 26/920:00SOU - DUB

Nonstop1h 35mAer Lingus

Tue 30/906:35DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 15/9£106

Fri 10/1020:00SOU - DUB

Nonstop1h 35mAer Lingus

Sun 12/1006:55DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 15/9£108

Last-minute flights from Portsmouth to Dublin
Discover last-minute flight deals from Portsmouth to Dublin. Data last updated 17 September 2025 and is based on user searches.

Fri 26/920:00SOU - DUB

Nonstop1h 35mAer Lingus

Tue 30/906:35DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 15/9£106

Mon 29/908:05SOU - DUB

1 stop26h 50mMultiple Airlines

Tue 7/1006:35DUB - SOU

Nonstop1h 40mMultiple Airlines

Deal found 15/9£105

Mon 29/908:05SOU - DUB

1 stop26h 50mMultiple Airlines

Wed 29/1010:10DUB - SOU

Nonstop1h 45mMultiple Airlines

Deal found 15/9£106

Tue 7/1012:25SOU - DUB

1 stop4h 30mMultiple Airlines

Wed 29/1010:10DUB - SOU

Nonstop1h 45mMultiple Airlines

Deal found 15/9£96

Wed 8/1009:00SOU - DUB

1 stop8h 15mMultiple Airlines

Sun 12/1006:55DUB - SOU

Nonstop1h 40mMultiple Airlines

Deal found 15/9£99

Thu 9/1020:00SOU - DUB

Nonstop1h 35mAer Lingus

Sat 11/1014:10DUB - SOU

Nonstop1h 35mAer Lingus

Deal found 15/9£104

Fri 10/1020:00SOU - DUB

Nonstop1h 35mAer Lingus

Sun 12/1006:55DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 15/9£108

Tue 14/1020:00SOU - DUB

Nonstop1h 35mMultiple Airlines

Tue 21/1018:20DUB - SOU

1 stop14h 10mMultiple Airlines

Deal found 15/9£100

Wed 15/1020:00SOU - DUB

Nonstop1h 35mAer Lingus

Sun 19/1006:55DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 15/9£102

Wed 15/1020:00SOU - DUB

Nonstop1h 35mMultiple Airlines

Wed 22/1021:00DUB - SOU

2 stops15h 45mMultiple Airlines

Deal found 15/9£103

Mon 20/1020:00SOU - DUB

Nonstop1h 35mAer Lingus

Thu 23/1007:00DUB - SOU

Nonstop1h 40mAer Lingus

Deal found 16/9£100

One-way flights from Portsmouth to Dublin
Search for one-way flight options from Portsmouth to Dublin. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Thu 11/1220:10SOU - DUB

Nonstop1h 40mAer Lingus

Deal found 16/9£55

Thu 4/1220:10SOU - DUB

Nonstop1h 40mAer Lingus

Deal found 16/9£56

Fri 13/220:10SOU - DUB

Nonstop1h 40mAer Lingus

Deal found 15/9£57

Tue 11/1112:25SOU - DUB

Nonstop1h 35mAer Lingus

Deal found 15/9£58

Thu 11/1217:55SOU - DUB

1 stop4h 30mMultiple Airlines

Deal found 16/9£60

Thu 30/1009:30SOU - DUB

Nonstop1h 40mAer Lingus

Deal found 15/9£61

Wed 8/1009:00SOU - DUB

1 stop12h 30mMultiple Airlines

Deal found 15/9£68

Wed 8/1009:10SOU - DUB

Nonstop1h 40mAer Lingus

Deal found 15/9£73

Sun 15/309:30SOU - DUB

Nonstop1h 40mAer Lingus

Deal found 15/9£75

Thu 4/1217:55SOU - DUB

1 stop4h 30mMultiple Airlines

Deal found 16/9£81

Fri 10/1009:40SOU - DUB

Nonstop1h 40mAer Lingus

Deal found 15/9£96

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Tue 7/10

12:25-16:55

1 stop4h 30m

Dublin

Wed 29/10

10:10-11:55

Nonstop1h 45m

£96

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 15/10

20:00-21:35

Nonstop1h 35m

Dublin

Wed 22/10

21:00-12:45

2 stops15h 45m

£103

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 29/9

08:05-10:55

1 stop26h 50m

Dublin

Wed 29/10

10:10-11:55

Nonstop1h 45m

£106

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 10/10

20:00-21:35

Nonstop1h 35m

Dublin

Sun 12/10

06:55-08:35

Nonstop1h 40m

£106

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 8/10

09:00-23:20

2 stops14h 20m

Dublin

Sun 12/10

06:55-08:35

Nonstop1h 40m

£128

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 6/10

11:50-00:40

2 stops12h 50m

Dublin

Tue 7/10

06:35-08:15

Nonstop1h 40m

£132

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 13/10

20:30-12:10

2 stops15h 40m

Dublin

Mon 30/3

07:00-08:40

Nonstop1h 40m

£132

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 30/10

18:05-22:10

1 stop4h 05m

Dublin

Thu 6/11

07:00-08:45

Nonstop1h 45m

£133

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 23/10

17:35-22:25

1 stop4h 50m

Dublin

Mon 27/10

07:00-08:45

Nonstop1h 45m

£139

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 29/10

08:40-12:40

1 stop4h 00m

Dublin

Wed 29/10

18:00-19:40

Nonstop1h 40m

£139

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 23 results

Best time to book a flight from Portsmouth to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Portsmouth 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.

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Dublin

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

The best time to book flights from Portsmouth to Dublin is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Dublin (average of £71). Flying from Portsmouth to Dublin in April is currently the most expensive (average of £92). 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 P0R to DUB?

When flying from Portsmouth to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

Weekly flight availability from Portsmouth to Dublin

The most flights from P0R to DUB are scheduled on a Monday (69 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (29 on average).

How much does it cost for a return flight from Portsmouth to Dublin?

Reviews of airlines servicing Dublin

Read reviews from past customers who have flown with KLM, Aer Lingus, andRyanair from Portsmouth to Dublin. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Aer Lingus

7.2

Good

1,274 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Ryanair

6.8

Okay

5,157 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7,363 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

What airport do you fly into for flights to Dublin from Portsmouth?
If you book a flight to Dublin from Portsmouth, you will be flying to Dublin, which is the city’s only airport. Dublin (DUB) is located 5.7 mi from the center of Dublin. There are 4 flights from Portsmouth to Dublin per day from 4 different airlines.
How long is the flight from Portsmouth to Dublin?
There are many flights that can get you from Portsmouth to Dublin in 1h 35m. Fly via Aer Lingus to get the fastest option. Airlines will cover a distance of 268 mi. Most flights are nonstop.
What are the most reliable airlines from Portsmouth to Dublin?
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 Portsmouth to Dublin on time: LATAM Airlines (80%), Air Canada (77%), Qatar Airways (71%).
What are the cheapest flights from Portsmouth to Dublin?
Looking at all options, your cheapest flight can be booked for £80. While the most popular route (Southampton Eastleigh - Dublin) can be booked for £62 on average, our data indicates £821 when flying from Portsmouth to Dublin.
Can I find deals for flights from Portsmouth to Dublin that include hotel bookings?
Yes. In addition to deals on Portsmouth to Dublin flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Dublin?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Dublin.
Can I find deals for business class flights from Portsmouth to Dublin?
Yes. Cheapflights offers flight deals from Portsmouth to Dublin 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 Portsmouth to Dublin?
Currently, January is the cheapest month in which you can book a flight from Portsmouth to Dublin (average of £71). Flying from Portsmouth to Dublin in April is currently the most expensive (average of £92). 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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Other flights to Dublin

Top 4 airlines flying from Portsmouth to Dublin

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£25	Average£78	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Aer Lingus	Cheapest£59	Average£147	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
British Airways	Cheapest£64	Average£145	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£126	Average£142	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Portsmouth to Dublin 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 Portsmouth to Dublin?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to Dublin.

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

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

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Cheap flights from Portsmouth to Dublin from £55

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Portsmouth to Dublin are usually found in January or February, booked 68 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Portsmouth to Dublin

Keep the following information in mind while searching for Portsmouth to Dublin flight deals. Data was last updated 17 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portsmouth to Dublin

Cheapest flights from Portsmouth to DublinExplore the most affordable flight options available from Portsmouth to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from Portsmouth to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Dublin that are best for you.

Best time to book a flight from Portsmouth to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Portsmouth with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Dublin

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

Use this chart to determine the optimal time to book a return flight from Portsmouth to Dublin. Price data was last updated on 12 September 2025.

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

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

Find hourly flight availability from Portsmouth to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

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

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

Weekly flight availability from Portsmouth to Dublin

Explore weekly flight availability from Portsmouth to Dublin. 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 17 September 2025.

How much does it cost for a return flight from Portsmouth to Dublin?

Reviews of airlines servicing Dublin

Read reviews from past customers who have flown with KLM, Aer Lingus, andRyanair from Portsmouth to Dublin. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Dublin. 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 into for flights to Dublin from Portsmouth?

How long is the flight from Portsmouth to Dublin?

What are the most reliable airlines from Portsmouth to Dublin?

What are the cheapest flights from Portsmouth to Dublin?

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

How can I find direct flights from Portsmouth to Dublin?

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

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

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Alternative routes for Portsmouth to Dublin

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Top 4 airlines flying from Portsmouth to Dublin

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Cheapest flights from Portsmouth to Dublin
Explore the most affordable flight options available from Portsmouth to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.