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Cheap flights from Ireland to Portsmouth from £39

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DUB — LHR
27 Feb — 5 Mar1
1 adult
Tue 27/2
Tue 5/3

How far in advance should I book a flight from Ireland to Portsmouth?

Find a great deal and save up to 213% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ireland to Portsmouth within the next two weeks, with the cheapest ticket starting at £49.

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

January is one of the best times of the year to fly to Portsmouth from Ireland. Prices for January average £54 per person but you can even find prices for as low as £16. The most expensive prices can be found in the month of June. Opting for a January flight can save you 25% on your journey compared to booking in June

When is the cheapest time to fly from Ireland to Portsmouth (IE - P0R)?

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

Cheap Aer Lingus flights from Ireland to Portsmouth

Explore cheap flight options specifically provided by Aer Lingus for the route between Ireland and Portsmouth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 920,304 searches. Data last updated 23 February 2024.
Consider these cheap Aer Lingus flights we've found departing from Ireland to Portsmouth. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 20/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Wed 27/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£87
Wed 19/607:20DUB - SOU
Nonstop1h 50mAer Lingus
Wed 19/620:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£97
Mon 8/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Thu 18/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£100
Fri 10/507:20DUB - SOU
Nonstop1h 50mAer Lingus
Tue 14/520:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£104
Tue 5/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Fri 8/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£104
Wed 13/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Sun 17/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£110
Sat 30/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Tue 2/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£121
Thu 9/517:50DUB - SOU
Nonstop1h 40mAer Lingus
Mon 13/520:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£124
Mon 1/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Fri 19/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£125

Cheap KLM flights from Ireland to Portsmouth

Explore cheap flight options specifically provided by KLM for the route between Ireland and Portsmouth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 920,304 searches. Data last updated 23 February 2024.
Some of the lowest-priced KLM flights we've found at this time heading from Ireland to Portsmouth. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Mon 1/420:50DUB - SOU
1 stop10h 35mKLM
Fri 5/417:20SOU - DUB
1 stop5h 05mKLM
Deal found 21/2£171
Fri 19/413:20DUB - SOU
1 stop5h 50mKLM
Fri 17/517:20SOU - DUB
1 stop5h 05mKLM
Deal found 21/2£190
Sat 30/308:50DUB - SOU
1 stop8h 00mKLM
Tue 2/417:20SOU - DUB
1 stop5h 05mKLM
Deal found 21/2£209
Sun 31/313:20DUB - SOU
1 stop3h 30mKLM
Sat 6/407:55SOU - DUB
1 stop4h 40mKLM
Deal found 21/2£212
Mon 24/611:10DUB - SOU
1 stop5h 40mKLM
Sat 6/717:20SOU - DUB
1 stop5h 05mKLM
Deal found 21/2£214
Sun 12/505:55DUB - SOU
1 stop10h 55mKLM
Mon 13/507:55SOU - DUB
1 stop4h 40mKLM
Deal found 21/2£288

Cheap Ireland to Portsmouth flights in February & March 2024

Find cheap flight options from Ireland to Portsmouth specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 920,304 searches. Prices were last updated on 23 February 2024.
Check out some of the best flight deals from Ireland to Portsmouth in 2024. Check back regularly for other flight deals.
Wed 20/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Wed 27/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£87
Tue 5/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Fri 8/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£104
Wed 13/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Sun 17/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£110
Sat 30/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Tue 2/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£121
Sat 30/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Mon 1/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£126
Sat 23/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Sat 30/309:30SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£133
Sat 23/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Wed 27/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£146
Sat 30/307:10DUB - SOU
Nonstop1h 45mMultiple Airlines
Tue 2/407:55SOU - DUB
1 stop12h 20mMultiple Airlines
Deal found 21/2£149
Sun 31/307:20DUB - SOU
Nonstop1h 50mAer Lingus
Sat 6/409:40SOU - DUB
Nonstop1h 40mAer Lingus
Deal found 21/2£152

Ireland to Portsmouth 2024 flight deals

Discover exclusive flight deals for travel between Ireland and Portsmouth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 920,304 searches. Data last updated 23 February 2024.
Check out some of the best flight deals from Ireland to Portsmouth in 2024. Check back regularly for other flight deals.
Wed 20/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Wed 27/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£87
Wed 19/607:20DUB - SOU
Nonstop1h 50mAer Lingus
Wed 19/620:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£97
Mon 8/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Thu 18/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£100
Thu 21/1107:20DUB - SOU
Nonstop1h 25mAer Lingus
Fri 29/1119:45SOU - DUB
Nonstop1h 25mAer Lingus
Deal found 21/2£101
Fri 10/507:20DUB - SOU
Nonstop1h 50mAer Lingus
Tue 14/520:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£104
Tue 5/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Fri 8/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£104
Mon 8/407:20DUB - SOU
Nonstop1h 50mMultiple Airlines
Thu 18/410:25SOU - DUB
1 stop11h 00mMultiple Airlines
Deal found 22/2£106
Wed 13/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Sun 17/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£110
Sat 30/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Tue 2/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£121

Direct flights to Portsmouth from Ireland

Discover direct flight options from Ireland to Portsmouth. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 920,304 searches. Data last updated 23 February 2024.
Consider booking one of these non-stop flights heading from Ireland to Portsmouth. Users can also choose from other Ireland to Portsmouth flights by using the search form above.
Wed 20/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Wed 27/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£87
Wed 19/607:20DUB - SOU
Nonstop1h 50mAer Lingus
Wed 19/620:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£97
Mon 8/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Thu 18/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£100
Fri 10/507:20DUB - SOU
Nonstop1h 50mAer Lingus
Tue 14/520:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£104
Tue 5/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Fri 8/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£104
Wed 13/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Sun 17/320:10SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£110
Sat 30/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Tue 2/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 21/2£121
Thu 9/517:50DUB - SOU
Nonstop1h 40mAer Lingus
Mon 13/520:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£124
Mon 1/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Fri 19/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 22/2£125

One-way flights to Portsmouth from Ireland

Search for one-way flight options from Ireland to Portsmouth. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 920,304 searches. Data last updated 23 February 2024.
Take a look at some of the one-way flights we've detected from Ireland to Portsmouth. Users can also find round-trip Ireland to Portsmouth flights by using the search form above.
Wed 8/507:20DUB - SOU
Nonstop1h 50mAer Lingus
Deal found 22/2£39
Thu 7/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 21/2£47
Thu 9/507:20DUB - SOU
Nonstop1h 50mAer Lingus
Deal found 21/2£48
Thu 9/517:50DUB - SOU
Nonstop1h 40mAer Lingus
Deal found 21/2£49
Thu 7/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 22/2£50
Mon 4/307:10DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 22/2£56
Wed 8/515:20DUB - SOU
1 stop18h 35mMultiple Airlines
Deal found 22/2£58
Thu 7/306:40DUB - SOU
1 stop10h 40mMultiple Airlines
Deal found 21/2£63
Thu 7/306:40DUB - SOU
1 stop10h 40mMultiple Airlines
Deal found 22/2£64

Find flights from Ireland to Portsmouth within your budget

Customise your flight search to find flights from Ireland 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 920,304 searches. Data last updated 23 February 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£87 - £171

Route

Depart

Return

Price

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Wed 20/3

Nonstop1h 45m

Southampton Eastleigh

Wed 27/3

Nonstop1h 35m

£87

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Wed 19/6

Nonstop1h 50m

Southampton Eastleigh

Wed 19/6

Nonstop1h 35m

£97

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Mon 8/4

Nonstop1h 50m

Southampton Eastleigh

Thu 18/4

Nonstop1h 35m

£100

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Fri 10/5

Nonstop1h 50m

Southampton Eastleigh

Tue 14/5

Nonstop1h 35m

£104

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Tue 5/3

Nonstop1h 45m

Southampton Eastleigh

Fri 8/3

Nonstop1h 35m

£104

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Mon 8/4

Nonstop1h 50m

Southampton Eastleigh

Thu 18/4

1 stop11h 00m

£106

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Thu 9/5

Nonstop1h 40m

Southampton Eastleigh

Mon 13/5

1 stop6h 35m

£130

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Mon 8/4

Nonstop1h 50m

Southampton Eastleigh

Thu 18/4

2 stops5h 50m

£134

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Mon 1/4

1 stop10h 35m

Southampton Eastleigh

Fri 5/4

1 stop5h 05m

£171

Flights are sorted by cheapest first

Deals found on 21/2

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 23 February 2024.
Read through reviews of airlines operating flights from Ireland to Portsmouth, such as Aer Lingus, KLM and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
7.8
Good
1,778 reviews

Food

7.3

Crew

8.4

Entertainment

7.3

Comfort

7.6

Overall

7.8

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.8
Good
1,778 reviews
7.8
Good
1,778 reviews

Food

7.3

Crew

8.4

Entertainment

7.3

Comfort

7.6

Overall

7.8

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.3
Good
1,426 reviews
7.8
Good
1,778 reviews

Food

7.3

Crew

8.4

Entertainment

7.3

Comfort

7.6

Overall

7.8

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

6.9
Okay
7,020 reviews
7.8
Good
1,778 reviews

Food

7.3

Crew

8.4

Entertainment

7.3

Comfort

7.6

Overall

7.8

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

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

Can I find flights from Ireland to Portsmouth for under £100 on Cheapflights?

Yes, there are multiple flights from Ireland to Portsmouth for under £100. The cheapest flight booked recently is on Aer Lingus for just £87, but on average you can expect to pay £122.

Are there nonstop flights from Ireland to Portsmouth for under £100 on Cheapflights?

Cheapflights has at least 20 direct flights from Ireland to Portsmouth under £100. A good price for a nonstop flight from Ireland to Portsmouth is less than £160.

What days are direct flights available from Ireland to Portsmouth?

You can find direct flights on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

How many flights depart from Ireland to Portsmouth on average per day?

41 flight departures from Ireland to Portsmouth per day on average.
Early Morning (Midnight to 6am) - 5% of flight departures
Morning (6am - Midday) - 27% of flight departures
Afternoon (Midday - 6pm) - 51% of flight departures
Evening (6pm - Midnight) - 17% of flight departures

How long is the flight from Ireland to Portsmouth?

Departing from Ireland to Portsmouth will take you 1h 45m. The distance between Ireland and Portsmouth is about 281 mi. All flights are typically direct.

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

One-way options have recently been found by users for as low as £39 on Aer Lingus. Other airlines that offer cheap prices include KLM from £100 and Loganair from £152 one-way.

What are the most popular routes from Ireland to Portsmouth?

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

What are the most reliable airlines from Ireland 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 Ireland to Portsmouth on time: British Airways (84%), Kenya Airways (82%), Qatar Airways (80%).

What are the cheapest flights from Ireland to Portsmouth?

The cheapest flight price from Ireland to Portsmouth is £26. On average you can expect to pay £1,459. The most popular route, (Dublin - Southampton Eastleigh), can usually be booked for £106.

What does DUB to LHR mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Dublin Airport to London Heathrow Airport flight would often be abbreviated as a DUB to LHR flight. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), Southampton Eastleigh Airport (SOU).

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Ireland to Portsmouth

Discover the top 4 airlines that operate flights from Ireland 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 920,304 searches. Data last updated 23 February 2024.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£19Average£50FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£34Average£121FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£53Average£123FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Eastern AirwaysCheapest£99Average£151FlexibilityNo cancel feeOn-time81%
Search Eastern Airways flights

Search flights from Ireland to Portsmouth by cabin class

Find flights from Ireland to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Classfrom £2,597/person
Business Classfrom £1,174/person