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Cheap flights from Ireland to Portsmouth from £49

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 4/9. 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
2 Apr — 9 Apr1
1 adult
Tue 2/4
Tue 9/4

Find deals on flights from Ireland to Portsmouth by searching across hundreds of travel sites at once

 
Cheapflights users frequently choose these airlines when searching for flights from Ireland to Portsmouth, based on our search results.
Cheapflights users frequently choose these airlines when searching for flights from Ireland to Portsmouth, based on our search results.
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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 953,168 searches. Data last updated 28 March 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 4/907:20DUB - SOU
Nonstop1h 50mAer Lingus
Wed 11/920:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 26/3£97
Tue 30/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Fri 3/520:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 27/3£116
Fri 14/617:50DUB - SOU
Nonstop1h 40mAer Lingus
Sat 24/816:15SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 28/3£162
Fri 26/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Sat 27/409:40SOU - DUB
Nonstop1h 40mAer Lingus
Deal found 28/3£170
Sun 14/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Sun 14/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 27/3£175
Fri 26/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Fri 3/520:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 27/3£261
Sun 14/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Sun 14/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 28/3£284

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 953,168 searches. Data last updated 28 March 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.
Tue 30/408:55DUB - SOU
1 stop7h 55mKLM
Fri 3/517:20SOU - DUB
1 stop5h 05mKLM
Deal found 27/3£166
Fri 26/411:10DUB - SOU
1 stop8h 00mKLM
Fri 3/517:20SOU - DUB
1 stop5h 05mKLM
Deal found 27/3£167
Fri 14/620:50DUB - SOU
1 stop10h 35mKLM
Sat 24/817:20SOU - DUB
1 stop5h 05mKLM
Deal found 28/3£204
Fri 26/411:10DUB - SOU
1 stop8h 00mKLM
Sat 27/407:55SOU - DUB
1 stop14h 30mKLM
Deal found 28/3£240
Sat 11/505:55DUB - SOU
1 stop10h 55mKLM
Sun 19/517:20SOU - DUB
1 stop5h 05mKLM
Deal found 28/3£241
Thu 25/405:55DUB - SOU
1 stop13h 15mKLM
Mon 29/407:55SOU - DUB
1 stop14h 30mKLM
Deal found 26/3£257
Tue 23/420:50DUB - SOU
1 stop10h 35mKLM
Thu 25/407:55SOU - DUB
1 stop4h 40mKLM
Deal found 27/3£302
Sat 21/906:10ORK - SOU
1 stop26h 45mKLM
Wed 25/919:40SOU - ORK
1 stop21h 00mKLM
Deal found 27/3£376
Sat 21/906:10ORK - SOU
1 stop26h 45mKLM
Wed 25/919:40SOU - ORK
1 stop21h 00mKLM
Deal found 26/3£377

Cheap Ireland to Portsmouth flights in March & April 2024

Find cheap flight options from Ireland to Portsmouth specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 953,168 searches. Prices were last updated on 28 March 2024.
Check out some of the best flight deals from Ireland to Portsmouth in 2024. Check back regularly for other flight deals.
Tue 30/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Fri 3/520:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 27/3£116
Tue 30/407:20DUB - SOU
Nonstop1h 50mMultiple Airlines
Fri 3/517:20SOU - DUB
1 stop5h 05mMultiple Airlines
Deal found 27/3£130
Fri 12/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Fri 19/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 28/3£154
Fri 12/420:50DUB - SOU
1 stop10h 35mKLM
Fri 19/417:20SOU - DUB
1 stop5h 05mKLM
Deal found 28/3£166
Fri 26/411:10DUB - SOU
1 stop8h 00mKLM
Fri 3/517:20SOU - DUB
1 stop5h 05mKLM
Deal found 27/3£167
Fri 26/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Sat 27/409:40SOU - DUB
Nonstop1h 40mAer Lingus
Deal found 28/3£170
Sun 14/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Sun 14/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 27/3£175
Sun 14/407:20DUB - SOU
Nonstop1h 50mMultiple Airlines
Sun 14/419:40SOU - DUB
1 stop12h 40mMultiple Airlines
Deal found 27/3£181
Sun 14/407:20DUB - SOU
Nonstop1h 50mMultiple Airlines
Sun 14/417:20SOU - DUB
1 stop5h 05mMultiple Airlines
Deal found 28/3£181

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 953,168 searches. Data last updated 28 March 2024.
Check out some of the best flight deals from Ireland to Portsmouth in 2024. Check back regularly for other flight deals.
Wed 4/907:20DUB - SOU
Nonstop1h 50mAer Lingus
Wed 11/920:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 26/3£97
Sun 8/1207:20DUB - SOU
Nonstop1h 25mAer Lingus
Sat 14/1209:15SOU - DUB
Nonstop1h 25mAer Lingus
Deal found 27/3£114
Tue 30/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Fri 3/520:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 27/3£116
Tue 30/407:20DUB - SOU
Nonstop1h 50mMultiple Airlines
Fri 3/517:20SOU - DUB
1 stop5h 05mMultiple Airlines
Deal found 27/3£130
Fri 12/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Fri 19/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 28/3£154
Sun 8/1207:20DUB - SOU
Nonstop1h 25mMultiple Airlines
Sat 14/1217:20SOU - DUB
1 stop4h 40mMultiple Airlines
Deal found 27/3£159
Fri 14/617:50DUB - SOU
Nonstop1h 40mAer Lingus
Sat 24/816:15SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 28/3£162
Sun 8/1205:55DUB - SOU
1 stop10h 55mKLM
Sat 14/1217:20SOU - DUB
1 stop4h 40mKLM
Deal found 27/3£164
Fri 12/420:50DUB - SOU
1 stop10h 35mKLM
Fri 19/417:20SOU - DUB
1 stop5h 05mKLM
Deal found 28/3£166

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 953,168 searches. Data last updated 28 March 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 4/907:20DUB - SOU
Nonstop1h 50mAer Lingus
Wed 11/920:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 26/3£97
Tue 30/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Fri 3/520:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 27/3£116
Fri 12/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Fri 19/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 28/3£154
Fri 14/617:50DUB - SOU
Nonstop1h 40mAer Lingus
Sat 24/816:15SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 28/3£162
Fri 26/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Sat 27/409:40SOU - DUB
Nonstop1h 40mAer Lingus
Deal found 28/3£170
Sun 14/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Sun 14/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 27/3£175
Fri 26/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Fri 3/520:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 27/3£261
Sun 14/407:20DUB - SOU
Nonstop1h 50mAer Lingus
Sun 14/420:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 28/3£284
Wed 10/407:20DUB - SOU
Nonstop1h 50mBritish Airways
Wed 17/420:00SOU - DUB
Nonstop1h 35mBritish Airways
Deal found 27/3£726

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 953,168 searches. Data last updated 28 March 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 4/907:20DUB - SOU
Nonstop1h 50mAer Lingus
Deal found 26/3£49
Mon 6/507:20DUB - SOU
Nonstop1h 50mAer Lingus
Deal found 26/3£50
Sat 1/614:10DUB - SOU
Nonstop1h 35mAer Lingus
Deal found 27/3£54
Sat 1/614:10DUB - SOU
Nonstop1h 35mAer Lingus
Deal found 27/3£55
Wed 15/517:50DUB - SOU
Nonstop1h 40mAer Lingus
Deal found 28/3£59
Fri 20/907:20DUB - SOU
Nonstop1h 50mAer Lingus
Deal found 27/3£64
Wed 15/519:20DUB - SOU
2 stops14h 35mMultiple Airlines
Deal found 28/3£82
Fri 26/406:40DUB - SOU
2 stops28h 35mMultiple Airlines
Deal found 27/3£93
Fri 26/418:20DUB - SOU
1 stop16h 30mMultiple Airlines
Deal found 27/3£94

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 953,168 searches. Data last updated 28 March 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£97 - £382

Route

Depart

Return

Price

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Wed 4/9

Nonstop1h 50m

Southampton Eastleigh

Wed 11/9

Nonstop1h 35m

£97

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Tue 30/4

Nonstop1h 50m

Southampton Eastleigh

Fri 3/5

Nonstop1h 35m

£116

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Tue 30/4

Nonstop1h 50m

Southampton Eastleigh

Fri 3/5

1 stop5h 05m

£130

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Fri 14/6

Nonstop1h 40m

Southampton Eastleigh

Sat 24/8

Nonstop1h 35m

£162

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Tue 30/4

1 stop7h 55m

Southampton Eastleigh

Fri 3/5

1 stop5h 05m

£166

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Fri 26/4

1 stop8h 00m

Southampton Eastleigh

Fri 3/5

1 stop5h 05m

£167

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Fri 14/6

1 stop6h 00m

Southampton Eastleigh

Sat 24/8

Nonstop1h 35m

£176

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Sun 14/4

Nonstop1h 50m

Southampton Eastleigh

Sun 14/4

1 stop12h 40m

£181

DublinSouthampton Eastleigh

DUB - SOU

DUBSOU

Dublin

Wed 4/9

2 stops9h 45m

Southampton Eastleigh

Wed 11/9

2 stops16h 15m

£382

Flights are sorted by cheapest first

Deals found on 26/3

No data available for this route at this time. Please check back soon.

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 28 March 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.
7.9
Good
1,684 reviews

Boarding

7.8

Comfort

7.6

Overall

7.9

Entertainment

7.3

Crew

8.4

Food

7.3

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.

7.9
Good
1,684 reviews
7.9
Good
1,684 reviews

Boarding

7.8

Comfort

7.6

Overall

7.9

Entertainment

7.3

Crew

8.4

Food

7.3

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
1,383 reviews
7.9
Good
1,684 reviews

Boarding

7.8

Comfort

7.6

Overall

7.9

Entertainment

7.3

Crew

8.4

Food

7.3

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
6,968 reviews
7.9
Good
1,684 reviews

Boarding

7.8

Comfort

7.6

Overall

7.9

Entertainment

7.3

Crew

8.4

Food

7.3

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 £97, but on average you can expect to pay £193.

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

    Cheapflights has at least 13 direct flights from Ireland to Portsmouth under £100. A good price for a nonstop flight from Ireland to Portsmouth is less than £392.

  • 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?

    107 flight departures from Ireland to Portsmouth per day on average.
    Morning (6am - Midday) - 35% of flight departures
    Afternoon (Midday - 6pm) - 50% of flight departures
    Evening (6pm - Midnight) - 15% of flight departures

  • How long is the flight from Ireland to Portsmouth?

    Departing from Ireland to Portsmouth will take you 1h 50m. The distance between Ireland and Portsmouth is about 281 mi. This flight may include one or multiple stops.

  • 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 £49 on Aer Lingus. Other airlines that offer cheap prices include KLM from £101 and Loganair from £190 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: Kenya Airways (83%), British Airways (82%), Qatar Airways (77%).

  • What are the cheapest flights from Ireland to Portsmouth?

    The cheapest flight price from Ireland to Portsmouth is £28. On average you can expect to pay £1,197. The most popular route, (Dublin - Southampton Eastleigh), can usually be booked for £97.

  • 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).

  • Can I find deals for flights from Ireland to Portsmouth that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ireland to Portsmouth with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

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

    Yes. Cheapflights offers flight deals from Ireland 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.

  • Can I find deals for flights from Ireland to Portsmouth that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • How recently were the Ireland to Portsmouth flight deals updated?

    The Ireland to Portsmouth flight deals you see on this page were last updated on 28/3.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 953,168 searches. Data last updated 28 March 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£120FlexibilityNo 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 £2,183/person
Business Classfrom £1,338/person
Prem Econ Classfrom £923/person
Economy classfrom £15/person

Hourly flight availability from Ireland to Portsmouth

Find hourly flight availability from Ireland 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 28 March 2024.
8%of flight departuresEarly morningMidnight to 6 am
52%of flight departuresMorning6 am to noon
31%of flight departuresAfternoonNoon to 6 pm
9%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Ireland 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 Ireland to Portsmouth?

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 Ireland to Portsmouth.

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

Yes! Cheapflights helps users easily find flights from Ireland to Portsmouth with no change fees.

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

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

Can I find deals on last-minute flights from Ireland to Portsmouth?

Yes, you can often find last-minute deals on Ireland to Portsmouth flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

How can I compare prices from different travel booking sites for flights from Ireland to Portsmouth?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Ireland to Portsmouth that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.