Cheap flights from Ireland to Portsmouth from £50
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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ireland to Portsmouth
Keep the following information in mind while searching for Ireland to Portsmouth flight deals. Data was last updated 11 July 2025.
Round-trip from | £72 |
---|---|
One-way from | £50 |
Popular in | June |
Cheapest in | January |
Average price | £91 |
Find flight deals from Ireland to Portsmouth
Cheapest flights from Ireland to PortsmouthExplore the most affordable flight options available from Ireland to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Ireland to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
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 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from Ireland to Portsmouth that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
DublinSouthampton
DUB - SOU
DUBSOU
Dublin
Wed 20/8
06:25-08:05
Nonstop1h 40m
Southampton Eastleigh
Thu 28/8
20:00-21:35
Nonstop1h 35m
DublinSouthampton
DUB - SOU
DUBSOU
Dublin
Wed 20/8
06:25-08:05
Nonstop1h 40m
Southampton Eastleigh
Thu 28/8
11:25-18:50
1 stop7h 25m
DublinSouthampton
DUB - SOU
DUBSOU
Dublin
Tue 19/8
20:45-08:45
1 stop12h 00m
Southampton Eastleigh
Tue 26/8
17:35-22:25
1 stop4h 50m
CorkSouthampton
ORK - SOU
ORKSOU
Cork
Mon 25/8
14:00-08:25
2 stops18h 25m
Southampton Eastleigh
Mon 1/9
11:50-09:00
2 stops21h 10m
CorkSouthampton
ORK - SOU
ORKSOU
Cork
Thu 24/7
17:20-08:45
1 stop15h 25m
Southampton Eastleigh
Mon 28/7
18:25-16:50
1 stop22h 25m
KnockSouthampton
NOC - SOU
NOCSOU
Knock Intl
Sat 23/8
13:05-08:35
2 stops19h 30m
Southampton Eastleigh
Sat 30/8
16:25-12:35
2 stops20h 10m
DublinSouthampton
DUB - SOU
DUBSOU
Dublin
Wed 13/8
06:25-08:05
Nonstop1h 40m
DublinSouthampton
DUB - SOU
DUBSOU
Dublin
Fri 29/8
08:10-15:40
1 stop7h 30m
DublinSouthampton
DUB - SOU
DUBSOU
Dublin
Wed 13/8
05:55-17:50
1 stop11h 55m
CorkSouthampton
ORK - SOU
ORKSOU
Cork
Sun 7/9
11:30-10:35
1 stop23h 05m
Best time to book a flight from Ireland to Portsmouth
Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Ireland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ireland to Portsmouth
What is the cheapest month to book a flight from Ireland to Portsmouth?
Currently, January is the cheapest month in which you can book a flight from Ireland to Portsmouth (average of £112). Flying from Ireland to Portsmouth in August is currently the most expensive (average of £164). 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 IE to P0R?
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 11 July 2025.
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.
What is the cheapest day to fly from Ireland to Portsmouth?
Use this chart to determine the cheapest time to fly return from Ireland to Portsmouth. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Ireland to Portsmouth flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Ireland to Portsmouth
Explore weekly flight availability from Ireland 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 11 July 2025.
The most flights from IE0 to P0R are scheduled on a Thursday (84 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (38 on average).
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 11 July 2025.
See what other customers who have flown with KLM, Aer Lingus, andBritish Airways from Ireland to Portsmouth have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Overall
Entertainment
Crew
Comfort
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Food
Overall
Entertainment
Crew
Comfort
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Food
Overall
Entertainment
Crew
Comfort
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Food
Overall
Entertainment
Crew
Comfort
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
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.
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Alternative routes for Ireland to Portsmouth
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Ireland to Portsmouth
Discover the top 3 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 858,174 searches. Data last updated 11 July 2025.
Fly with Cheapflights
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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.