Cheap flights from Ireland to Portugal from £30
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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ireland to Portugal
Keep the following information in mind while searching for Ireland to Portugal flight deals. Data was last updated 11 July 2025.
Find flight deals from Ireland to Portugal
Cheapest flights from Ireland to PortugalExplore the most affordable flight options available from Ireland to Portugal. 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 Portugal. 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 Portugal 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 Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
DublinFaro
DUB - FAO
DUBFAO
Dublin
Sun 10/8
20:10-23:05
Nonstop2h 55m
Faro
Tue 12/8
06:20-09:20
Nonstop3h 00m
DublinPorto
DUB - OPO
DUBOPO
Dublin
Thu 2/10
20:10-22:35
Nonstop2h 25m
Porto
Tue 7/10
22:25-00:50
Nonstop2h 25m
DublinPorto
DUB - OPO
DUBOPO
Dublin
Sat 22/11
13:20-21:15
1 stop7h 55m
Porto
Mon 24/11
21:55-12:40
1 stop14h 45m
DublinPorto
DUB - OPO
DUBOPO
Dublin
Fri 3/10
20:55-08:00
1 stop11h 05m
Porto
Tue 7/10
22:25-00:50
Nonstop2h 25m
DublinLisbon
DUB - LIS
DUBLIS
Dublin
Wed 1/10
19:40-22:30
Nonstop2h 50m
Lisbon Humberto Delgado
Thu 2/10
09:25-12:10
Nonstop2h 45m
DublinLisbon
DUB - LIS
DUBLIS
Dublin
Wed 17/9
21:50-08:30
1 stop10h 40m
Lisbon Humberto Delgado
Wed 24/9
22:10-18:15
2 stops20h 05m
DublinFaro
DUB - FAO
DUBFAO
Dublin
Mon 25/8
07:35-10:35
Nonstop3h 00m
Faro
Sat 30/8
22:45-01:40
Nonstop2h 55m
DublinLisbon
DUB - LIS
DUBLIS
Dublin
Sat 15/11
04:15-07:10
Nonstop2h 55m
Lisbon Humberto Delgado
Fri 21/11
20:25-23:20
Nonstop2h 55m
DublinLisbon
DUB - LIS
DUBLIS
Dublin
Thu 11/12
13:20-21:30
1 stop8h 10m
Lisbon Humberto Delgado
Sat 13/12
21:05-12:40
1 stop15h 35m
DublinPorto
DUB - OPO
DUBOPO
Dublin
Sun 31/8
05:55-15:35
1 stop9h 40m
Porto
Thu 4/9
06:30-12:35
1 stop6h 05m
Best time to book a flight from Ireland to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Ireland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ireland to Portugal
What is the cheapest month to book a flight from Ireland to Portugal?
Currently, January is the cheapest month in which you can book a flight from Ireland to Portugal (average of £101). Flying from Ireland to Portugal in August is currently the most expensive (average of £274). 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 PT?
Find hourly flight availability from Ireland to Portugal. 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.
Unlike in the morning, when flights are generally more expensive, you can save up to 28% on flights from Ireland to Portugal by exploring options for tickets in the evening.
What is the cheapest day to fly from Ireland to Portugal?
Use this chart to determine the cheapest time to fly return from Ireland to Portugal. Price data was last updated on 6 July 2025.
Travellers seeking maximum savings on their Ireland to Portugal flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Ireland to Portugal
Explore weekly flight availability from Ireland to Portugal. 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 PT0 are scheduled on a Thursday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated 11 July 2025.
Check out reviews from past customers who have flown with Aegean Airlines, KLM, andSWISS from Ireland to Portugal to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Anonymous,Nov 2024
SKG - FRA
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Anonymous,Nov 2024
SKG - FRA
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Anonymous,Nov 2024
SKG - FRA
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Anonymous,Nov 2024
SKG - FRA
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Anonymous,Nov 2024
SKG - FRA
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Anonymous,Nov 2024
SKG - FRA
Related info for your journey
Find useful and relevant information for your journey from Ireland to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ireland to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Ireland to Portugal
Discover the top 4 airlines that operate flights from Ireland to Portugal. 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
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 Portugal?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Portugal from Ireland today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Ireland to Portugal?
Cheapflights simply makes it quick and affordable to book flights from Ireland to Portugal by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Ireland to Portugal with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Ireland to Portugal, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Ireland to Portugal become cheaper?
Yes, Cheapflights offers price alerts on Ireland to Portugal flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.