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Cheap flights from Dublin to Portugal from £26

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LIS
9 Aug — 16 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Portugal

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Portugal
Explore the most affordable flight options available from Dublin to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2026.

Wed 16/913:40
DUB
-
OPO
1 stop8h 00m
Ryanair
Sat 19/921:15
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 9/7£84
Thu 20/819:30
DUB
-
OPO
Nonstop2h 25m
Ryanair
Tue 25/822:20
OPO
-
DUB
1 stop13h 40m
Ryanair
Deal found 6/7£86
Wed 26/805:45
DUB
-
OPO
1 stop7h 20m
Ryanair
Tue 1/922:20
OPO
-
DUB
1 stop13h 40m
Ryanair
Deal found 9/7£95
Thu 20/819:30
DUB
-
OPO
Nonstop2h 25m
Ryanair
Fri 28/815:40
OPO
-
DUB
1 stop9h 15m
Ryanair
Deal found 8/7£97
Fri 28/813:40
DUB
-
OPO
1 stop10h 10m
Ryanair
Mon 31/821:05
OPO
-
DUB
1 stop13h 50m
Ryanair
Deal found 6/7£99
Thu 27/822:00
DUB
-
OPO
1 stop10h 55m
Multiple Airlines
Tue 1/922:20
OPO
-
DUB
1 stop13h 40m
Multiple Airlines
Deal found 8/7£101
Thu 20/819:30
DUB
-
OPO
Nonstop2h 25m
Ryanair
Wed 26/822:30
OPO
-
DUB
1 stop9h 40m
Ryanair
Deal found 5/7£102
Fri 14/817:30
DUB
-
FAO
Nonstop2h 55m
Ryanair
Fri 28/806:05
FAO
-
DUB
2 stops18h 55m
Ryanair
Deal found 7/7£103
Fri 21/818:40
DUB
-
FAO
Nonstop2h 55m
Ryanair
Sun 23/821:50
FAO
-
DUB
Nonstop2h 55m
Ryanair
Deal found 6/7£104
Fri 17/706:05
DUB
-
FAO
1 stop12h 25m
Multiple Airlines
Mon 20/719:45
FAO
-
DUB
1 stop13h 50m
Multiple Airlines
Deal found 9/7£104
Sat 25/706:40
DUB
-
FAO
1 stop15h 10m
Ryanair
Tue 28/706:20
FAO
-
DUB
1 stop13h 35m
Ryanair
Deal found 5/7£105
Sun 20/907:10
DUB
-
OPO
1 stop8h 40m
Ryanair
Wed 23/921:40
OPO
-
DUB
1 stop10h 40m
Ryanair
Deal found 9/7£105

Find flight deals from Dublin to Portugal

Keep the following information in mind while searching for Dublin to Portugal flight deals. Data was last updated 10 July 2026.

Round-trip from

£84

One-way from

£26

Popular in

July

Cheapest in

January

Average price

£244

Good round-trip deal

£137 or less

Good one-way deal

£53 or less
Ryanair
  • Ryanair
  • 16/9-19/9
  • 1 total stop
  • 10h 25m total
  • Dublin to Portugal
Search Deals
Ryanair
  • Ryanair
  • 8/9
  • Nonstop
  • 2h 55m total
  • Dublin to Portugal
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Dublin to Portugal.
Search Deals
Price to beat on a one-way flight from Dublin to Portugal.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin 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 10 July 2026.
Use the filters below to find and compare flights from Dublin to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 20/8

19:30-21:55

Nonstop2h 25m

Porto

Wed 26/8

22:30-08:10

1 stop9h 40m

£102

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 20/8

19:30-21:55

Nonstop2h 25m

Porto

Wed 26/8

15:55-09:05

2 stops17h 10m

£109

DublinFaro

DUB - FAO

DUBFAO

Dublin

Thu 10/9

17:25-20:20

Nonstop2h 55m

Faro

Mon 14/9

07:50-10:45

Nonstop2h 55m

£113

DublinFaro

DUB - FAO

DUBFAO

Dublin

Sat 25/7

19:10-22:10

Nonstop3h 00m

Faro

Tue 28/7

06:20-19:55

1 stop13h 35m

£117

DublinFaro

DUB - FAO

DUBFAO

Dublin

Sat 19/9

18:35-21:30

Nonstop2h 55m

Faro

Sun 27/9

08:05-11:00

Nonstop2h 55m

£122

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Thu 3/9

15:00-17:50

Nonstop2h 50m

Lisbon Humberto Delgado

Sun 6/9

05:55-08:40

Nonstop2h 45m

£127

DublinFaro

DUB - FAO

DUBFAO

Dublin

Tue 28/7

20:35-23:30

Nonstop2h 55m

Faro

Tue 4/8

08:00-10:55

Nonstop2h 55m

£128
Fastest return journey

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 25/10

06:30-08:55

Nonstop2h 25m

Porto

Wed 28/10

21:35-23:59

Nonstop2h 24m

£128

DublinFaro

DUB - FAO

DUBFAO

Dublin

Tue 25/8

17:20-08:00

1 stop14h 40m

Faro

Tue 1/9

20:35-08:20

1 stop11h 45m

£130

DublinFaro

DUB - FAO

DUBFAO

Dublin

Fri 18/12

19:15-22:10

Nonstop2h 55m

Faro

Thu 31/12

15:10-18:10

Nonstop3h 00m

£142

Flights are sorted by cheapest return flights first.

Deals found on 5/7

Showing 1-10 of 49 resultsSorted by cheapest first
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Best time to book a flight from Dublin to Portugal

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

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

Currently, November is the cheapest month in which you can book a flight from Dublin to Portugal (average of £22). Flying from Dublin to Portugal in June is currently the most expensive (average of £322). 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 DUB to PT?

Find hourly flight availability from Dublin 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 10 July 2026.

It’s typically best to fly out from Dublin to Portugal at midday. Doing so could potentially save you 32% on the flight price compared to flying in the evening, which is usually more expensive.

Weekly flight availability from Dublin to Portugal

Explore weekly flight availability from Dublin 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 10 July 2026.

The most flights from DUB to PT0 are scheduled on a Friday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from Dublin to Portugal delayed?

About 20% of weekly flights between Dublin and Portugal have experienced delays in the past year, with the average delay time being 108 minutes.

What is the most punctual flight time for Dublin to Portugal flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Dublin to Portugal flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 12% of flights being delayed.

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

The price you pay for your flight from Dublin to Portugal may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Use this chart to determine the cheapest time to fly return from Dublin to Portugal. Price data was last updated on 4 July 2026.

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

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 10 July 2026.
Read through reviews of airlines operating flights from Dublin to Portugal, such as Aer Lingus,TAP AIR PORTUGAL, andRyanair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,653 reviews
Check prices

Entertainment

7.0

Food

6.6

Comfort

7.2

Crew

8.1

Boarding

7.4

Overall

7.3

Reviews

1 / 20
4.0
Okay

Lama,May 2026

DUB - ALC

Seats were super small, there was no food, and they lost my bag.
Aer Lingus
7.3
Good
1,653 reviews
Aer Lingus
7.3
Good
1,653 reviews
Check prices

Entertainment

7.0

Food

6.6

Comfort

7.2

Crew

8.1

Boarding

7.4

Overall

7.3

Reviews

1 / 20
4.0
Okay

Lama,May 2026

DUB - ALC

Seats were super small, there was no food, and they lost my bag.
TAP AIR PORTUGAL
7.2
Good
2,331 reviews
Aer Lingus
7.3
Good
1,653 reviews
Check prices

Entertainment

7.0

Food

6.6

Comfort

7.2

Crew

8.1

Boarding

7.4

Overall

7.3

Reviews

1 / 20
4.0
Okay

Lama,May 2026

DUB - ALC

Seats were super small, there was no food, and they lost my bag.
Ryanair
6.9
Okay
5,437 reviews
Aer Lingus
7.3
Good
1,653 reviews
Check prices

Entertainment

7.0

Food

6.6

Comfort

7.2

Crew

8.1

Boarding

7.4

Overall

7.3

Reviews

1 / 20
4.0
Okay

Lama,May 2026

DUB - ALC

Seats were super small, there was no food, and they lost my bag.

Related info for your journey

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

    Dublin (DUB), located 5.7 mi from the city center, is the airport you fly out of when you book flights from Dublin to Portugal.

  • How popular is this Dublin to Portugal flight route?

    The Dublin to Portugal flight path was viewed by 319 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Dublin to Portugal?

    Ryanair, KLM, and Vueling can get you from Dublin to Portugal in just under 2h 25m. Your travel time can differ by up to 8h. The distance between Dublin and Portugal is about 848 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Dublin to Portugal one-way?

    The cheapest airline one-way is Ryanair, with whom users have recently found tickets for as low as £21. However, be on the lookout for offers from Aer Lingus and TAP AIR PORTUGAL, as they are both options that can get you from Dublin to Portugal for a low price.

  • What are the most popular routes from Dublin to Portugal?

    The most popular route from Dublin to Portugal is Dublin - Lisbon Humberto Delgado. You may also consider Dublin - Faro or Dublin - Porto.

  • What are the most reliable airlines from Dublin to Portugal?

    Before booking your flight to Portugal from Dublin, check out the most reliable airlines to get you to your destination on time: American Airlines (87%), Aer Lingus (83%), LATAM Airlines( 80%).

  • What are the cheapest flights from Dublin to Portugal?

    The cheapest flight price from Dublin to Portugal is £26. On average you can expect to pay £158. The most popular route, (Dublin - Lisbon Humberto Delgado), can usually be booked for £128.

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

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

  • How can I find direct flights from Dublin to Portugal?

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

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

    Yes. Cheapflights offers flight deals from Dublin to Portugal 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 Dublin to Portugal?

    Currently, November is the cheapest month in which you can book a flight from Dublin to Portugal (average of £22). Flying from Dublin to Portugal in June is currently the most expensive (average of £322). 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

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 3 airlines flying from Dublin to Portugal

Discover the top 3 airlines that operate flights from Dublin 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 10 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£51Average£196FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
RyanairCheapest£55Average£150FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
TAP AIR PORTUGALCheapest£99Average£143FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

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 Dublin to Portugal?

Deals for Dublin to Portugal flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Portugal?

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 Dublin to Portugal.

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

Yes, we can. To see specific flights from Dublin to Portugal with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Dublin to Portugal become cheaper?

Of course! You can now track prices for flights from Dublin to Portugal and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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