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Cheap flights from Dublin to Portugal from £22

DUB — LIS
4 Oct — 11 Oct1
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

Sat 31/1017:00 -
Nonstop2h 25m
Mon 30/1121:00 -
Nonstop2h 25m
Deal found 3/9£50
Sat 17/1018:25 -
Nonstop2h 25m
Tue 20/1022:25 -
Nonstop2h 25m
Deal found 31/8£61
Sat 31/1009:40 -
Nonstop2h 55m
Thu 3/1209:20 -
Nonstop3h 00m
Deal found 3/9£64
Sat 3/1018:35 -
Nonstop2h 55m
Sat 10/1021:55 -
Nonstop2h 55m
Deal found 3/9£64
Fri 30/1018:55 -
Nonstop2h 25m
Fri 20/1121:45 -
Nonstop2h 25m
Deal found 1/9£64
Fri 30/1010:10 -
Nonstop2h 55m
Fri 6/1109:20 -
Nonstop3h 00m
Deal found 30/8£65
Fri 30/1018:55 -
Nonstop2h 25m
Sat 21/1119:50 -
Nonstop2h 25m
Deal found 1/9£65
Sat 31/1009:40 -
Nonstop2h 55m
Sat 7/1106:15 -
Nonstop3h 00m
Deal found 2/9£66
Tue 13/1020:35 -
Nonstop2h 55m
Wed 14/1006:45 -
1 stop8h 25m
Deal found 4/9£67
Sun 18/1008:00 -
Nonstop2h 55m
Wed 21/1016:20 -
1 stop7h 45m
Deal found 2/9£67
Tue 6/1011:30 -
1 stop8h 40m
Tue 13/1008:00 -
Nonstop2h 55m
Deal found 30/8£68
Sun 4/1018:30 -
Nonstop2h 55m
Sun 11/1008:05 -
Nonstop2h 55m
Deal found 4/9£69

Find flight deals from Dublin to Portugal

Round-trip from

£50

One-way from

£22

Popular in

July

Cheapest in

January

Average price

£150

Good round-trip deal

£115 or less

Good one-way deal

£64 or less
Ryanair
  • Ryanair
  • 31/10-30/11
  • Nonstop
  • 4h 50m total
  • Dublin to Portugal
Search Deals
Ryanair
  • Ryanair
  • 29/9-31/12
  • Nonstop
  • 2h 55m total
  • Dublin to Portugal
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£41 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Dublin to Portugal.
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Price to beat on a one-way flight from Dublin to Portugal.
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Cheapflights Fare Finder

 
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

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Wed 30/9

20:35-23:30

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£25

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Sat 10/10

18:35-21:30

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£26

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Sun 13/12

07:00-09:55

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£26

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Mon 14/12

17:35-20:30

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£26

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Wed 16/12

09:50-12:45

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£26
Fastest return journey

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Tue 17/11

06:15-08:40

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£30

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Sat 3/10

18:35-21:30

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£36

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Wed 2/12

09:50-12:45

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£38

DublinLisbon

DUB Dublin - LIS Lisbon Humberto Delgado

DUBLIS

Dublin

Tue 3/11

16:50-19:40

Nonstop2h 50m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£47

DublinLisbon

DUB Dublin - LIS Lisbon Humberto Delgado

DUBLIS

Dublin

Tue 15/9

06:10-09:00

Nonstop2h 50m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£50

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 54 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

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, January is the cheapest month in which you can book a flight from Dublin to Portugal (average of £96). Flying from Dublin to Portugal in July is currently the most expensive (average of £217). 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?

It’s typically best to fly out from Dublin to Portugal at midday. Doing so could potentially save you 34% on the flight price compared to flying in the evening, which is usually more expensive.

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 109 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?

Tuesday 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 60 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?

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

Reviews of airlines servicing Portugal

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
1,745 reviews
Check prices

Comfort

7.2

Boarding

7.5

Overall

7.3

Crew

8.1

Food

6.7

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.
Aer Lingus
7.3
Good
1,745 reviews
Aer Lingus
7.3
Good
1,745 reviews
Check prices

Comfort

7.2

Boarding

7.5

Overall

7.3

Crew

8.1

Food

6.7

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.
TAP AIR PORTUGAL
7.2
Good
2,380 reviews
Aer Lingus
7.3
Good
1,745 reviews
Check prices

Comfort

7.2

Boarding

7.5

Overall

7.3

Crew

8.1

Food

6.7

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.
Ryanair
6.9
Okay
5,489 reviews
Aer Lingus
7.3
Good
1,745 reviews
Check prices

Comfort

7.2

Boarding

7.5

Overall

7.3

Crew

8.1

Food

6.7

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

Related info for your journey

  • 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 275 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, Vueling, and British Airways can get you from Dublin to Portugal in just under 2h 55m. Your travel time can differ by up to 4h 40m. The distance between Dublin and Portugal is about 1136 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 - Faro. You may also consider Dublin - Porto or Dublin - Lisbon Humberto Delgado.

  • 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 (86%), Aer Lingus (82%), Azores Airlines( 65%).

  • What are the cheapest flights from Dublin to Portugal?

    The cheapest flight price from Dublin to Portugal is £57. On average you can expect to pay £1,112. The most popular route, (Dublin - Faro), can usually be booked for £52.

  • 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, January is the cheapest month in which you can book a flight from Dublin to Portugal (average of £96). Flying from Dublin to Portugal in July is currently the most expensive (average of £217). 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

Top 3 airlines flying from Dublin to Portugal

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£55Average£149FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£62Average£199FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£103Average£168FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

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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.

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