Porto to Dublin OPO → DUB
Porto Airport (OPO) → Dublin Airport (DUB)
The cheapest return found recently is $201 with TAP Air Portugal, 9 Mar 2027 – 21 Mar 2027, found yesterday.
Return
The cheapest return fare on each of 5 departure dates is usually $122 to $201.
Cheapest return found recently
$201
9 Mar 2027 – 21 Mar 2027 · TAP Air Portugal
Porto Airport (OPO) → Dublin Airport (DUB)
Leaves 8:00 p.m. · Return leaves 4:15 a.m. · 32 h 55 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
$66
22 Nov – 28 Nov · Ryanair
Porto Airport (OPO) → Dublin Airport (DUB)
Leaves 9:20 a.m. · Return leaves 5:00 p.m. · 4 h 50 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$201 9 Mar 2027 – 21 Mar 2027found yesterdaySee prices for these dates
$66 22 Nov – 28 Novfound 2 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $47 to $91.
At $201, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 5 departure dates from 22 Nov to 16 Mar 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 12-night return fares leaving within 3 days of 9 Mar 2027 to compare.
Every date we hold
5 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 22 Nov – 28 Nov | $66 | Ryanair | Porto Airport (OPO) → Dublin Airport (DUB) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 28 Jan 2027 – 31 Jan 2027 | $122 | Ryanair | Porto Airport (OPO) → Dublin Airport (DUB) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 9 Mar 2027 – 21 Mar 2027 | $201 | TAP Air Portugal | Porto Airport (OPO) → Dublin Airport (DUB) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 10 Mar 2027 – 21 Mar 2027 | $193 | TAP Air Portugal | Porto Airport (OPO) → Dublin Airport (DUB) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 16 Mar 2027 – 28 Mar 2027 | $220 | Portugalia Airlines | Porto Airport (OPO) → Dublin Airport (DUB) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $66.
Airlines on the cheapest dates: Ryanair, TAP Air Portugal, Portugalia Airlines.
Premium cabin fares from Porto to Dublin
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 9 Mar 2027 – 21 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Porto to Dublin?
Return
Fares 30 to 59 days before departure were typically 40% lower than 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $128 | $128 | +66% | 7 |
| 30–59 days | $77 | $47 | Cheapest seen | 25 |
| 90–179 days | $122 | $117 | +58% | 23 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
One-way
Porto → Belfast
140 km from Dublin
$140
23 Jul 2027 · OPO → BFS · nonstop
found 6 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 9 Mar 2027 – 21 Mar 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work