Cheap flights from Porto to Athens from $101 OPO → ATH
Porto Airport (OPO) → Eleftherios Venizelos International Airport (ATH)
The cheapest return found recently is $222 with easyJet, 9 Jun 2027 – 18 Jun 2027, found 2 days ago. The cheapest one-way found recently is $101 with Ryanair, 3 Jun 2027, found 7 days ago.
- Cheapest one-way found recently
- $101, found 7 days ago
- Cheapest return found recently
- $222, 9 Jun 2027 to 18 Jun 2027
- Usual return price
- $218 to $245
- Cheapest month to fly
- March 2027, return fares from $214 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $218 to $245.
Cheapest return found recently
$222
9 Jun 2027 – 18 Jun 2027 · easyJet
Porto Airport (OPO) → Eleftherios Venizelos International Airport (ATH)
Leaves 1:45 p.m. · Return leaves 2:50 p.m. · 30 h 20 min of travel, both ways together
out 1 stop, back 1 stop
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$222 9 Jun 2027 – 18 Jun 2027found 2 days agoSee prices for these dates
$214 28 Mar 2027 – 3 Apr 2027found 5 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $167 to $221.
At $222, the cheapest return found recently is above that range.
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 3 departure dates from 28 Mar 2027 to 9 Jun 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 9-night return fares leaving within 3 days of 9 Jun 2027 to compare.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 28 Mar 2027 – 3 Apr 2027 | $214 | Air Serbia | Porto Airport (OPO) → Eleftherios Venizelos International Airport (ATH) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 17 May 2027 – 6 Jun 2027 | $268 | Vueling | Porto Airport (OPO) → Eleftherios Venizelos International Airport (ATH) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 9 Jun 2027 – 18 Jun 2027 | $222 | easyJet | Porto Airport (OPO) → Eleftherios Venizelos International Airport (ATH) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
March 2027 is the cheapest month — from $214.
Airlines on the cheapest dates: Air Serbia, Vueling, easyJet.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $103 to $105.
Cheapest one-way found recently
$101
3 Jun 2027 · Ryanair
Porto Airport (OPO) → Eleftherios Venizelos International Airport (ATH)
Leaves 6:25 p.m. · 18 h trip
1 stop
found 7 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$101 3 Jun 2027found 7 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 27 days, 3 Oct to 11 Nov, the cheapest one-way we saw each day was $93 to $122.
27 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 one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 26 May 2027 to 11 Jun 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 one-way fares leaving within 3 days of 3 Jun 2027 to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 26 May 2027 | $105 | Vueling | Porto Airport (OPO) → Eleftherios Venizelos International Airport (ATH) | 1 stop | found 7 days ago | Open this trip |
| 3 Jun 2027 | $101 | Ryanair | Porto Airport (OPO) → Eleftherios Venizelos International Airport (ATH) | 1 stop | found 7 days ago | Open this trip |
| 11 Jun 2027 | $105 | Vueling | Porto Airport (OPO) → Eleftherios Venizelos International Airport (ATH) | 1 stop | found 7 days ago | Open this trip |
Which month looks cheapest?
June 2027 is the cheapest month — from $101.
Premium cabin fares from Porto to Athens
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 Jun 2027 – 18 Jun 2027 in another cabin: Premium economy · Business · First
Today's prices for 3 Jun 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Porto to Athens?
Return
Fares 60 to 89 days before departure were typically 47% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 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 |
|---|---|---|---|---|
| 0–6 days | $313 | $274 | +87% | 11 |
| 7–13 days | $304 | $202 | +82% | 19 |
| 14–29 days | $218 | $196 | +31% | 25 |
| 30–59 days | $196 | $170 | +17% | 11 |
| 60–89 days | $167 | $167 | Cheapest seen | 7 |
| 90–179 days | $219 | $167 | +31% | 43 |
| 180+ days | $223 | $193 | +34% | 49 |
One-way
Not enough history yet: in 27 days of one-way prices, 3 Oct to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 9 Jun 2027 – 18 Jun 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Porto to Athens?
The cheapest return found recently is $222 with easyJet, 9 Jun 2027 to 18 Jun 2027, found 2 days ago. The cheapest return we hold, of any age, is $214 with Air Serbia, 28 Mar 2027 to 3 Apr 2027, found 5 days ago. The cheapest return fare on each of 3 departure dates is usually $218 to $245.
How much is a one-way flight from Porto to Athens?
The cheapest one-way found recently is $101 with Ryanair, 3 Jun 2027, found 7 days ago. The cheapest one-way fare on each of 3 departure dates is usually $103 to $105.
What is the cheapest month to fly from Porto to Athens?
March 2027 is the cheapest month for a return, from $214, 28 Mar 2027 to 3 Apr 2027, found 5 days ago. June 2027 is the cheapest month for a one-way, from $101, 3 Jun 2027, found 7 days ago.
How far ahead should I book a flight from Porto to Athens?
In 49 days of prices between 24 Sept and 11 Nov, return fares 60 to 89 days before departure were typically 47% lower than 0 to 6 days before departure.
How long is the flight from Porto to Athens?
The cheapest one-way found recently, with Ryanair on 3 Jun 2027, takes 18 h with 1 stop.
Which airlines have the cheapest flights from Porto to Athens?
Between 28 Mar 2027 and 9 Jun 2027, Air Serbia has the cheapest return on 1 of the 3 departure dates we hold, Vueling on 1 and easyJet on 1. Between 26 May 2027 and 11 Jun 2027, Vueling has the cheapest one-way on 2 of the 3 departure dates we hold, and Ryanair on 1.
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