Cheap flights from Porto to Reykjavik from $104 OPO → KEF
Porto Airport (OPO) → Keflavik International Airport (KEF)
The cheapest return found recently is $241 with Ryanair, 24 Feb 2027 – 4 Mar 2027, found yesterday. The cheapest one-way found recently is $104 with easyJet, 7 Apr 2027, found yesterday.
- Cheapest one-way found recently
- $104, found yesterday
- Cheapest return found recently
- $241, 24 Feb 2027 to 4 Mar 2027
- Usual return price
- $391 to $493
- Cheapest month to fly
- February 2027, return fares from $232 found in the last 7 days
Return
The cheapest return fare on each of 8 departure dates is usually $391 to $493.
Cheapest return found recently
$241
24 Feb 2027 – 4 Mar 2027 · Ryanair
Porto Airport (OPO) → Keflavik International Airport (KEF)
Leaves 8:35 p.m. · Return leaves 10:00 a.m. · 35 h 10 min of travel, both ways together
out 2 stops, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$241 24 Feb 2027 – 4 Mar 2027found yesterdaySee prices for these dates
$232 24 Feb 2027 – 4 Mar 2027found 5 days agoSee prices for these dates
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $210 to $277.
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 8 departure dates from 24 Feb 2027 to 4 Aug 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 8-night return fares leaving within 3 days of 24 Feb 2027 to compare.
Every date we hold
10 fares on 8 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Feb 2027 – 4 Mar 2027 | $232 | Ryanair | Porto Airport (OPO) → Keflavik International Airport (KEF) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 7 Apr 2027 – 11 Apr 2027 | $291 | easyJet | Porto Airport (OPO) → Keflavik International Airport (KEF) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 20 Jun 2027 – 27 Jun 2027 | $453 | KLM | Porto Airport (OPO) → Keflavik International Airport (KEF) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 1 Jul 2027 – 17 Jul 2027 | $569 | Lufthansa | Porto Airport (OPO) → Keflavik International Airport (KEF) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 5 Jul 2027 – 19 Jul 2027 | $424 | SWISS | Porto Airport (OPO) → Keflavik International Airport (KEF) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 2 Aug 2027 – 17 Aug 2027 | $489 | Iberia | Porto Airport (OPO) → Keflavik International Airport (KEF) | out 1 stop, back 2 stops | found today | See prices for these dates |
| 3 Aug 2027 – 18 Aug 2027 | $505 | Iberia | Porto Airport (OPO) → Keflavik International Airport (KEF) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 4 Aug 2027 – 19 Aug 2027 | $451 | Iberia | Porto Airport (OPO) → Keflavik International Airport (KEF) | out 1 stop, back 2 stops | found today | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $232.
Airlines on the cheapest dates: Iberia, Ryanair, easyJet, KLM, Lufthansa, SWISS.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $116 to $193.
Cheapest one-way found recently
$104
7 Apr 2027 · easyJet
Porto Airport (OPO) → Keflavik International Airport (KEF)
Leaves 1:45 p.m. · 20 h 40 min trip
1 stop
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$104 7 Apr 2027found yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 8 days, 11 Oct to 12 Nov, the cheapest one-way we saw each day was $75 to $277.
8 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 6 Apr 2027 to 14 Aug 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?
No. We hold one-way fares on 1 other departure date within 3 days of 7 Apr 2027, and it is not cheaper.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 6 Apr 2027 | $127 | easyJet | Porto Airport (OPO) → Keflavik International Airport (KEF) | 1 stop | found yesterday | Open this trip |
| 7 Apr 2027 | $104 | easyJet | Porto Airport (OPO) → Keflavik International Airport (KEF) | 1 stop | found yesterday | Open this trip |
| 14 Aug 2027 | $259 | TAP Air Portugal | Porto Airport (OPO) → Keflavik International Airport (KEF) | 1 stop | found 3 days ago | Open this trip |
Which month looks cheapest?
April 2027 is the cheapest month — from $104.
Airlines on the cheapest dates: easyJet, TAP Air Portugal.
Premium cabin fares from Porto to Reykjavik
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 24 Feb 2027 – 4 Mar 2027 in another cabin: Premium economy · Business · First
Today's prices for 7 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Porto to Reykjavik?
Return
Fares 60 to 89 days before departure were typically 37% lower than 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 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 | $331 | $331 | +58% | 8 |
| 30–59 days | $227 | $227 | +8% | 8 |
| 60–89 days | $210 | $210 | Cheapest seen | 7 |
| 90–179 days | $256 | $210 | +22% | 50 |
| 180+ days | $391 | $391 | +86% | 11 |
One-way
Not enough history yet: in 8 days of one-way prices, 11 Oct to 12 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 24 Feb 2027 – 4 Mar 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 Reykjavik?
The cheapest return found recently is $241 with Ryanair, 24 Feb 2027 to 4 Mar 2027, found yesterday. The cheapest return we hold, of any age, is $232 with Ryanair, 24 Feb 2027 to 4 Mar 2027, found 5 days ago. The cheapest return fare on each of 8 departure dates is usually $391 to $493.
How much is a one-way flight from Porto to Reykjavik?
The cheapest one-way found recently is $104 with easyJet, 7 Apr 2027, found yesterday. The cheapest one-way fare on each of 3 departure dates is usually $116 to $193.
What is the cheapest month to fly from Porto to Reykjavik?
February 2027 is the cheapest month for a return, from $232, 24 Feb 2027 to 4 Mar 2027, found 5 days ago. April 2027 is the cheapest month for a one-way, from $104, 7 Apr 2027, found yesterday.
How far ahead should I book a flight from Porto to Reykjavik?
In 50 days of prices between 24 Sept and 12 Nov, return fares 60 to 89 days before departure were typically 37% lower than 14 to 29 days before departure.
How long is the flight from Porto to Reykjavik?
The cheapest one-way found recently, with easyJet on 7 Apr 2027, takes 20 h 40 min with 1 stop.
Which airlines have the cheapest flights from Porto to Reykjavik?
Between 24 Feb 2027 and 4 Aug 2027, Iberia has the cheapest return on 3 of the 8 departure dates we hold, Ryanair on 1 and easyJet on 1. Between 6 Apr 2027 and 14 Aug 2027, easyJet has the cheapest one-way on 2 of the 3 departure dates we hold, and TAP Air Portugal 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