Lisbon to Reykjavik LIS → KEF
Lisbon Portela Airport (LIS) → Keflavik International Airport (KEF)
The cheapest return found recently is $415 with Portugalia Airlines, 29 Mar 2027 – 4 Apr 2027, found yesterday.
Return
The cheapest return fare on each of 3 departure dates is usually $375 to $448.
Cheapest return found recently
$415
29 Mar 2027 – 4 Apr 2027 · Portugalia Airlines
Lisbon Portela Airport (LIS) → Keflavik International Airport (KEF)
Leaves 10:35 p.m. · Return leaves 11:50 p.m. · 66 h 25 min of travel, both ways together
out 2 stops, back 3 stops
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$415 29 Mar 2027 – 4 Apr 2027found yesterdaySee prices for these dates
$335 22 Dec – 3 Jan 2027found 4 days agoSee prices for these dates
What have prices looked like?
Over 20 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $194 to $392.
At $415, the cheapest return found recently is above that range.
20 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 3 departure dates from 22 Dec to 29 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 6-night return fares leaving within 3 days of 29 Mar 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 | |
|---|---|---|---|---|---|---|
| 22 Dec – 3 Jan 2027 | $335 | easyJet | Lisbon Portela Airport (LIS) → Keflavik International Airport (KEF) | out 1 stop, back 2 stops | found 4 days ago | See prices for these dates |
| 1 Mar 2027 – 1 Apr 2027 | $481 | Wizz Air | Lisbon Portela Airport (LIS) → Keflavik International Airport (KEF) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 29 Mar 2027 – 4 Apr 2027 | $415 | Portugalia Airlines | Lisbon Portela Airport (LIS) → Keflavik International Airport (KEF) | out 2 stops, back 3 stops | found yesterday | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $335.
Airlines on the cheapest dates: easyJet, Wizz Air, Portugalia Airlines.
Premium cabin fares from Lisbon 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 29 Mar 2027 – 4 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Lisbon to Reykjavik?
Return
Fares 60 to 89 days before departure were typically 21% lower than 30 to 59 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (20 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 |
|---|---|---|---|---|
| 30–59 days | $257 | $257 | +27% | 8 |
| 60–89 days | $202 | $202 | Cheapest seen | 12 |
| 90–179 days | $366 | $194 | +81% | 14 |
| 180+ days | $392 | $392 | +94% | 8 |
Live price for these dates
The cheapest return found recently is for 29 Mar 2027 – 4 Apr 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