Cheap flights from Lisbon to Reykjavik from $377 LIS → KEF
Lisbon Portela Airport (LIS) → Keflavik International Airport (KEF)
The cheapest return found recently is $377 with Lufthansa, 8 Apr 2027 – 15 Apr 2027, found 2 days ago.
- Cheapest return found recently
- $377, 8 Apr 2027 to 15 Apr 2027
- Usual return price
- $280 to $330
- Cheapest month to fly
- February 2027, return fares from $277 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $280 to $330.
Cheapest return found recently
$377
8 Apr 2027 – 15 Apr 2027 · Lufthansa
Lisbon Portela Airport (LIS) → Keflavik International Airport (KEF)
Leaves 5:05 a.m. · Return leaves 2:10 p.m. · 17 h 15 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
$377 8 Apr 2027 – 15 Apr 2027found 2 days agoSee prices for these dates
$277 1 Feb 2027 – 21 Feb 2027found 5 days agoSee prices for these dates
What have prices looked like?
Over 38 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $194 to $429.
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 8 Apr 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 7-night return fares leaving within 3 days of 8 Apr 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 | $283 | Ryanair | Lisbon Portela Airport (LIS) → Keflavik International Airport (KEF) | out 1 stop, back 2 stops | found 3 days ago | See prices for these dates |
| 1 Feb 2027 – 21 Feb 2027 | $277 | Iberia | Lisbon Portela Airport (LIS) → Keflavik International Airport (KEF) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 8 Apr 2027 – 15 Apr 2027 | $377 | Lufthansa | Lisbon Portela Airport (LIS) → Keflavik International Airport (KEF) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $277.
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 8 Apr 2027 – 15 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 16% lower than 30 to 59 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (38 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 | $279 | $257 | +19% | 18 |
| 60–89 days | $234 | $202 | Cheapest seen | 16 |
| 90–179 days | $366 | $194 | +56% | 22 |
| 180+ days | $404 | $354 | +73% | 20 |
Live price for these dates
The cheapest return found recently is for 8 Apr 2027 – 15 Apr 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 Lisbon to Reykjavik?
The cheapest return found recently is $377 with Lufthansa, 8 Apr 2027 to 15 Apr 2027, found 2 days ago. The cheapest return we hold, of any age, is $277 with Iberia, 1 Feb 2027 to 21 Feb 2027, found 5 days ago. The cheapest return fare on each of 3 departure dates is usually $280 to $330.
What is the cheapest month to fly from Lisbon to Reykjavik?
February 2027 is the cheapest month for a return, from $277, 1 Feb 2027 to 21 Feb 2027, found 5 days ago.
How far ahead should I book a flight from Lisbon to Reykjavik?
In 38 days of prices between 24 Sept and 11 Nov, return fares 60 to 89 days before departure were typically 16% lower than 30 to 59 days before departure.
Which airlines have the cheapest flights from Lisbon to Reykjavik?
Between 22 Dec and 8 Apr 2027, Ryanair has the cheapest return on 1 of the 3 departure dates we hold, Iberia on 1 and Lufthansa 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