Cheap Flights from Reykjavik (KEF) to Lisbon (LIS)

Compare Reykjavik Keflavik to Lisbon flight deals

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Flight deals from Reykjavik Keflavik to Lisbon

Looking for a cheap last-minute deal or the best return flight from Reykjavik Keflavik Airport to Lisbon Airport? If you want to travel next month, return fares start from $505. Find the lowest prices on one-way and return tickets right here.

Lisbon.$293 per passenger.Departing Tue, 3 Nov, returning Tue, 10 Nov.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Tue, 3 Nov, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Tue, 10 Nov, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $293, select.

Lisbon.$307 per passenger.Departing Tue, 1 Dec, returning Tue, 8 Dec.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Tue, 1 Dec, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Tue, 8 Dec, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $307, select.

Lisbon.$308 per passenger.Departing Tue, 11 May, returning Tue, 18 May.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Tue, 11 May, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Tue, 18 May, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $308, select.

Lisbon.$320 per passenger.Departing Tue, 27 Oct, returning Tue, 3 Nov.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Tue, 27 Oct, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Tue, 3 Nov, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $320, select.

Lisbon.$323 per passenger.Departing Fri, 9 Apr, returning Fri, 16 Apr.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Fri, 9 Apr, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Fri, 16 Apr, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $323, select.

Lisbon.$327 per passenger.Departing Tue, 24 Nov, returning Tue, 8 Dec.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Tue, 24 Nov, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Tue, 8 Dec, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $327, select.

Lisbon.$332 per passenger.Departing Tue, 18 May, returning Mon, 7 Jun.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Tue, 18 May, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Mon, 7 Jun, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $332, select.

Lisbon.$337 per passenger.Departing Wed, 14 Oct, returning Wed, 21 Oct.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Wed, 14 Oct, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Wed, 21 Oct, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $337, select.

Lisbon.$338 per passenger.Departing Tue, 1 Jun, returning Tue, 8 Jun.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Tue, 1 Jun, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Tue, 8 Jun, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $338, select.

Lisbon.$344 per passenger.Departing Sun, 10 Jan, returning Sun, 17 Jan.Return flight with Vueling Airlines and easyJet.Outbound indirect flight with Vueling Airlines, departs from Reykjavik Keflavik on Sun, 10 Jan, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Sun, 17 Jan, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $344, select.

Lisbon.$353 per passenger.Departing Mon, 22 Feb, returning Mon, 1 Mar.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Mon, 22 Feb, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Mon, 1 Mar, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $353, select.

Lisbon.$358 per passenger.Departing Fri, 29 Jan, returning Fri, 5 Feb.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Fri, 29 Jan, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Fri, 5 Feb, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $358, select.

Lisbon.$366 per passenger.Departing Tue, 16 Feb, returning Tue, 23 Feb.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Tue, 16 Feb, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Tue, 23 Feb, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $366, select.

Lisbon.$373 per passenger.Departing Tue, 27 Apr, returning Tue, 4 May.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Tue, 27 Apr, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Tue, 4 May, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $373, select.

Lisbon.$375 per passenger.Departing Tue, 9 Mar, returning Tue, 16 Mar.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Tue, 9 Mar, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Tue, 16 Mar, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $375, select.

Lisbon.$381 per passenger.Departing Wed, 16 Dec, returning Tue, 12 Jan.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Wed, 16 Dec, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Tue, 12 Jan, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $381, select.

Find the cheapest month to fly from Reykjavik Keflavik to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Reykjavik Keflavik to Lisbon flights are currently cheapest in November.

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Direct flights from Reykjavik Keflavik to Lisbon

Reykjavik Keflavik to Lisbon: Alternative routes

Compare routes from Reykjavik Keflavik to Lisbon below. You may find an airport to fly into that's cheaper, faster, or easier than Lisbon.

Lisbon

8km from central Lisbon

ClosestCheapest

from $293

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Cascais Municipal Aerodrome

19km from central Lisbon

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Reykjavik to Lisbon: Flight information

The things to know before you go.

Cheapest flight found	$293
Cheapest month to fly	November
Average flight time	4 hrs, 20 mins
Most popular airline	Icelandair
Average flights per week	7

Finding cheap flights from Reykjavik Keflavik to Lisbon: Frequently asked questions

How much are return flights from Reykjavik Keflavik to Lisbon?

The best price we found for a return flight from Reykjavik Keflavik to Lisbon is $293. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Reykjavik Keflavik to Lisbon?

4 hours and 20 minutes is the average flight time from Reykjavik Keflavik to Lisbon.

Which airlines fly direct from Reykjavik Keflavik to Lisbon?

Icelandair and TAP Air Portugal fly direct from Reykjavik Keflavik to Lisbon.

How many flights are there a week from Reykjavik Keflavik to Lisbon?

As of July 2026, there are 7 flights per week flying from Reykjavik Keflavik to Lisbon.

When is the cheapest time to fly from Reykjavik Keflavik to Lisbon?

The cheapest month to fly from Reykjavik Keflavik to Lisbon is usually November.

Which upcoming date is cheapest to fly from Reykjavik Keflavik Airport to Lisbon Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Reykjavik Keflavik Airport to Lisbon Airport on Tuesday, 3 November 2026.

Can I get a direct flight from Reykjavik Keflavik Airport to Lisbon Airport?

Yes – the average flight time is 4 hours and 20 minutes.

How can I find the best flight deal to Lisbon?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Lisbon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Lisbon?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Reykjavik Keflavik Airport to Lisbon with?

Currently, easyJet and Icelandair offer the cheapest flight tickets to Lisbon.

Flying from Reykjavik Keflavik Airport (KEF) to Lisbon Airport (LIS): what you need to know

Around 4 hours 25 minutes is how long you'll be travelling on a direct flight from Reykjavik Keflavik Airport to Lisbon Airport.
Reykjavik and Lisbon share the UTC+0 timezone. That means you won't have to change your watch when you arrive.
Choose from four weekly Reykjavik Keflavik Airport to Lisbon Airport flights. The 14:50 departure with Fly Play is the earliest available. Icelandair operates the last service of the day at 16:00.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport with enough time to catch your KEF to LIS flight.
Be prepared for bigger queues in popular months like August. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a wise move.
Flugfélag Íslands is your gateway to exploring Lisbon (and maybe even some other exciting parts of Portugal!). Check out the direct flights from Reykjavik Keflavik Airport to Lisbon Airport offered by this popular airline.
Flugfélag Íslands tops the list for bookings on this route.
Flugfélag Íslands is the most punctual carrier that operates KEF to LIS flights, with 66.67% of its services landing on schedule.
We make it a cinch to book a flight with a stopover. To see all your options for tickets from Reykjavik Keflavik Airport to Lisbon Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to visit your chosen city. Some great stopovers between KEF and LIS include:
- Amsterdam Schiphol Airport
- Paris Charles de Gaulle Airport
- Madrid Airport

How to find the cheapest flights from Reykjavik Keflavik Airport (KEF) to Lisbon Airport (LIS)

$138 is the lowest price for a one-way Reykjavik Keflavik Airport to Lisbon Airport flight. A return flight starts from $293. These fares may change depending on availability.
Score cheap tickets from KEF to LIS by booking at least six months ahead. Based on our research, that's the sweet spot for picking up a bargain.
Organise your trip for November. That's the cheapest month for flights from Reykjavik Keflavik Airport to Lisbon Airport. If you're flexible on when you fly, try out the 'Whole month' tool to find the lowest airfare across every month.
Snapping up cheap flights from KEF to LIS is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as a new discounted fare appears.
Pick your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Reykjavik Keflavik Airport to Lisbon Airport.

Handy information about Reykjavik Keflavik Airport (KEF)

When it comes to the on-time performance of Reykjavik Keflavik Airport, 78% of flights stick to their scheduled arrival time.
Reykjavik Keflavik Airport is around 48 kilometres from central Reykjavik. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 45 minutes or so to arrive, depending on the traffic.
Expect a trip time of about 55 minutes on public transport.
Taking an early flight from Reykjavik Keflavik Airport to Lisbon Airport? Avoid the last-minute rush to the airport (and sneak in some extra precious sleep) by choosing one of these hotels close to KEF:

Arriving at Lisbon Airport (LIS)

If you're landing on a late Reykjavik Keflavik Airport to Lisbon Airport flight, nothing tops the convenience of being near the terminal. Pick up your bags from the carousel and then be showered and snoozing soon after at one of these accommodation options near LIS:
Explore without limits with a Lisbon Airport rental car. Pick up a set of wheels from Klass Wagen, Goldcar or OK Mobility and venture far and wide through Lisbon and beyond.
Reserving your vehicle from Lisbon Airport around two weeks in advance can help you get the best possible rate.

When to fly to Lisbon Airport (LIS)

August is the most popular month for flights from Reykjavik Keflavik Airport to Lisbon Airport. For a quieter experience, head to Lisbon in March.
Before locking in your flight from Reykjavik Keflavik Airport to Lisbon Airport, consider the type of weather you enjoy. August is the warmest month in Lisbon, with temperatures ranging from 16ºC (61ºF) to 29ºC (84ºF).
If you want cooler conditions, look for a cheap ticket from KEF to LIS in January. Average temperatures are between 8ºC (46ºF) and 16ºC (61ºF) then.

Explore more of Portugal

You've seen Lisbon, now it's time to discover more of Portugal. Journey around 274 kilometres north to Porto to tick off its popular sights. From Ribeira District to Rio Douro and Livraria Lello, you've got a jam-packed schedule ahead.
Amadora is another essential stop in Portugal and is around 8 kilometres north-west of Lisbon. No trip is complete without dropping by Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.