£98 Cheap Flights from Lisbon (LIS) to Reykjavik (KEF)

View £98 flight on Fri, 24 Oct 2025Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to Keflavik International Airport (KEF)

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

Prices were available within the past 7 days and start at £98 for one-way flights and £139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fly Play
Fri, 24 Oct - Fri, 31 Oct
LIS
Lisbon
KEF
Reykjavik
£139 Return, found 5 days ago
£139
Return
found 5 days ago
Select Fly Play flight, departing Fri, 24 Oct from Lisbon to Reykjavik, returning Fri, 31 Oct, priced at £139 found 5 days ago
Fly Play
Mon, 24 Nov - Mon, 1 Dec
LIS
Lisbon
KEF
Reykjavik
£151 Return, found 1 day ago
£151
Return
found 1 day ago
Select Fly Play flight, departing Mon, 24 Nov from Lisbon to Reykjavik, returning Mon, 1 Dec, priced at £151 found 1 day ago
Fly Play
Fri, 13 Mar - Mon, 16 Mar
LIS
Lisbon
KEF
Reykjavik
£153 Return, found 4 days ago
£153
Return
found 4 days ago
Select Fly Play flight, departing Fri, 13 Mar from Lisbon to Reykjavik, returning Mon, 16 Mar, priced at £153 found 4 days ago
Fly Play
Fri, 19 Sept - Mon, 22 Sept
LIS
Lisbon
KEF
Reykjavik
£153 Return, found 3 days ago
£153
Return
found 3 days ago
Select Fly Play flight, departing Fri, 19 Sept from Lisbon to Reykjavik, returning Mon, 22 Sept, priced at £153 found 3 days ago
Fly Play
Fri, 19 Sept - Mon, 29 Sept
LIS
Lisbon
KEF
Reykjavik
£156 Return, found 2 days ago
£156
Return
found 2 days ago
Select Fly Play flight, departing Fri, 19 Sept from Lisbon to Reykjavik, returning Mon, 29 Sept, priced at £156 found 2 days ago
Fly Play
Mon, 29 Sept - Mon, 13 Oct
LIS
Lisbon
KEF
Reykjavik
£175 Return, found 9 hours ago
£175
Return
found 9 hours ago
Select Fly Play flight, departing Mon, 29 Sept from Lisbon to Reykjavik, returning Mon, 13 Oct, priced at £175 found 9 hours ago
Iberia
Fri, 24 Oct - Mon, 27 Oct
LIS
Lisbon
KEF
Reykjavik
£210 Return, found 1 day ago
£210
Return
found 1 day ago
Select Iberia flight, departing Fri, 24 Oct from Lisbon to Reykjavik, returning Mon, 27 Oct, priced at £210 found 1 day ago
Lufthansa
Thu, 4 Dec - Sun, 7 Dec
LIS
Lisbon
KEF
Reykjavik
£239 Return, found 9 hours ago
£239
Return
found 9 hours ago
Select Lufthansa flight, departing Thu, 4 Dec from Lisbon to Reykjavik, returning Sun, 7 Dec, priced at £239 found 9 hours ago
Scandinavian Airlines
Wed, 17 Dec - Wed, 24 Dec
LIS
Lisbon
KEF
Reykjavik
£265 Return, found 3 days ago
£265
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Wed, 17 Dec from Lisbon to Reykjavik, returning Wed, 24 Dec, priced at £265 found 3 days ago
World Ticket Ltd
Fri, 12 Dec - Fri, 19 Dec
LIS
Lisbon
KEF
Reykjavik
£268 Return, found 1 day ago
£268
Return
found 1 day ago
Select World Ticket Ltd flight, departing Fri, 12 Dec from Lisbon to Reykjavik, returning Fri, 19 Dec, priced at £268 found 1 day ago

Find the cheapest month to fly from Lisbon (LIS) to Reykjavik (KEF)

January is typically the cheapest month to fly

From £132 - £447 per traveller.

Graph displaying average flight prices per month

Flight from Lisbon to Reykjavik route information
Origin airport
Humberto Delgado
Destination airport
Keflavik Intl.
Airlines serving
British Airways, Finnair, Fly Play, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, World Ticket Ltd
Return price
£139
Distance
2925 km
Average flight time
3 hours 27 mins

Compare flights from Lisbon to Reykjavik easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Lisbon to Reykjavik. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Keflavik Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Humberto Delgado to Keflavik Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Humberto Delgado (LIS) to Keflavik Intl. (KEF)

The easiest way to view the best deals on flights from Lisbon to Reykjavik today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Humberto Delgado to Keflavik Intl. start at just £139 and range up to £268.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Lisbon and Reykjavik
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Lisbon to Reykjavik flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Humberto Delgado to Keflavik Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Lisbon/Portela Airport to Keflavik Intl. Airport (KEF)?
The lowest price advertised for a round-trip journey from LIS to Keflavik Intl. Airport (KEF) is £139. But you better move fast. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LIS to Reykjavík–Keflavík Airport?
Most flights can be cancelled online, but whether or not you incur a fee differs between airlines. If you do have to cancel your holiday, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Humberto Delgado Airport (LIS) to Reykjavík–Keflavík Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF)?
Expect to be in the air for a while, as the flight distance from Lisbon District to Reykjanesbær is 2,900 kilometres. Put together a playlist of your favourite podcasts before you leave home to keep yourself entertained during the journey.
Which airlines fly direct from Humberto Delgado Airport (LIS) to Reykjavík–Keflavík Airport?
You won't find any airlines operating directly between Lisbon/Portela Airport and Reykjavík–Keflavík Airport, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip!
Are Lisbon/Portela Airport to Reykjavík–Keflavík Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Lisbon Airport to Reykjavík–Keflavík Airport last minute could be your ticket to a cheap deal. However, it could end up costing you a whole lot more! If you'd rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

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