€123 Cheap Flights Lisbon to Reykjavik (LIS-KEF)

View €123 flight on Fri, 19 Sep 2025Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to Reykjavik–Keflavik Intl. Airport (KEF)

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Cheap flights from Lisbon to Reykjavik (LIS-KEF)

Prices were available within the past 7 days and start at €123 for one-way flights and €188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fly Play
Mon, 29 Sep - Mon, 13 Oct
LIS
Lisbon
KEF
Reykjavik
€188 Return, found 5 days ago
€188
Return
found 5 days ago
Select Fly Play flight, departing Mon, 29 Sep from Lisbon to Reykjavik, returning Mon, 13 Oct, priced at €188 found 5 days ago
Fly Play
Fri, 26 Sep - Fri, 3 Oct
LIS
Lisbon
KEF
Reykjavik
€226 Return, found 19 hours ago
€226
Return
found 19 hours ago
Select Fly Play flight, departing Fri, 26 Sep from Lisbon to Reykjavik, returning Fri, 3 Oct, priced at €226 found 19 hours ago
Icelandair
Sun, 11 Jan - Thu, 15 Jan
LIS
Lisbon
KEF
Reykjavik
€244 Return, found 4 days ago
€244
Return
found 4 days ago
Select Icelandair flight, departing Sun, 11 Jan from Lisbon to Reykjavik, returning Thu, 15 Jan, priced at €244 found 4 days ago
Fly Play
Mon, 12 Jan - Thu, 15 Jan
LIS
Lisbon
KEF
Reykjavik
€279 Return, found 4 days ago
€279
Return
found 4 days ago
Select Fly Play flight, departing Mon, 12 Jan from Lisbon to Reykjavik, returning Thu, 15 Jan, priced at €279 found 4 days ago
KLM
Thu, 4 Sep - Mon, 8 Sep
LIS
Lisbon
KEF
Reykjavik
€295 Return, found 2 days ago
€295
Return
found 2 days ago
Select KLM flight, departing Thu, 4 Sep from Lisbon to Reykjavik, returning Mon, 8 Sep, priced at €295 found 2 days ago
Fly Play
Mon, 12 Jan - Thu, 15 Jan
LIS
Lisbon
KEF
Reykjavik
€307 Return, found 4 days ago
€307
Return
found 4 days ago
Select Fly Play flight, departing Mon, 12 Jan from Lisbon to Reykjavik, returning Thu, 15 Jan, priced at €307 found 4 days ago
Lufthansa
Fri, 14 Nov - Sun, 23 Nov
LIS
Lisbon
KEF
Reykjavik
€308 Return, found 5 days ago
€308
Return
found 5 days ago
Select Lufthansa flight, departing Fri, 14 Nov from Lisbon to Reykjavik, returning Sun, 23 Nov, priced at €308 found 5 days ago
Icelandair
Sun, 11 Jan - Thu, 15 Jan
LIS
Lisbon
KEF
Reykjavik
€309 Return, found 4 days ago
€309
Return
found 4 days ago
Select Icelandair flight, departing Sun, 11 Jan from Lisbon to Reykjavik, returning Thu, 15 Jan, priced at €309 found 4 days ago
Scandinavian Airlines
Sun, 11 Jan - Thu, 15 Jan
LIS
Lisbon
KEF
Reykjavik
€311 Return, found 4 days ago
€311
Return
found 4 days ago
Select Scandinavian Airlines flight, departing Sun, 11 Jan from Lisbon to Reykjavik, returning Thu, 15 Jan, priced at €311 found 4 days ago
Scandinavian Airlines
Mon, 12 Jan - Thu, 15 Jan
LIS
Lisbon
KEF
Reykjavik
€312 Return, found 4 days ago
€312
Return
found 4 days ago
Select Scandinavian Airlines flight, departing Mon, 12 Jan from Lisbon to Reykjavik, returning Thu, 15 Jan, priced at €312 found 4 days ago

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

January is typically the cheapest month to fly

From €153 - €513 per traveller.

Graph displaying average flight prices per month

Lisbon to Reykjavik route information
Origin airport
Humberto Delgado
Destination airport
Keflavik Intl.
Airlines serving
Austrian Airlines, British Airways, Finnair, Fly Play, Icelandair, Lufthansa, Swiss International Air Lines, TAP Portugal, World Ticket Ltd
Return price
€188
Distance
2925 km
Average flight time
3 hours 30 mins

Perfect flights from Lisbon to Reykjavik

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Lisbon to Reykjavik. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Suðurnesjabær, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Humberto Delgado to Keflavik Intl. ticket options cater to your travel preferences, with incredible one-way fares from €123 and roundtrip prices from €188. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Keflavik Intl. and explore Suðurnesjabær and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your LIS to KEF travel arrangements today and embark on the journey of a lifetime in Reykjavik.

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 €188. 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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