£146 Cheap Flights from Lisbon (LIS) to Reykjavik (KEF)

View £146 flight on Wed, 20 May 2026Opens 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 £146 for one-way flights and £224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, 12 Jun - Fri, 19 Jun
LIS
Lisbon
KEF
Reykjavik
£224 Return, found 2 hours ago
£224
Return
found 2 hours ago
Select Lufthansa flight, departing Fri, 12 Jun from Lisbon to Reykjavik, returning Fri, 19 Jun, priced at £224 found 2 hours ago
Lufthansa
Fri, 19 Jun - Fri, 26 Jun
LIS
Lisbon
KEF
Reykjavik
£252 Return, found 2 hours ago
£252
Return
found 2 hours ago
Select Lufthansa flight, departing Fri, 19 Jun from Lisbon to Reykjavik, returning Fri, 26 Jun, priced at £252 found 2 hours ago
Lufthansa
Thu, 30 Apr - Thu, 7 May
LIS
Lisbon
KEF
Reykjavik
£297 Return, found 2 days ago
£297
Return
found 2 days ago
Select Lufthansa flight, departing Thu, 30 Apr from Lisbon to Reykjavik, returning Thu, 7 May, priced at £297 found 2 days ago
Lufthansa
Thu, 30 Apr - Thu, 7 May
LIS
Lisbon
KEF
Reykjavik
£299 Return, found 2 days ago
£299
Return
found 2 days ago
Select Lufthansa flight, departing Thu, 30 Apr from Lisbon to Reykjavik, returning Thu, 7 May, priced at £299 found 2 days ago
Norwegian Air Shuttle
Wed, 20 May - Wed, 27 May
LIS
Lisbon
KEF
Reykjavik
£309 Return, found 3 days ago
£309
Return
found 3 days ago
Select Norwegian Air Shuttle flight, departing Wed, 20 May from Lisbon to Reykjavik, returning Wed, 27 May, priced at £309 found 3 days ago
Lufthansa
Wed, 6 May - Thu, 7 May
LIS
Lisbon
KEF
Reykjavik
£317 Return, found 6 hours ago
£317
Return
found 6 hours ago
Select Lufthansa flight, departing Wed, 6 May from Lisbon to Reykjavik, returning Thu, 7 May, priced at £317 found 6 hours ago
Lufthansa
Tue, 5 May - Thu, 7 May
LIS
Lisbon
KEF
Reykjavik
£323 Return, found 6 hours ago
£323
Return
found 6 hours ago
Select Lufthansa flight, departing Tue, 5 May from Lisbon to Reykjavik, returning Thu, 7 May, priced at £323 found 6 hours ago
Icelandair
Thu, 3 Dec - Thu, 10 Dec
LIS
Lisbon
KEF
Reykjavik
£330 Return, found 5 days ago
£330
Return
found 5 days ago
Select Icelandair flight, departing Thu, 3 Dec from Lisbon to Reykjavik, returning Thu, 10 Dec, priced at £330 found 5 days ago
KLM
Tue, 6 Oct - Thu, 15 Oct
LIS
Lisbon
KEF
Reykjavik
£353 Return, found 6 days ago
£353
Return
found 6 days ago
Select KLM flight, departing Tue, 6 Oct from Lisbon to Reykjavik, returning Thu, 15 Oct, priced at £353 found 6 days ago
British Airways
Tue, 1 Dec - Sun, 6 Dec
LIS
Lisbon
KEF
Reykjavik
£357 Return, found 6 days ago
£357
Return
found 6 days ago
Select British Airways flight, departing Tue, 1 Dec from Lisbon to Reykjavik, returning Sun, 6 Dec, priced at £357 found 6 days ago

Frequently asked questions

How much does a flight from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.) cost?
One-way flights typically cost between £424 and £1,461 and return flights often range between £424 and £1,461. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
Which airlines fly direct from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.)?
Enter LIS to KEF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.)?
To find a cheap flight from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.)?
The best airline to fly with from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.) will differ from traveller to traveller. If you like to fly early, FI offers early morning flights. If price is the most important factor, FI typically offers the lowest fares. TP offers the most daily flights from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.)?
There are approximately 50 connecting flights per day from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.). Some common connection points include Schiphol (AMS), Heathrow (LHR), and Frankfurt Intl. (FRA).
What is the earliest flight from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.)?
The earliest flight from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.) typically departs at approximately 5:00 AM local time, operated by KL and FI. This is a seasonal service active in January, March, April, May, July, August, and November. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.)?
You'll typically find the most flights from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.) on a Wednesday, with around 54 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include TAP Air Portugal, Lufthansa, and KLM.
What are the most popular departure times for flights from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.)?
The most popular departure times for flights from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.) are in the morning, from 6am to 9am. About 33% of passengers prefer this time. This timing works well because it allows you to start your journey bright and early, arriving in Reykjavik with plenty of time to settle in and begin exploring.
How long does it take to fly from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.)?
Flying nonstop from LIS to KEF takes around 4 hours 30 minutes, with the route covering approximately 1,829 miles. Flights with a layover typically take 19 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.)?
Select the "Business class" and "First class" filters when looking for LIS to KEF flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.) flight with Expedia?
It's easy to earn miles on a Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Reykjavik from Humberto Delgado (LIS)?
From Humberto Delgado (LIS), you can fly directly into Keflavik Intl. (KEF) to reach Reykjavik. Some flights may connect through major hubs like Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), Dr. Francisco de Sa Carneiro (OPO) before reaching Reykjavik. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.) at the last minute?
Typically, booking a last minute flight from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.) flight and hotel package?
Securing a Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.)?
If you booked your Lisbon (LIS-Humberto Delgado) to Reykjavik (KEF-Keflavik Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Humberto Delgado
Destination airport
Keflavik Intl.
Airlines serving
Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal
Return price
£224
Distance
2925 km
Average flight time
3 hours 25 mins

Book with confidence

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 £224 and range up to £357.  

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 June, 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.  

Compare flights from Lisbon to Reykjavik easily and book with confidence

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