$118 Cheap Flights from Lisbon (LIS) to Reykjavik (KEF)

View $118 flight on Wed, Apr 15, 2026Opens 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 $118 for one-way flights and $181 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fly Play
Fri, Nov 28 - Fri, Dec 5
LIS
Lisbon
KEF
Reykjavik
$181 Roundtrip, found 15 hours ago
$181
Roundtrip
found 15 hours ago
Select Fly Play flight, departing Fri, Nov 28 from Lisbon to Reykjavik, returning Fri, Dec 5, priced at $181 found 15 hours ago
Fly Play
Fri, Dec 5 - Fri, Dec 12
LIS
Lisbon
KEF
Reykjavik
$194 Roundtrip, found 15 hours ago
$194
Roundtrip
found 15 hours ago
Select Fly Play flight, departing Fri, Dec 5 from Lisbon to Reykjavik, returning Fri, Dec 12, priced at $194 found 15 hours ago
Fly Play
Mon, Jan 26 - Mon, Feb 2
LIS
Lisbon
KEF
Reykjavik
$198 Roundtrip, found 14 hours ago
$198
Roundtrip
found 14 hours ago
Select Fly Play flight, departing Mon, Jan 26 from Lisbon to Reykjavik, returning Mon, Feb 2, priced at $198 found 14 hours ago
Fly Play
Fri, Sep 12 - Mon, Sep 15
LIS
Lisbon
KEF
Reykjavik
$202 Roundtrip, found 5 hours ago
$202
Roundtrip
found 5 hours ago
Select Fly Play flight, departing Fri, Sep 12 from Lisbon to Reykjavik, returning Mon, Sep 15, priced at $202 found 5 hours ago
Fly Play
Mon, Dec 15 - Mon, Dec 22
LIS
Lisbon
KEF
Reykjavik
$205 Roundtrip, found 15 hours ago
$205
Roundtrip
found 15 hours ago
Select Fly Play flight, departing Mon, Dec 15 from Lisbon to Reykjavik, returning Mon, Dec 22, priced at $205 found 15 hours ago
Fly Play
Fri, Nov 21 - Fri, Nov 28
LIS
Lisbon
KEF
Reykjavik
$211 Roundtrip, found 15 hours ago
$211
Roundtrip
found 15 hours ago
Select Fly Play flight, departing Fri, Nov 21 from Lisbon to Reykjavik, returning Fri, Nov 28, priced at $211 found 15 hours ago
Icelandair
Thu, Jan 8 - Sun, Jan 11
LIS
Lisbon
KEF
Reykjavik
$228 Roundtrip, found 5 days ago
$228
Roundtrip
found 5 days ago
Select Icelandair flight, departing Thu, Jan 8 from Lisbon to Reykjavik, returning Sun, Jan 11, priced at $228 found 5 days ago
Lufthansa
Thu, Feb 5 - Thu, Feb 12
LIS
Lisbon
KEF
Reykjavik
$234 Roundtrip, found 14 hours ago
$234
Roundtrip
found 14 hours ago
Select Lufthansa flight, departing Thu, Feb 5 from Lisbon to Reykjavik, returning Thu, Feb 12, priced at $234 found 14 hours ago
World Ticket Ltd
Fri, Apr 10 - Fri, Apr 17
LIS
Lisbon
KEF
Reykjavik
$251 Roundtrip, found 13 hours ago
$251
Roundtrip
found 13 hours ago
Select World Ticket Ltd flight, departing Fri, Apr 10 from Lisbon to Reykjavik, returning Fri, Apr 17, priced at $251 found 13 hours ago
Scandinavian Airlines
Sun, Dec 7 - Sun, Dec 14
LIS
Lisbon
KEF
Reykjavik
$286 Roundtrip, found 15 hours ago
$286
Roundtrip
found 15 hours ago
Select Scandinavian Airlines flight, departing Sun, Dec 7 from Lisbon to Reykjavik, returning Sun, Dec 14, priced at $286 found 15 hours ago

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

January is typically the cheapest month to fly

From $173 - $591 per traveler.

Graph displaying average flight prices per month

Alternative airports near Reykjavik

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Keflavik Intl. KEF. Cheapest option available. Average driving time to city center is 45 minutes. Flights from $798
KEF
Keflavik Intl.
Cheapest
Average driving time to city center45 min
Flights from $798
Flights from Lisbon (LIS) to Reykjavik (KEF)
Origin airport
Humberto Delgado
Destination airport
Keflavik Intl.
Airlines serving
Air France, Austrian Airlines, British Airways, Finnair, Fly Play, Iberia, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, World Ticket Ltd
Roundtrip price
$181
Distance
1828 mi
Average flight time
3 hours 30 mins

Lisbon to Reykjavik Flights

The cheapest times to fly from Lisbon to Reykjavik

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lisbon to Reykjavik are during the month of November. You can find some of the cheapest flights from Lisbon to Reykjavik with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lisbon to Reykjavik

Sunday is one of the best days to book for cheap flights from Lisbon to Reykjavik: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lisbon to Reykjavik

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lisbon to Reykjavik in 2025. You can also book with separate airlines for your outbound and return journeys, from $118 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lisbon to Reykjavik flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lisbon to Reykjavik airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF) cost?
Discover the latest flight deals from LIS to KEF by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from LIS to KEF?
Lock in a low fare by booking your nonstop flight from LIS to KEF in January. You can find a one-way Fly Play flight for $144 leaving on January 19 2026. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 18 2025 and remains unchanged.
Which airlines fly direct from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF)?
Board a direct flight with Fly Play and go straight from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF).
What is the cheapest airline that flies from LIS to KEF?
Take off from LIS to KEF with Fly Play. This carrier currently has the cheapest one-way fare on this route, starting at $202. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LIS on September 15 2025. Prices were last updated on July 18 2025 and have not changed since.
How many flights per day from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF)?
On average, you can pick from 4 direct flights per week from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF). For more flexibility, consider flights with layovers. Enter your details on Expedia and then filter your search results to show one or two stops.
What are the most popular departure times for flights from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF)?
The 9 PM departures from LIS to KEF see the highest demand. These flights can come with a higher price due to their popularity. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from LIS to KEF?
Friday offers the most flights from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF). Consider leaving on this day and you'll have the best chance of finding a schedule that works for you.
What is the earliest flight from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF)?
Humberto Delgado Airport (LIS)'s earliest flight to Keflavik Intl. Airport (KEF) is at approximately 9:15PM UTC+0. With a total journey time of 4h 35m, you'll touch down at around 1:50AM UTC+0.
How long does it take to fly from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF)?
Flights from LIS to KEF have an average travel time of 4 hours and 32 minutes. The distance between the two airports is 1,850 mi.
What airline has the least delays from LIS to KEF?
With 90% of journeys generally arriving on time, Icelandair has the best on-time performance for nonstop flights from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF). To monitor your flight status and get notified about any changes, use the Expedia App.
What is the best time to fly from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF)?
Opt for a flight from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Reykjavik from Humberto Delgado Airport (LIS)?
Keflavik Intl. Airport (KEF) is the only airport in Reykjavik with direct flights from Humberto Delgado Airport (LIS). Check out the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF) last-minute?
Last-minute fares from LIS to KEF are usually more expensive. To lock in the lowest prices, start looking for flights ahead of time. That being said, if your travel plans are flexible, you may score a cheap fare right before your journey.
Is it cheaper to book a LIS to KEF flight and hotel package?
You can save money by booking a LIS to KEF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your ideal flights and accommodations, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Humberto Delgado Airport (LIS) to Keflavik Intl. Airport (KEF)?
If you reserved your LIS to KEF flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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*Available to One Key members.