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Keflavik Intl

$113+ Cheap flights from Lisbon (LIS) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — KEF
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Reykjavik Keflavik Intl are usually found in January or May, booked 28 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Lisbon to Keflavik Intl

Cheapest flights from Lisbon to Keflavik Intl
Explore the most affordable flight options available from Lisbon to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 15, 2025.

This Mytrip deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/235:25 pmLIS - KEF
2 stops30h 50mMultiple Airlines
jue. 12/258:15 pmKEF - LIS
2 stops26h 15mMultiple Airlines
Deal found 12/14$542
This Scandinavian Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/229:20 pmLIS - KEF
2 stops13h 40mScandinavian Airlines
vie. 1/211:30 amKEF - LIS
2 stops52h 35mScandinavian Airlines
Deal found 12/15$863
This FlightHub deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/247:10 amLIS - KEF
1 stop8h 10mMultiple Airlines
lun. 12/298:00 amKEF - LIS
1 stop12h 15mMultiple Airlines
Deal found 12/15$898
This FlightHub deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/265:20 pmLIS - KEF
1 stop17h 20mScandinavian Airlines
dom. 12/285:25 pmKEF - LIS
1 stop27h 05mScandinavian Airlines
Deal found 12/14$976

Find flight deals from Lisbon to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$157
(Connections by easyJet)

One-way from

$113
(Connections by easyJet)

Popular in

July

Cheapest in

January

Average price

$383
Provider with most accurate pricing for Lisbon Humberto Delgado-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Reykjavik Keflavik Intl flights.
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From Lisbon Humberto Delgado to Reykjavik Keflavik Intl
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One-way flight from Lisbon Humberto Delgado to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 27% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Lisbon to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 15, 2025.
Use the filters below to find and compare flights from Lisbon to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Lisbon

Fly to

Keflavik Intl

Route

Depart

Return

Price

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

sáb. 3/7

7:35 pm-9:15 am

1 stop13h 40m

Reykjavik Keflavik Intl

sáb. 3/14

11:05 am-9:45 am

1 stop22h 40m

$157

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

jue. 6/11

1:45 pm-9:55 am

1 stop21h 10m

Reykjavik Keflavik Intl

mar. 6/16

9:25 am-10:10 pm

1 stop11h 45m

$287

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

lun. 3/2

10:35 am-10:55 am

1 stop24h 20m

Reykjavik Keflavik Intl

dom. 3/8

11:50 am-10:30 pm

1 stop10h 40m

$402

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

lun. 1/12

5:00 am-7:05 pm

1 stop14h 05m

Reykjavik Keflavik Intl

lun. 1/19

8:05 pm-10:35 am

1 stop14h 30m

$415

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

mié. 5/6

4:25 pm-12:35 am

1 stop9h 10m

Reykjavik Keflavik Intl

mar. 5/12

11:05 am-3:35 pm

2 stops27h 30m

$420

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

jue. 1/15

6:35 pm-5:15 pm

1 stop22h 40m

Reykjavik Keflavik Intl

jue. 1/22

11:45 am-9:50 pm

1 stop10h 05m

$428

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

sáb. 2/7

5:00 am-7:05 pm

1 stop14h 05m

Reykjavik Keflavik Intl

dom. 2/15

8:05 pm-2:35 pm

1 stop18h 30m

$442

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

lun. 3/2

5:20 pm-10:45 am

1 stop17h 25m

Reykjavik Keflavik Intl

dom. 3/8

7:35 am-5:10 pm

1 stop9h 35m

$442

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

sáb. 5/16

9:35 pm-8:30 am

1 stop11h 55m

$113

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

jue. 6/11

5:00 pm-9:55 am

1 stop17h 55m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 16 results
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Compare providers for flights from Lisbon to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to Keflavik Intl in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lisbon-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lisbon-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lisbon-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Lisbon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Lisbon to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Lisbon to Keflavik Intl. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Lisbon to Reykjavik Keflavik Intl Airport, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Lisbon to Reykjavik Keflavik Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Lisbon to Reykjavik Keflavik Intl Airport (average of $133). Flying from Lisbon to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $355). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LIS to KEF?

Find hourly flight availability from Lisbon to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 15, 2025.

When flying from Lisbon to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Lisbon to Reykjavik Keflavik Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Lisbon to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Lisbon to Reykjavik Keflavik Intl?

    Located just 4.2 mi from the city center, Lisbon Humberto Delgado is the airport most travelers will use when flying to Reykjavik Keflavik Intl from Lisbon. Booking flights from Humberto Delgado (LIS) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 0 different airlines.

  • How long is the flight from Lisbon to Reykjavik Keflavik Intl Airport?

    easyJet, British Airways, and KLM can get you from Lisbon to Reykjavik Keflavik Intl Airport in just under 13h 40m. Your travel time can differ by up to 10h 40m. Lisbon and Reykjavik Keflavik Intl Airport are separated by a distance of 1826 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Lisbon to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Lisbon to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lisbon to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Keflavik Intl.

  • Can I find deals for business class flights from Lisbon to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Lisbon to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Lisbon to Reykjavik Keflavik Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Lisbon to Reykjavik Keflavik Intl Airport (average of $133). Flying from Lisbon to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $355). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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