LIS - KEF

£81 Find Cheap Flights from Lisbon to Reykjavik – Compare and Save

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Everything you should know

Cheapest return flight
£122
Typical prices: £262-£459
easyJet
Fri 7/12Fri 14/12
LIS - KEF • 1 stop
Cheapest direct flights
£290
Typical prices: £267-£411
TAP AIR PORTUGAL
Sun 22/4Fri 27/4
LIS - KEF • Direct
Direct flights
You can fly direct with Icelandair. Average duration is 4h 30m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 85% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 14 weeks in advance save around 41% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 29% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £195 (return)
Shortest trip • 6h 33m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Reykjavik Keflavik Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Lisbon to Keflavik Intl (LIS-KEF)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Lisbon to Keflavik Intl

Mon, 7 Dec - Mon, 14 Dec
easyJet Logo
20:20 - 11:05LIS  Lisbon Humberto Delgado-KEF Reykjavik Keflavik Intl
14h 45m1 stop Bristol
easyJet Logo
20:10 - 12:55KEF  Reykjavik Keflavik Intl-LIS Lisbon Humberto Delgado
16h 45m1 stop Manchester
£122easyJet
Fri, 11 Dec - Mon, 14 Dec
easyJet Logo
16:35 - 11:10LIS  Lisbon Humberto Delgado-KEF Reykjavik Keflavik Intl
18h 35m1 stop Milan Malpensa
easyJet Logo
20:10 - 12:55KEF  Reykjavik Keflavik Intl-LIS Lisbon Humberto Delgado
16h 45m1 stop Manchester
£138easyJet
Mon, 1 Feb - Fri, 5 Feb
easyJet Logo
15:10 - 11:55LIS  Lisbon Humberto Delgado-KEF Reykjavik Keflavik Intl
20h 45m1 stop Milan Malpensa
easyJet Logo
18:50 - 12:40KEF  Reykjavik Keflavik Intl-LIS Lisbon Humberto Delgado
17h 50m1 stop London Gatwick
£142easyJet
Thu, 14 Jan - Sat, 23 Jan
easyJet Logo
15:10 - 17:50LIS  Lisbon Humberto Delgado-KEF Reykjavik Keflavik Intl
26h 40m1 stop London Gatwick
easyJet Logo
10:55 - 10:15KEF  Reykjavik Keflavik Intl-LIS Lisbon Humberto Delgado
23h 20m1 stop London Luton
£143easyJet
Thu, 28 Jan - Sun, 31 Jan
easyJet Logo
19:15 - 10:50LIS  Lisbon Humberto Delgado-KEF Reykjavik Keflavik Intl
15h 35m1 stop Milan Malpensa
easyJet Logo
10:05 - 19:15KEF  Reykjavik Keflavik Intl-LIS Lisbon Humberto Delgado
9h 10m1 stop London Luton
£148easyJet
Sat, 9 Jan - Sat, 16 Jan
easyJet Logo
11:15 - 09:15LIS  Lisbon Humberto Delgado-KEF Reykjavik Keflavik Intl
22h 00m1 stop London Luton
easyJet Logo
21:05 - 09:40KEF  Reykjavik Keflavik Intl-LIS Lisbon Humberto Delgado
12h 35m1 stop Manchester
£154easyJet
Thu, 3 Dec - Wed, 9 Dec
easyJet Logo
11:55 - 21:15LIS  Lisbon Humberto Delgado-KEF Reykjavik Keflavik Intl
9h 20m1 stop Manchester
easyJet Logo
12:00 - 10:15KEF  Reykjavik Keflavik Intl-LIS Lisbon Humberto Delgado
22h 15m1 stop London Luton
£157easyJet
Thu, 3 Dec - Sat, 12 Dec
easyJet Logo
11:55 - 21:15LIS  Lisbon Humberto Delgado-KEF Reykjavik Keflavik Intl
9h 20m1 stop Manchester
easyJet Logo
18:35 - 13:30KEF  Reykjavik Keflavik Intl-LIS Lisbon Humberto Delgado
18h 55m1 stop London Gatwick
£163easyJet
Mon, 1 Mar - Sat, 6 Mar
easyJet Logo
18:25 - 10:10LIS  Lisbon Humberto Delgado-KEF Reykjavik Keflavik Intl
15h 45m1 stop Birmingham
easyJet Logo
21:05 - 09:40KEF  Reykjavik Keflavik Intl-LIS Lisbon Humberto Delgado
12h 35m1 stop Manchester
£165easyJet
Thu, 3 Dec - Thu, 10 Dec
easyJet Logo
11:55 - 21:15LIS  Lisbon Humberto Delgado-KEF Reykjavik Keflavik Intl
9h 20m1 stop Manchester
easyJet Logo
20:10 - 10:45KEF  Reykjavik Keflavik Intl-LIS Lisbon Humberto Delgado
14h 35m1 stop London Luton
£169easyJet
Booking Insights

Price, demand, and travel trends for Lisbon to Reykjavik Keflavik Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Lisbon to Reykjavik Keflavik Intl Airport?

Return flights from Lisbon to Reykjavik Keflavik Intl Airport typically range from £262 to £459. The lowest price found in the past 5 days was £122 on easyJet.

What's the cheapest day of the week to fly from Lisbon to Reykjavik Keflavik Intl Airport?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Lisbon to Reykjavik Keflavik Intl Airport. It's 9% cheaper than the average day, while Tuesday is the most expensive, with prices 15% higher.

What is the cheapest month to fly from Lisbon to Reykjavik Keflavik Intl Airport?

•January is the cheapest month to fly from Lisbon to Reykjavik Keflavik Intl Airport at £263 return.
•July (£534) and August (£443) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 102% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Lisbon to Reykjavik Keflavik Intl Airport the cheapest?

Flights from Lisbon to Reykjavik Keflavik Intl Airport are cheapest 14 weeks before departure. Booking in this window typically costs about 41% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Lisbon to Keflavik Intl

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Icelandair and PLAY

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Key details for Lisbon to Reykjavik Keflavik Intl Airport flights

Low season

June

Cheapest flight

£81
Beat the crowds with an average 36% drop in traveller numbers.
The most popular month to fly with an average 36% increase in traveller numbers.
One-way flight from Lisbon to Reykjavik Keflavik Intl Airport

When to book flights from Lisbon to Keflavik Intl

Are your dates flexible? Find out the best times to travel from Lisbon to Keflavik Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Lisbon to Reykjavik Keflavik Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Lisbon to Reykjavik Keflavik Intl Airport?

    These are the earliest and latest flight times available from Lisbon to Reykjavik Keflavik Intl Airport:

    • Earliest: departs at 11:35 and lands at 16:05
    • Latest: departs at 21:15 and lands at 01:45.

    The flight takes about 4h 30m.

  • Which cabin classes can I book on flights from Lisbon to Reykjavik Keflavik Intl Airport?

    Only Economy class is available on flights from Lisbon to Reykjavik Keflavik Intl Airport.

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

    A direct flight from Lisbon to Reykjavik Keflavik Intl Airport takes 4h 30m, covering 1,826 miles.

  • Do I need a passport to fly from Lisbon to Reykjavik Keflavik Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Lisbon to Reykjavik Keflavik Intl Airport flight?

    Return flights from Lisbon to Reykjavik Keflavik Intl Airport range from £262 to £459, with an average of £371 over the past 12 months. Anything below £262 counts as a good deal.

  • How expensive are last-minute Lisbon to Reykjavik Keflavik Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 25% above the £371 route average. Book 14 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Lisbon to Reykjavik Keflavik Intl Airport?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £195 return via London Luton (LTN), compared with £345 for direct.

  • How does on-time performance compare across airlines flying from Lisbon to Reykjavik Keflavik Intl Airport?

    Icelandair is the only airline operating Lisbon to Reykjavik Keflavik Intl Airport flights. 85% of its flights are on time.

  • What is the standard checked bag allowance on flights from Lisbon to Reykjavik Keflavik Intl Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £53–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Lisbon to Reykjavik Keflavik Intl Airport?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Icelandair. Other aircraft seen on the route include Boeing 767-400 variants.

  • Have flight prices from Lisbon to Reykjavik Keflavik Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £122 to £1,120. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Lisbon to Reykjavik Keflavik Intl Airport looking right now?

    One-way fares from Lisbon to Reykjavik Keflavik Intl Airport are currently higher than usual. Average one-way flight prices are about £557, which is 108% above the typical average for this route.

  • Which car hire options are available at Reykjavik Keflavik Intl Airport (KEF)?

    Reykjavik Keflavik Intl Airport (KEF) hosts 5 major car hire companies, with daily rates starting from around £47 for economy cars. Top options include:

    • Ice Rental 4x4
    • Fair Car
    • Budget
    • Alamo
    • Europcar

  • Which airports can I use when flying from Lisbon to Reykjavik Keflavik Intl Airport?

    Flights from Lisbon to Reykjavik Keflavik Intl Airport usually depart from Lisbon Humberto Delgado (LIS) and arrive at Reykjavik Keflavik Intl (KEF).

  • What time of day has the fewest delays on flights from Lisbon to Reykjavik Keflavik Intl Airport?

    Night flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed on the route from Lisbon to Reykjavik Keflavik Intl Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Lisbon to Reykjavik Keflavik Intl Airport route, 15% of flights were delayed in the past three months, with delays averaging 1h 27m.

  • Which airports do connecting flights from Lisbon to Reykjavik Keflavik Intl Airport pass through?

    One-stop flights from Lisbon to Reykjavik Keflavik Intl Airport most commonly connect through:

    • Amsterdam Schiphol (AMS) – 34% of one-stop connections
    • Frankfurt am Main (FRA) – 13% of one-stop connections
    • Milan Malpensa (MXP) – 9% of one-stop connections
    • Munich Franz Josef Strauss (MUC) – 9% of one-stop connections

  • Can I save money by using flexible dates for flights from Lisbon to Reykjavik Keflavik Intl Airport?

    Yes. Flexible dates can save you up to 21% on flights from Lisbon to Reykjavik Keflavik Intl Airport. Thursday is the cheapest departure day at £340 return on average, while Tuesday is the most expensive at £428, a difference of £88.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Lisbon to Reykjavik Keflavik Intl Airport?

    Only Icelandair operates flights between Lisbon and Reykjavik Keflavik Intl Airport.

  • How much time can I save by choosing a different stopover airport from Lisbon to Reykjavik Keflavik Intl Airport?

    Flying via Dublin (DUB) gives the shortest average 1-stop total travel time of 6h 33m, compared to 8h 37m via Amsterdam Schiphol (AMS) and 8h 37m via London Heathrow (LHR).

  • What popular places can I visit in Reykjavik Keflavik Intl Airport?

    Some of the most popular sights in Reykjavik Keflavik Intl Airport are Reykjavik Free Church and Harpa. These are among the most viewed places in Reykjavik Keflavik Intl Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Lisbon to Reykjavik Keflavik Intl Airport flights?

    Among airlines operating Lisbon to Reykjavik Keflavik Intl Airport flights:

    • Icelandair: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Lisbon to Reykjavik Keflavik Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Icelandair: a cabin bag and a checked bag in Economy class
    • TAP AIR PORTUGAL: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Lisbon to Reykjavik Keflavik Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Tuesday. On this route, Thursday flights average £340, about £88 less than Tuesday fares (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 41% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Lisbon to Reykjavik Keflavik Intl Airport trip for January. Fares historically average £263 return in that month – typically £271 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through London Luton Airport (LTN) can be cheaper than flying direct. The cheapest stopover option averages £195 return on this route – about £149 less than direct flights (based on the last 12 months).

Prefer to fly direct from Lisbon to Reykjavik?

 
Find which airlines fly direct from Lisbon Humberto Delgado Airport to Reykjavik Keflavik Intl Airport, which days they fly and book direct flights.

Direct departures

Lisbon Humberto Delgado to Reykjavik Keflavik Intl

Tuesday

Icelandair

Icelandair

Thursday

Icelandair

Icelandair

Sunday

Icelandair

Icelandair

See more direct flights

Direct returns

Reykjavik Keflavik Intl to Lisbon Humberto Delgado

Tuesday

Icelandair

Icelandair

Thursday

Icelandair

Icelandair

Sunday

Icelandair

Icelandair

See more direct flights

More options for your flight from Lisbon to Keflavik Intl

Complete your trip to Reykjavik with a hotel stay or car hire