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Cheap flights from Lisbon to Reykjavik Keflavik Intl Airport from £76

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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — KEF
12 Sep — 19 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Lisbon to Keflavik Intl

Enter your travel dates to find the best prices.

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 13 August 2026.

Tue 3/1117:10 -
1 stop17h 50m
Tue 17/1111:55 -
1 stop25h 50m
Deal found 12/8£142
Tue 24/1111:05 -
1 stop8h 30m
Sun 29/1121:45 -
1 stop15h 00m
Deal found 12/8£143
Tue 10/1117:10 -
1 stop17h 50m
Fri 13/1119:55 -
1 stop14h 35m
Deal found 11/8£152
Thu 26/1111:55 -
1 stop9h 20m
Sun 29/1121:45 -
1 stop15h 00m
Deal found 11/8£155
Mon 30/1120:20 -
1 stop14h 45m
Sun 6/1221:45 -
1 stop15h 00m
Deal found 11/8£160
Thu 26/1106:05 -
1 stop8h 15m
Thu 3/1215:10 -
1 stop8h 20m
Deal found 11/8£167
Wed 4/1106:15 -
1 stop11h 00m
Sat 7/1121:05 -
1 stop12h 35m
Deal found 11/8£167
Tue 24/1111:05 -
1 stop8h 30m
Mon 30/1117:30 -
1 stop19h 40m
Deal found 12/8£175
Sat 28/1116:45 -
1 stop26h 35m
Tue 1/1211:55 -
1 stop25h 50m
Deal found 12/8£175
Tue 20/1009:25 -
1 stop8h 30m
Tue 27/1011:55 -
1 stop25h 50m
Deal found 10/8£184
Sat 31/1006:25 -
1 stop11h 00m
Sat 7/1118:35 -
1 stop24h 40m
Deal found 11/8£187
Wed 21/1014:05 -
1 stop19h 15m
Mon 26/1012:05 -
1 stop7h 05m
Deal found 10/8£190

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 13 August 2026.

Round-trip from

£142

One-way from

£76

Popular in

July

Cheapest in

January

Average price

£406
easyJet
  • easyJet
  • 3/11-17/11
  • 2 total stops
  • 43h 40m total
  • Lisbon to Reykjavik
Search Deals
easyJet
  • easyJet
  • 17/11
  • 1 total stop
  • 8h 30m total
  • Lisbon to Reykjavik
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 13 August 2026.
Use the filters below to find and compare flights from Lisbon to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LisbonReykjavik

LIS Lisbon Humberto Delgado - KEF Reykjavik Keflavik Intl

LISKEF

Lisbon Humberto Delgado

Tue 24/11

11:05-19:35

1 stop8h 30m

Reykjavik Keflavik Intl

Mon 30/11

17:30-13:10

1 stop19h 40m

£175

LisbonReykjavik

LIS Lisbon Humberto Delgado - KEF Reykjavik Keflavik Intl

LISKEF

Lisbon Humberto Delgado

Wed 23/12

06:15-17:15

1 stop11h 00m

Reykjavik Keflavik Intl

Mon 28/12

12:05-10:20

1 stop22h 15m

£271

LisbonReykjavik

LIS Lisbon Humberto Delgado - KEF Reykjavik Keflavik Intl

LISKEF

Lisbon Humberto Delgado

Wed 4/11

05:00-13:45

1 stop8h 45m

Reykjavik Keflavik Intl

Wed 18/11

14:45-10:30

1 stop19h 45m

£279

LisbonReykjavik

LIS Lisbon Humberto Delgado - KEF Reykjavik Keflavik Intl

LISKEF

Lisbon Humberto Delgado

Mon 25/1

15:35-13:45

1 stop22h 10m

Reykjavik Keflavik Intl

Mon 1/2

14:45-23:10

1 stop8h 25m

£284

LisbonReykjavik

LIS Lisbon Humberto Delgado - KEF Reykjavik Keflavik Intl

LISKEF

Lisbon Humberto Delgado

Sun 8/11

05:00-10:50

2 stops29h 50m

Reykjavik Keflavik Intl

Mon 16/11

14:45-10:30

1 stop19h 45m

£288

LisbonReykjavik

LIS Lisbon Humberto Delgado - KEF Reykjavik Keflavik Intl

LISKEF

Lisbon Humberto Delgado

Mon 25/1

07:05-10:50

1 stop27h 45m

Reykjavik Keflavik Intl

Mon 1/2

11:55-12:05

1 stop24h 10m

£296

LisbonReykjavik

LIS Lisbon Humberto Delgado - KEF Reykjavik Keflavik Intl

LISKEF

Lisbon Humberto Delgado

Thu 1/10

13:50-09:55

1 stop21h 05m

Reykjavik Keflavik Intl

Mon 5/10

18:40-08:40

1 stop13h 00m

£304

LisbonReykjavik

LIS Lisbon Humberto Delgado - KEF Reykjavik Keflavik Intl

LISKEF

Lisbon Humberto Delgado

Wed 4/11

18:35-10:40

1 stop16h 05m

Reykjavik Keflavik Intl

Wed 18/11

11:45-12:05

1 stop24h 20m

£318
Fastest return journey

LisbonReykjavik

LIS Lisbon Humberto Delgado - KEF Reykjavik Keflavik Intl

LISKEF

Lisbon Humberto Delgado

Tue 20/10

15:00-18:25

Nonstop4h 25m

Reykjavik Keflavik Intl

Tue 27/10

08:30-12:50

Nonstop4h 20m

£363
Cheapest one-way
Fastest single journey

LisbonReykjavik

LIS Lisbon Humberto Delgado - KEF Reykjavik Keflavik Intl

LISKEF

Lisbon Humberto Delgado

Tue 17/11

11:05-19:35

1 stop8h 30m

£76

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 21 resultsSorted by cheapest first
1
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3

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 return 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?

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Lisbon to Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Lisbon to Reykjavik Keflavik Intl Airport (average of £192). Flying from Lisbon to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £530). 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.

How much does it cost for a return flight from Lisbon to Reykjavik Keflavik Intl Airport?

Airfare is below average for this route at the moment.

Lisbon to Reykjavik Keflavik Intl Airport flights typically cost between £366 and £426 in November.
The cheapest return price found within the last 5 days was £142 on easyJet (3 Nov–17 Nov).

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?

    Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly out of when you book flights from Lisbon to Reykjavik Keflavik Intl. 0 airlines have flights from Humberto Delgado to Reykjavik Keflavik Intl on a regular basis. Booking flights from Lisbon Humberto Delgado to Reykjavik Keflavik Intl should not be difficult; the airport handles an average of 0 outbound flights to Reykjavik Keflavik Intl per day.

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

    For as low as £175, easyJet can have you in Reykjavik Keflavik Intl Airport from Lisbon in 8h 30m. Lisbon and Reykjavik Keflavik Intl Airport are separated by a distance of 1826 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Lisbon to Reykjavik Keflavik Intl Airport (average of £192). Flying from Lisbon to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £530). 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

Travelling to a place near Reykjavik Keflavik Intl Airport?

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

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Can Cheapflights find flights from Lisbon to Keflavik Intl with no change fees?

Yes, we can. To see specific flights from Lisbon to Keflavik Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Lisbon to Keflavik Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Keflavik Intl from Lisbon today and book when prices fit your budget.

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