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Cheap flights from Lisbon to Reykjavik Keflavik Intl Airport from £97

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — KEF
8 Jun — 15 Jun1
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 9 May 2026.

Wed 4/1113:50
LIS
-
KEF
1 stop21h 25m
Transavia France
Sat 14/1112:05
KEF
-
LIS
1 stop21h 55m
Transavia France
Deal found 7/5£215
Wed 28/1018:45
LIS
-
KEF
1 stop16h 55m
easyJet
Mon 2/1117:30
KEF
-
LIS
1 stop24h 45m
easyJet
Deal found 4/5£250
Wed 7/1009:10
LIS
-
KEF
1 stop9h 35m
easyJet
Sun 11/1009:10
KEF
-
LIS
1 stop10h 50m
easyJet
Deal found 7/5£256
Thu 11/617:40
LIS
-
KEF
2 stops24h 25m
Multiple Airlines
Fri 12/619:25
KEF
-
LIS
2 stops20h 00m
Multiple Airlines
Deal found 5/5£280
Tue 20/1009:25
LIS
-
KEF
1 stop8h 30m
easyJet
Tue 27/1011:05
KEF
-
LIS
1 stop8h 20m
easyJet
Deal found 5/5£282
Tue 9/620:05
LIS
-
KEF
2 stops28h 05m
Multiple Airlines
Sun 14/619:00
KEF
-
LIS
2 stops26h 25m
Multiple Airlines
Deal found 5/5£284
Thu 24/1206:10
LIS
-
KEF
1 stop8h 05m
Lufthansa
Tue 29/1215:10
KEF
-
LIS
1 stop8h 20m
Lufthansa
Deal found 5/5£290
Tue 9/620:25
LIS
-
KEF
1 stop14h 30m
Multiple Airlines
Fri 12/619:25
KEF
-
LIS
2 stops20h 00m
Multiple Airlines
Deal found 5/5£293
Tue 9/617:00
LIS
-
KEF
1 stop17h 55m
easyJet
Sat 13/600:15
KEF
-
LIS
1 stop11h 45m
easyJet
Deal found 5/5£295

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 9 May 2026.

Round-trip from

£215

One-way from

£97

Popular in

July

Cheapest in

January

Average price

£424
Transavia France
  • Transavia France
  • 4/11-14/11
  • 2 total stops
  • 43h 20m total
  • Lisbon to Reykjavik
Search Deals
easyJet
  • easyJet
  • 10/6
  • 1 total stop
  • 20h 20m total
  • Lisbon to Reykjavik
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 9 May 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 - KEF

LISKEF

Lisbon Humberto Delgado

Tue 9/6

17:00-09:55

1 stop17h 55m

Reykjavik Keflavik Intl

Sat 13/6

00:15-13:00

1 stop11h 45m

£295

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Thu 8/10

06:40-16:45

1 stop11h 05m

Reykjavik Keflavik Intl

Sun 11/10

09:10-21:00

1 stop10h 50m

£307
Fastest return journey

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Thu 17/9

15:00-18:25

Nonstop4h 25m

Reykjavik Keflavik Intl

Sun 27/9

08:30-13:50

Nonstop4h 20m

£380

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Fri 12/6

11:55-08:45

2 stops21h 50m

Reykjavik Keflavik Intl

Wed 17/6

20:00-10:55

1 stop13h 55m

£409

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Sun 6/9

19:45-07:35

1 stop12h 50m

Reykjavik Keflavik Intl

Mon 21/9

11:15-08:50

2 stops20h 35m

£451

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Sun 6/9

19:45-07:35

1 stop12h 50m

Reykjavik Keflavik Intl

Mon 21/9

11:15-22:50

2 stops10h 35m

£453

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Wed 1/7

19:45-08:35

1 stop13h 50m

Reykjavik Keflavik Intl

Thu 16/7

09:35-22:50

1 stop12h 15m

£473

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Thu 25/6

12:35-00:10

2 stops12h 35m

Reykjavik Keflavik Intl

Wed 1/7

00:20-13:40

2 stops12h 20m

£535

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Tue 11/8

14:35-18:20

1 stop28h 45m

Reykjavik Keflavik Intl

Sat 15/8

01:10-09:00

1 stop30h 50m

£542

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Thu 3/9

22:20-01:50

Nonstop4h 30m

Reykjavik Keflavik Intl

Sun 13/9

16:00-21:20

Nonstop4h 20m

£543

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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 £179). Flying from Lisbon to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £477). 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?

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 £380, easyJet can have you in Reykjavik Keflavik Intl Airport from Lisbon in 4h 25m. 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 £179). Flying from Lisbon to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £477). 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
Hveragerdi
Keflavik

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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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