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Cheap flights from Lisbon to Reykjavik Keflavik Intl Airport from £78

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — KEF
5 Apr — 12 Apr1
1 adult

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

Cheap 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 31 March 2025.

Round-trip from

£190

One-way from

£78

Popular in

June

Cheapest in

January

Average price

£174

Good round-trip deal

£221 or less

Good one-way deal

£247 or less
PLAY
  • PLAY
  • 29/8-5/9
  • Nonstop
  • 9h 00m total
  • Lisbon to Reykjavik
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easyJet
  • easyJet
  • 10/5
  • 1 total stop
  • 17h 35m total
  • Lisbon to Reykjavik
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Highest demand for flights based on searches. 18% potential increase in price (£41 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Lisbon Humberto Delgado to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from Lisbon Humberto Delgado to Reykjavik Keflavik Intl.
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Find 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 31 March 2025.

Fri 29/821:20LIS - KEF
Nonstop4h 30mPLAY
Fri 5/914:50KEF - LIS
Nonstop4h 30mPLAY
Deal found 31/3£190
Wed 17/1206:15LIS - KEF
1 stop10h 35mMultiple Airlines
Mon 22/1215:50KEF - LIS
1 stop7h 40mMultiple Airlines
Deal found 30/3£242
Wed 23/405:05LIS - KEF
2 stops28h 15mLufthansa
Tue 13/514:20KEF - LIS
1 stop8h 10mLufthansa
Deal found 31/3£253
Wed 23/405:55LIS - KEF
1 stop27h 25mSWISS
Thu 15/509:05KEF - LIS
1 stop13h 15mSWISS
Deal found 31/3£254
Thu 24/418:55LIS - KEF
1 stop14h 15measyJet
Thu 15/510:45KEF - LIS
1 stop11h 50measyJet
Deal found 31/3£288
Wed 15/1007:15LIS - KEF
1 stop27h 15mScandinavian Airlines
Sun 19/1007:35KEF - LIS
1 stop13h 30mScandinavian Airlines
Deal found 31/3£295
Sun 13/722:20LIS - KEF
Nonstop4h 30mIcelandair
Sun 20/716:00KEF - LIS
Nonstop4h 20mIcelandair
Deal found 31/3£314
Thu 1/505:05LIS - KEF
2 stops43h 15mAustrian Airlines
Sun 4/500:10KEF - LIS
2 stops44h 40mAustrian Airlines
Deal found 31/3£358
Sun 7/922:25LIS - KEF
Nonstop4h 25mTAP AIR PORTUGAL
Tue 9/907:40KEF - LIS
1 stop12h 50mTAP AIR PORTUGAL
Deal found 29/3£392
Wed 23/405:00LIS - KEF
1 stop15h 00mKLM
Fri 16/508:35KEF - LIS
1 stop13h 15mKLM
Deal found 31/3£434

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 31 March 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

Fri 29/8

21:20-00:50

Nonstop4h 30m

Reykjavik Keflavik Intl

Fri 5/9

14:50-20:20

Nonstop4h 30m

£190

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Fri 23/5

18:50-01:25

1 stop7h 35m

Reykjavik Keflavik Intl

Fri 30/5

15:30-10:20

1 stop17h 50m

£246

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Wed 23/4

05:05-08:20

2 stops28h 15m

Reykjavik Keflavik Intl

Tue 13/5

14:20-23:30

1 stop8h 10m

£253

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Wed 23/4

05:55-08:20

1 stop27h 25m

Reykjavik Keflavik Intl

Thu 15/5

09:05-23:20

1 stop13h 15m

£254

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Thu 24/4

18:55-08:10

1 stop14h 15m

Reykjavik Keflavik Intl

Thu 15/5

10:45-23:35

1 stop11h 50m

£288

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Sun 13/7

22:20-01:50

Nonstop4h 30m

Reykjavik Keflavik Intl

Sun 20/7

16:00-21:20

Nonstop4h 20m

£314

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Fri 5/9

06:55-23:50

1 stop17h 55m

Reykjavik Keflavik Intl

Sun 7/9

17:10-09:00

1 stop14h 50m

£336

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Thu 1/5

05:05-23:20

2 stops43h 15m

Reykjavik Keflavik Intl

Sun 4/5

00:10-21:50

2 stops44h 40m

£358

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Sun 7/9

22:25-01:50

Nonstop4h 25m

Reykjavik Keflavik Intl

Tue 9/9

07:40-21:30

1 stop12h 50m

£392

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Wed 23/4

05:00-19:00

1 stop15h 00m

Reykjavik Keflavik Intl

Fri 16/5

08:35-22:50

1 stop13h 15m

£434

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 15 results
1
2

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?

Use this chart to determine the optimal time to book a return flight from Lisbon to Keflavik Intl. Price data was last updated on 28 March 2025.

Booking 28 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 £75). Flying from Lisbon to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £289). 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 31 March 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lisbon to Reykjavik Keflavik Intl Airport as you normally would.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 40.0 mm.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 11.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated 31 March 2025.
Read reviews from past customers who have flown KLM, Austrian Airlines and SWISS from Lisbon to Reykjavik. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,321 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
770 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,570 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Scandinavian Airlines
7.3
Good
1,326 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
TAP AIR PORTUGAL
7.1
Good
1,831 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

  • What are the cheapest airlines flying from Lisbon to Reykjavik Keflavik Intl Airport round-trip?

    Our cheapest airline available from Lisbon to Reykjavik Keflavik Intl Airport is PLAY. Our recent data shows that you can find tickets from as low as £190 on this airline. Additional options worth looking into are Lufthansa and SWISS, starting at £253 and £254 round-trip. Users have found that PLAY is 16% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Lisbon to Reykjavik Keflavik Intl Airport one-way?

    For one-way options, check prices for easyJet. According to our data, you can fly for as low as £78. Users have also found prices from £145 and £201 on PLAY and Scandinavian Airlines, respectively.

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

    On average you can expect to pay £234 for a flight from Lisbon to Reykjavik Keflavik Intl Airport. The cheapest flight overall is £221 while the most popular route, (Lisbon Humberto Delgado - Reykjavik Keflavik Intl) is currently priced at £338.

  • 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 £75). Flying from Lisbon to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £289). 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

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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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