Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Lisbon to Reykjavik Keflavik Intl Airport from £148

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — KEF
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

£187

One-way from

£148

Popular in

June

Cheapest in

January

Average price

£311
easyJet
  • easyJet
  • 27/10-11/11
  • 2 total stops
  • 20h 50m total
  • Lisbon to Reykjavik
Search Deals
PLAY
  • PLAY
  • 17/10
  • Nonstop
  • 4h 30m total
  • Lisbon to Reykjavik
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 11 July 2025.

Mon 27/1006:20LIS - KEF
1 stop10h 20measyJet
Tue 11/1112:20KEF - LIS
1 stop10h 30measyJet
Deal found 10/7£187
Fri 5/921:20LIS - KEF
Nonstop4h 30mPLAY
Mon 15/914:50KEF - LIS
Nonstop4h 30mPLAY
Deal found 10/7£194
Fri 24/1011:00LIS - KEF
1 stop15h 25mMultiple Airlines
Tue 11/1112:20KEF - LIS
1 stop10h 30mMultiple Airlines
Deal found 10/7£227
Sun 12/1005:05LIS - KEF
1 stop19h 30mLufthansa
Tue 21/1016:10KEF - LIS
2 stops28h 55mLufthansa
Deal found 10/7£282
Mon 15/905:55LIS - KEF
1 stop27h 40mSWISS
Tue 30/916:10KEF - LIS
2 stops44h 35mSWISS
Deal found 9/7£294
Tue 11/1112:50LIS - KEF
1 stop21h 55mScandinavian Airlines
Sun 16/1111:15KEF - LIS
2 stops28h 50mScandinavian Airlines
Deal found 11/7£325
Thu 18/922:20LIS - KEF
Nonstop4h 30mIcelandair
Sun 28/916:00KEF - LIS
Nonstop4h 20mIcelandair
Deal found 9/7£341

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 11 July 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

Mon 27/10

06:20-16:40

1 stop10h 20m

Reykjavik Keflavik Intl

Tue 11/11

12:20-22:50

1 stop10h 30m

£187

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Fri 5/9

21:20-00:50

Nonstop4h 30m

Reykjavik Keflavik Intl

Mon 15/9

14:50-20:20

Nonstop4h 30m

£194

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Fri 24/10

11:00-01:25

1 stop15h 25m

Reykjavik Keflavik Intl

Tue 11/11

12:20-22:50

1 stop10h 30m

£227

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Sun 12/10

05:05-23:35

1 stop19h 30m

Reykjavik Keflavik Intl

Tue 21/10

16:10-22:05

2 stops28h 55m

£282

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Mon 15/9

05:55-08:35

1 stop27h 40m

Reykjavik Keflavik Intl

Tue 30/9

16:10-13:45

2 stops44h 35m

£294

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Tue 11/11

12:50-10:45

1 stop21h 55m

Reykjavik Keflavik Intl

Sun 16/11

11:15-16:05

2 stops28h 50m

£325

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Thu 18/9

22:20-01:50

Nonstop4h 30m

Reykjavik Keflavik Intl

Sun 28/9

16:00-21:20

Nonstop4h 20m

£341

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Fri 17/10

21:20-00:50

Nonstop4h 30m

£148

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Sat 26/7

06:25-00:30

1 stop19h 05m

£168

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Wed 23/7

15:35-09:55

1 stop19h 20m

£181

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 17 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 27 June 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 11 July 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.

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 11 July 2025.
Read reviews from past customers who have flown with Austrian Airlines, SWISS, andTransavia France from Lisbon to Reykjavik Keflavik Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
811 reviews
Check prices

Crew

8.1

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
811 reviews
Austrian Airlines
7.6
Good
811 reviews
Check prices

Crew

8.1

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
SWISS
7.5
Good
1,655 reviews
Austrian Airlines
7.6
Good
811 reviews
Check prices

Crew

8.1

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Transavia France
7.4
Good
353 reviews
Austrian Airlines
7.6
Good
811 reviews
Check prices

Crew

8.1

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Scandinavian Airlines
7.3
Good
1,421 reviews
Austrian Airlines
7.6
Good
811 reviews
Check prices

Crew

8.1

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
TAP AIR PORTUGAL
7.1
Good
1,917 reviews
Austrian Airlines
7.6
Good
811 reviews
Check prices

Crew

8.1

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

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 easyJet. Our recent data shows that you can find tickets from as low as £187 on this airline. Additional options worth looking into are PLAY and Lufthansa, starting at £194 and £282 round-trip. Users have found that easyJet is 15% 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 PLAY. According to our data, you can fly for as low as £148. Users have also found prices from £168 and £181 on Transavia France and easyJet, respectively.

  • 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

Travelling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Hveragerdi
Keflavik

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Lisbon to Keflavik Intl?

Cheapflights helps you search for flights from Lisbon to Keflavik Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Lisbon to Keflavik Intl?

Cheapflights helps you find that perfect flight to Keflavik Intl from Lisbon by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights