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Keflavik Intl

$83+ Cheap flights from Lisbon (LIS) to Keflavik Intl (KEF)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — KEF
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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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 Tuesday or Monday 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 July 29, 2025.

Round-trip from

$204
(Connections by easyJet)

One-way from

$83
(Connections by easyJet)

Popular in

July

Cheapest in

January

Average price

$481

Good round-trip deal

$318 or less

Good one-way deal

$308 or less
From Lisbon Humberto Delgado to Reykjavik Keflavik Intl
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One-way flight from Lisbon Humberto Delgado to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 29% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Connections by easyJet deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:45 pmLIS - KEF
1 stop16h 55measyJet
Sun 11/3010:05 amKEF - LIS
1 stop9h 15measyJet
Deal found 7/29$204
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:20 pmLIS - KEF
Nonstop4h 30mPLAY
Fri 9/262:50 pmKEF - LIS
Nonstop4h 30mPLAY
Deal found 7/29$231
This Scandinavian Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/264:55 pmLIS - KEF
1 stop17h 50mScandinavian Airlines
Fri 12/511:30 amKEF - LIS
1 stop21h 30mScandinavian Airlines
Deal found 7/29$297
This PLAY deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:05 amLIS - KEF
1 stop16h 25mMultiple Airlines
Sun 11/163:30 pmKEF - LIS
1 stop17h 00mMultiple Airlines
Deal found 7/27$302
This WorldTicket deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WorldTicket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:20 pmLIS - KEF
Nonstop4h 30mWorldTicket
Fri 9/262:50 pmKEF - LIS
Nonstop4h 30mWorldTicket
Deal found 7/29$306
This Lufthansa deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:55 pmLIS - KEF
2 stops20h 50mLufthansa
Sun 11/304:45 pmKEF - LIS
2 stops20h 35mLufthansa
Deal found 7/29$361
This SWISS deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:55 amLIS - KEF
1 stop27h 25mSWISS
Thu 8/289:10 amKEF - LIS
1 stop13h 10mSWISS
Deal found 7/27$514

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 29, 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

Wed 11/26

6:45 pm-11:40 am

1 stop16h 55m

Reykjavik Keflavik Intl

Sun 11/30

10:05 am-7:20 pm

1 stop9h 15m

$204

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Fri 9/19

9:20 pm-12:50 am

Nonstop4h 30m

Reykjavik Keflavik Intl

Fri 9/26

2:50 pm-8:20 pm

Nonstop4h 30m

$231

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Wed 11/26

4:55 pm-10:45 am

1 stop17h 50m

Reykjavik Keflavik Intl

Fri 12/5

11:30 am-9:00 am

1 stop21h 30m

$297

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Thu 11/13

9:05 am-1:30 am

1 stop16h 25m

Reykjavik Keflavik Intl

Sun 11/16

3:30 pm-8:30 am

1 stop17h 00m

$302

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Fri 9/19

9:20 pm-12:50 am

Nonstop4h 30m

Reykjavik Keflavik Intl

Fri 9/26

2:50 pm-8:20 pm

Nonstop4h 30m

$306

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Thu 11/27

6:55 pm-3:45 pm

2 stops20h 50m

Reykjavik Keflavik Intl

Sun 11/30

4:45 pm-1:20 pm

2 stops20h 35m

$361

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Wed 8/20

5:55 am-8:20 am

1 stop27h 25m

Reykjavik Keflavik Intl

Thu 8/28

9:10 am-11:20 pm

1 stop13h 10m

$514

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Tue 10/21

6:15 am-11:35 pm

1 stop18h 20m

$83

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Wed 10/22

10:20 am-12:45 am

1 stop15h 25m

$125

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Mon 8/25

9:25 pm-12:55 am

Nonstop4h 30m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 17 results
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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 round-trip 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 round-trip flight from Lisbon to Keflavik Intl. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Lisbon to Reykjavik Keflavik Intl Airport, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Lisbon to Reykjavik Keflavik Intl Airport (average of $328). Flying from Lisbon to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $653). 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 July 29, 2025.

When flying from Lisbon to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Lisbon to Reykjavik Keflavik Intl Airport?

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 July 29, 2025.
See what other customers who have flown with Austrian Airlines, SWISS, and Scandinavian Airlines from Lisbon to Reykjavik Keflavik Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

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
821 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

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
1,683 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

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
1,449 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

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
1,929 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

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
Icelandair
7.0
Good
521 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

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?

    Located just 4.2 mi from the city center, Lisbon Humberto Delgado is the airport most travelers will use when flying to Reykjavik Keflavik Intl from Lisbon. Booking flights from Humberto Delgado (LIS) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 1 airline.

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

    Flying on easyJet is currently your cheapest option to Reykjavik Keflavik Intl Airport, with prices starting at $204. Additional round-trip tickets that might be worth considering are offered by PLAY and Scandinavian Airlines, with the lowest prices starting at $231 and $297, respectively. Users have found that easyJet is 33% 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?

    The cheapest airlines for a one-way flight from Lisbon to Reykjavik Keflavik Intl Airport are easyJet ($83), PLAY ($143), and Scandinavian Airlines ($275).

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

    While on average a flight from Lisbon to Reykjavik Keflavik Intl Airport is generally $357, our data shows the cheapest flight currently is $229. When looking at the most popular route, (Lisbon Humberto Delgado - Reykjavik Keflavik Intl), you can expect to pay $377 for that flight.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Lisbon to Reykjavik Keflavik Intl Airport (average of $328). Flying from Lisbon to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $653). 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

Traveling to a place near Reykjavik Keflavik Intl Airport?

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

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Top airline flying from Lisbon to Keflavik Intl

Discover the top airline that operate flights from Lisbon to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$168Average$261FlexibilityNo cancel feeOn-timeN/A

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