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Keflavik Intl

$169+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — KEF
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$245
(PLAY)

One-way from

$169
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$225

Good round-trip deal

$337 or less

Good one-way deal

$194 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Reykjavik Keflavik Intl flights.
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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. 19% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT 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 March 28, 2025.

This PLAY deal was found by Cheapflights users on 3/27. 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.
Fri 8/299:20 pmLIS - KEF
Nonstop4h 30mPLAY
Fri 9/52:50 pmKEF - LIS
Nonstop4h 30mPLAY
Deal found 3/27$245
This Connections by easyJet deal was found by Cheapflights users on 3/27. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:15 amLIS - KEF
1 stop18h 20measyJet
Wed 10/159:00 amKEF - LIS
1 stop11h 00measyJet
Deal found 3/27$254
This Lufthansa deal was found by Cheapflights users on 3/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/95:05 amLIS - KEF
1 stop19h 30mLufthansa
Thu 5/151:15 amKEF - LIS
1 stop19h 35mLufthansa
Deal found 3/27$316
This Vueling Global deal was found by Cheapflights users on 3/27. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:40 pmLIS - KEF
1 stop8h 40mMultiple Airlines
Mon 9/293:20 pmKEF - LIS
1 stop21h 00mMultiple Airlines
Deal found 3/27$331
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/287:15 amLIS - KEF
1 stop17h 35mScandinavian Airlines
Thu 8/145:10 pmKEF - LIS
1 stop16h 25mScandinavian Airlines
Deal found 3/27$351
This SWISS deal was found by Cheapflights users on 3/27. 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 9/102:30 pmLIS - KEF
2 stops18h 50mSWISS
Tue 9/304:10 pmKEF - LIS
1 stop15h 10mSWISS
Deal found 3/27$363
This Icelandair deal was found by Cheapflights users on 3/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:20 pmLIS - KEF
Nonstop4h 30mIcelandair
Thu 10/164:00 pmKEF - LIS
Nonstop4h 20mIcelandair
Deal found 3/27$371
This Austrian Airlines deal was found by Cheapflights users on 3/27. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:05 amLIS - KEF
2 stops43h 15mAustrian Airlines
Sun 5/412:10 amKEF - LIS
2 stops22h 20mAustrian Airlines
Deal found 3/27$487
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/27. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:20 pmLIS - KEF
Nonstop4h 30mTAP AIR PORTUGAL
Fri 11/217:40 amKEF - LIS
1 stop11h 45mTAP AIR PORTUGAL
Deal found 3/27$490
This KLM deal was found by Cheapflights users on 3/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/195:00 amLIS - KEF
1 stop14h 10mKLM
Wed 6/257:50 pmKEF - LIS
1 stop14h 05mKLM
Deal found 3/28$542
This British Airways deal was found by Cheapflights users on 3/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:55 pmLIS - KEF
1 stop15h 15mBritish Airways
Fri 5/1610:30 amKEF - LIS
2 stops11h 55mBritish Airways
Deal found 3/27$645

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 March 28, 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 8/29

9:20 pm-12:50 am

Nonstop4h 30m

Reykjavik Keflavik Intl

Fri 9/5

2:50 pm-8:20 pm

Nonstop4h 30m

$245

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Fri 5/9

5:05 am-11:35 pm

1 stop19h 30m

Reykjavik Keflavik Intl

Thu 5/15

1:15 am-9:50 pm

1 stop19h 35m

$316

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Fri 9/12

5:40 pm-1:20 am

1 stop8h 40m

Reykjavik Keflavik Intl

Mon 9/29

3:20 pm-1:20 pm

1 stop21h 00m

$331

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Sat 6/28

7:15 am-11:50 pm

1 stop17h 35m

Reykjavik Keflavik Intl

Thu 8/14

5:10 pm-10:35 am

1 stop16h 25m

$351

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Wed 9/10

2:30 pm-8:20 am

2 stops18h 50m

Reykjavik Keflavik Intl

Tue 9/30

4:10 pm-8:20 am

1 stop15h 10m

$363

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Sun 6/29

10:20 pm-1:50 am

Nonstop4h 30m

Reykjavik Keflavik Intl

Thu 8/14

4:00 pm-9:20 pm

Nonstop4h 20m

$393

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Thu 5/1

5:05 am-11:20 pm

2 stops43h 15m

Reykjavik Keflavik Intl

Sun 5/4

12:10 am-11:30 pm

2 stops22h 20m

$487

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Sat 6/28

7:15 am-11:50 pm

1 stop17h 35m

Reykjavik Keflavik Intl

Thu 8/14

4:00 pm-9:20 pm

Nonstop4h 20m

$503

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Thu 6/19

5:00 am-6:10 pm

1 stop14h 10m

Reykjavik Keflavik Intl

Wed 6/25

7:50 pm-10:55 am

1 stop14h 05m

$542

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

Sat 4/12

1:25 pm-8:50 am

1 stop20h 25m

Reykjavik Keflavik Intl

Tue 4/15

12:15 am-3:15 pm

2 stops14h 00m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 21 results
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Compare providers for flights from Lisbon to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to Keflavik Intl in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lisbon-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lisbon-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 21, 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 July is currently the most expensive (average of $651). 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 March 28, 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.

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 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

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 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 March 28, 2025.
KLM
7.8
Good
1,321 reviews

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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
7.5
Good
769 reviews
KLM
7.8
Good
1,321 reviews

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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
1,325 reviews
KLM
7.8
Good
1,321 reviews

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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.
Transavia France
7.3
Good
340 reviews
KLM
7.8
Good
1,321 reviews

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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?

    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 PLAY is currently your cheapest option to Reykjavik Keflavik Intl Airport, with prices starting at $245. Additional round-trip tickets that might be worth considering are offered by Lufthansa and Scandinavian Airlines, with the lowest prices starting at $316 and $351, respectively. 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?

    The cheapest airlines for a one-way flight from Lisbon to Reykjavik Keflavik Intl Airport are Transavia France ($169), PLAY ($186), and easyJet ($206).

  • 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 $369, our data shows the cheapest flight currently is $183. When looking at the most popular route, (Lisbon Humberto Delgado - Reykjavik Keflavik Intl), you can expect to pay $181 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 July is currently the most expensive (average of $651). 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.

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$168Average$249FlexibilityNo cancel feeOn-timeN/A
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