Keflavik Intl

$104+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — KEF
feb. 27 — mar. 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lisbon to Keflavik Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 febrero 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$196
(Mytrip)

One-way from

$104
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$212

Good round-trip deal

$297 or less

Good one-way deal

$191 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Reykjavik Keflavik Intl flight deals.
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Reykjavik Keflavik Intl flights.
From Lisbon Humberto Delgado to Reykjavik Keflavik Intl
One-way flight from Lisbon Humberto Delgado to Reykjavik Keflavik Intl
Highest demand for flights based on searches. 20% potential increase in price ($75 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Lisbon Humberto Delgado to Reykjavik Keflavik Intl.
Price to beat on a one-way flight from Lisbon Humberto Delgado to Reykjavik Keflavik Intl.

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 febrero 22, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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.
vie. 3/219:15 pmLIS - KEF
Nonstop4h 35mPLAY
vie. 3/283:50 pmKEF - LIS
Nonstop4h 25mPLAY
Deal found 2/20$196
This easyJet worldwide deal was found by Cheapflights users on 2/20. 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 easyJet worldwide is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/16:20 amLIS - KEF
1 stop10h 20measyJet
lun. 12/87:35 pmKEF - LIS
1 stop14h 50measyJet
Deal found 2/20$217
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/219:15 pmLIS - KEF
Nonstop4h 35mMultiple Airlines
vie. 3/287:50 pmKEF - LIS
1 stop25h 00mMultiple Airlines
Deal found 2/20$245
This Mytrip deal was found by Cheapflights users on 2/21. 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.
vie. 3/217:10 pmLIS - KEF
1 stop28h 10mScandinavian Airlines
vie. 3/283:40 pmKEF - LIS
1 stop23h 55mScandinavian Airlines
Deal found 2/21$320
This Mytrip deal was found by Cheapflights users on 2/20. 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.
jue. 4/172:25 pmLIS - KEF
1 stop10h 30mLOT
sáb. 4/1912:45 amKEF - LIS
1 stop11h 40mLOT
Deal found 2/20$397
This Lufthansa deal was found by Cheapflights users on 2/21. 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.
lun. 9/85:05 amLIS - KEF
2 stops28h 30mLufthansa
jue. 9/181:15 amKEF - LIS
2 stops21h 15mLufthansa
Deal found 2/21$399
This Icelandair deal was found by Cheapflights users on 2/21. 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.
dom. 4/1310:20 pmLIS - KEF
Nonstop4h 30mIcelandair
dom. 4/274:00 pmKEF - LIS
Nonstop4h 20mIcelandair
Deal found 2/21$405
This SWISS deal was found by Cheapflights users on 2/21. 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.
vie. 2/216:40 pmLIS - KEF
1 stop18h 40mSWISS
mié. 2/262:15 pmKEF - LIS
1 stop24h 20mSWISS
Deal found 2/21$456
This KLM deal was found by Cheapflights users on 2/20. 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.
sáb. 3/155:00 amLIS - KEF
1 stop14h 05mKLM
sáb. 3/228:00 pmKEF - LIS
1 stop14h 35mKLM
Deal found 2/20$487
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/20. 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.
lun. 3/249:20 pmLIS - KEF
Nonstop4h 30mTAP AIR PORTUGAL
mié. 3/267:40 amKEF - LIS
1 stop11h 35mTAP AIR PORTUGAL
Deal found 2/20$491
This British Airways deal was found by Cheapflights users on 2/20. 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.
vie. 3/217:05 amLIS - KEF
1 stop10h 30mBritish Airways
vie. 3/286:45 pmKEF - LIS
1 stop15h 30mBritish Airways
Deal found 2/20$584
This Austrian Airlines deal was found by Cheapflights users on 2/21. 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.
vie. 6/66:15 amLIS - KEF
2 stops42h 05mAustrian Airlines
vie. 6/2012:10 amKEF - LIS
2 stops20h 55mAustrian Airlines
Deal found 2/21$713

Find flights from Lisbon to Keflavik Intl within your budget

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 febrero 22, 2025.

Fly from

Lisbon

Fly to

Keflavik Intl

Route

Depart

Return

Price

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

vie. 3/21

9:15 pm-1:50 am

Nonstop4h 35m

Reykjavik Keflavik Intl

vie. 3/28

3:50 pm-8:15 pm

Nonstop4h 25m

$196

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

sáb. 3/8

6:00 am-8:15 pm

1 stop14h 15m

Reykjavik Keflavik Intl

mié. 3/12

7:35 pm-10:25 am

1 stop14h 50m

$242

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

vie. 3/21

9:15 pm-1:50 am

Nonstop4h 35m

Reykjavik Keflavik Intl

vie. 3/28

7:50 pm-8:50 pm

1 stop25h 00m

$245

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

vie. 3/21

7:10 pm-11:20 pm

1 stop28h 10m

Reykjavik Keflavik Intl

vie. 3/28

3:40 pm-3:35 pm

1 stop23h 55m

$320

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

jue. 4/17

2:25 pm-11:55 pm

1 stop10h 30m

Reykjavik Keflavik Intl

sáb. 4/19

12:45 am-1:25 pm

1 stop11h 40m

$397

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

jue. 3/6

3:55 pm-1:55 pm

1 stop22h 00m

Reykjavik Keflavik Intl

mar. 3/11

2:55 pm-10:50 pm

1 stop7h 55m

$402

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

dom. 4/13

10:20 pm-1:50 am

Nonstop4h 30m

Reykjavik Keflavik Intl

dom. 4/27

4:00 pm-9:20 pm

Nonstop4h 20m

$405

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

sáb. 3/15

5:00 am-7:05 pm

1 stop14h 05m

Reykjavik Keflavik Intl

sáb. 3/22

8:00 pm-10:35 am

1 stop14h 35m

$487

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

lun. 3/24

9:20 pm-1:50 am

Nonstop4h 30m

Reykjavik Keflavik Intl

mié. 3/26

7:40 am-7:15 pm

1 stop11h 35m

$491

LisbonReykjavik

LIS - KEF

LISKEF

Lisbon Humberto Delgado

vie. 3/21

7:05 am-5:35 pm

1 stop10h 30m

Reykjavik Keflavik Intl

vie. 3/28

6:45 pm-10:15 am

1 stop15h 30m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 21 results
1
2
3
  • 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.

Travel insights for flights from Lisbon to Keflavik Intl

Get recent, data-driven insights about flights from Lisbon to Keflavik Intl including ideal travel times, pricing trends, and more.

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 February 14, 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 $657). 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 febrero 22, 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 febrero 22, 2025.
Peruse reviews from past customers who have flown with KLM, LOT and Finnair from Lisbon to Reykjavik to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.8

Overall

7.8

Crew

8.3

Entertainment

7.2

Food

7.3

Comfort

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Boarding

7.8

Overall

7.8

Crew

8.3

Entertainment

7.2

Food

7.3

Comfort

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Boarding

7.8

Overall

7.8

Crew

8.3

Entertainment

7.2

Food

7.3

Comfort

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Boarding

7.8

Overall

7.8

Crew

8.3

Entertainment

7.2

Food

7.3

Comfort

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Boarding

7.8

Overall

7.8

Crew

8.3

Entertainment

7.2

Food

7.3

Comfort

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Boarding

7.8

Overall

7.8

Crew

8.3

Entertainment

7.2

Food

7.3

Comfort

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 $196. Additional round-trip tickets that might be worth considering are offered by easyJet and Scandinavian Airlines, with the lowest prices starting at $242 and $320, respectively. Users have found that PLAY 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 PLAY ($104), Transavia France ($128), and easyJet ($130).

  • 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 $553, our data shows the cheapest flight currently is $168. 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 June is currently the most expensive (average of $657). 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 Lisbon?

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

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 febrero 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$168Average$249FlexibilityNo cancel feeOn-timeN/A
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.