HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lisbon

$95+ Cheap flights from Keflavik Intl (KEF) to Lisbon (LIS)

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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — LIS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Keflavik Intl to Lisbon 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.

Cheap flight deals from Keflavik Intl to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Lisbon (LIS). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$198
(Mytrip)

One-way from

$95
(Booking.com)

Popular in

March

Cheapest in

February

Average price

$239

Good round-trip deal

$283 or less

Good one-way deal

$315 or less
Provider with most accurate pricing for Reykjavik Keflavik Intl-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Lisbon Humberto Delgado flights.
Search Deals
From Reykjavik Keflavik Intl to Lisbon Humberto Delgado
Search Deals
One-way flight from Reykjavik Keflavik Intl to Lisbon Humberto Delgado
Search Deals
High demand for flights, 8% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Lisbon Humberto Delgado.
Search Deals
Price to beat on a one-way flight from Reykjavik Keflavik Intl to Lisbon Humberto Delgado.
Search Deals

Find flight deals from Keflavik Intl to Lisbon

Cheapest flights from Keflavik Intl to Lisbon
Explore the most affordable flight options available from Keflavik Intl to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 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.
Mon 3/243:50 pmKEF - LIS
Nonstop4h 25mPLAY
Mon 3/319:40 pmLIS - KEF
Nonstop4h 30mPLAY
Deal found 2/20$198
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.
Mon 3/243:50 pmKEF - LIS
Nonstop4h 25mMultiple Airlines
Mon 3/313:20 pmLIS - KEF
1 stop18h 35mMultiple Airlines
Deal found 2/20$220
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.
Tue 4/112:15 amKEF - LIS
1 stop21h 40measyJet
Tue 4/86:15 amLIS - KEF
1 stop18h 20measyJet
Deal found 2/20$234
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1812:25 amKEF - LIS
1 stop22h 05mLufthansa
Fri 5/2312:15 pmLIS - KEF
1 stop12h 20mLufthansa
Deal found 2/20$519
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.
Mon 5/197:35 amKEF - LIS
1 stop14h 15mTAP AIR PORTUGAL
Fri 5/236:25 pmLIS - KEF
1 stop30h 25mTAP AIR PORTUGAL
Deal found 2/20$535
This Austrian Airlines 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1812:10 amKEF - LIS
2 stops20h 55mAustrian Airlines
Fri 5/236:15 amLIS - KEF
2 stops18h 05mAustrian Airlines
Deal found 2/20$596
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/198:45 amKEF - LIS
2 stops13h 15mFinnair
Fri 5/234:35 pmLIS - KEF
1 stop16h 25mFinnair
Deal found 2/20$857

Find flights from Keflavik Intl to Lisbon within your budget

Customize your flight search to find flights from Keflavik Intl to Lisbon 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 February 20, 2025.

Fly from

Keflavik Intl

Fly to

Lisbon

Route

Depart

Return

Price

ReykjavikLisbon

KEF - LIS

KEFLIS

Reykjavik Keflavik Intl

Mon 3/24

3:50 pm-8:15 pm

Nonstop4h 25m

Lisbon Humberto Delgado

Mon 3/31

9:40 pm-1:10 am

Nonstop4h 30m

$198

ReykjavikLisbon

KEF - LIS

KEFLIS

Reykjavik Keflavik Intl

Mon 3/24

3:50 pm-8:15 pm

Nonstop4h 25m

Lisbon Humberto Delgado

Mon 3/31

3:20 pm-8:55 am

1 stop18h 35m

$220

ReykjavikLisbon

KEF - LIS

KEFLIS

Reykjavik Keflavik Intl

Tue 4/1

12:15 am-10:55 pm

1 stop21h 40m

Lisbon Humberto Delgado

Tue 4/8

6:15 am-11:35 pm

1 stop18h 20m

$234

ReykjavikLisbon

KEF - LIS

KEFLIS

Reykjavik Keflavik Intl

Sun 5/18

12:25 am-11:30 pm

1 stop22h 05m

Lisbon Humberto Delgado

Fri 5/23

12:15 pm-11:35 pm

1 stop12h 20m

$519

ReykjavikLisbon

KEF - LIS

KEFLIS

Reykjavik Keflavik Intl

Mon 5/19

7:35 am-10:50 pm

1 stop14h 15m

Lisbon Humberto Delgado

Fri 5/23

6:25 pm-11:50 pm

1 stop30h 25m

$535

ReykjavikLisbon

KEF - LIS

KEFLIS

Reykjavik Keflavik Intl

Sun 5/18

12:10 am-10:05 pm

2 stops20h 55m

Lisbon Humberto Delgado

Fri 5/23

6:15 am-11:20 pm

2 stops18h 05m

$596

ReykjavikLisbon

KEF - LIS

KEFLIS

Reykjavik Keflavik Intl

Mon 5/19

8:45 am-11:00 pm

2 stops13h 15m

Lisbon Humberto Delgado

Fri 5/23

4:35 pm-8:00 am

1 stop16h 25m

$857

ReykjavikLisbon

KEF - LIS

KEFLIS

Reykjavik Keflavik Intl

Mon 3/24

3:50 pm-8:15 pm

Nonstop4h 25m

$95

ReykjavikLisbon

KEF - LIS

KEFLIS

Reykjavik Keflavik Intl

Fri 4/25

8:55 am-9:05 pm

1 stop11h 10m

$135

ReykjavikLisbon

KEF - LIS

KEFLIS

Reykjavik Keflavik Intl

Mon 4/7

3:20 pm-1:20 pm

1 stop21h 00m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 19 results
1
2

Compare providers for flights from Keflavik Intl to Lisbon

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 Keflavik Intl to Lisbon in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Reykjavik Keflavik Intl Airport-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Reykjavik Keflavik Intl Airport-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Lisbon 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 Reykjavik Keflavik Intl Airport-Lisbon 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 Keflavik Intl to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Keflavik Intl 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 Keflavik Intl to Lisbon

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

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

Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Lisbon (average of $612). Flying from Reykjavik Keflavik Intl Airport to Lisbon in June is currently the most expensive (average of $1,234). 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 KEF to LIS?

Find hourly flight availability from Keflavik Intl to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

One of the essential ways to save on airfare from Reykjavik Keflavik Intl Airport to Lisbon is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 40% on airfare.

Rainfall in Lisbon by month

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

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

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

If weather is an important factor for your trip to Lisbon, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated February 20, 2025.
airBaltic
7.8
Good
177 reviews

Crew

8.4

Food

7.6

Comfort

8.0

Overall

7.8

Boarding

8.1

Entertainment

7.1

Reviews

1 / 1

4.0
Okay

Mujib,Oct 2022

RIX - CPH

Not fan of Air Canada. Only two things they ever serve for in-flight food. Chicken or Pasta. I traveled many times with them , never heard about anything else from their mouth for food. I call them "cheap chicken pasta airline".

airBaltic
7.8
Good
177 reviews
airBaltic
7.8
Good
177 reviews

Crew

8.4

Food

7.6

Comfort

8.0

Overall

7.8

Boarding

8.1

Entertainment

7.1

Reviews

1 / 1

4.0
Okay

Mujib,Oct 2022

RIX - CPH

Not fan of Air Canada. Only two things they ever serve for in-flight food. Chicken or Pasta. I traveled many times with them , never heard about anything else from their mouth for food. I call them "cheap chicken pasta airline".

Norwegian
7.7
Good
232 reviews
airBaltic
7.8
Good
177 reviews

Crew

8.4

Food

7.6

Comfort

8.0

Overall

7.8

Boarding

8.1

Entertainment

7.1

Reviews

1 / 1

4.0
Okay

Mujib,Oct 2022

RIX - CPH

Not fan of Air Canada. Only two things they ever serve for in-flight food. Chicken or Pasta. I traveled many times with them , never heard about anything else from their mouth for food. I call them "cheap chicken pasta airline".

LOT
7.6
Good
1,080 reviews
airBaltic
7.8
Good
177 reviews

Crew

8.4

Food

7.6

Comfort

8.0

Overall

7.8

Boarding

8.1

Entertainment

7.1

Reviews

1 / 1

4.0
Okay

Mujib,Oct 2022

RIX - CPH

Not fan of Air Canada. Only two things they ever serve for in-flight food. Chicken or Pasta. I traveled many times with them , never heard about anything else from their mouth for food. I call them "cheap chicken pasta airline".

Finnair
7.6
Good
1,273 reviews
airBaltic
7.8
Good
177 reviews

Crew

8.4

Food

7.6

Comfort

8.0

Overall

7.8

Boarding

8.1

Entertainment

7.1

Reviews

1 / 1

4.0
Okay

Mujib,Oct 2022

RIX - CPH

Not fan of Air Canada. Only two things they ever serve for in-flight food. Chicken or Pasta. I traveled many times with them , never heard about anything else from their mouth for food. I call them "cheap chicken pasta airline".

Austrian Airlines
7.6
Good
773 reviews
airBaltic
7.8
Good
177 reviews

Crew

8.4

Food

7.6

Comfort

8.0

Overall

7.8

Boarding

8.1

Entertainment

7.1

Reviews

1 / 1

4.0
Okay

Mujib,Oct 2022

RIX - CPH

Not fan of Air Canada. Only two things they ever serve for in-flight food. Chicken or Pasta. I traveled many times with them , never heard about anything else from their mouth for food. I call them "cheap chicken pasta airline".

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to Lisbon. 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 into for flights to Lisbon from Reykjavik Keflavik Intl?

    Most people fly into Lisbon Humberto Delgado (LIS) if they book a flight to Lisbon from Reykjavik Keflavik Intl. On average, Humberto Delgado has 0 inbound flights from Reykjavik Keflavik Intl per day from 2 airlines. Lisbon Humberto Delgado is conveniently located just 4.2 mi from Lisbon’s city center.

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

    Our cheapest airline available from Reykjavik Keflavik Intl Airport to Lisbon is PLAY. Our recent data shows that you can find tickets from as low as $198 on this airline. Additional options worth looking into are easyJet and Lufthansa, starting at $234 and $519 round-trip. PLAY is currently priced 48% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is PLAY, with whom users have recently found tickets for as low as $95. However, be on the lookout for offers from easyJet and Lufthansa, as they are both options that can get you from Reykjavik Keflavik Intl Airport to Lisbon for a low price.

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

    While on average a flight from Reykjavik Keflavik Intl Airport to Lisbon is generally $361, our data shows the cheapest flight currently is $180. When looking at the most popular route, (Reykjavik Keflavik Intl - Lisbon Humberto Delgado), you can expect to pay $593 for that flight.

  • Can I find deals for flights from Keflavik Intl to Lisbon that include hotel bookings?

    Yes. In addition to deals on Keflavik Intl to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Keflavik Intl to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Keflavik Intl to Lisbon.

  • Can I find deals for business class flights from Keflavik Intl to Lisbon?

    Yes. Cheapflights offers flight deals from Keflavik Intl to Lisbon 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 Reykjavik Keflavik Intl Airport to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Lisbon (average of $612). Flying from Reykjavik Keflavik Intl Airport to Lisbon in June is currently the most expensive (average of $1,234). 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
Sintra
Almada
Beja
Costa da Caparica
Nazaré
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

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 2 airlines flying from Keflavik Intl to Lisbon

Discover the top 2 airlines that operate flights from Keflavik Intl to Lisbon. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$195Average$306FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$200Average$336FlexibilityNo cancel feeOn-time76%
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.