How often are flights from Reykjavik to Lisbon delayed?

About 9% of weekly flights between Reykjavik and Lisbon have experienced delays in the past year, with the average delay time being 82 minutes.

What is the most punctual flight time for Reykjavik to Lisbon flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Reykjavik to Lisbon flights?

Over the last year, CAA have had the lowest number of delays on this route, with just 9% of flights being delayed.

How long is the flight from Reykjavik Keflavik Intl Airport to Lisbon?

For as low as $232, easyJet can have you in Lisbon from Reykjavik Keflavik Intl Airport in 12h 10m. There are 1826 mi between Reykjavik Keflavik Intl Airport and Lisbon.

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.

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).

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 $1,089, our data shows the cheapest flight currently is $770. When looking at the most popular route, (Reykjavik Keflavik Intl - Lisbon Humberto Delgado), you can expect to pay $297 for that flight.

What is the cheapest time of day to fly from KEF to LIS?

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

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.

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 0 airlines. Lisbon Humberto Delgado is conveniently located just 4.2 mi from Lisbon’s city center.

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.

$128+ Cheap Flights from Reykjavik Keflavik Intl Airport to Lisbon

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Cheap flight deals from Keflavik Intl to Lisbon

Cheapest

Best

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One-way

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 August 20, 2026.

Tue 11/1011:55 am -

1 stop25h 50m

Tue 11/2411:05 am -

1 stop8h 30m

Deal found 8/15

$221

Thu 11/199:55 pm -

1 stop12h 10m

Sun 11/228:00 pm -

1 stop15h 15m

Deal found 8/19

$232

Thu 11/1910:05 am -

1 stop13h 00m

Sun 11/229:30 am -

1 stop11h 25m

Deal found 8/19

$240

Wed 11/1110:00 am -

1 stop9h 40m

Sat 11/219:10 am -

1 stop11h 10m

Deal found 8/15

$246

Tue 11/1010:50 am -

1 stop11h 15m

Sun 11/229:30 am -

1 stop11h 25m

Deal found 8/15

$248

Fri 11/1311:40 am -

1 stop11h 25m

Mon 11/236:20 am -

1 stop10h 20m

Deal found 8/15

$249

Sat 11/711:50 am -

1 stop10h 45m

Mon 11/236:20 am -

1 stop10h 20m

Deal found 8/15

$253

Tue 11/1010:50 am -

1 stop11h 15m

Mon 11/236:20 am -

1 stop10h 20m

Deal found 8/15

$255

Sat 11/79:05 pm -

1 stop12h 00m

Sun 11/229:30 am -

1 stop11h 25m

Deal found 8/15

$256

Sun 11/810:00 am -

1 stop10h 55m

Sun 11/229:30 am -

1 stop11h 25m

Deal found 8/15

$257

Fri 11/1311:40 am -

1 stop11h 25m

Sat 11/219:10 am -

1 stop11h 10m

Deal found 8/15

$259

Wed 11/1110:00 am -

1 stop9h 40m

Tue 11/245:45 pm -

1 stop15h 25m

Deal found 8/15

$260

Best flights from Keflavik Intl to Lisbon
Discover carefully curated flight deals from Keflavik Intl to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Thu 11/199:55 pm -

1 stop12h 10m

Sun 11/228:00 pm -

1 stop15h 15m

Deal found 8/19

$232

Sun 12/139:45 pm -

1 stop15h 00m

Thu 12/246:30 am -

2 stops11h 35m

Deal found 8/16

$343

Thu 10/17:15 pm -

1 stop22h 30m

Thu 10/87:45 pm -

1 stop13h 05m

Deal found 8/17

$386

Fri 12/2511:45 am -

1 stop10h 10m

Mon 1/113:45 pm -

1 stop19h 05m

Deal found 8/18

$409

Tue 12/226:20 am -

Nonstop4h 20m

Thu 1/142:00 pm -

Nonstop4h 30m

Deal found 8/18

$525

Sun 12/139:45 pm -

1 stop15h 00m

Thu 12/2410:55 am -

1 stop8h 35m

Deal found 8/16

$327

Thu 12/2412:15 pm -

1 stop8h 10m

Tue 12/291:40 pm -

1 stop19h 45m

Deal found 8/19

$376

Thu 10/110:15 am -

1 stop12h 15m

Thu 10/81:50 pm -

1 stop21h 05m

Deal found 8/17

$363

Mon 12/2111:55 am -

1 stop9h 50m

Tue 1/124:00 pm -

1 stop18h 50m

Deal found 8/18

$409

Wed 11/1111:45 am -

1 stop24h 20m

Sun 11/157:05 am -

1 stop9h 55m

Deal found 8/16

$436

Last-minute flights from Keflavik Intl to Lisbon
Discover last-minute flight deals from Keflavik Intl to Lisbon. Data last updated August 20, 2026 and is based on user searches.

Wed 8/1912:20 am -

1 stop22h 10m

Thu 8/276:15 am -

1 stop18h 55m

Deal found 8/17

$493

Thu 8/209:20 pm -

1 stop25h 10m

Thu 8/274:05 pm -

2 stops26h 35m

Deal found 8/17

$462

Tue 8/252:10 pm -

1 stop8h 25m

Thu 9/32:30 pm -

1 stop10h 40m

Deal found 8/18

$513

Fri 8/286:25 pm -

1 stop24h 25m

Thu 9/39:15 pm -

2 stops21h 40m

Deal found 8/17

$424

Wed 9/28:00 pm -

1 stop25h 50m

Sun 9/65:00 am -

1 stop27h 50m

Deal found 8/17

$539

Mon 9/75:05 pm -

2 stops27h 30m

Mon 9/1411:00 pm -

2 stops35h 40m

Deal found 8/16

$399

Wed 9/99:00 am -

1 stop11h 00m

Tue 10/66:55 pm -

1 stop14h 25m

Deal found 8/15

$471

One-way flights from Keflavik Intl to Lisbon
Search for one-way flight options from Keflavik Intl to Lisbon. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.

Wed 10/147:05 pm -

2 stops22h 20m

Deal found 8/17

$128

Fri 10/1610:35 am -

1 stop24h 55m

Deal found 8/17

$146

Thu 10/157:35 pm -

2 stops24h 30m

Deal found 8/17

$163

Sun 9/277:35 pm -

2 stops36h 15m

Deal found 8/18

$171

Sat 10/31:10 am -

1 stop11h 45m

Deal found 8/19

$179

Thu 12/2412:15 pm -

1 stop20h 15m

Deal found 8/18

$183

Tue 9/157:55 pm -

2 stops14h 35m

Deal found 8/16

$184

Tue 9/156:00 pm -

1 stop13h 30m

Deal found 8/16

$192

Wed 10/146:45 pm -

1 stop17h 20m

Deal found 8/17

$198

Find flight deals from Keflavik Intl to Lisbon

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$221 (Connections by easyJet)
One-way from	$128 (Kiwi.com)
Popular in	July
Cheapest in	January
Average price	$729
Good round-trip deal	$849 or less

Provider with most accurate pricing for Reykjavik Keflavik Intl-Lisbon Humberto Delgado flight deals.

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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Lisbon Humberto Delgado flights.

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From Reykjavik Keflavik Intl to Lisbon Humberto Delgado

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One-way flight from Reykjavik Keflavik Intl to Lisbon Humberto Delgado

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($149 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Lisbon Humberto Delgado.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ReykjavikLisbon

KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado

KEFLIS

Reykjavik Keflavik Intl

Thu 11/19

9:55 pm-10:05 am

1 stop12h 10m

Lisbon Humberto Delgado

Sun 11/22

8:00 pm-11:15 am

1 stop15h 15m

$232

ReykjavikLisbon

KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado

KEFLIS

Reykjavik Keflavik Intl

Sun 12/13

9:45 pm-12:45 pm

1 stop15h 00m

Lisbon Humberto Delgado

Thu 12/24

10:55 am-7:30 pm

1 stop8h 35m

$327

ReykjavikLisbon

KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado

KEFLIS

Reykjavik Keflavik Intl

Sun 12/13

9:45 pm-12:45 pm

1 stop15h 00m

Lisbon Humberto Delgado

Thu 12/24

6:30 am-6:05 pm

2 stops11h 35m

$343

ReykjavikLisbon

KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado

KEFLIS

Reykjavik Keflavik Intl

Thu 10/1

10:15 am-11:30 pm

1 stop12h 15m

Lisbon Humberto Delgado

Thu 10/8

1:50 pm-9:55 am

1 stop21h 05m

$363

ReykjavikLisbon

KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado

KEFLIS

Reykjavik Keflavik Intl

Thu 12/24

12:15 pm-8:25 pm

1 stop8h 10m

Lisbon Humberto Delgado

Tue 12/29

1:40 pm-9:25 am

1 stop19h 45m

$376

ReykjavikLisbon

KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado

KEFLIS

Reykjavik Keflavik Intl

Thu 10/1

7:15 pm-6:45 pm

1 stop22h 30m

Lisbon Humberto Delgado

Thu 10/8

7:45 pm-7:50 am

1 stop13h 05m

$386

ReykjavikLisbon

KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado

KEFLIS

Reykjavik Keflavik Intl

Fri 12/25

11:45 am-9:55 pm

1 stop10h 10m

Lisbon Humberto Delgado

Mon 1/11

3:45 pm-10:50 am

1 stop19h 05m

$409

ReykjavikLisbon

KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado

KEFLIS

Reykjavik Keflavik Intl

Mon 12/21

11:55 am-9:45 pm

1 stop9h 50m

Lisbon Humberto Delgado

Tue 1/12

4:00 pm-10:50 am

1 stop18h 50m

$409

ReykjavikLisbon

KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado

KEFLIS

Reykjavik Keflavik Intl

Wed 11/11

11:45 am-12:05 pm

1 stop24h 20m

Lisbon Humberto Delgado

Sun 11/15

7:05 am-5:00 pm

1 stop9h 55m

$436

Quickest round-trip

ReykjavikLisbon

KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado

KEFLIS

Reykjavik Keflavik Intl

Tue 12/22

6:20 am-10:40 am

Nonstop4h 20m

Lisbon Humberto Delgado

Thu 1/14

2:00 pm-6:30 pm

Nonstop4h 30m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 19 resultsSorted by cheapest first

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.

KEF-LIS

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 Reykjavik Keflavik Intl Airport to Lisbon

Prices

Delays

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 $370). Flying from Reykjavik Keflavik Intl Airport to Lisbon in July is currently the most expensive (average of $956). 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.

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

Airfare is below average for this route at the moment.

Reykjavik Keflavik Intl Airport to Lisbon flights typically cost between $576 and $794 in November.
The cheapest round-trip price found within the last 5 days was $221 on easyJet (Nov 10-Nov 24).

Related info for your journey

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 0 airlines. Lisbon Humberto Delgado is conveniently located just 4.2 mi from Lisbon’s city center.
How long is the flight from Reykjavik Keflavik Intl Airport to Lisbon?
For as low as $232, easyJet can have you in Lisbon from Reykjavik Keflavik Intl Airport in 12h 10m. There are 1826 mi between Reykjavik Keflavik Intl Airport and Lisbon.
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 $1,089, our data shows the cheapest flight currently is $770. When looking at the most popular route, (Reykjavik Keflavik Intl - Lisbon Humberto Delgado), you can expect to pay $297 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 $370). Flying from Reykjavik Keflavik Intl Airport to Lisbon in July is currently the most expensive (average of $956). 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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$128+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Keflavik Intl to Lisbon

Cheapest flights from Keflavik Intl to LisbonExplore 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 August 20, 2026.

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 August 20, 2026.

Best flights from Keflavik Intl to LisbonDiscover carefully curated flight deals from Keflavik Intl to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Discover carefully curated flight deals from Keflavik Intl to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Last-minute flights from Keflavik Intl to LisbonDiscover last-minute flight deals from Keflavik Intl to Lisbon. Data last updated August 20, 2026 and is based on user searches.

Discover last-minute flight deals from Keflavik Intl to Lisbon. Data last updated August 20, 2026 and is based on user searches.

One-way flights from Keflavik Intl to LisbonSearch for one-way flight options from Keflavik Intl to Lisbon. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.

Search for one-way flight options from Keflavik Intl to Lisbon. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.

Find flight deals from Keflavik Intl to Lisbon

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Lisbon that are best for you.

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.

Cheapflights Insights

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

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

Airfare is below average for this route at the moment.

Reykjavik Keflavik Intl Airport to Lisbon flights typically cost between $576 and $794 in November.The cheapest round-trip price found within the last 5 days was $221 on easyJet (Nov 10-Nov 24).

How often are flights from Reykjavik to Lisbon delayed?

About 9% of weekly flights between Reykjavik and Lisbon have experienced delays in the past year, with the average delay time being 82 minutes.

What is the most punctual flight time for Reykjavik to Lisbon flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Reykjavik to Lisbon flights?

Over the last year, CAA have had the lowest number of delays on this route, with just 9% of flights being delayed.

Related info for your journey

What airport do you fly into for flights to Lisbon from Reykjavik Keflavik Intl?

How long is the flight from Reykjavik Keflavik Intl Airport to Lisbon?

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

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

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

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

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

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Keflavik Intl and Lisbon flights

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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 August 20, 2026.

Best flights from Keflavik Intl to Lisbon
Discover carefully curated flight deals from Keflavik Intl to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Last-minute flights from Keflavik Intl to Lisbon
Discover last-minute flight deals from Keflavik Intl to Lisbon. Data last updated August 20, 2026 and is based on user searches.

One-way flights from Keflavik Intl to Lisbon
Search for one-way flight options from Keflavik Intl to Lisbon. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.

Reykjavik Keflavik Intl Airport to Lisbon flights typically cost between $576 and $794 in November.
The cheapest round-trip price found within the last 5 days was $221 on easyJet (Nov 10-Nov 24).