Cheap Flights from Reykjavik Keflavik to Lisbon

Q: How much are round-trip flights from Reykjavik Keflavik to Lisbon?

The best price we found for a round-trip flight from Reykjavik Keflavik to Lisbon is $194. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Q: How long does it take to fly from Reykjavik Keflavik to Lisbon?

4 hours and 26 minutes is the average flight time from Reykjavik Keflavik to Lisbon.

Q: Which airlines fly direct from Reykjavik Keflavik to Lisbon?

Fly Play, Icelandair and TAP Air Portugal fly direct from Reykjavik Keflavik to Lisbon.

Q: How many flights are there a week from Reykjavik Keflavik to Lisbon?

There are 11 flights per week flying from Reykjavik Keflavik to Lisbon, as of May 2025.

Q: When is the cheapest time to fly from Reykjavik Keflavik to Lisbon?

The cheapest month to fly from Reykjavik Keflavik to Lisbon is usually May 2025.

Q: Which upcoming date is cheapest to fly from Reykjavik Keflavik Airport to Lisbon Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Reykjavik Keflavik Airport to Lisbon Airport on Tuesday, March 3, 2026 .

Q: Can I get a direct flight from Reykjavik Keflavik Airport to Lisbon Airport?

Yes – the average flight time is 4 hours and 26 minutes.

Q: How can I find the best flight deal to Lisbon?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Lisbon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

Q: When is the best time to book flights to Lisbon?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.

Q: Which is the cheapest airline to fly with from Reykjavik Keflavik Airport to Lisbon?

Currently, easyJet and Fly Play offer the cheapest flight tickets to Lisbon.

Compare Reykjavik Keflavik to Lisbon flight deals

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Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Reykjavik Keflavik to Lisbon

Looking for a cheap last-minute deal or the best round-trip flight from Reykjavik Keflavik to Lisbon? Find the lowest prices on one-way and round-trip tickets right here.

Lisbon.$194 per passenger.Departing Tue, Mar 3, returning Tue, Mar 10.Round-trip flight with easyJet.Outbound indirect flight with easyJet, departing from Reykjavik Keflavik on Tue, Mar 3, arriving in Lisbon.Inbound indirect flight with easyJet, departing from Lisbon on Tue, Mar 10, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $194, select.

Lisbon.$197 per passenger.Departing Wed, Dec 10, returning Wed, Dec 17.Round-trip flight with easyJet.Outbound indirect flight with easyJet, departing from Reykjavik Keflavik on Wed, Dec 10, arriving in Lisbon.Inbound indirect flight with easyJet, departing from Lisbon on Wed, Dec 17, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $197, select.

Lisbon.$203 per passenger.Departing Thu, Feb 26, returning Thu, Mar 5.Round-trip flight with easyJet.Outbound indirect flight with easyJet, departing from Reykjavik Keflavik on Thu, Feb 26, arriving in Lisbon.Inbound indirect flight with easyJet, departing from Lisbon on Thu, Mar 5, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $203, select.

Lisbon.$205 per passenger.Departing Tue, Feb 3, returning Tue, Feb 10.Round-trip flight with easyJet.Outbound indirect flight with easyJet, departing from Reykjavik Keflavik on Tue, Feb 3, arriving in Lisbon.Inbound indirect flight with easyJet, departing from Lisbon on Tue, Feb 10, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $205, select.

Lisbon.$216 per passenger.Departing Sun, Nov 16, returning Sun, Nov 23.Round-trip flight with easyJet.Outbound indirect flight with easyJet, departing from Reykjavik Keflavik on Sun, Nov 16, arriving in Lisbon.Inbound indirect flight with easyJet, departing from Lisbon on Sun, Nov 23, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $216, select.

Lisbon.$222 per passenger.Departing Sat, Nov 29, returning Sat, Dec 6.Round-trip flight with easyJet and Ryanair.Outbound indirect flight with easyJet, departing from Reykjavik Keflavik on Sat, Nov 29, arriving in Lisbon.Inbound indirect flight with Ryanair, departing from Lisbon on Sat, Dec 6, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $222, select.

Lisbon.$225 per passenger.Departing Wed, Jan 21, returning Wed, Jan 28.Round-trip flight with easyJet.Outbound indirect flight with easyJet, departing from Reykjavik Keflavik on Wed, Jan 21, arriving in Lisbon.Inbound indirect flight with easyJet, departing from Lisbon on Wed, Jan 28, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $225, select.

Lisbon.$226 per passenger.Departing Sun, Jan 25, returning Sun, Feb 1.Round-trip flight with easyJet.Outbound indirect flight with easyJet, departing from Reykjavik Keflavik on Sun, Jan 25, arriving in Lisbon.Inbound indirect flight with easyJet, departing from Lisbon on Sun, Feb 1, arriving in Reykjavik Keflavik.Price includes taxes and charges.From $226, select.

Find the cheapest month to fly from Reykjavik Keflavik to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Reykjavik Keflavik to Lisbon flights are currently cheapest in March.

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Direct flights from Reykjavik Keflavik to Lisbon

Reykjavik Keflavik to Lisbon: Alternative routes

Compare routes from Reykjavik Keflavik to Lisbon below. You may find an airport to fly into that's cheaper, faster, or easier than Lisbon.

Reykjavik to Lisbon: Flight information

The things to know before you go.

Cheapest flight found	$194
Cheapest month to fly	March
Average flight time	4 hrs, 26 mins
Most popular airline	Fly Play
Average flights per week	11

Finding cheap flights from Reykjavik Keflavik to Lisbon: Frequently asked questions

How much are round-trip flights from Reykjavik Keflavik to Lisbon?

How long does it take to fly from Reykjavik Keflavik to Lisbon?

Which airlines fly direct from Reykjavik Keflavik to Lisbon?

How many flights are there a week from Reykjavik Keflavik to Lisbon?

When is the cheapest time to fly from Reykjavik Keflavik to Lisbon?

Which upcoming date is cheapest to fly from Reykjavik Keflavik Airport to Lisbon Airport on?

Can I get a direct flight from Reykjavik Keflavik Airport to Lisbon Airport?

How can I find the best flight deal to Lisbon?

When is the best time to book flights to Lisbon?

Which is the cheapest airline to fly with from Reykjavik Keflavik Airport to Lisbon?

Traveling from Keflavik International Airport (KEF) to Lisbon Portela Airport (LIS): what you need to know

Around 4 hours 30 minutes is how long you can expect to be traveling on a direct flight from Keflavik International Airport to Lisbon Portela Airport.
Lisbon's timezone is UTC+0, which is the same as Reykjavik.
Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Get to the airport on time to board your KEF to LIS flight.
During popular months like July, you'll want to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during a high season in general.
Traveling to Lisbon (and then discovering more of Portugal!) is a snap with Fly Play. This popular carrier has direct flights from Keflavik International Airport to Lisbon Portela Airport.
Fly Play is the top choice for travelers on this route.
If you want to explore another city along the way, simply uncheck 'Direct flights only' when searching for your ticket from Keflavik International Airport to Lisbon Portela Airport. These are the top stopovers between KEF and LIS:
- Charles de Gaulle Airport
- Paris Orly Airport
- Adolfo Suarez Madrid-Barajas Airport

How to find the cheapest flights from Keflavik International Airport (KEF) to Lisbon Portela Airport (LIS)

Right now, $96 is the cheapest price we've seen for a one-way Keflavik International Airport to Lisbon Portela Airport flight. The best price for a return plane ticket is $194. Remember that fares can change due to demand at the time of booking.
It's a good idea to book in advance if you want to find cheap tickets from KEF to LIS. That's because flight prices are based on demand, which tends to rise closer to departure.
Schedule your trip for November. That's the cheapest month for flights from Keflavik International Airport to Lisbon Portela Airport. If you have flexibility with your dates, use the 'Whole month' tool to see the cheapest airfare across each month.
Snapping up cheap flights from KEF to LIS is easy with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when a new discounted fare appears.
Secure the right flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Keflavik International Airport to Lisbon Portela Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about Keflavik International Airport (KEF)

When it comes to the on-time performance of Keflavik International Airport, data shows 66.96% of flights stick to their scheduled arrival time.
Central Reykjavik to Keflavik International Airport is around 48 kilometers. Depending on traffic, it'll take about 50 minutes to get there if you're driving, catching a cab or ride-sharing.
Expect a trip time of about 1 hour 15 minutes when using public transport.
Looking for a convenient hotel close to KEF? If you've booked an early flight from Keflavik International Airport to Lisbon Portela Airport, these accommodation options will have you sleeping moments from check-in:

Arriving at Lisbon Portela Airport (LIS)

If you're landing on a late Keflavik International Airport to Lisbon Portela Airport flight, few things top the convenience of being close to the terminal. Pick up your bags from the carousel and then be resting shortly after at one of these hotels near LIS:
Pick up a Lisbon Portela Airport rental car and explore Lisbon and beyond with your own set of wheels. Klass Wagen, Goldcar and OK Mobility are leading providers you can book with here.
Booking your ride from Lisbon Portela Airport around two weeks in advance can help you get the lowest rate.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

Lisbon Portela Airport is approximately 10 kilometers from central Lisbon. Driving there takes about 20 minutes.
Traveling to the center on public transport will take you around 1 hour.

When to fly to Lisbon Portela Airport (LIS)

It's time to pick your trip dates for your flight from Keflavik International Airport to Lisbon Portela Airport. June is the busiest month to head to Lisbon. If you want a more relaxed vibe, go in January.
The warmest month in Lisbon is August, with the temperature ranging between 16ºC (61ºF) and 29ºC (84ºF). Book your flights from Keflavik International Airport to Lisbon Portela Airport in this month if this is the kind of weather you like.
If you want cooler conditions, look for a cheap ticket from KEF to LIS in January. Temperatures average between 8ºC (46ºF) and 16ºC (61ºF) then.

Explore more of Portugal

Lisbon has its own special appeal, but there are so many other corners of Portugal just waiting to be discovered. Around 274 kilometers north of Lisbon, a visit to Porto will fill your itinerary to the brim. Start with popular sights like Livraria Lello, Ribeira District and The Douro River.
Amadora is another sought-after destination in Portugal and is around 8 kilometers north-west of Lisbon. No journey is complete without visiting Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.