Cheap Flights from San Juan Luis Munoz Marin to Reykjavik Keflavik

Compare San Juan Luis Munoz Marin to Reykjavik Keflavik flight deals

Find the cheapest month or even day of the year to fly to Reykjavik Keflavik

Book the best Reykjavik Keflavik fare with no extra fees

Flight deals from San Juan Luis Munoz Marin Airport to Reykjavik Keflavik Airport

Looking for a cheap last-minute deal or the best return flight from San Juan Luis Munoz Marin Airport to Reykjavik Keflavik Airport? If you want to travel next month, return fares start from R 12,010. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Juan Luis Munoz Marin to Reykjavik Keflavik

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Juan Luis Munoz Marin to Reykjavik Keflavik flights are currently cheapest in April.

San Juan Luis Munoz Marin to Reykjavik Keflavik: Alternative routes

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

San Juan to Reykjavik: Flight information

The things to know before you go.
Cheapest flight foundR 7,347
Cheapest month to flyApril

Finding cheap flights from San Juan Luis Munoz Marin to Reykjavik Keflavik: Frequently asked questions

The best price we found for a return flight from San Juan Luis Munoz Marin to Reykjavik Keflavik is R 11,844. 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.
Currently, there are no airlines that fly direct from San Juan Luis Munoz Marin to Reykjavik Keflavik. But we found flights with one or more stops from R 11,844.
As of March 2026, there are no flights flying from San Juan Luis Munoz Marin to Reykjavik Keflavik.
The cheapest month to fly from San Juan Luis Munoz Marin to Reykjavik Keflavik is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Juan Luis Munoz Marin Airport to Reykjavik Keflavik Airport on Tuesday, 15 September 2026.
No airlines currently offer direct flights between San Juan Luis Munoz Marin Airport and Reykjavik Keflavik Airport. Most routes have one or more stops.
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 Reykjavik Keflavik 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Reykjavik is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Icelandair offers the cheapest flight tickets to Reykjavik Keflavik.

Travelling from Luis Munoz Marin International Airport (SJU) to Keflavik International Airport (KEF): what you need to know

  • Reykjavik is four hours ahead of San Juan and is in the UTC+0 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably board your SJU to KEF flight.

  • You'll likely experience bigger queues during popular months like July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a good idea.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Luis Munoz Marin International Airport to Keflavik International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to visit your chosen city. Worthwhile stopovers between SJU and KEF include:

    • Logan International Airport

    • John F. Kennedy International Airport

    • Pearson International Airport

How to find the cheapest flights from Luis Munoz Marin International Airport (SJU) to Keflavik International Airport (KEF)

  • R 7,347 is currently the best price for a one-way Luis Munoz Marin International Airport to Keflavik International Airport flight. Return flights start at R 11,844. These fares can change depending on availability and demand.

  • It's often best to book early if you want to get cheap tickets from SJU to KEF. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

  • Getting cheap flights from Luis Munoz Marin International Airport to Keflavik International Airport is easy if you're flexible with your dates. Use the 'Whole month' tool to see the best prices across every month and bag a great deal.

  • Save time searching for cheap flights from SJU to KEF by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.

  • Choose your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Luis Munoz Marin International Airport to Keflavik International Airport.

Handy information about Luis Munoz Marin International Airport (SJU)

  • Of all flights departing from Luis Munoz Marin International Airport, 73.65% land on schedule at their destination.

  • To reach Luis Munoz Marin International Airport from central San Juan, it'll take around 10 minutes if you're planning to drive. This depends on traffic though. It's approximately 8 kilometres from the airport to the city centre.

  • Planning to catch public transport? You can expect a journey time of around 55 minutes.

  • Get your journey off to a stress-free start by staying near SJU. Whether you have an early flight from Luis Munoz Marin International Airport to Keflavik International Airport or just don't like being rushed, these hotels have you covered:

Arriving at Keflavik International Airport (KEF)

Getting from Keflavik International Airport (KEF) to central Reykjavik

  • Keflavik International Airport to the centre of Reykjavik has a drive time of about 50 minutes. It's approximately 48 kilometres away.

  • When travelling on public transport, expect a journey time of about 1 hour 15 minutes.

When to fly to Keflavik International Airport (KEF)

  • July is the busiest month for flights from Luis Munoz Marin International Airport to Keflavik International Airport. To steer clear of the crowds, visit Reykjavik in January.

  • The warmest month in Reykjavik is July, with temperatures ranging between 8ºC (46ºF) and 15ºC (59ºF). Lock in your flights from Luis Munoz Marin International Airport to Keflavik International Airport in this month if this is the kind of weather you like.

  • Search for cheap tickets from SJU to KEF in December if you like cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 4ºC (39ºF) on average.

Explore more of Iceland

  • Reykjavik is easy to fall in love with, but there are so many other corners of Iceland you'll want to see. About 5 kilometres south of Reykjavik, a visit to Kópavogur will keep you on the move. Start with leading attractions like Yndisgarðurinn, Fífu parkið and Elliðavatns-stífla.

  • Hafnarfjörður is another favourite destination in Iceland and is around 10 kilometres south of Reykjavik. No trip is complete without experiencing Höfðaskógur forest, Dog relief area in Hafnarfjordur and Víðistaðatún.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.