The cheapest times to fly from KEF to DUB are

  • May 14th to June 3rd
  • September 3rd to September 16th
  • October 22nd to March 25th (except the weeks of December 17th and January 1st)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from KEF to DUB is late November to early December. Prices can be as high as $1345 for Monday flights during mid December, or as low as $178 for Thursday flights around late November to early December.


When to Fly to Dublin

Flying from Keflavik/Reykjavik (KEF) to Dublin (DUB) will usually cost between $202 to $410 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late November to early December with an average ticket price of $216. Due to high demand the most expensive time to fly is mid December, with an average price of $456. Planning your trip to low-cost times can easily save you $239 on economy flights and even more on first-class flights. Generally, any price below $260 can be considered a good price for a round-trip KEF to DUB flight.

See below for a graph of average weekly prices for the KEF to DUB route. All prices are for round-trip tickets in USD.

KEF to DUB Flight Prices

Compared to other flights, the KEF to DUB flight is much cheaper than the average and costs much less than the average flight leaving from Reykjavík. The average price per mile (for a direct flight) is $0.17, which is below average.


Flight Prices by Day of the Week

Thursday is usually the cheapest day to depart and return on this flight. Mondays are the most expensive days to fly to Dublin, and Sundays are the most expensive days to return to Reykjavík. Selecting flights on the least expensive days could save you up to $96 (27%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Thursday and returning a week later will cost an average of $245. Return trip prices are from the DUB to KEF flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from KEF to DUB can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 39 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from KEF to DUB while comparing.

Destination alternative #1: Belfast Aldergrove Airport (BFS) in Belfast

  • 85 miles (137 km) away from DUB
  • Usually 16.92% less expensive than DUB
  • Nonstop flights available

See KEF to BFS flights


Flight Questions Answered

Still have questions about flying from KEF to DUB? We’ve got answers.

Which airlines fly this route?

You can find 20 major airlines flying this route most often: Aer Lingus, Air Baltic, Austrian, British Airways, CSA, Eurowings, Finnair, Iberia, Iberia Express, Icelandair, JAL, KLM, Lufthansa, Norwegian, Norwegian Air International, SAS, Singapore Airlines, Transavia, Vueling, Wizz Air, and potentially more during busy seasons.

How far away is it from Dublin Airport to Keflavik International Airport?

The distance between the two airports is roughly 930 miles or 1497 kilometers.

How long does it take to fly from KEF to DUB?

The real-world flight time for a nonstop KEF to DUB flight is about 2 hour 39 minutes.

How many flights go between Keflavik/Reykjavik and Dublin?

It depends on the day of the week and the date, but a typical day might have around 35 available flights from KEF to DUB.


Airport Location Info


Departing Airport

Origination codeKEF
Origination airport nameKeflavik International Airport

Return Airport

Destination codeDUB
Destination airport nameDublin Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.