$94 Cheap Flights from Reykjavik (KEF) to Dublin (DUB)

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Find available prices by choosing your travel dates.

Cheap Flights from Reykjavik to Dublin (KEF-DUB)

Prices were available within the past 7 days and start at $94 for one-way flights and $143 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fly Play
Fly Play
Fly Play
Fly Play
Fly Play
Fly Play
Scandinavian Airlines
Icelandair
Lufthansa
British Airways
Flights from Reykjavik (KEF) to Dublin (DUB)
Origin airport
Keflavik Intl.
Destination airport
Dublin
Airlines serving
British Airways, Eurowings, Fly Play, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, World Ticket Ltd
Roundtrip price
$143
Distance
931 mi

Reykjavik to Dublin Flights

The cheapest times to fly from Reykjavik to Dublin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Reykjavik to Dublin are during the month of June. You can find some of the cheapest flights from Reykjavik to Dublin with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Reykjavik to Dublin

Sunday is one of the best days to book for cheap flights from Reykjavik to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Reykjavik to Dublin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Reykjavik to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $94 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Reykjavik to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Reykjavik to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB) cost?
You can score cheap return fares from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB) starting from $143. Grab your seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Fly Play flight leaving KEF on May 16 2025 and touching down at DUB. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from KEF to DUB?
The cheapest flights from KEF to DUB are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB)?
Take a nonstop flight with Icelandair and go straight from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB).
What is the cheapest airline that flies from KEF to DUB?
With tickets starting at $94 for a one-way flight from KEF to DUB, Fly Play is currently the cheapest carrier flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KEF on June 4 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB)?
On average, just 1 nonstop flight departs daily from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB). Looking for more options? Use Expedia’s filter tool to discover flights with layovers and add an extra destination to your journey.
What are the most popular departure times for flights from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB)?
More travelers fly between KEF and DUB at 7 AM than at any other time of day. Rather skip the crowds? Try choosing a quieter departure window and you could save on your ticket as well.
What day of the week has the most flights from KEF to DUB?
If you fly on a Friday, you’ll get the widest range of choices for flights from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB).
What is the earliest flight from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB)?
Keflavik Intl. Airport (KEF)’s earliest flight to Dublin Airport (DUB) leaves at approximately 7:00AM UTC+0. With a total travel time of 2h 40m, you’ll touch down at around 9:40AM UTC+0.
How long does it take to fly from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB)?
The average flight time from KEF to DUB is 2 hours and 37 minutes, covering a total distance of 930 mi.
What airline has the least delays from KEF to DUB?
Icelandair has the best performance for on-time direct flights from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB), with an on-time rating of 84%. Use the Expedia App to view your flight status before you jet off and get real-time alerts about any trip changes.
What is the best time to fly from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB)?
Choose a flight from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Dublin from Keflavik Intl. Airport (KEF)?
Dublin Airport (DUB) is the only airport in Dublin with direct flights from Keflavik Intl. Airport (KEF). Compare your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB) last-minute?
Last-minute bookings from KEF to DUB are typically more expensive. To lock in the lowest prices, start searching for flights early. That said, if you’re flexible with your travel plans, it’s possible to score a cheap fare right before you leave.
Is it cheaper to book a KEF to DUB flight and hotel package?
You’ll generally save money by booking a KEF to DUB flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one place. After choosing your ideal accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Keflavik Intl. Airport (KEF) to Dublin Airport (DUB)?
It’s generally possible to cancel or reschedule your KEF to DUB flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find further details on our Customer Service portal.
*Available to One Key members.