HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

Cheap flights from Dublin (DUB) to Keflavik Intl (KEF)

DUB — KEF
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dublin to Keflavik Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Dublin to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

October

Cheapest in

September

Average price

$461

Good round-trip deal

$397 or less

Good one-way deal

$453 or less
Provider with most accurate pricing for Dublin-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dublin-Reykjavik Keflavik Intl flights.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Dublin to Reykjavik Keflavik Intl.
Search Deals
Price to beat on a one-way flight from Dublin to Reykjavik Keflavik Intl.
Search Deals
  • Most accurate provider: When it comes to deals on Dublin-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-Reykjavik Keflavik Intl Airport 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 Dublin-Reykjavik Keflavik Intl Airport 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 Dublin to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Dublin with our price prediction graph.
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 Dublin to Reykjavik Keflavik Intl Airport

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

Currently, September is the cheapest month in which you can book a flight from Dublin to Reykjavik Keflavik Intl Airport (average of $205). Flying from Dublin to Reykjavik Keflavik Intl Airport in October is currently the most expensive (average of $729). 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.

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

Find hourly flight availability from Dublin to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 26, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to Reykjavik Keflavik Intl Airport as you normally would.

The best insider tips for Dublin to Reykjavik Keflavik Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Dublin to Reykjavik Keflavik Intl Airport trip
Our travel experts
Victoria M. Walker

Victoria M. Walker

Expert on PLAY

Victoria M. Walker is an award-winning travel reporter who writes the “Carrying On” newsletter. Victoria writes about airlines and hotels and fell in love with travel after her first flight in 2014. She was raised in Virginia and is based in Brooklyn, NY. She is interested in finding the best pizza and coffee in every city she visits.

Read more
Bill Fink

Bill Fink

Expert on Icelandair

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Read more

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated July 26, 2026.
Get a feel of what it's like to fly with Icelandair from Dublin to Reykjavik Keflavik Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
716 reviews

Boarding

7.2

Crew

8.0

Comfort

6.9

Food

6.1

Entertainment

6.9

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Izabela,Jun 2026

GLA - KEF

It was all ok for the money. It was as good as this type of flight can be. The stuff was excellent and the planes were modern. I'd fly with them again no problem.
Icelandair
7.0
Good
716 reviews
Icelandair
7.0
Good
716 reviews

Boarding

7.2

Crew

8.0

Comfort

6.9

Food

6.1

Entertainment

6.9

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Izabela,Jun 2026

GLA - KEF

It was all ok for the money. It was as good as this type of flight can be. The stuff was excellent and the planes were modern. I'd fly with them again no problem.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Dublin to Reykjavik Keflavik Intl?

    If you book a flight to Reykjavik Keflavik Intl from Dublin, you will be flying from Dublin, which is the city’s only airport. Dublin (DUB) is located 5.7 mi from the center of Dublin. There are 2 flights from Dublin to Reykjavik Keflavik Intl per day from 1 airline.

  • What is the cheapest airline to fly from Dublin to Reykjavik Keflavik Intl Airport round-trip?

    According to our current data, Icelandair ($265), offers the cheapest pricing from Dublin to Reykjavik Keflavik Intl Airport. Icelandair is currently priced 30% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Dublin to Reykjavik Keflavik Intl Airport?

    The top 3 most reliable airlines when flying from Dublin to Reykjavik Keflavik Intl Airport are TAP AIR PORTUGAL (85%), Icelandair (83%) and Emirates (83%).

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

    Yes. In addition to deals on Dublin to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Keflavik Intl.

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

    Yes. Cheapflights offers flight deals from Dublin to Keflavik Intl 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 Dublin to Reykjavik Keflavik Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Dublin to Reykjavik Keflavik Intl Airport (average of $205). Flying from Dublin to Reykjavik Keflavik Intl Airport in October is currently the most expensive (average of $729). 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.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Dublin to Keflavik Intl

Discover the top airline that operate flights from Dublin to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$265Average$387FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.