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$112+ Cheap flights from Keflavik Intl (KEF) to Dublin (DUB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — DUB
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Dublin (DUB). 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 August 14, 2025.

Round-trip from

$171
(Mytrip)

One-way from

$112
(Mytrip)

Popular in

August

Cheapest in

March

Average price

$259

Good round-trip deal

$217 or less

Good one-way deal

$132 or less
From Reykjavik Keflavik Intl to Dublin
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One-way flight from Reykjavik Keflavik Intl to Dublin
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Highest demand for flights based on searches. 7% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Dublin.
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Price to beat on a one-way flight from Reykjavik Keflavik Intl to Dublin.
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Find flight deals from Keflavik Intl to Dublin

Cheapest flights from Keflavik Intl to Dublin
Explore the most affordable flight options available from Keflavik Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:30 amKEF - DUB
Nonstop2h 35mPLAY
Sun 9/2111:35 amDUB - KEF
Nonstop2h 40mPLAY
Deal found 8/13$171
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:35 amKEF - DUB
Nonstop2h 35mPLAY
Sun 9/2111:35 amDUB - KEF
Nonstop2h 40mPLAY
Deal found 8/13$177
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:35 amKEF - DUB
Nonstop2h 35mPLAY
Thu 9/1811:35 amDUB - KEF
Nonstop2h 40mPLAY
Deal found 8/14$183
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:45 amKEF - DUB
Nonstop2h 35mPLAY
Sun 10/511:35 amDUB - KEF
Nonstop2h 40mPLAY
Deal found 8/14$185
This PLAY deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:25 amKEF - DUB
Nonstop2h 35mPLAY
Fri 9/1211:35 amDUB - KEF
Nonstop2h 40mPLAY
Deal found 8/12$188
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:40 amKEF - DUB
Nonstop2h 35mPLAY
Sun 8/3111:35 amDUB - KEF
Nonstop2h 40mPLAY
Deal found 8/13$203
This Booking.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:35 amKEF - DUB
Nonstop2h 35mMultiple Airlines
Thu 9/1812:20 pmDUB - KEF
1 stop19h 45mMultiple Airlines
Deal found 8/14$212
This KLM deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:00 pmKEF - DUB
1 stop12h 20mKLM
Sun 9/215:55 amDUB - KEF
1 stop14h 15mKLM
Deal found 8/14$216
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:30 amKEF - DUB
1 stop6h 55mMultiple Airlines
Mon 11/247:40 amDUB - KEF
1 stop11h 05mMultiple Airlines
Deal found 8/13$219
This Booking.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:45 amKEF - DUB
Nonstop2h 35mPLAY
Mon 9/811:35 amDUB - KEF
Nonstop2h 40mPLAY
Deal found 8/12$223

Cheapflights Fare Finder

 
Customize your flight search to find flights from Keflavik Intl to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Dublin that are best for you.

Fly from

Keflavik Intl

Fly to

Dublin

Route

Depart

Return

Price

ReykjavikDublin

KEF - DUB

KEFDUB

Reykjavik Keflavik Intl

Sat 9/20

6:30 am-10:05 am

Nonstop2h 35m

Dublin

Sun 9/21

11:35 am-1:15 pm

Nonstop2h 40m

$171

ReykjavikDublin

KEF - DUB

KEFDUB

Reykjavik Keflavik Intl

Thu 9/18

6:35 am-10:10 am

Nonstop2h 35m

Dublin

Sun 9/21

11:35 am-1:15 pm

Nonstop2h 40m

$177

ReykjavikDublin

KEF - DUB

KEFDUB

Reykjavik Keflavik Intl

Thu 9/11

6:35 am-10:10 am

Nonstop2h 35m

Dublin

Thu 9/18

11:35 am-1:15 pm

Nonstop2h 40m

$183

ReykjavikDublin

KEF - DUB

KEFDUB

Reykjavik Keflavik Intl

Sun 9/28

6:45 am-10:20 am

Nonstop2h 35m

Dublin

Sun 10/5

11:35 am-1:15 pm

Nonstop2h 40m

$185

ReykjavikDublin

KEF - DUB

KEFDUB

Reykjavik Keflavik Intl

Fri 9/5

6:25 am-10:00 am

Nonstop2h 35m

Dublin

Fri 9/12

11:35 am-1:15 pm

Nonstop2h 40m

$188

ReykjavikDublin

KEF - DUB

KEFDUB

Reykjavik Keflavik Intl

Thu 9/11

6:35 am-10:10 am

Nonstop2h 35m

Dublin

Thu 9/18

12:20 pm-7:05 am

1 stop19h 45m

$212

ReykjavikDublin

KEF - DUB

KEFDUB

Reykjavik Keflavik Intl

Thu 9/18

7:00 pm-8:20 am

1 stop12h 20m

Dublin

Sun 9/21

8:55 am-7:10 pm

1 stop11h 15m

$216

ReykjavikDublin

KEF - DUB

KEFDUB

Reykjavik Keflavik Intl

Wed 11/5

11:30 am-6:25 pm

1 stop6h 55m

Dublin

Mon 11/24

7:40 am-6:45 pm

1 stop11h 05m

$219

ReykjavikDublin

KEF - DUB

KEFDUB

Reykjavik Keflavik Intl

Wed 11/5

11:30 am-6:25 pm

1 stop6h 55m

Dublin

Thu 11/20

10:40 am-6:00 pm

1 stop7h 20m

$219

ReykjavikDublin

KEF - DUB

KEFDUB

Reykjavik Keflavik Intl

Tue 9/30

7:25 pm-11:15 am

2 stops14h 50m

$112

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 20 results
1
2

Best time to book a flight from Keflavik Intl to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Keflavik Intl 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 Reykjavik Keflavik Intl Airport to Dublin

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

Currently, November is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Dublin (average of $509). Flying from Reykjavik Keflavik Intl Airport to Dublin in June is currently the most expensive (average of $925). 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 KEF to DUB?

Find hourly flight availability from Keflavik Intl to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

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

How much does it cost to fly round-trip from Reykjavik Keflavik Intl Airport to Dublin?

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with Icelandair and PLAY from Reykjavik Keflavik Intl Airport to Dublin 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
526 reviews

Food

6.2

Comfort

6.9

Overall

7.0

Entertainment

7.0

Crew

8.0

Boarding

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
Icelandair
7.0
Good
526 reviews
Icelandair
7.0
Good
526 reviews

Food

6.2

Comfort

6.9

Overall

7.0

Entertainment

7.0

Crew

8.0

Boarding

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
PLAY
7.0
Good
103 reviews
Icelandair
7.0
Good
526 reviews

Food

6.2

Comfort

6.9

Overall

7.0

Entertainment

7.0

Crew

8.0

Boarding

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to Dublin. 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 into for flights to Dublin from Reykjavik Keflavik Intl?

    Most people fly into Dublin (DUB) if they book a flight to Dublin from Reykjavik Keflavik Intl. On average, Dublin has 1 inbound flight from Reykjavik Keflavik Intl per day from 2 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

  • What are the cheapest airlines flying from Reykjavik Keflavik Intl Airport to Dublin round-trip?

    Cheapflights users have booked flights from Reykjavik Keflavik Intl Airport to Dublin round-trip from $137. Another airline that can offer you cheap pricing is Icelandair. PLAY is currently priced 30% below the average price you’ll pay for this route.

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

    Before booking your flight to Dublin from Reykjavik Keflavik Intl Airport, check out the most reliable airlines to get you to your destination on time: PLAY (100%), Emirates (89%), Icelandair( 89%).

  • What are the cheapest flights from Reykjavik Keflavik Intl Airport to Dublin?

    Looking at all options, your cheapest flight can be booked for $122. While the most popular route (Reykjavik Keflavik Intl - Dublin) can be booked for $186 on average our data indicates $218 when flying from Reykjavik Keflavik Intl Airport to Dublin.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Dublin (average of $509). Flying from Reykjavik Keflavik Intl Airport to Dublin in June is currently the most expensive (average of $925). 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 Dublin?

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Maynooth
Castleknock
Swords
Wicklow
Leixlip

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Top 2 airlines flying from Keflavik Intl to Dublin

Discover the top 2 airlines that operate flights from Keflavik Intl to Dublin. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$137Average$188FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$225Average$314FlexibilityNo cancel feeOn-time76%

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