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Cheap flights from Northern Ireland to Reykjavik Keflavik Intl Airport from £76

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — KEF
16 Jul — 23 Jul1
1 adult

Cheap flight deals from Northern Ireland to Keflavik Intl

Keep the following information in mind while searching for Northern Ireland to Keflavik Intl flight deals. Data was last updated 11 July 2025.

Round-trip from

£199

One-way from

£76
easyJet
  • easyJet
  • 12/8-16/8
  • 2 total stops
  • 33h 30m total
  • Northern Ireland to Reykjavik
Search Deals
easyJet
  • easyJet
  • 17/9
  • 1 total stop
  • 11h 25m total
  • Northern Ireland to Reykjavik
Search Deals

Find flight deals from Northern Ireland to Keflavik Intl

Cheapest flights from Northern Ireland to Keflavik Intl
Explore the most affordable flight options available from Northern Ireland to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Tue 12/822:25BFS - KEF
1 stop10h 00measyJet
Sat 16/808:30KEF - BFS
1 stop23h 30measyJet
Deal found 9/7£199
Mon 25/823:45BFS - KEF
2 stops15h 00mMultiple Airlines
Mon 1/909:35KEF - BFS
1 stop5h 20mMultiple Airlines
Deal found 10/7£242

Cheapflights Fare Finder

Customise your flight search to find flights from Northern Ireland to Keflavik Intl 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 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from Northern Ireland to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Northern Ireland

Fly to

Keflavik Intl

Route

Depart

Return

Price

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 12/8

22:25-07:25

1 stop10h 00m

Reykjavik Keflavik Intl

Sat 16/8

08:30-09:00

1 stop23h 30m

£199

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 25/8

23:45-13:45

2 stops15h 00m

Reykjavik Keflavik Intl

Mon 1/9

09:35-15:55

1 stop5h 20m

£242

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 17/9

21:50-08:15

1 stop11h 25m

£76

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 15/9

12:35-08:55

1 stop21h 20m

£92

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Tue 16/9

18:50-07:25

1 stop13h 35m

£106

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Thu 18/9

17:25-07:45

1 stop15h 20m

£199

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Fri 18/7

06:35-09:10

1 stop27h 35m

£309

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Sun 27/7

06:50-00:45

2 stops18h 55m

£553

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Best time to book a flight from Northern Ireland to Keflavik Intl

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

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

Find hourly flight availability from Northern Ireland 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 11 July 2025.

When flying from Northern Ireland to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 11 July 2025.
Read reviews from past customers who have flown with KLM, Iberia, andeasyJet from Northern Ireland to Reykjavik Keflavik Intl Airport. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,372 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Iberia
7.0
Good
2,828 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
easyJet
6.9
Okay
1,817 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,109 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland 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 are the cheapest airlines to fly from Northern Ireland to Reykjavik Keflavik Intl Airport one-way?

    To fly one-way, consider booking your trip with easyJet, which is currently one of the cheapest options available, starting at £76. KLM flights start at £199 while deals on British Airways start at £309 one-way.

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

    Yes. In addition to deals on Northern Ireland to Keflavik Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Reykjavik Keflavik Intl Airport (average of £75). Flying from Northern Ireland to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £289). 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

Travelling to a place near Northern Ireland?

Book flights to Northern Ireland if you plan to visit one of these locations
Hveragerdi
Keflavik

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Northern Ireland to Keflavik Intl

Discover the top airline that operate flights from Northern Ireland 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 858,174 searches. Data last updated 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£124Average£146FlexibilityNo cancel feeOn-time86%
Search easyJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Northern Ireland to Keflavik Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Northern Ireland to Keflavik Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Keflavik Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Northern Ireland to Keflavik Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Northern Ireland to Keflavik Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Northern Ireland to Keflavik Intl with no change fees.

Can Cheapflights notify me if prices for flights from Northern Ireland to Keflavik Intl become cheaper?

Yes! Start tracking prices for Northern Ireland to Keflavik Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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