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Cheap flights from Northern Ireland to Reykjavik Keflavik Intl Airport from £56

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 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — KEF
31 Aug — 7 Sep1
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 26 August 2025.

Round-trip from

£96

One-way from

£56
easyJet
  • easyJet
  • 17/11-20/11
  • 2 total stops
  • 28h 10m total
  • Northern Ireland to Reykjavik
Search Deals
easyJet
  • easyJet
  • 14/11
  • 1 total stop
  • 12h 05m 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 26 August 2025.

Mon 17/1121:05BFS - KEF
1 stop13h 10measyJet
Thu 20/1117:20KEF - BFS
1 stop15h 00measyJet
Deal found 25/8£96
Tue 25/1108:50BFS - KEF
1 stop7h 35measyJet
Thu 27/1117:20KEF - BFS
1 stop15h 00measyJet
Deal found 25/8£103
Mon 17/1110:05BHD - KEF
1 stop8h 40measyJet
Thu 20/1110:30KEF - BHD
1 stop8h 50measyJet
Deal found 25/8£110
Sun 21/1207:30BFS - KEF
1 stop11h 10measyJet
Tue 30/1217:05KEF - BFS
1 stop14h 45measyJet
Deal found 24/8£116
Fri 17/1021:20BFS - KEF
1 stop11h 30measyJet
Mon 20/1009:35KEF - BFS
1 stop6h 50measyJet
Deal found 24/8£122
Tue 14/1006:45BFS - KEF
1 stop8h 00mMultiple Airlines
Thu 16/1006:40KEF - BFS
1 stop15h 30mMultiple Airlines
Deal found 25/8£129
Tue 25/1111:05BHD - KEF
1 stop6h 40mMultiple Airlines
Thu 27/1110:05KEF - BHD
1 stop6h 00mMultiple Airlines
Deal found 25/8£180
Sun 21/1214:45BHD - KEF
1 stop28h 00measyJet
Tue 30/1212:20KEF - BHD
1 stop8h 10measyJet
Deal found 24/8£187
Mon 22/919:10BFS - KEF
1 stop19h 35mMultiple Airlines
Mon 29/909:35KEF - BFS
1 stop10h 30mMultiple Airlines
Deal found 25/8£204
Sun 21/922:55BFS - KEF
1 stop11h 00mMultiple Airlines
Sun 28/918:55KEF - BFS
2 stops16h 15mMultiple Airlines
Deal found 24/8£209
Mon 17/1110:40BFS - KEF
1 stop8h 25mMultiple Airlines
Thu 20/1112:05KEF - BFS
2 stops10h 15mMultiple Airlines
Deal found 25/8£222
Sun 21/1211:05BHD - KEF
1 stop7h 35mMultiple Airlines
Tue 30/1218:35KEF - BHD
2 stops17h 40mMultiple Airlines
Deal found 24/8£261

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 26 August 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

Mon 17/11

21:05-10:15

1 stop13h 10m

Reykjavik Keflavik Intl

Thu 20/11

17:20-08:20

1 stop15h 00m

£96

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 25/11

08:50-16:25

1 stop7h 35m

Reykjavik Keflavik Intl

Thu 27/11

17:20-08:20

1 stop15h 00m

£103

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Mon 17/11

10:05-18:45

1 stop8h 40m

Reykjavik Keflavik Intl

Thu 20/11

10:30-19:20

1 stop8h 50m

£110

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sun 21/12

07:30-18:40

1 stop11h 10m

Reykjavik Keflavik Intl

Tue 30/12

17:05-07:50

1 stop14h 45m

£116

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 17/10

21:20-07:50

1 stop11h 30m

Reykjavik Keflavik Intl

Mon 20/10

09:35-17:25

1 stop6h 50m

£122

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 14/10

06:45-13:45

1 stop8h 00m

Reykjavik Keflavik Intl

Thu 16/10

06:40-23:10

1 stop15h 30m

£129

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Tue 25/11

11:05-17:45

1 stop6h 40m

Reykjavik Keflavik Intl

Thu 27/11

10:05-16:05

1 stop6h 00m

£180

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 17/10

21:45-18:45

2 stops22h 00m

Reykjavik Keflavik Intl

Mon 20/10

09:35-23:20

1 stop12h 45m

£187

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Sun 21/12

14:45-18:45

1 stop28h 00m

Reykjavik Keflavik Intl

Tue 30/12

12:20-20:30

1 stop8h 10m

£187

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 22/9

19:10-13:45

1 stop19h 35m

Reykjavik Keflavik Intl

Mon 29/9

09:35-21:05

1 stop10h 30m

£204

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 21 results
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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 26 August 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.

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.

  • How long is the flight from Northern Ireland to Reykjavik Keflavik Intl Airport?

    A quick flight from Northern Ireland to Reykjavik Keflavik Intl Airport can take about 13h 10m. easyJet provides one of the quickest options available for as low as £96. The distance between Northern Ireland and Reykjavik Keflavik Intl Airport is about 860 mi.

  • 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 Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport 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 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£124Average£149FlexibilityNo cancel feeOn-time86%
Search easyJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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