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Cheap flights from Northern Ireland to Reykjavik Keflavik Intl Airport from £58

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — KEF
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Keflavik Intl

Enter your travel dates to find the best prices.

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 5 December 2025.

Tue 30/1219:35BFS - KEF
2 stops28h 40mMultiple Airlines
Tue 6/118:35KEF - BFS
2 stops23h 20mMultiple Airlines
Deal found 2/12£299
Tue 30/1206:00BFS - KEF
1 stop29h 15measyJet
Tue 6/118:30KEF - BFS
1 stop13h 10measyJet
Deal found 2/12£384
Tue 30/1218:05BHD - KEF
3 stops40h 40mMultiple Airlines
Tue 6/118:35KEF - BHD
2 stops16h 20mMultiple Airlines
Deal found 2/12£423
Sun 28/1212:00BHD - KEF
2 stops46h 55mBritish Airways
Fri 2/118:10KEF - BHD
1 stop16h 20mBritish Airways
Deal found 2/12£1,075

Find 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 5 December 2025.

Round-trip from

£126

One-way from

£58
easyJet
  • easyJet
  • 30/1-3/2
  • 2 total stops
  • 36h 05m total
  • Northern Ireland to Reykjavik
Search Deals
easyJet
  • easyJet
  • 14/1
  • 1 total stop
  • 10h 05m total
  • Northern Ireland to Reykjavik
Search Deals

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 5 December 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

Fri 30/1

19:15-10:05

1 stop14h 50m

Reykjavik Keflavik Intl

Tue 3/2

11:05-08:20

1 stop21h 15m

£126

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Sat 24/1

16:45-09:15

1 stop16h 30m

Reykjavik Keflavik Intl

Wed 28/1

18:05-19:00

1 stop24h 55m

£126

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 9/2

21:00-10:15

1 stop13h 15m

Reykjavik Keflavik Intl

Fri 13/2

09:50-22:20

1 stop12h 30m

£127

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 24/1

17:55-09:25

1 stop15h 30m

Reykjavik Keflavik Intl

Wed 28/1

18:05-10:05

1 stop16h 00m

£130

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 16/1

19:15-10:05

1 stop14h 50m

Reykjavik Keflavik Intl

Fri 23/1

19:15-10:05

1 stop14h 50m

£133

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sun 15/3

07:30-18:40

1 stop11h 10m

Reykjavik Keflavik Intl

Sun 29/3

08:55-16:35

1 stop6h 40m

£136

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 25/2

08:20-18:25

1 stop10h 05m

Reykjavik Keflavik Intl

Sat 28/2

11:05-20:30

1 stop9h 25m

£138

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 4/2

08:20-18:25

1 stop10h 05m

Reykjavik Keflavik Intl

Sat 7/2

11:05-20:30

1 stop9h 25m

£138

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Wed 25/2

16:50-09:15

1 stop16h 25m

Reykjavik Keflavik Intl

Sat 28/2

18:35-13:35

1 stop19h 00m

£142

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 20/4

20:15-08:15

1 stop13h 00m

Reykjavik Keflavik Intl

Wed 29/4

08:15-19:50

1 stop10h 35m

£145

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 27 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 5 December 2025.

A simple way to save on the total cost of your ticket is to fly from Northern Ireland to Reykjavik Keflavik Intl Airport at midday. If you’re flexible enough to do this you can expect to save up to 64% on your trip compared to booking a flight in the afternoon.

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 14h 50m. easyJet provides one of the quickest options available for as low as £126. 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.

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

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Alternative routes for Northern Ireland to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Doncaster to Keflavik Intl flights
Newquay to Keflavik Intl 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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