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Cheap flights from Northern Ireland to Reykjavik Keflavik Intl Airport from £130

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — KEF
17 Jan — 24 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 18 December 2025.

Wed 24/1208:20BFS - KEF
1 stop10h 05measyJet
Wed 31/1219:20KEF - BFS
1 stop13h 10measyJet
Deal found 17/12£299
Thu 18/1208:55BFS - KEF
1 stop8h 20mMultiple Airlines
Sat 27/1210:20KEF - BFS
1 stop28h 20mMultiple Airlines
Deal found 16/12£304
Wed 24/1207:00BFS - KEF
2 stops17h 15mMultiple Airlines
Wed 31/1219:40KEF - BFS
2 stops20h 30mMultiple Airlines
Deal found 17/12£325
Wed 24/1216:50BHD - KEF
2 stops26h 05mMultiple Airlines
Wed 31/1211:05KEF - BHD
1 stop5h 45mMultiple Airlines
Deal found 17/12£342
Thu 18/1211:00BHD - KEF
2 stops46h 40mMultiple Airlines
Sat 27/1207:35KEF - BHD
1 stop13h 25mMultiple Airlines
Deal found 16/12£440
Thu 18/1209:05BHD - KEF
1 stop25h 50mBritish Airways
Sat 27/1211:55KEF - BHD
1 stop20h 20mBritish Airways
Deal found 16/12£457

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 18 December 2025.

Round-trip from

£154
easyJet
  • easyJet
  • 16/1-21/1
  • 2 total stops
  • 29h 15m 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 18 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

Thu 29/1

06:30-17:15

1 stop10h 45m

Reykjavik Keflavik Intl

Thu 5/2

09:25-22:30

1 stop13h 05m

£130

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 16/1

19:15-10:05

1 stop14h 50m

Reykjavik Keflavik Intl

Wed 21/1

19:20-09:45

1 stop14h 25m

£154

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 29/1

06:30-17:15

1 stop10h 45m

Reykjavik Keflavik Intl

Sun 1/2

10:10-19:15

1 stop9h 05m

£167

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 5/2

21:05-09:10

1 stop12h 05m

Reykjavik Keflavik Intl

Sun 8/2

11:10-22:50

1 stop11h 40m

£169

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 21/1

08:20-18:25

1 stop10h 05m

Reykjavik Keflavik Intl

Mon 26/1

12:00-07:55

1 stop19h 55m

£173

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 29/1

06:30-17:15

1 stop10h 45m

Reykjavik Keflavik Intl

Thu 5/2

19:35-13:00

2 stops17h 25m

£173

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 30/1

20:05-18:35

2 stops22h 30m

Reykjavik Keflavik Intl

Fri 6/2

19:40-08:20

1 stop12h 40m

£177

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 31/1

17:55-09:25

1 stop15h 30m

Reykjavik Keflavik Intl

Sat 7/2

11:05-20:30

1 stop9h 25m

£179

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 30/1

19:15-10:05

1 stop14h 50m

Reykjavik Keflavik Intl

Fri 6/2

19:40-08:20

1 stop12h 40m

£186

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 16/1

06:00-09:40

2 stops27h 40m

Reykjavik Keflavik Intl

Wed 21/1

19:20-09:45

1 stop14h 25m

£189

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 16 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 18 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 10h 45m. easyJet provides one of the quickest options available for as low as £130. The distance between Northern Ireland and Reykjavik Keflavik Intl Airport is about 860 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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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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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