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Cheap flights from Northern Ireland to Reykjavik Keflavik Intl Airport from £90

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — KEF
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

£90
easyJet
  • easyJet
  • 3/11-13/11
  • 2 total stops
  • 27h 40m total
  • Northern Ireland to Reykjavik
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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 16 September 2025.

Mon 3/1121:00BFS - KEF
1 stop13h 15measyJet
Thu 13/1117:55KEF - BFS
1 stop14h 25measyJet
Deal found 14/9£90
Thu 27/1107:05BFS - KEF
1 stop10h 55measyJet
Wed 3/1211:55KEF - BFS
1 stop8h 20measyJet
Deal found 15/9£107
Tue 25/1116:50BFS - KEF
1 stop18h 25measyJet
Wed 3/1211:55KEF - BFS
1 stop8h 20measyJet
Deal found 15/9£117
Mon 3/1110:05BHD - KEF
1 stop8h 40measyJet
Thu 13/1110:00KEF - BHD
1 stop9h 20measyJet
Deal found 14/9£125
Sun 30/1107:30BFS - KEF
1 stop11h 10measyJet
Wed 3/1211:55KEF - BFS
1 stop8h 20measyJet
Deal found 15/9£127
Thu 18/1208:50BFS - KEF
1 stop8h 25measyJet
Tue 23/1217:05KEF - BFS
1 stop14h 45measyJet
Deal found 14/9£131
Thu 18/1208:50BFS - KEF
1 stop8h 25measyJet
Sun 21/1209:35KEF - BFS
1 stop7h 00measyJet
Deal found 14/9£138
Wed 26/1106:30BFS - KEF
1 stop10h 45measyJet
Wed 3/1211:55KEF - BFS
1 stop8h 20measyJet
Deal found 15/9£138
Mon 24/1110:05BHD - KEF
1 stop8h 40measyJet
Wed 3/1218:05KEF - BHD
1 stop25h 00measyJet
Deal found 15/9£141
Fri 28/1113:10BFS - KEF
1 stop5h 55measyJet
Wed 3/1211:55KEF - BFS
1 stop8h 20measyJet
Deal found 15/9£152
Thu 30/1008:50BFS - KEF
1 stop8h 25measyJet
Thu 6/1117:55KEF - BFS
1 stop14h 25measyJet
Deal found 15/9£153
Sat 29/1112:45BFS - KEF
1 stop7h 35mMultiple Airlines
Wed 3/1211:55KEF - BFS
1 stop8h 20mMultiple Airlines
Deal found 15/9£160

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 16 September 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 27/11

07:05-18:00

1 stop10h 55m

Reykjavik Keflavik Intl

Wed 3/12

11:55-20:15

1 stop8h 20m

£107

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 25/11

16:50-11:15

1 stop18h 25m

Reykjavik Keflavik Intl

Wed 3/12

11:55-20:15

1 stop8h 20m

£117

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Mon 3/11

10:05-18:45

1 stop8h 40m

Reykjavik Keflavik Intl

Thu 13/11

10:00-19:20

1 stop9h 20m

£125

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 12/12

06:30-18:20

1 stop11h 50m

Reykjavik Keflavik Intl

Tue 16/12

17:05-12:20

1 stop19h 15m

£127

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 18/12

08:50-17:15

1 stop8h 25m

Reykjavik Keflavik Intl

Tue 23/12

17:05-07:50

1 stop14h 45m

£131

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 18/12

08:50-17:15

1 stop8h 25m

Reykjavik Keflavik Intl

Sun 21/12

09:35-16:35

1 stop7h 00m

£138

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 26/11

06:30-17:15

1 stop10h 45m

Reykjavik Keflavik Intl

Wed 3/12

11:55-20:15

1 stop8h 20m

£138

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 28/11

13:10-19:05

1 stop5h 55m

Reykjavik Keflavik Intl

Wed 3/12

11:55-20:15

1 stop8h 20m

£152

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 30/10

08:50-17:15

1 stop8h 25m

Reykjavik Keflavik Intl

Thu 6/11

17:55-08:20

1 stop14h 25m

£153

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 24/2

08:50-16:25

1 stop7h 35m

Reykjavik Keflavik Intl

Mon 2/3

11:55-20:30

1 stop8h 35m

£154

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 26 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 16 September 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 10h 55m. easyJet provides one of the quickest options available for as low as £107. 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

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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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£123Average£148FlexibilityNo 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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