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Cheap flights from Northern Ireland to Reykjavik Keflavik Intl Airport from £72

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — KEF
4 Jun — 11 Jun1
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 May 2026.

Fri 8/519:20
BFS
-
KEF
1 stop13h 30m
Multiple Airlines
Fri 15/509:05
KEF
-
BFS
2 stops12h 55m
Multiple Airlines
Deal found 1/5£198
Mon 15/607:00
BFS
-
KEF
1 stop13h 50m
easyJet
Mon 22/620:30
KEF
-
BFS
1 stop9h 55m
easyJet
Deal found 1/5£216
Wed 14/1008:55
BFS
-
KEF
2 stops24h 25m
Multiple Airlines
Sun 18/1019:35
KEF
-
BFS
2 stops25h 55m
Multiple Airlines
Deal found 4/5£221
Tue 16/620:10
BFS
-
KEF
2 stops24h 05m
Multiple Airlines
Tue 23/619:20
KEF
-
BFS
2 stops27h 00m
Multiple Airlines
Deal found 1/5£223
Mon 15/618:50
BFS
-
KEF
2 stops24h 35m
Multiple Airlines
Mon 22/618:25
KEF
-
BFS
2 stops20h 50m
Multiple Airlines
Deal found 1/5£231
Wed 14/1012:45
BHD
-
KEF
2 stops20h 35m
Multiple Airlines
Sun 18/1019:35
KEF
-
BHD
2 stops14h 40m
Multiple Airlines
Deal found 4/5£258
Sat 1/817:10
BHD
-
KEF
1 stop16h 05m
easyJet
Thu 6/808:45
KEF
-
BHD
1 stop5h 45m
easyJet
Deal found 4/5£274
Wed 14/1017:30
BHD
-
KEF
1 stop25h 45m
KLM
Sun 18/1019:15
KEF
-
BHD
1 stop13h 05m
KLM
Deal found 4/5£315
Sat 26/1218:00
BHD
-
KEF
1 stop16h 40m
British Airways
Wed 6/111:50
KEF
-
BHD
1 stop6h 50m
British Airways
Deal found 2/5£332
Fri 8/518:30
BHD
-
KEF
1 stop14h 20m
Multiple Airlines
Fri 15/517:35
KEF
-
BHD
2 stops19h 40m
Multiple Airlines
Deal found 1/5£336
Sat 26/1209:50
BHD
-
KEF
1 stop4h 30m
Multiple Airlines
Wed 6/118:20
KEF
-
BHD
2 stops25h 00m
Multiple Airlines
Deal found 2/5£347
Fri 8/519:35
BHD
-
KEF
1 stop14h 50m
British Airways
Fri 15/510:30
KEF
-
BHD
1 stop7h 55m
British Airways
Deal found 1/5£350

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 May 2026.

Round-trip from

£216

One-way from

£72
easyJet
  • easyJet
  • 15/6-22/6
  • 2 total stops
  • 23h 45m total
  • Northern Ireland to Reykjavik
Search Deals
12/9
  • 12/9
  • 1 total stop
  • 23h 45m 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 May 2026.
Use the filters below to find and compare flights from Northern Ireland to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 15/6

07:00-19:50

1 stop13h 50m

Reykjavik Keflavik Intl

Mon 22/6

20:30-07:25

1 stop9h 55m

£216

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 16/6

20:10-19:15

2 stops24h 05m

Reykjavik Keflavik Intl

Tue 23/6

19:20-23:20

2 stops27h 00m

£223

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 15/6

18:50-18:25

2 stops24h 35m

Reykjavik Keflavik Intl

Mon 22/6

18:25-16:15

2 stops20h 50m

£231

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 14/10

08:55-08:20

2 stops24h 25m

Reykjavik Keflavik Intl

Sun 18/10

11:25-20:40

1 stop8h 15m

£262

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Sat 1/8

17:10-08:15

1 stop16h 05m

Reykjavik Keflavik Intl

Thu 6/8

08:45-15:30

1 stop5h 45m

£274
Fastest return journey

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 16/6

21:10-07:40

1 stop11h 30m

Reykjavik Keflavik Intl

Tue 23/6

08:40-17:50

1 stop8h 10m

£278

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 14/10

21:50-08:05

1 stop11h 15m

Reykjavik Keflavik Intl

Sun 18/10

09:10-21:30

1 stop11h 20m

£288

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Wed 14/10

18:20-08:05

1 stop14h 45m

Reykjavik Keflavik Intl

Sun 18/10

19:35-11:15

2 stops14h 40m

£295

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Wed 14/10

17:30-18:15

1 stop25h 45m

Reykjavik Keflavik Intl

Sun 18/10

19:15-09:20

1 stop13h 05m

£315

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Sat 1/8

17:10-18:20

3 stops26h 10m

Reykjavik Keflavik Intl

Thu 6/8

08:45-15:30

1 stop5h 45m

£427

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 26 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 50m. easyJet provides one of the quickest options available for as low as £216. 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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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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