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Cheap flights from Northern Ireland to Reykjavik Keflavik Intl Airport from £79

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — KEF
21 Apr — 28 Apr1
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 22 March 2026.

Wed 15/415:40
BFS
-
KEF
1 stop17h 25m
Multiple Airlines
Wed 22/410:15
KEF
-
BFS
1 stop11h 15m
Multiple Airlines
Deal found 18/3£171
Fri 1/519:20
BFS
-
KEF
1 stop13h 30m
Multiple Airlines
Fri 8/509:05
KEF
-
BFS
2 stops12h 55m
Multiple Airlines
Deal found 17/3£190
Mon 2/1110:05
BHD
-
KEF
1 stop8h 40m
easyJet
Sun 8/1109:35
KEF
-
BHD
1 stop5h 40m
easyJet
Deal found 17/3£194
Mon 2/1121:00
BFS
-
KEF
1 stop13h 15m
easyJet
Sun 8/1109:35
KEF
-
BFS
1 stop12h 05m
easyJet
Deal found 17/3£196
Wed 6/521:50
BFS
-
KEF
1 stop11h 15m
easyJet
Wed 13/508:20
KEF
-
BFS
1 stop5h 25m
easyJet
Deal found 21/3£201
Wed 15/418:20
BHD
-
KEF
1 stop14h 45m
Multiple Airlines
Wed 22/420:00
KEF
-
BHD
1 stop12h 20m
Multiple Airlines
Deal found 18/3£215
Tue 5/521:10
BFS
-
KEF
1 stop11h 30m
easyJet
Tue 12/508:35
KEF
-
BFS
1 stop9h 30m
easyJet
Deal found 21/3£219
Tue 5/523:30
BFS
-
KEF
1 stop9h 10m
Multiple Airlines
Tue 12/517:55
KEF
-
BFS
2 stops16h 40m
Multiple Airlines
Deal found 21/3£225
Sat 2/515:35
BFS
-
KEF
2 stops19h 20m
Multiple Airlines
Sat 9/508:30
KEF
-
BFS
1 stop7h 00m
Multiple Airlines
Deal found 18/3£228
Mon 2/1110:05
BHD
-
KEF
1 stop8h 40m
Multiple Airlines
Sun 8/1120:05
KEF
-
BHD
2 stops16h 40m
Multiple Airlines
Deal found 17/3£363
Sat 18/409:35
BHD
-
KEF
1 stop24h 55m
British Airways
Wed 22/411:00
KEF
-
BHD
1 stop6h 55m
British Airways
Deal found 19/3£373
Wed 9/1211:25
BHD
-
KEF
1 stop23h 20m
British Airways
Sun 13/1211:50
KEF
-
BHD
1 stop7h 50m
British Airways
Deal found 20/3£375

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 22 March 2026.

Round-trip from

£171

One-way from

£79
15/4-22/4
  • 15/4-22/4
  • 2 total stops
  • 28h 40m total
  • Northern Ireland to Reykjavik
Search Deals
easyJet
  • easyJet
  • 22/4
  • 1 total stop
  • 11h 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 22 March 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

Fri 1/5

19:20-07:50

1 stop13h 30m

Reykjavik Keflavik Intl

Fri 8/5

09:05-23:00

2 stops12h 55m

£190
Fastest return journey

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 6/5

21:50-08:05

1 stop11h 15m

Reykjavik Keflavik Intl

Wed 13/5

08:20-14:45

1 stop5h 25m

£201

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 5/5

21:10-07:40

1 stop11h 30m

Reykjavik Keflavik Intl

Tue 12/5

08:35-19:05

1 stop9h 30m

£219

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 5/5

23:30-07:40

1 stop9h 10m

Reykjavik Keflavik Intl

Tue 12/5

17:55-11:35

2 stops16h 40m

£225

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 2/5

21:30-08:15

1 stop11h 45m

Reykjavik Keflavik Intl

Sat 9/5

08:30-07:55

1 stop22h 25m

£235

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 6/5

21:50-08:05

1 stop11h 15m

Reykjavik Keflavik Intl

Wed 13/5

19:55-12:20

2 stops15h 25m

£250

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 4/5

08:40-18:45

2 stops35h 05m

Reykjavik Keflavik Intl

Mon 11/5

08:00-21:30

1 stop12h 30m

£263

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 15/4

09:55-16:15

3 stops31h 20m

Reykjavik Keflavik Intl

Wed 22/4

11:15-15:20

3 stops27h 05m

£274

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Sat 18/4

16:15-09:30

1 stop18h 15m

Reykjavik Keflavik Intl

Wed 22/4

11:00-18:55

1 stop6h 55m

£373

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Sun 2/8

07:00-13:50

2 stops7h 50m

Reykjavik Keflavik Intl

Tue 4/8

19:55-12:15

2 stops15h 20m

£575

Flights are sorted by cheapest return flights first.

Deals found on 18/3

Showing 1-10 of 28 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 11h 15m. easyJet provides one of the quickest options available for as low as £201. 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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