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Cheap flights from Northern Ireland to Reykjavik Keflavik Intl Airport from £103

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — KEF
7 Mar — 14 Mar1
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 February 2026.

Tue 3/307:05
BFS
-
KEF
1 stop10h 40m
easyJet
Tue 10/318:30
KEF
-
BFS
1 stop13h 10m
easyJet
Deal found 2/2£159
Mon 9/221:15
BFS
-
KEF
1 stop19h 10m
Multiple Airlines
Mon 16/212:45
KEF
-
BFS
1 stop27h 50m
Multiple Airlines
Deal found 2/2£199
Tue 3/317:25
BHD
-
KEF
2 stops30h 50m
Multiple Airlines
Tue 10/317:05
KEF
-
BHD
1 stop17h 50m
Multiple Airlines
Deal found 2/2£199
Tue 3/317:20
BHD
-
KEF
1 stop25h 05m
easyJet
Tue 10/317:05
KEF
-
BHD
1 stop17h 50m
easyJet
Deal found 2/2£199
Mon 9/216:55
BHD
-
KEF
1 stop17h 25m
Multiple Airlines
Mon 16/212:45
KEF
-
BHD
1 stop8h 10m
Multiple Airlines
Deal found 2/2£208
Fri 20/318:00
BFS
-
KEF
2 stops24h 35m
Multiple Airlines
Fri 27/310:00
KEF
-
BFS
1 stop13h 45m
Multiple Airlines
Deal found 3/2£222
Wed 4/219:55
BFS
-
KEF
1 stop15h 50m
Multiple Airlines
Wed 11/211:55
KEF
-
BFS
1 stop20h 25m
Multiple Airlines
Deal found 3/2£239
Wed 4/216:55
BHD
-
KEF
1 stop18h 50m
Multiple Airlines
Wed 11/211:05
KEF
-
BHD
1 stop6h 15m
Multiple Airlines
Deal found 3/2£240
Fri 1/520:10
BHD
-
KEF
1 stop14h 15m
British Airways
Tue 5/510:50
KEF
-
BHD
1 stop5h 40m
British Airways
Deal found 2/2£253
Tue 3/307:05
BFS
-
KEF
2 stops10h 55m
Multiple Airlines
Tue 10/319:00
KEF
-
BFS
2 stops21h 00m
Multiple Airlines
Deal found 2/2£256
Sat 21/321:05
BFS
-
KEF
1 stop11h 50m
easyJet
Sat 28/318:35
KEF
-
BFS
1 stop13h 50m
easyJet
Deal found 4/2£259
Fri 27/1106:45
BHD
-
KEF
1 stop8h 45m
Multiple Airlines
Mon 30/1107:35
KEF
-
BHD
1 stop9h 15m
Multiple Airlines
Deal found 5/2£308

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 February 2026.

Round-trip from

£159

One-way from

£103
easyJet
  • easyJet
  • 3/3-10/3
  • 2 total stops
  • 23h 50m total
  • Northern Ireland to Reykjavik
Search Deals
easyJet
  • easyJet
  • 9/6
  • 1 total stop
  • 10h 50m 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 February 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

Northern Ireland

Fly to

Keflavik Intl

Route

Depart

Return

Price

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 3/3

07:05-17:45

1 stop10h 40m

Reykjavik Keflavik Intl

Tue 10/3

18:30-07:40

1 stop13h 10m

£159

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Tue 3/3

17:25-00:15

2 stops30h 50m

Reykjavik Keflavik Intl

Tue 10/3

17:05-10:55

1 stop17h 50m

£199

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Tue 3/3

17:20-18:25

1 stop25h 05m

Reykjavik Keflavik Intl

Tue 10/3

17:05-10:55

1 stop17h 50m

£199

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 20/3

18:00-18:35

2 stops24h 35m

Reykjavik Keflavik Intl

Fri 27/3

10:00-23:45

1 stop13h 45m

£222

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Fri 1/5

20:10-09:25

1 stop14h 15m

Reykjavik Keflavik Intl

Tue 5/5

10:50-17:30

1 stop5h 40m

£253

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 3/3

07:05-18:00

2 stops10h 55m

Reykjavik Keflavik Intl

Tue 10/3

19:00-16:00

2 stops21h 00m

£256

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 21/3

21:05-08:55

1 stop11h 50m

Reykjavik Keflavik Intl

Sat 28/3

18:35-08:25

1 stop13h 50m

£259

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 1/5

09:40-15:40

1 stop7h 00m

Reykjavik Keflavik Intl

Tue 5/5

10:00-23:05

1 stop12h 05m

£280

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 21/3

23:10-18:55

2 stops19h 45m

Reykjavik Keflavik Intl

Sat 28/3

08:00-15:10

1 stop7h 10m

£287

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Mon 2/3

09:15-10:55

1 stop25h 40m

Reykjavik Keflavik Intl

Thu 5/3

11:45-07:30

1 stop19h 45m

£369

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 17 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
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 10h 40m. easyJet provides one of the quickest options available for as low as £159. 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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