Cheap flights from Reykjavik Keflavik Intl Airport to Northern Ireland from £84

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BFS
2 Jun — 9 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Keflavik Intl to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Keflavik Intl to Northern Ireland
Explore the most affordable flight options available from Keflavik Intl to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 May 2026.

Mon 11/517:25
KEF
-
BFS
2 stops28h 55m
Multiple Airlines
Mon 18/514:40
BFS
-
KEF
1 stop10h 30m
Multiple Airlines
Deal found 29/4£196
Tue 12/517:35
KEF
-
BFS
2 stops20h 40m
Multiple Airlines
Mon 18/514:40
BFS
-
KEF
1 stop10h 30m
Multiple Airlines
Deal found 29/4£200
Fri 15/509:05
KEF
-
BFS
2 stops12h 55m
Multiple Airlines
Mon 18/514:40
BFS
-
KEF
1 stop10h 30m
Multiple Airlines
Deal found 29/4£208
Sun 10/519:00
KEF
-
BFS
2 stops16h 20m
Multiple Airlines
Mon 18/514:40
BFS
-
KEF
1 stop10h 30m
Multiple Airlines
Deal found 29/4£217
Wed 13/519:05
KEF
-
BFS
2 stops21h 50m
Multiple Airlines
Mon 18/521:55
BFS
-
KEF
2 stops20h 00m
Multiple Airlines
Deal found 29/4£219
Sat 13/619:20
KEF
-
BFS
1 stop13h 40m
easyJet
Sat 20/608:55
BFS
-
KEF
1 stop10h 45m
easyJet
Deal found 29/4£226
Sat 16/508:30
KEF
-
BFS
1 stop7h 00m
Multiple Airlines
Mon 18/514:40
BFS
-
KEF
1 stop10h 30m
Multiple Airlines
Deal found 29/4£228
Sat 13/619:20
KEF
-
BFS
1 stop13h 40m
Multiple Airlines
Sat 20/607:40
BFS
-
KEF
2 stops16h 55m
Multiple Airlines
Deal found 29/4£247
Wed 13/515:50
KEF
-
BHD
2 stops22h 40m
Multiple Airlines
Mon 18/518:20
BHD
-
KEF
2 stops23h 35m
Multiple Airlines
Deal found 29/4£272
Sun 10/508:55
KEF
-
BHD
1 stop9h 45m
Multiple Airlines
Mon 18/517:55
BHD
-
KEF
2 stops14h 55m
Multiple Airlines
Deal found 29/4£309
Sat 16/508:30
KEF
-
BHD
1 stop5h 30m
Multiple Airlines
Mon 18/518:20
BHD
-
KEF
2 stops17h 05m
Multiple Airlines
Deal found 29/4£345
Sat 18/708:30
KEF
-
BHD
1 stop11h 20m
Multiple Airlines
Fri 31/715:25
BHD
-
KEF
1 stop17h 25m
Multiple Airlines
Deal found 2/5£357

Find flight deals from Keflavik Intl to Northern Ireland

Keep the following information in mind while searching for Keflavik Intl to Northern Ireland flight deals. Data was last updated 3 May 2026.

Round-trip from

£200

One-way from

£84
13/5-18/5
  • 13/5-18/5
  • 3 total stops
  • 32h 20m total
  • Reykjavik to Northern Ireland
easyJet
  • easyJet
  • 9/9
  • 1 total stop
  • 13h 25m total
  • Reykjavik to Northern Ireland

Cheapflights Fare Finder

 
Customise your flight search to find flights from Keflavik Intl to Northern Ireland 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 3 May 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Wed 13/5

19:05-17:55

2 stops21h 50m

Belfast Intl

Mon 18/5

14:40-00:10

1 stop10h 30m

£200

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 13/6

19:20-10:00

1 stop13h 40m

Belfast Intl

Sat 20/6

08:55-18:40

1 stop10h 45m

£226

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 18/7

08:30-20:45

1 stop11h 15m

Belfast Intl

Fri 31/7

22:15-07:50

1 stop10h 35m

£286

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Thu 14/5

08:45-15:20

1 stop5h 35m

Belfast Intl

Mon 18/5

18:50-19:15

2 stops25h 25m

£323

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 17/7

19:55-10:45

2 stops13h 50m

Belfast Intl

Wed 29/7

15:40-08:05

1 stop17h 25m

£331

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Thu 16/7

21:20-10:40

2 stops12h 20m

Belfast Intl

Wed 29/7

15:40-08:05

1 stop17h 25m

£339

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 17/7

19:55-10:45

2 stops13h 50m

Belfast Intl

Sat 1/8

21:30-08:15

1 stop11h 45m

£339

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Thu 16/7

21:20-10:40

2 stops12h 20m

Belfast Intl

Sat 1/8

21:30-08:15

1 stop11h 45m

£347

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Wed 13/5

08:20-20:50

1 stop11h 30m

Belfast City

Mon 18/5

08:45-23:35

1 stop15h 50m

£459

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 17/7

19:30-08:25

1 stop11h 55m

Belfast Intl

Thu 30/7

12:35-15:45

1 stop4h 10m

£462

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Keflavik Intl to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Keflavik Intl 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 Reykjavik Keflavik Intl Airport to Northern Ireland
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 Keflavik Intl to Northern Ireland. 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 Reykjavik Keflavik Intl Airport to Northern Ireland?

    easyJet and British Airways can get you from Reykjavik Keflavik Intl Airport to Northern Ireland in just under 7h 55m. Your travel time can differ by up to 5h 45m. The distance from Reykjavik Keflavik Intl Airport to Northern Ireland is about 870 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Keflavik Intl to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Keflavik Intl to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Keflavik Intl to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Keflavik Intl to Northern Ireland.

  • Can I find deals for business class flights from Keflavik Intl to Northern Ireland?

    Yes. Cheapflights offers flight deals from Keflavik Intl to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Can Cheapflights notify me if prices for flights from Keflavik Intl to Northern Ireland become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Northern Ireland from Keflavik Intl today and book when prices fit your budget.

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