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Cheap flights from Reykjavik Keflavik Intl Airport to Northern Ireland from £50

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 14/2. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BFS
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 5 November 2025.

Tue 2/1218:35KEF - BFS
1 stop27h 30measyJet
Tue 9/1208:10BFS - KEF
1 stop9h 35measyJet
Deal found 3/11£123
Tue 2/1218:35KEF - BFS
1 stop27h 30measyJet
Mon 8/1221:00BFS - KEF
1 stop13h 15measyJet
Deal found 3/11£130
Tue 2/1218:35KEF - BHD
1 stop23h 00measyJet
Mon 8/1210:05BHD - KEF
1 stop24h 10measyJet
Deal found 3/11£131
Thu 4/1210:00KEF - BFS
1 stop8h 20measyJet
Thu 11/1207:05BFS - KEF
1 stop10h 55measyJet
Deal found 3/11£142
Thu 4/1210:00KEF - BFS
1 stop8h 20measyJet
Tue 9/1208:10BFS - KEF
1 stop9h 35measyJet
Deal found 3/11£142
Sat 6/1219:45KEF - BFS
1 stop12h 40measyJet
Tue 9/1210:35BFS - KEF
1 stop7h 10measyJet
Deal found 3/11£145
Tue 2/1211:05KEF - BFS
1 stop11h 30measyJet
Wed 10/1210:50BFS - KEF
1 stop7h 35measyJet
Deal found 3/11£151
Sat 6/1219:45KEF - BFS
1 stop12h 40measyJet
Wed 10/1210:50BFS - KEF
1 stop7h 35measyJet
Deal found 3/11£153
Thu 4/1210:00KEF - BFS
1 stop8h 20measyJet
Wed 10/1210:50BFS - KEF
1 stop7h 35measyJet
Deal found 3/11£154
Sat 6/1211:00KEF - BFS
1 stop5h 35measyJet
Thu 11/1207:05BFS - KEF
1 stop10h 55measyJet
Deal found 3/11£159
Fri 7/1119:45KEF - BFS
1 stop11h 10mMultiple Airlines
Sun 9/1123:05BFS - KEF
1 stop12h 25mMultiple Airlines
Deal found 3/11£169
Mon 1/1211:55KEF - BFS
1 stop20h 25measyJet
Wed 17/1219:15BFS - KEF
1 stop22h 00measyJet
Deal found 3/11£185

Cheap 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 5 November 2025.

Round-trip from

£112

One-way from

£50
easyJet
  • easyJet
  • 28/2-3/3
  • 2 total stops
  • 20h 40m total
  • Reykjavik to Northern Ireland
Search Deals
easyJet
  • easyJet
  • 14/2
  • 1 total stop
  • 15h 35m total
  • Reykjavik to Northern Ireland
Search Deals

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 5 November 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Northern Ireland that are best for you.

Fly from

Keflavik Intl

Fly to

Northern Ireland

Route

Depart

Return

Price

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 28/2

21:05-10:10

1 stop13h 05m

Belfast Intl

Tue 3/3

08:50-16:25

1 stop7h 35m

£112

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 2/12

18:35-22:05

1 stop27h 30m

Belfast Intl

Tue 9/12

08:10-17:45

1 stop9h 35m

£123

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 2/12

18:35-22:05

1 stop27h 30m

Belfast Intl

Mon 8/12

21:00-10:15

1 stop13h 15m

£130

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Thu 4/12

10:00-18:20

1 stop8h 20m

Belfast Intl

Thu 11/12

07:05-18:00

1 stop10h 55m

£142

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Thu 4/12

10:00-18:20

1 stop8h 20m

Belfast Intl

Wed 10/12

10:50-18:25

1 stop7h 35m

£154

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 6/12

11:00-16:35

1 stop5h 35m

Belfast Intl

Thu 11/12

07:05-18:00

1 stop10h 55m

£159

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Mon 1/12

11:55-08:20

1 stop20h 25m

Belfast Intl

Wed 17/12

19:15-17:15

1 stop22h 00m

£185

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Mon 1/12

12:45-20:45

1 stop8h 00m

Belfast Intl

Tue 9/12

08:10-17:45

1 stop9h 35m

£193

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 2/12

11:05-16:35

1 stop5h 30m

Belfast Intl

Sat 13/12

22:25-09:35

1 stop11h 10m

£194

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Thu 4/12

10:00-18:20

1 stop8h 20m

Belfast Intl

Sat 13/12

22:25-09:35

1 stop11h 10m

£197

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 33 results
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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, KLM, and British Airways can get you from Reykjavik Keflavik Intl Airport to Northern Ireland in just under 9h 35m. Your travel time can differ by up to 4h 40m. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to Northern Ireland by adding a car hire and/or hotel booking to your travel itinerary.
Northern Ireland car hire
Belfast Intl Airport car hire
Londonderry Eglinton Airport car hire
Belfast car hire
Londonderry car hire

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How does Cheapflights help users find flights from Keflavik Intl to Northern Ireland?

When you search for this flight from Keflavik Intl to Northern Ireland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Keflavik Intl to Northern Ireland?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Keflavik Intl to Northern Ireland.

Can Cheapflights find flights from Keflavik Intl to Northern Ireland with no change fees?

Yes, we can. To see specific flights from Keflavik Intl to Northern Ireland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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