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Cheap flights from Reykjavik Keflavik Intl Airport to Northern Ireland from £128

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BFS
10 Apr — 17 Apr1
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 11 March 2026.

Wed 22/410:15
KEF
-
BFS
1 stop11h 10m
Multiple Airlines
Wed 29/407:30
BFS
-
KEF
1 stop25h 35m
Multiple Airlines
Deal found 7/3£153
Sat 25/408:30
KEF
-
BFS
1 stop7h 00m
Multiple Airlines
Sat 2/520:15
BFS
-
KEF
2 stops22h 35m
Multiple Airlines
Deal found 11/3£216
Thu 23/408:45
KEF
-
BFS
1 stop5h 35m
Multiple Airlines
Thu 30/409:15
BFS
-
KEF
2 stops32h 50m
Multiple Airlines
Deal found 9/3£228
Sat 25/408:30
KEF
-
BFS
1 stop22h 25m
easyJet
Sat 2/521:30
BFS
-
KEF
1 stop11h 45m
easyJet
Deal found 11/3£229
Wed 29/409:00
KEF
-
BFS
1 stop13h 20m
Multiple Airlines
Sat 2/520:15
BFS
-
KEF
2 stops22h 35m
Multiple Airlines
Deal found 11/3£251
Thu 23/408:45
KEF
-
BHD
1 stop5h 45m
Multiple Airlines
Thu 30/407:00
BHD
-
KEF
1 stop11h 55m
Multiple Airlines
Deal found 9/3£267
Wed 29/408:00
KEF
-
BHD
1 stop7h 00m
Multiple Airlines
Sat 2/516:50
BHD
-
KEF
1 stop16h 40m
Multiple Airlines
Deal found 11/3£282
Wed 29/411:00
KEF
-
BHD
2 stops8h 50m
British Airways
Sat 2/519:05
BHD
-
KEF
1 stop15h 25m
British Airways
Deal found 11/3£440

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 11 March 2026.

Round-trip from

£153

One-way from

£128
22/4-29/4
  • 22/4-29/4
  • 2 total stops
  • 36h 45m total
  • Reykjavik to Northern Ireland
Search Deals
29/6
  • 29/6
  • 2 total stops
  • 16h 50m 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 11 March 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 22/4

10:15-22:25

1 stop11h 10m

Belfast Intl

Wed 29/4

07:30-08:05

1 stop25h 35m

£153

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 25/4

08:30-16:30

1 stop7h 00m

Belfast Intl

Sat 2/5

20:15-17:50

2 stops22h 35m

£216

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 25/4

08:30-07:55

1 stop22h 25m

Belfast Intl

Sat 2/5

21:30-08:15

1 stop11h 45m

£229

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Thu 23/4

08:45-15:15

1 stop5h 30m

Belfast Intl

Thu 30/4

06:10-17:55

1 stop12h 45m

£231
Fastest return journey

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Thu 23/4

08:45-15:30

1 stop5h 45m

Belfast City

Thu 30/4

07:00-17:55

1 stop11h 55m

£267

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Wed 29/4

08:00-16:00

1 stop7h 00m

Belfast City

Sat 2/5

16:50-08:30

1 stop16h 40m

£282

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Wed 29/4

09:00-23:20

1 stop13h 20m

Belfast Intl

Sat 2/5

21:40-08:15

1 stop11h 35m

£287

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Wed 29/4

11:00-20:50

2 stops8h 50m

Belfast City

Sat 2/5

12:00-09:45

2 stops46h 45m

£531
Cheapest one-way
Fastest single journey

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Mon 29/6

18:25-12:15

2 stops16h 50m

£128

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Mon 29/6

18:25-18:05

2 stops22h 40m

£144

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 11 resultsSorted by cheapest first
1
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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 8h 50m. Your travel time can differ by up to 13h 35m. 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

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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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