Cheap flights from Reykjavik Keflavik Intl Airport to Northern Ireland from £63

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BFS
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 12 September 2025.

Round-trip from

£190

One-way from

£63
25/10-1/11
  • 25/10-1/11
  • 2 total stops
  • 33h 35m total
  • Reykjavik to Northern Ireland
easyJet
  • easyJet
  • 5/2
  • 1 total stop
  • 6h 00m total
  • Reykjavik to Northern Ireland

Find flight deals from Keflavik Intl to Northern Ireland

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 12 September 2025.

Sat 25/1019:25KEF - BFS
1 stop19h 15mMultiple Airlines
Sat 1/1106:00BFS - KEF
1 stop14h 20mMultiple Airlines
Deal found 10/9£190

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 12 September 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 25/10

19:25-15:40

1 stop19h 15m

Belfast Intl

Sat 1/11

06:00-20:20

1 stop14h 20m

£190

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Sun 1/3

20:05-16:50

1 stop20h 45m

Belfast City

Thu 5/3

17:20-10:25

1 stop17h 05m

£246

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Sun 1/3

17:55-08:25

1 stop14h 30m

Belfast City

Thu 5/3

08:20-10:55

2 stops26h 35m

£362

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Thu 5/2

10:05-16:05

1 stop6h 00m

£63

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Wed 4/2

11:55-08:20

1 stop20h 25m

£68

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Thu 5/2

10:00-20:20

1 stop10h 20m

£71

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Fri 6/2

19:15-09:20

1 stop14h 05m

£88

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 6/2

19:15-07:40

1 stop12h 25m

£89

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Wed 4/2

11:55-12:50

2 stops24h 55m

£102

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Wed 4/2

20:05-14:05

2 stops18h 00m

£127

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 14 results
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?

    KLM and British Airways can get you from Reykjavik Keflavik Intl Airport to Northern Ireland in just under 14h 30m. Your travel time can differ by up to 6h 15m. 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.

  • What is the cheapest month to book a flight from Reykjavik Keflavik Intl Airport to Northern Ireland?

    Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Northern Ireland (average of £67). Flying from Reykjavik Keflavik Intl Airport to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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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