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Cheap flights from Reykjavik Keflavik Intl Airport to Northern Ireland from £66

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BFS
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

£217

One-way from

£66
24/8-31/8
  • 24/8-31/8
  • 2 total stops
  • 21h 20m total
  • Reykjavik to Northern Ireland
Search Deals
easyJet
  • easyJet
  • 3/10
  • 1 total stop
  • 10h 00m total
  • Reykjavik to Northern Ireland
Search Deals

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 11 July 2025.

Sun 24/808:55KEF - BFS
1 stop13h 35mMultiple Airlines
Sun 31/807:00BFS - KEF
1 stop7h 45mMultiple Airlines
Deal found 10/7£217
Thu 28/806:40KEF - BHD
2 stops13h 30mMultiple Airlines
Sun 31/818:50BHD - KEF
1 stop15h 05mMultiple Airlines
Deal found 10/7£325
Fri 1/819:55KEF - BHD
1 stop24h 20mKLM
Tue 5/817:25BHD - KEF
1 stop25h 05mKLM
Deal found 10/7£480
Wed 30/710:55KEF - BHD
1 stop25h 35mBritish Airways
Thu 7/819:25BHD - KEF
1 stop15h 15mBritish Airways
Deal found 10/7£547
Tue 29/701:30KEF - BHD
2 stops40h 10mIberia
Wed 6/810:00BHD - KEF
2 stops15h 45mIberia
Deal found 10/7£1,440

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 July 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

Sun 24/8

08:55-23:30

1 stop13h 35m

Belfast Intl

Sun 31/8

07:00-13:45

1 stop7h 45m

£217

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Thu 28/8

06:40-21:10

2 stops13h 30m

Belfast City

Sun 31/8

18:50-08:55

1 stop15h 05m

£325

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Fri 1/8

19:55-21:15

1 stop24h 20m

Belfast City

Tue 5/8

17:25-17:30

1 stop25h 05m

£480

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Wed 30/7

10:55-13:30

1 stop25h 35m

Belfast City

Thu 7/8

19:25-09:40

1 stop15h 15m

£547

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Tue 29/7

01:30-18:40

2 stops40h 10m

Belfast City

Wed 6/8

10:00-00:45

2 stops15h 45m

£1,440

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 3/10

12:25-23:25

1 stop10h 00m

£66

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Fri 3/10

12:25-20:25

1 stop7h 00m

£72

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 23/8

08:30-11:00

1 stop25h 30m

£114

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Fri 3/10

12:25-09:15

2 stops19h 50m

£171

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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.

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 11 July 2025.
Check out reviews from past customers who have flown with KLM, Iberia, andeasyJet from Reykjavik Keflavik Intl Airport to Northern Ireland to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,372 reviews
Check prices

Food

7.3

Overall

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,372 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Food

7.3

Overall

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Iberia
7.0
Good
2,828 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Food

7.3

Overall

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
easyJet
6.9
Okay
1,817 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Food

7.3

Overall

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,109 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Food

7.3

Overall

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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

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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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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