Cheap flights from Reykjavik Keflavik Intl Airport to Northern Ireland from £139

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BFS
9 Nov — 16 Nov1
1 adult
1 adult, Economy

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 10 Oktober 2025.

Mo 1/1211:55KEF - BFS
1 stop20h 25measyJet
Di 16/1208:10BFS - KEF
1 stop9h 35measyJet
Deal found 9/10£139
Mo 1/1211:55KEF - BFS
1 stop20h 25measyJet
Mi 17/1210:50BFS - KEF
1 stop7h 35measyJet
Deal found 9/10£151
Mo 1/1211:55KEF - BHD
1 stop23h 45measyJet
Di 16/1212:15BHD - KEF
1 stop23h 00measyJet
Deal found 9/10£167
Mo 1/1211:55KEF - BHD
1 stop23h 45measyJet
Mi 17/1217:20BHD - KEF
1 stop24h 40measyJet
Deal found 9/10£173
Mo 24/1112:45KEF - BFS
1 stop21h 10mMultiple Airlines
Mo 1/1221:00BFS - KEF
1 stop13h 15mMultiple Airlines
Deal found 10/10£175
Mo 1/1212:00KEF - BFS
1 stop9h 55mMultiple Airlines
Mi 17/1214:50BFS - KEF
2 stops20h 50mMultiple Airlines
Deal found 9/10£182
Mo 1/1212:00KEF - BFS
1 stop9h 55mMultiple Airlines
Di 16/1209:25BFS - KEF
2 stops25h 35mMultiple Airlines
Deal found 9/10£187
Mo 1/1219:35KEF - BHD
1 stop16h 05mMultiple Airlines
Mi 17/1216:50BHD - KEF
2 stops18h 50mMultiple Airlines
Deal found 9/10£197
Mo 1/1219:35KEF - BHD
1 stop16h 05mMultiple Airlines
Di 16/1212:15BHD - KEF
2 stops22h 45mMultiple Airlines
Deal found 9/10£208

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 10 Oktober 2025.

Round-trip from

£139
easyJet
  • easyJet
  • 1/12-16/12
  • 2 total stops
  • 30h 00m 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 10 Oktober 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

Mo 1/12

11:55-08:20

1 stop20h 25m

Belfast Intl

Di 16/12

08:10-17:45

1 stop9h 35m

£139

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Mo 1/12

11:55-08:20

1 stop20h 25m

Belfast Intl

Mi 17/12

10:50-18:25

1 stop7h 35m

£151

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Mo 1/12

11:55-11:40

1 stop23h 45m

Belfast City

Di 16/12

12:15-11:15

1 stop23h 00m

£167

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Mo 24/11

12:45-09:55

1 stop21h 10m

Belfast Intl

Mo 1/12

21:00-10:15

1 stop13h 15m

£175

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Mo 1/12

12:00-21:55

1 stop9h 55m

Belfast Intl

Mi 17/12

14:50-11:40

2 stops20h 50m

£182

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Mo 1/12

12:00-21:55

1 stop9h 55m

Belfast Intl

Di 16/12

09:25-11:00

2 stops25h 35m

£187

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Mo 1/12

19:35-11:40

1 stop16h 05m

Belfast City

Di 16/12

12:15-11:00

2 stops22h 45m

£208

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Mo 1/12

20:20-20:30

2 stops24h 10m

Belfast City

Mi 17/12

16:50-11:40

2 stops18h 50m

£225

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

So 1/3

20:05-21:00

1 stop24h 55m

Belfast City

Do 5/3

06:30-10:25

1 stop27h 55m

£249

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Do 12/3

11:25-21:00

1 stop9h 35m

Belfast City

Mo 16/3

06:30-19:05

1 stop12h 35m

£352

Flights are sorted by cheapest return flights first.

Deals found on 10/10

Showing 1-10 of 21 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 and KLM can get you from Reykjavik Keflavik Intl Airport to Northern Ireland in just under 20h 25m. Your travel time can differ by up to 4h 30m. The distance from Reykjavik Keflavik Intl Airport to Northern Ireland is about 860 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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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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