In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 11.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

What is the cheapest time of day to fly from NIR to KEF?

When flying from Northern Ireland to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Northern Ireland to Keflavik Intl that include hotel bookings?

Yes. In addition to deals on Northern Ireland to Keflavik Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Northern Ireland to Keflavik Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Keflavik Intl.

Can I find deals for business class flights from Northern Ireland to Keflavik Intl?

Yes. Cheapflights offers flight deals from Northern Ireland to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£78+ Cheap Flights from Northern Ireland to Reykjavik Keflavik Intl Airport

Cheap flight deals from Northern Ireland to Keflavik Intl

Enter your travel dates to find the best prices.

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Best

Last-minute

One-way

Cheapest flights from Northern Ireland to Keflavik Intl
Explore the most affordable flight options available from Northern Ireland to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 July 2026.

Tue 22/923:30

BFS

KEF

1 stop9h 10m

Multiple Airlines

Wed 23/918:45

KEF

BFS

2 stops36h 45m

Multiple Airlines

Deal found 11/7£180

Wed 26/821:50

BFS

KEF

1 stop11h 15m

easyJet

Sat 29/808:30

KEF

BFS

1 stop23h 30m

easyJet

Deal found 10/7£215

Wed 26/807:30

BFS

KEF

2 stops28h 55m

Multiple Airlines

Sat 29/808:30

KEF

BFS

1 stop7h 00m

Multiple Airlines

Deal found 13/7£218

Thu 27/809:15

BFS

KEF

2 stops25h 40m

Multiple Airlines

Thu 3/919:35

KEF

BFS

2 stops26h 45m

Multiple Airlines

Deal found 13/7£230

Wed 26/807:30

BFS

KEF

2 stops28h 55m

Multiple Airlines

Wed 2/908:20

KEF

BFS

1 stop10h 30m

Multiple Airlines

Deal found 12/7£240

Tue 22/918:30

BHD

KEF

1 stop14h 10m

Multiple Airlines

Wed 23/918:45

KEF

BHD

2 stops19h 45m

Multiple Airlines

Deal found 11/7£241

Mon 23/1119:25

BHD

KEF

1 stop15h 30m

British Airways

Thu 26/1111:45

KEF

BHD

1 stop7h 25m

British Airways

Deal found 13/7£261

Wed 30/1209:40

BHD

KEF

1 stop28h 05m

KLM

Sun 3/114:45

KEF

BHD

1 stop18h 25m

KLM

Deal found 12/7£324

Tue 1/917:30

BHD

KEF

2 stops24h 15m

KLM

Wed 9/920:00

KEF

BHD

1 stop12h 20m

KLM

Deal found 10/7£398

Tue 1/906:30

BHD

KEF

1 stop28h 30m

British Airways

Wed 9/911:00

KEF

BHD

1 stop6h 55m

British Airways

Deal found 10/7£440

Find flight deals from Northern Ireland to Keflavik Intl

Round-trip from	£180
One-way from	£78

22/9-23/9
3 total stops
45h 55m total
Northern Ireland to Reykjavik

Search Deals

easyJet
5/9
1 total stop
11h 45m total
Northern Ireland to Reykjavik

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 22/9

23:30-07:40

1 stop9h 10m

Reykjavik Keflavik Intl

Wed 23/9

18:45-08:30

2 stops36h 45m

£180

Fastest return journey

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 26/8

21:50-08:05

1 stop11h 15m

Reykjavik Keflavik Intl

Sat 29/8

08:30-09:00

1 stop23h 30m

£215

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Tue 22/9

17:00-08:20

2 stops16h 20m

Reykjavik Keflavik Intl

Wed 23/9

18:45-15:30

2 stops19h 45m

£256

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 26/8

07:30-11:25

2 stops28h 55m

Reykjavik Keflavik Intl

Sat 29/8

19:55-18:55

2 stops22h 00m

£260

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 27/8

12:45-09:55

2 stops22h 10m

Reykjavik Keflavik Intl

Thu 3/9

08:45-22:20

1 stop12h 35m

£262

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Mon 23/11

14:40-10:55

1 stop20h 15m

Reykjavik Keflavik Intl

Thu 26/11

11:45-07:30

1 stop19h 45m

£270

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Wed 30/12

09:40-13:45

1 stop28h 05m

Reykjavik Keflavik Intl

Sun 3/1

14:45-09:10

1 stop18h 25m

£324

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Tue 1/9

17:30-16:45

2 stops24h 15m

Reykjavik Keflavik Intl

Wed 9/9

20:00-09:20

1 stop12h 20m

£398

Cheapest one-way

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 5/9

21:30-08:15

1 stop11h 45m

£78

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Sat 5/9

17:10-08:15

1 stop16h 05m

£97

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 19 resultsSorted by cheapest first

Best time to book a flight from Northern Ireland to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Northern Ireland with our price prediction graph.

BFS-KEF

BHD-KEF

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 Northern Ireland to Reykjavik Keflavik Intl Airport

GBNIR-KEF

BFS-KEF

BHD-KEF

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Northern Ireland to Reykjavik Keflavik Intl Airport?
A quick flight from Northern Ireland to Reykjavik Keflavik Intl Airport can take about 11h 15m. easyJet provides one of the quickest options available for as low as £215. The distance between Northern Ireland and Reykjavik Keflavik Intl Airport is about 860 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Northern Ireland to Keflavik Intl that include hotel bookings?
Yes. In addition to deals on Northern Ireland to Keflavik Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to Keflavik Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Keflavik Intl.
Can I find deals for business class flights from Northern Ireland to Keflavik Intl?
Yes. Cheapflights offers flight deals from Northern Ireland to Keflavik Intl 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

Hveragerdi

Kopavogur

Keflavik

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Alternative routes for Northern Ireland to Keflavik Intl

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Northern Ireland to Keflavik Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Northern Ireland to Keflavik Intl for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Northern Ireland to Keflavik Intl with no change fees.

Can Cheapflights notify me if prices for flights from Northern Ireland to Keflavik Intl become cheaper?

Yes! Start tracking prices for Northern Ireland to Keflavik Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Northern Ireland to Reykjavik Keflavik Intl Airport from £78

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to Keflavik Intl

Cheapest flights from Northern Ireland to Keflavik IntlExplore the most affordable flight options available from Northern Ireland to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 July 2026.

Explore the most affordable flight options available from Northern Ireland to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 July 2026.

Best flights from Northern Ireland to Keflavik IntlDiscover carefully curated flight deals from Northern Ireland to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 July 2026.

Discover carefully curated flight deals from Northern Ireland to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 July 2026.

Last-minute flights from Northern Ireland to Keflavik IntlDiscover last-minute flight deals from Northern Ireland to Keflavik Intl. Data last updated 14 July 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to Keflavik Intl. Data last updated 14 July 2026 and is based on user searches.

One-way flights from Northern Ireland to Keflavik IntlSearch for one-way flight options from Northern Ireland to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated 14 July 2026.

Search for one-way flight options from Northern Ireland to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated 14 July 2026.

Find flight deals from Northern Ireland to Keflavik Intl

Keep the following information in mind while searching for Northern Ireland to Keflavik Intl flight deals. Data was last updated 14 July 2026.

Round-trip from

One-way from

Cheapflights Fare Finder

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

Best time to book a flight from Northern Ireland to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Northern Ireland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Reykjavik Keflavik Intl Airport

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Keflavik Intl. 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 Northern Ireland to Reykjavik Keflavik Intl Airport?

Can I find deals for flights from Northern Ireland to Keflavik Intl that include hotel bookings?

How can I find direct flights from Northern Ireland to Keflavik Intl?

Can I find deals for business class flights from Northern Ireland to Keflavik Intl?

Travelling to a place near Reykjavik Keflavik Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Keflavik Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Iceland

Book a non-stop flight to one of these other cities located in Iceland.

Search flights from Northern Ireland to Keflavik Intl by cabin class

Find flights from Northern Ireland to Keflavik Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Keflavik Intl

Explore flights to Keflavik Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 July 2026.

Northern Ireland and Keflavik Intl flights

Browse other Northern Ireland and Keflavik Intl flight options. Last updated on 14 July 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

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

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

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

Can Cheapflights notify me if prices for flights from Northern Ireland to Keflavik Intl become cheaper?

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Cheapest flights from Northern Ireland to Keflavik Intl
Explore the most affordable flight options available from Northern Ireland to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 July 2026.

Best flights from Northern Ireland to Keflavik Intl
Discover carefully curated flight deals from Northern Ireland to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 July 2026.

Last-minute flights from Northern Ireland to Keflavik Intl
Discover last-minute flight deals from Northern Ireland to Keflavik Intl. Data last updated 14 July 2026 and is based on user searches.

One-way flights from Northern Ireland to Keflavik Intl
Search for one-way flight options from Northern Ireland to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated 14 July 2026.