How long is the flight from Belfast to Reykjavik Keflavik Intl Airport?

Departing from Belfast to Reykjavik Keflavik Intl Airport will take you 12h 15m. The distance from Belfast to Reykjavik Keflavik Intl Airport is about 860 mi. This flight may include one or multiple stops.

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 BFS to KEF?

When flying from Belfast 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 Belfast to Keflavik Intl that include hotel bookings?

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

How can I find direct flights from Belfast to Keflavik Intl?

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

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

Yes. Cheapflights offers flight deals from Belfast 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 Belfast to Reykjavik Keflavik Intl Airport

Cheap flight deals from Belfast to Keflavik Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast to Keflavik Intl
Explore the most affordable flight options available from Belfast to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Sat 24/1021:15 -

1 stop14h 00m

Tue 27/1020:25 -

1 stop11h 25m

Deal found 1/9£135

Tue 29/917:00 -

1 stop15h 40m

Tue 6/1019:55 -

2 stops15h 20m

Deal found 30/8£199

Thu 8/1006:35 -

1 stop11h 10m

Wed 14/1019:55 -

2 stops15h 25m

Deal found 2/9£221

Sat 24/1015:35 -

2 stops20h 05m

Tue 27/1010:50 -

1 stop8h 20m

Deal found 1/9£232

Thu 8/1016:00 -

1 stop19h 30m

Wed 14/1019:55 -

2 stops18h 00m

Deal found 2/9£253

Thu 1/1013:00 -

2 stops11h 10m

Thu 8/1017:35 -

1 stop13h 20m

Deal found 1/9£263

Thu 10/1214:10 -

1 stop26h 55m

Mon 14/1211:55 -

1 stop6h 55m

Deal found 2/9£265

Thu 1/1006:10 -

1 stop11h 35m

Thu 8/1017:35 -

1 stop13h 20m

Deal found 1/9£292

Thu 8/1017:30 -

1 stop15h 20m

Wed 14/1020:00 -

1 stop12h 20m

Deal found 2/9£299

Thu 8/1008:10 -

1 stop9h 35m

Wed 14/1009:00 -

1 stop9h 20m

Deal found 2/9£310

Thu 1/1007:00 -

1 stop10h 45m

Thu 8/1019:20 -

2 stops13h 30m

Deal found 1/9£321

Thu 24/916:00 -

2 stops18h 55m

Sun 27/919:35 -

2 stops18h 25m

Deal found 3/9£334

Best flights from Belfast to Keflavik Intl
Discover carefully curated flight deals from Belfast to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Thu 8/1006:35 -

1 stop11h 10m

Wed 14/1019:55 -

2 stops15h 25m

Deal found 2/9£221

Thu 4/221:00 -

1 stop12h 15m

Mon 8/219:35 -

1 stop12h 45m

Deal found 1/9£223

Thu 10/1214:10 -

1 stop26h 55m

Mon 14/1211:55 -

1 stop6h 55m

Deal found 2/9£265

Thu 8/1017:30 -

1 stop15h 20m

Wed 14/1020:00 -

1 stop12h 20m

Deal found 2/9£299

Tue 29/917:20 -

2 stops26h 05m

Tue 6/1019:55 -

2 stops15h 20m

Deal found 30/8£222

Sat 24/1015:35 -

2 stops20h 05m

Tue 27/1010:50 -

1 stop8h 20m

Deal found 1/9£232

Thu 1/1006:10 -

1 stop11h 35m

Thu 8/1017:35 -

1 stop13h 20m

Deal found 1/9£292

Thu 1/1013:00 -

2 stops11h 10m

Thu 8/1017:35 -

1 stop13h 20m

Deal found 1/9£263

Thu 8/1008:10 -

1 stop9h 35m

Wed 14/1009:00 -

1 stop9h 20m

Deal found 2/9£310

Wed 30/1217:35 -

1 stop17h 05m

Sun 3/111:50 -

1 stop8h 35m

Deal found 30/8£348

Thu 1/1009:50 -

2 stops14h 20m

Thu 8/1019:20 -

2 stops13h 30m

Deal found 1/9£335

Thu 8/1006:50 -

3 stops17h 20m

Wed 14/1019:55 -

2 stops18h 00m

Deal found 2/9£339

Thu 24/907:00 -

2 stops12h 55m

Sun 27/908:55 -

1 stop23h 05m

Deal found 3/9£370

Wed 30/1207:00 -

2 stops27h 40m

Sun 3/111:50 -

1 stop8h 35m

Deal found 30/8£473

Thu 24/908:20 -

1 stop8h 25m

Sun 27/910:10 -

1 stop9h 40m

Deal found 3/9£497

Find flight deals from Belfast to Keflavik Intl

Round-trip from	£135
One-way from	£78

easyJet
24/10-27/10
2 total stops
25h 25m total
Belfast to Reykjavik

Search Deals

16/10-31/12
1 total stop
23h 10m total
Belfast to Reykjavik

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastReykjavik

BFS Belfast Intl - KEF Reykjavik Keflavik Intl

BFSKEF

Belfast Intl

Fri 16/10

09:40-07:50

1 stop23h 10m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£78

Fastest return journey

BelfastReykjavik

BFS Belfast Intl - KEF Reykjavik Keflavik Intl

BFSKEF

Belfast Intl

Fri 16/10

22:15-07:50

1 stop10h 35m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£83

BelfastReykjavik

BHD Belfast City - KEF Reykjavik Keflavik Intl

BHDKEF

Belfast City

Fri 16/10

12:10-07:50

1 stop20h 40m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£90

BelfastReykjavik

BHD Belfast City - KEF Reykjavik Keflavik Intl

BHDKEF

Belfast City

Fri 16/10

18:30-07:50

1 stop14h 20m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£96

BelfastReykjavik

BFS Belfast Intl - KEF Reykjavik Keflavik Intl

BFSKEF

Belfast Intl

Thu 8/10

06:35-18:40

2 stops13h 05m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£111

BelfastReykjavik

BFS Belfast Intl - KEF Reykjavik Keflavik Intl

BFSKEF

Belfast Intl

Thu 8/10

06:10-16:45

1 stop11h 35m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£128

BelfastReykjavik

BHD Belfast City - KEF Reykjavik Keflavik Intl

BHDKEF

Belfast City

Thu 8/10

15:25-17:05

2 stops26h 40m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£129

BelfastReykjavik

BFS Belfast Intl - KEF Reykjavik Keflavik Intl

BFSKEF

Belfast Intl

Thu 8/10

06:35-16:45

1 stop11h 10m

Reykjavik Keflavik Intl

Wed 14/10

19:55-12:20

2 stops15h 25m

£221

BelfastReykjavik

BHD Belfast City - KEF Reykjavik Keflavik Intl

BHDKEF

Belfast City

Tue 29/9

17:20-18:25

2 stops26h 05m

Reykjavik Keflavik Intl

Tue 6/10

19:55-12:15

2 stops15h 20m

£222

BelfastReykjavik

BFS Belfast Intl - KEF Reykjavik Keflavik Intl

BFSKEF

Belfast Intl

Thu 4/2

21:00-09:15

1 stop12h 15m

Reykjavik Keflavik Intl

Mon 8/2

19:35-08:20

1 stop12h 45m

£223

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 22 resultsSorted by cheapest first

Best time to book a flight from Belfast to Keflavik Intl

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

BF1-KEF

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 Belfast to Reykjavik Keflavik Intl Airport

BF1-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 Belfast to Reykjavik Keflavik Intl Airport?
Departing from Belfast to Reykjavik Keflavik Intl Airport will take you 12h 15m. The distance from Belfast to Reykjavik Keflavik Intl Airport is about 860 mi. This flight may include one or multiple stops.
Can I find deals for flights from Belfast to Keflavik Intl that include hotel bookings?
Yes. In addition to deals on Belfast to Keflavik Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to Keflavik Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Keflavik Intl.
Can I find deals for business class flights from Belfast to Keflavik Intl?
Yes. Cheapflights offers flight deals from Belfast 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

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Keflavik

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast 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 Belfast to Keflavik Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Keflavik Intl from Belfast.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast to Keflavik Intl flexibly with Cheapflights today.

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Cheap flights from Belfast to Reykjavik Keflavik Intl Airport from £78

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast to Keflavik Intl

Cheapest flights from Belfast to Keflavik IntlExplore the most affordable flight options available from Belfast to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Explore the most affordable flight options available from Belfast to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Best flights from Belfast to Keflavik IntlDiscover carefully curated flight deals from Belfast to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Discover carefully curated flight deals from Belfast to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Last-minute flights from Belfast to Keflavik IntlDiscover last-minute flight deals from Belfast to Keflavik Intl. Data last updated 3 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast to Keflavik Intl. Data last updated 3 September 2026 and is based on user searches.

One-way flights from Belfast to Keflavik IntlSearch for one-way flight options from Belfast to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Search for one-way flight options from Belfast to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Find flight deals from Belfast to Keflavik Intl

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

Best time to book a flight from Belfast to Keflavik Intl

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

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Related info for your journey

How long is the flight from Belfast to Reykjavik Keflavik Intl Airport?

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

How can I find direct flights from Belfast to Keflavik Intl?

Can I find deals for business class flights from Belfast 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 Belfast 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 Belfast to Keflavik Intl by cabin class

Find flights from Belfast 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 3 September 2026.

Belfast and Keflavik Intl flights

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

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

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

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

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Cheapest flights from Belfast to Keflavik Intl
Explore the most affordable flight options available from Belfast to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Best flights from Belfast to Keflavik Intl
Discover carefully curated flight deals from Belfast to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Last-minute flights from Belfast to Keflavik Intl
Discover last-minute flight deals from Belfast to Keflavik Intl. Data last updated 3 September 2026 and is based on user searches.

One-way flights from Belfast to Keflavik Intl
Search for one-way flight options from Belfast to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.