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

There are many flights that can get you from Reykjavik Keflavik Intl Airport to Belfast in 22h 30m. Fly via easyJet to get the fastest option. The distance between Reykjavik Keflavik Intl Airport and Belfast is about 860 mi.

In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Reykjavik Keflavik Intl Airport to Belfast as you normally would.

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

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

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

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

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

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

£104+ Cheap Flights from Reykjavik Keflavik Intl Airport to Belfast

Cheap flight deals from Keflavik Intl to Belfast

Enter your travel dates to find the best prices.

Cheapest

Best

Cheapest flights from Keflavik Intl to Belfast
Explore the most affordable flight options available from Keflavik Intl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Mon 14/1209:35 -

1 stop22h 30m

Mon 21/1206:50 -

1 stop27h 00m

Deal found 30/10£104

Thu 3/1210:05 -

1 stop10h 15m

Thu 10/1221:05 -

1 stop11h 50m

Deal found 27/10£124

Sun 13/1211:35 -

1 stop8h 45m

Sun 20/1219:45 -

1 stop13h 10m

Deal found 29/10£136

Thu 3/1221:55 -

1 stop10h 00m

Thu 10/1217:20 -

2 stops16h 30m

Deal found 27/10£176

Mon 14/1220:10 -

1 stop11h 45m

Mon 21/1206:20 -

2 stops12h 25m

Deal found 30/10£202

Sun 13/1221:45 -

1 stop9h 00m

Sun 20/1216:40 -

2 stops17h 10m

Deal found 29/10£210

Find flight deals from Keflavik Intl to Belfast

Round-trip from	£104

easyJet
14/12-21/12
2 total stops
49h 30m total
Reykjavik to Belfast

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Cheapflights Fare Finder

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

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Depart

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Cheapest return flight

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Mon 14/12

09:35-08:05

1 stop22h 30m

Belfast Intl

Mon 21/12

06:50-09:50

1 stop27h 00m

£104

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Sat 9/1

10:30-08:55

1 stop22h 25m

Belfast Intl

Fri 15/1

19:50-09:50

1 stop14h 00m

£121

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Thu 3/12

10:05-20:20

1 stop10h 15m

Belfast Intl

Thu 10/12

21:05-08:55

1 stop11h 50m

£124

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Thu 7/1

09:20-07:50

1 stop22h 30m

Belfast Intl

Thu 14/1

16:05-19:00

1 stop26h 55m

£129

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Sat 9/1

10:30-16:15

1 stop5h 45m

Belfast Intl

Sun 17/1

17:15-08:55

1 stop15h 40m

£130

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Sun 13/12

11:35-20:20

1 stop8h 45m

Belfast Intl

Sun 20/12

19:45-08:55

1 stop13h 10m

£136

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Fri 8/1

09:35-17:20

1 stop7h 45m

Belfast Intl

Wed 13/1

21:20-09:15

1 stop11h 55m

£167

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Thu 3/12

21:55-07:55

1 stop10h 00m

Belfast Intl

Thu 10/12

17:20-09:50

2 stops16h 30m

£176

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Mon 4/1

09:35-14:05

1 stop4h 30m

Belfast Intl

Sat 16/1

13:00-20:20

1 stop7h 20m

£198

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Mon 14/12

20:10-07:55

1 stop11h 45m

Belfast Intl

Mon 21/12

06:20-18:45

2 stops12h 25m

£202

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 12 resultsSorted by cheapest first

Best time to book a flight from Keflavik Intl to Belfast

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

KEF-BF1

KEF-BFS

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 Belfast

KEF-BF1

KEF-BFS

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

Related info for your journey

How long is the flight from Reykjavik Keflavik Intl Airport to Belfast?
There are many flights that can get you from Reykjavik Keflavik Intl Airport to Belfast in 22h 30m. Fly via easyJet to get the fastest option. The distance between Reykjavik Keflavik Intl Airport and Belfast is about 860 mi.
Can I find deals for flights from Keflavik Intl to Belfast that include hotel bookings?
Yes. In addition to deals on Keflavik Intl to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Keflavik Intl to Belfast?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Keflavik Intl to Belfast.
Can I find deals for business class flights from Keflavik Intl to Belfast?
Yes. Cheapflights offers flight deals from Keflavik Intl to Belfast 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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Alternative routes

Complete your trip

Direct flights to Northern Ireland

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Alternative routes for Keflavik Intl to Belfast

Keflavik Intl to Belfast Intl flights

Keflavik Intl to Belfast City flights

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

Cheapflights makes it easy to find Keflavik Intl to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Keflavik Intl to Belfast.

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

Need flexible booking options for your flight to Belfast from Keflavik Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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Cheap flights from Reykjavik Keflavik Intl Airport to Belfast from £104

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Keflavik Intl to Belfast

Cheapest flights from Keflavik Intl to BelfastExplore the most affordable flight options available from Keflavik Intl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Explore the most affordable flight options available from Keflavik Intl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Keflavik Intl to BelfastDiscover carefully curated flight deals from Keflavik Intl to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Keflavik Intl to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Find flight deals from Keflavik Intl to Belfast

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Best time to book a flight from Keflavik Intl to Belfast

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Cheapflights Insights

Related info for your journey

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Keflavik Intl to Belfast

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

Complete your trip

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

Direct flights to Northern Ireland

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

Search flights from Keflavik Intl to Belfast by cabin class

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

Keflavik Intl and Belfast flights

Browse other Keflavik Intl and Belfast flight options. Last updated on 30 October 2026.

Other flights from Keflavik Intl

Browse through other flights departing from Keflavik Intl. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

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

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

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

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

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Travel Smart

Cheapest flights from Keflavik Intl to Belfast
Explore the most affordable flight options available from Keflavik Intl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Keflavik Intl to Belfast
Discover carefully curated flight deals from Keflavik Intl to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.