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.

£176+ 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.

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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 4 September 2026.

Mon 26/1020:10 -

1 stop13h 40m

Mon 2/1107:20 -

1 stop11h 25m

Deal found 4/9£176

Mon 19/1017:25 -

2 stops17h 50m

Mon 26/1014:00 -

2 stops18h 15m

Deal found 4/9£215

Wed 30/908:20 -

1 stop10h 30m

Wed 7/1015:40 -

2 stops17h 40m

Deal found 2/9£224

Wed 30/919:05 -

2 stops18h 50m

Wed 7/1012:45 -

2 stops20h 35m

Deal found 2/9£238

Thu 15/1008:55 -

1 stop12h 25m

Thu 22/1008:20 -

1 stop8h 25m

Deal found 31/8£275

Wed 2/917:35 -

2 stops24h 40m

Wed 7/1015:40 -

2 stops17h 40m

Deal found 2/9£277

Wed 2/917:35 -

2 stops17h 05m

Wed 7/1012:45 -

2 stops20h 35m

Deal found 2/9£330

Wed 2/911:00 -

1 stop6h 55m

Wed 7/1020:35 -

1 stop14h 05m

Deal found 2/9£656

Find flight deals from Keflavik Intl to Belfast

Round-trip from	£176

easyJet
26/10-2/11
2 total stops
25h 05m 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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Fly to

Route

Depart

Return

Price

Cheapest return flight

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BHD Belfast City

KEFBHD

Reykjavik Keflavik Intl

Mon 26/10

20:10-09:50

1 stop13h 40m

Belfast City

Mon 2/11

08:00-08:15

2 stops24h 15m

£178

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Mon 19/10

17:25-12:15

2 stops17h 50m

Belfast Intl

Mon 26/10

14:00-08:15

2 stops18h 15m

£215

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Wed 30/9

08:20-19:50

1 stop10h 30m

Belfast Intl

Wed 7/10

15:40-08:20

2 stops17h 40m

£224

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BFS Belfast Intl

KEFBFS

Reykjavik Keflavik Intl

Thu 15/10

08:55-22:20

1 stop12h 25m

Belfast Intl

Thu 22/10

06:35-18:55

2 stops13h 20m

£226

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BHD Belfast City

KEFBHD

Reykjavik Keflavik Intl

Wed 30/9

19:05-14:55

2 stops18h 50m

Belfast City

Wed 7/10

12:45-08:20

2 stops20h 35m

£238

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BHD Belfast City

KEFBHD

Reykjavik Keflavik Intl

Fri 18/9

17:15-18:10

2 stops23h 55m

Belfast City

Wed 31/12

00:00-23:00

Nonstop0h 00m

£414

Fastest return journey

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BHD Belfast City

KEFBHD

Reykjavik Keflavik Intl

Fri 18/9

08:50-16:55

1 stop7h 05m

Belfast City

Wed 31/12

00:00-23:00

Nonstop0h 00m

£536

ReykjavikBelfast

KEF Reykjavik Keflavik Intl - BHD Belfast City

KEFBHD

Reykjavik Keflavik Intl

Fri 18/9

10:30-19:25

1 stop7h 55m

Belfast City

Wed 31/12

00:00-23:00

Nonstop0h 00m

£563

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Sorted 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-BHD

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-BHD

KEF-BFS

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

Related info for your journey

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.

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Northern Ireland

Flights by cabin class

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Popular flights

Alternative routes for Keflavik Intl to Belfast

Keflavik Intl to Belfast Intl flights

Keflavik Intl to Belfast City flights

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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?

Not ready to book yet? You can track prices for flights from Keflavik Intl to Belfast on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Reykjavik Keflavik Intl Airport to Belfast from £176

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. 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 4 September 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 4 September 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 4 September 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 4 September 2026.

Last-minute flights from Keflavik Intl to BelfastDiscover last-minute flight deals from Keflavik Intl to Belfast. Data last updated 4 September 2026 and is based on user searches.

Discover last-minute flight deals from Keflavik Intl to Belfast. Data last updated 4 September 2026 and is based on user searches.

One-way flights from Keflavik Intl to BelfastSearch for one-way flight options from Keflavik Intl to Belfast. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.

Search for one-way flight options from Keflavik Intl to Belfast. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.

Find flight deals from Keflavik Intl to Belfast

Round-trip from

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

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.

Cheapflights Insights

Related info for your journey

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 4 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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 4 September 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 4 September 2026.

Last-minute flights from Keflavik Intl to Belfast
Discover last-minute flight deals from Keflavik Intl to Belfast. Data last updated 4 September 2026 and is based on user searches.

One-way flights from Keflavik Intl to Belfast
Search for one-way flight options from Keflavik Intl to Belfast. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.