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Cheap flights from Belfast to Reykjavik Keflavik Intl Airport from £88

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 20/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — KEF
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Keflavik Intl

Enter your travel dates to find the best prices.

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 23 December 2025.

Thu 5/206:30BFS - KEF
1 stop10h 45measyJet
Thu 12/217:55KEF - BFS
1 stop14h 25measyJet
Deal found 21/12£149
Thu 5/206:15BFS - KEF
2 stops12h 40mMultiple Airlines
Thu 12/210:05KEF - BFS
1 stop6h 05mMultiple Airlines
Deal found 21/12£149
Sun 22/320:25BHD - KEF
1 stop14h 30mBritish Airways
Wed 25/311:50KEF - BHD
1 stop6h 50mBritish Airways
Deal found 19/12£324
Thu 12/207:25BHD - KEF
1 stop9h 50measyJet
Sun 15/219:30KEF - BHD
1 stop12h 00measyJet
Deal found 20/12£201
Fri 13/216:30BHD - KEF
2 stops17h 10mMultiple Airlines
Sun 15/209:35KEF - BHD
1 stop5h 40mMultiple Airlines
Deal found 20/12£249
Thu 12/207:25BHD - KEF
1 stop9h 50mMultiple Airlines
Sun 15/209:35KEF - BHD
1 stop11h 15mMultiple Airlines
Deal found 20/12£267
Fri 13/207:20BHD - KEF
1 stop11h 00measyJet
Sun 15/219:30KEF - BHD
1 stop12h 00measyJet
Deal found 20/12£301
Mon 6/414:25BHD - KEF
1 stop18h 50mMultiple Airlines
Mon 13/409:00KEF - BHD
2 stops11h 10mMultiple Airlines
Deal found 22/12£284
Tue 3/308:45BHD - KEF
1 stop26h 05mBritish Airways
Sat 7/311:55KEF - BHD
1 stop7h 20mBritish Airways
Deal found 20/12£360
Tue 20/110:00BHD - KEF
1 stop24h 50mBritish Airways
Sat 24/111:55KEF - BHD
1 stop26h 20mBritish Airways
Deal found 20/12£368

Find flight deals from Belfast to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 December 2025.

Round-trip from

£149

One-way from

£88
easyJet
  • easyJet
  • 5/2-12/2
  • 2 total stops
  • 25h 10m total
  • Belfast to Reykjavik
Search Deals
20/2
  • 20/2
  • 1 total stop
  • 5h 55m total
  • Belfast to Reykjavik
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Keflavik Intl 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 23 December 2025.
Use the filters below to find and compare flights from Belfast to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Belfast

Fly to

Keflavik Intl

Route

Depart

Return

Price

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 5/2

06:30-17:15

1 stop10h 45m

Reykjavik Keflavik Intl

Thu 12/2

17:55-08:20

1 stop14h 25m

£149

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 5/2

06:15-18:55

2 stops12h 40m

Reykjavik Keflavik Intl

Thu 12/2

10:05-16:10

1 stop6h 05m

£149

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Thu 12/2

07:25-17:15

1 stop9h 50m

Reykjavik Keflavik Intl

Sun 15/2

19:30-07:30

1 stop12h 00m

£201

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Fri 13/2

16:30-09:40

2 stops17h 10m

Reykjavik Keflavik Intl

Sun 15/2

09:35-15:15

1 stop5h 40m

£249

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Thu 12/2

07:25-17:15

1 stop9h 50m

Reykjavik Keflavik Intl

Sun 15/2

09:35-20:50

1 stop11h 15m

£267

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Mon 6/4

14:25-08:15

1 stop18h 50m

Reykjavik Keflavik Intl

Mon 13/4

09:00-21:10

2 stops11h 10m

£284

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Fri 13/2

07:20-18:20

1 stop11h 00m

Reykjavik Keflavik Intl

Sun 15/2

19:30-07:30

1 stop12h 00m

£301

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Sun 22/3

20:25-10:55

1 stop14h 30m

Reykjavik Keflavik Intl

Wed 25/3

11:50-18:40

1 stop6h 50m

£324

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Tue 3/3

08:45-10:50

1 stop26h 05m

Reykjavik Keflavik Intl

Sat 7/3

11:55-19:15

1 stop7h 20m

£360

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Tue 20/1

10:00-10:50

1 stop24h 50m

Reykjavik Keflavik Intl

Sat 24/1

11:55-14:15

1 stop26h 20m

£368

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 20 results
1
2

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.
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

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

Find hourly flight availability from Belfast to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 December 2025.

It’s typically best to fly out from Belfast to Reykjavik Keflavik Intl Airport at midday. Doing so could potentially save you 64% on the flight price compared to flying in the afternoon, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Belfast 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 Belfast to Reykjavik Keflavik Intl Airport?

    Departing from Belfast to Reykjavik Keflavik Intl Airport will take you 10h 45m. The distance from Belfast to Reykjavik Keflavik Intl Airport is about 860 mi.

  • 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

Travelling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Hveragerdi
Keflavik

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.
Belfast Intl to Keflavik Intl flights
Belfast City to Keflavik Intl flights

Fly with Cheapflights

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

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.

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

Of course! You can now track prices for flights from Belfast to Keflavik Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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