Cheap flights from Belfast to Reykjavik Keflavik Intl Airport from £62

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — KEF
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Belfast to Keflavik Intl

Enter your travel dates to find the best prices.

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 7 November 2025.

Mon 8/1221:00BFS - KEF
1 stop13h 15measyJet
Thu 11/1218:05KEF - BFS
1 stop14h 10measyJet
Deal found 6/11£131
Mon 8/1221:00BFS - KEF
1 stop13h 15measyJet
Mon 15/1212:00KEF - BFS
1 stop19h 55measyJet
Deal found 6/11£150
Sun 7/1207:30BFS - KEF
1 stop11h 10measyJet
Thu 11/1218:05KEF - BFS
1 stop14h 10measyJet
Deal found 6/11£156
Mon 8/1210:05BHD - KEF
1 stop24h 10measyJet
Mon 15/1212:00KEF - BHD
1 stop20h 30measyJet
Deal found 5/11£161
Mon 8/1210:05BHD - KEF
1 stop24h 10measyJet
Fri 12/1219:15KEF - BHD
1 stop18h 10measyJet
Deal found 6/11£163
Mon 8/1208:00BHD - KEF
1 stop11h 00measyJet
Thu 11/1210:05KEF - BHD
1 stop6h 00measyJet
Deal found 6/11£166
Mon 8/1221:00BFS - KEF
2 stops22h 35mMultiple Airlines
Fri 12/1219:40KEF - BFS
1 stop13h 10mMultiple Airlines
Deal found 6/11£196
Sun 7/1205:45BFS - KEF
2 stops13h 10mMultiple Airlines
Thu 11/1218:05KEF - BFS
1 stop14h 10mMultiple Airlines
Deal found 6/11£200
Sun 7/1215:50BHD - KEF
1 stop27h 10measyJet
Thu 11/1210:05KEF - BHD
1 stop6h 00measyJet
Deal found 6/11£209
Thu 27/1107:05BFS - KEF
1 stop10h 55mMultiple Airlines
Sun 30/1119:35KEF - BFS
2 stops14h 05mMultiple Airlines
Deal found 5/11£211
Mon 8/1221:00BFS - KEF
1 stop13h 15mMultiple Airlines
Mon 15/1207:40KEF - BFS
2 stops24h 40mMultiple Airlines
Deal found 7/11£212
Sun 7/1206:55BHD - KEF
2 stops12h 00mMultiple Airlines
Thu 11/1210:05KEF - BHD
1 stop6h 00mMultiple Airlines
Deal found 6/11£228

Cheap 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 7 November 2025.

Round-trip from

£131

One-way from

£62
easyJet
  • easyJet
  • 8/12-11/12
  • 2 total stops
  • 27h 25m total
  • Belfast to Reykjavik
easyJet
  • easyJet
  • 8/12
  • 1 total stop
  • 13h 15m total
  • Belfast to Reykjavik

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 7 November 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

Mon 8/12

21:00-10:15

1 stop13h 15m

Reykjavik Keflavik Intl

Thu 11/12

18:05-08:15

1 stop14h 10m

£131

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 8/12

21:00-10:15

1 stop13h 15m

Reykjavik Keflavik Intl

Mon 15/12

12:00-07:55

1 stop19h 55m

£150

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 8/12

21:00-10:15

1 stop13h 15m

Reykjavik Keflavik Intl

Fri 12/12

19:40-08:20

1 stop12h 40m

£150

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sun 7/12

07:30-18:40

1 stop11h 10m

Reykjavik Keflavik Intl

Thu 11/12

18:05-08:15

1 stop14h 10m

£156

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Mon 8/12

10:05-10:15

1 stop24h 10m

Reykjavik Keflavik Intl

Mon 15/12

12:00-08:30

1 stop20h 30m

£161

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Mon 8/12

10:05-10:15

1 stop24h 10m

Reykjavik Keflavik Intl

Fri 12/12

19:15-13:25

1 stop18h 10m

£163

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Mon 8/12

08:00-19:00

1 stop11h 00m

Reykjavik Keflavik Intl

Thu 11/12

10:05-16:05

1 stop6h 00m

£166

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sun 19/4

07:00-17:55

1 stop11h 55m

Reykjavik Keflavik Intl

Wed 22/4

10:30-23:10

1 stop11h 40m

£186

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 8/12

21:00-19:35

2 stops22h 35m

Reykjavik Keflavik Intl

Fri 12/12

19:40-08:50

1 stop13h 10m

£196

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 8/12

21:00-19:35

2 stops22h 35m

Reykjavik Keflavik Intl

Mon 15/12

07:40-21:55

1 stop14h 15m

£200

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 29 results
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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 7 November 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 13h 15m. 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

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