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Cheap flights from Belfast to Reykjavik Keflavik Intl Airport from £47

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — KEF
8 May — 15 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 8 April 2026.

Sat 30/521:40
BFS
-
KEF
1 stop11h 35m
Multiple Airlines
Sat 13/608:30
KEF
-
BFS
1 stop7h 00m
Multiple Airlines
Deal found 4/4£183
Wed 3/615:40
BFS
-
KEF
1 stop17h 25m
Multiple Airlines
Sat 13/608:30
KEF
-
BFS
1 stop7h 00m
Multiple Airlines
Deal found 4/4£185
Tue 2/623:30
BFS
-
KEF
1 stop9h 10m
Multiple Airlines
Sat 13/608:30
KEF
-
BFS
1 stop7h 00m
Multiple Airlines
Deal found 4/4£186
Fri 29/519:20
BFS
-
KEF
1 stop13h 30m
Multiple Airlines
Sat 13/608:30
KEF
-
BFS
1 stop7h 00m
Multiple Airlines
Deal found 4/4£189
Tue 2/623:30
BFS
-
KEF
1 stop9h 10m
Multiple Airlines
Mon 8/617:25
KEF
-
BFS
2 stops17h 50m
Multiple Airlines
Deal found 4/4£193
Fri 29/519:20
BFS
-
KEF
1 stop13h 30m
Multiple Airlines
Mon 8/617:25
KEF
-
BFS
2 stops17h 50m
Multiple Airlines
Deal found 4/4£195
Wed 3/615:40
BFS
-
KEF
1 stop17h 25m
Multiple Airlines
Mon 8/618:25
KEF
-
BFS
2 stops16h 50m
Multiple Airlines
Deal found 4/4£196
Thu 7/514:50
BFS
-
KEF
2 stops18h 35m
Multiple Airlines
Mon 11/517:25
KEF
-
BFS
2 stops17h 50m
Multiple Airlines
Deal found 4/4£199
Sat 30/521:40
BFS
-
KEF
1 stop11h 35m
Multiple Airlines
Sun 7/608:55
KEF
-
BFS
1 stop10h 45m
Multiple Airlines
Deal found 4/4£200
Wed 3/615:40
BFS
-
KEF
1 stop17h 25m
Multiple Airlines
Sun 7/608:55
KEF
-
BFS
1 stop10h 45m
Multiple Airlines
Deal found 4/4£202
Sun 10/522:10
BFS
-
KEF
2 stops19h 35m
Multiple Airlines
Thu 14/519:35
KEF
-
BFS
2 stops22h 55m
Multiple Airlines
Deal found 5/4£204
Mon 20/409:50
BHD
-
KEF
1 stop8h 15m
easyJet
Thu 23/417:20
KEF
-
BHD
1 stop13h 40m
easyJet
Deal found 7/4£217

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 8 April 2026.

Round-trip from

£183

One-way from

£47
30/5-13/6
  • 30/5-13/6
  • 2 total stops
  • 18h 35m total
  • Belfast to Reykjavik
Search Deals
Jet2
  • Jet2
  • 22/4
  • Nonstop
  • 2h 45m 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 8 April 2026.
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
Fastest return journey

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 30/5

21:40-08:15

1 stop11h 35m

Reykjavik Keflavik Intl

Sat 13/6

08:30-16:30

1 stop7h 00m

£183

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sun 10/5

22:10-16:45

2 stops19h 35m

Reykjavik Keflavik Intl

Thu 14/5

19:35-19:30

2 stops22h 55m

£204

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 29/5

19:20-07:50

1 stop13h 30m

Reykjavik Keflavik Intl

Sun 7/6

08:55-20:40

1 stop10h 45m

£207

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 7/5

08:20-08:25

2 stops25h 05m

Reykjavik Keflavik Intl

Thu 14/5

19:35-23:20

2 stops26h 45m

£207

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 19/5

06:40-09:55

2 stops28h 15m

Reykjavik Keflavik Intl

Tue 26/5

19:55-23:20

2 stops26h 25m

£216

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 18/5

20:15-19:15

2 stops24h 00m

Reykjavik Keflavik Intl

Sun 24/5

19:35-18:25

2 stops21h 50m

£244

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Mon 20/4

09:50-17:05

1 stop8h 15m

Reykjavik Keflavik Intl

Thu 23/4

19:35-20:50

2 stops24h 15m

£246

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 21/5

06:40-08:25

2 stops26h 45m

Reykjavik Keflavik Intl

Thu 28/5

08:35-08:20

2 stops22h 45m

£266

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Fri 1/5

18:30-07:50

1 stop14h 20m

Reykjavik Keflavik Intl

Mon 4/5

18:40-21:05

2 stops25h 25m

£277

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 30/4

06:35-18:55

2 stops13h 20m

Reykjavik Keflavik Intl

Mon 4/5

18:40-12:15

2 stops16h 35m

£292

Flights are sorted by cheapest return flights first.

Deals found on 4/4

Showing 1-10 of 35 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 16h 20m. The distance from Belfast to Reykjavik Keflavik Intl Airport is about 870 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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Alternative routes for Belfast to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Belfast City to Keflavik Intl flights
Belfast Intl to Keflavik Intl flights

Fly with Cheapflights

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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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