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Cheap flights from Belfast to Reykjavik Keflavik Intl Airport from £145

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — KEF
27 Jun — 4 Jul1
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 28 May 2026.

Mon 2/1119:10
BFS
-
KEF
1 stop14h 40m
easyJet
Mon 9/1119:35
KEF
-
BFS
1 stop12h 45m
easyJet
Deal found 24/5£205
Tue 21/722:05
BFS
-
KEF
1 stop10h 35m
easyJet
Sun 26/708:55
KEF
-
BFS
1 stop13h 30m
easyJet
Deal found 24/5£206
Tue 21/723:30
BFS
-
KEF
1 stop9h 10m
Multiple Airlines
Sun 26/719:00
KEF
-
BFS
2 stops25h 30m
Multiple Airlines
Deal found 28/5£231
Mon 2/1110:05
BHD
-
KEF
1 stop8h 40m
Multiple Airlines
Mon 9/1107:35
KEF
-
BHD
1 stop9h 40m
Multiple Airlines
Deal found 24/5£252
Wed 24/607:30
BFS
-
KEF
2 stops25h 50m
Multiple Airlines
Wed 1/720:00
KEF
-
BFS
2 stops18h 20m
Multiple Airlines
Deal found 27/5£253
Mon 17/820:15
BFS
-
KEF
2 stops22h 05m
Multiple Airlines
Sun 23/818:00
KEF
-
BFS
2 stops26h 30m
Multiple Airlines
Deal found 26/5£283
Sat 20/609:30
BFS
-
KEF
2 stops10h 45m
Multiple Airlines
Sat 27/608:30
KEF
-
BFS
1 stop7h 00m
Multiple Airlines
Deal found 23/5£285
Sat 20/621:30
BFS
-
KEF
1 stop11h 45m
easyJet
Sat 27/608:30
KEF
-
BFS
1 stop23h 30m
easyJet
Deal found 23/5£286
Wed 24/616:45
BHD
-
KEF
2 stops16h 35m
Multiple Airlines
Wed 1/720:00
KEF
-
BHD
2 stops18h 30m
Multiple Airlines
Deal found 27/5£295
Sat 20/607:00
BHD
-
KEF
2 stops13h 15m
Multiple Airlines
Sat 27/608:30
KEF
-
BHD
1 stop11h 20m
Multiple Airlines
Deal found 23/5£315
Sun 1/1106:30
BHD
-
KEF
1 stop10h 35m
British Airways
Thu 5/1111:45
KEF
-
BHD
1 stop7h 25m
British Airways
Deal found 27/5£330
Mon 2/1109:40
BHD
-
KEF
2 stops25h 45m
KLM
Mon 9/1114:45
KEF
-
BHD
1 stop18h 25m
KLM
Deal found 24/5£352

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 28 May 2026.

Round-trip from

£205

One-way from

£145
easyJet
  • easyJet
  • 2/11-9/11
  • 2 total stops
  • 27h 25m total
  • Belfast to Reykjavik
Search Deals
easyJet
  • easyJet
  • 8/10
  • 1 total stop
  • 11h 35m 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 28 May 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

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 2/11

19:10-09:50

1 stop14h 40m

Reykjavik Keflavik Intl

Mon 9/11

19:35-08:20

1 stop12h 45m

£205

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 21/7

22:05-07:40

1 stop10h 35m

Reykjavik Keflavik Intl

Sun 26/7

08:55-23:25

1 stop13h 30m

£206

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 24/6

07:30-08:20

2 stops25h 50m

Reykjavik Keflavik Intl

Wed 1/7

20:00-15:20

2 stops18h 20m

£253

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 21/7

08:00-07:40

2 stops24h 40m

Reykjavik Keflavik Intl

Sun 26/7

19:00-21:30

2 stops25h 30m

£257

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 20/6

21:30-08:15

1 stop11h 45m

Reykjavik Keflavik Intl

Sat 27/6

08:30-09:00

1 stop23h 30m

£286

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 17/8

16:00-17:20

3 stops26h 20m

Reykjavik Keflavik Intl

Sun 23/8

18:00-21:30

2 stops26h 30m

£310

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Sat 20/6

07:00-19:15

2 stops13h 15m

Reykjavik Keflavik Intl

Sat 27/6

08:30-20:50

1 stop11h 20m

£315

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 24/6

21:50-08:05

1 stop11h 15m

Reykjavik Keflavik Intl

Wed 1/7

08:20-20:35

1 stop11h 15m

£323

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Sun 8/11

20:25-10:55

1 stop14h 30m

Reykjavik Keflavik Intl

Thu 12/11

11:45-20:15

1 stop8h 30m

£330

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Sun 1/11

06:30-17:05

1 stop10h 35m

Reykjavik Keflavik Intl

Thu 5/11

11:45-19:10

1 stop7h 25m

£330

Flights are sorted by cheapest return flights first.

Deals found on 27/5

Showing 1-10 of 17 resultsSorted by cheapest first
1
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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 14h 30m. The distance from Belfast to Reykjavik Keflavik Intl Airport is about 870 mi. This flight may include one or multiple stops.

  • 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 Intl to Keflavik Intl flights
Belfast City to Keflavik Intl flights

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

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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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