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Cheap flights from Belfast to Reykjavik Keflavik Intl Airport from £105

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — KEF
11 Jul — 18 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 11 June 2026.

Fri 3/722:15
BFS
-
KEF
1 stop10h 35m
easyJet
Wed 12/808:20
KEF
-
BFS
1 stop8h 30m
easyJet
Deal found 9/6£241
Tue 21/723:30
BFS
-
KEF
1 stop9h 10m
Multiple Airlines
Sun 26/719:00
KEF
-
BFS
2 stops25h 30m
Multiple Airlines
Deal found 7/6£253
Tue 21/722:05
BFS
-
KEF
1 stop10h 35m
easyJet
Sun 26/708:55
KEF
-
BFS
1 stop13h 30m
easyJet
Deal found 10/6£260
Fri 3/718:30
BHD
-
KEF
1 stop14h 20m
Multiple Airlines
Wed 12/808:20
KEF
-
BHD
1 stop8h 40m
Multiple Airlines
Deal found 9/6£267
Fri 31/716:20
BHD
-
KEF
1 stop16h 30m
Multiple Airlines
Tue 4/819:55
KEF
-
BHD
2 stops15h 20m
Multiple Airlines
Deal found 7/6£327
Wed 30/1217:40
BHD
-
KEF
1 stop17h 05m
British Airways
Sun 3/111:50
KEF
-
BHD
1 stop7h 50m
British Airways
Deal found 7/6£369
Mon 6/709:30
BHD
-
KEF
2 stops26h 25m
Multiple Airlines
Mon 13/720:30
KEF
-
BHD
1 stop12h 05m
Multiple Airlines
Deal found 8/6£383

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 11 June 2026.

Round-trip from

£232

One-way from

£105
easyJet
  • easyJet
  • 1/9-9/9
  • 2 total stops
  • 42h 00m total
  • Belfast to Reykjavik
Search Deals
easyJet
  • easyJet
  • 31/8
  • 1 total stop
  • 17h 15m 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 11 June 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

Tue 21/7

23:30-07:40

1 stop9h 10m

Reykjavik Keflavik Intl

Sun 26/7

19:00-21:30

2 stops25h 30m

£253

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

£260

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 22/7

20:15-15:45

2 stops20h 30m

Reykjavik Keflavik Intl

Wed 29/7

14:45-15:20

2 stops23h 35m

£294

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Fri 3/7

18:30-07:50

1 stop14h 20m

Reykjavik Keflavik Intl

Wed 12/8

08:20-11:15

2 stops25h 55m

£312

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Fri 31/7

17:05-07:50

2 stops15h 45m

Reykjavik Keflavik Intl

Tue 4/8

18:10-16:15

2 stops21h 05m

£362

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Mon 6/7

09:30-10:55

2 stops26h 25m

Reykjavik Keflavik Intl

Mon 13/7

20:30-09:35

1 stop12h 05m

£383
Fastest return journey

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Mon 6/7

09:50-19:50

1 stop11h 00m

Reykjavik Keflavik Intl

Mon 13/7

20:30-09:35

1 stop12h 05m

£460
Cheapest one-way

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 21/7

22:05-07:40

1 stop10h 35m

£117

BelfastReykjavik

BHD - KEF

BHDKEF

Belfast City

Tue 21/7

18:35-07:40

1 stop14h 05m

£120

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 31/8

05:50-08:45

2 stops27h 55m

£144

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 21 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 10h 35m. 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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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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