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Cheap flights from Belfast Intl Airport to Reykjavik Keflavik Intl Airport from £78

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — KEF
18 Mar — 25 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Keflavik Intl

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Keflavik Intl
Explore the most affordable flight options available from Belfast Intl to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 February 2026.

Wed 18/208:00
BFS
-
KEF
Nonstop2h 45m
Jet2
Sun 22/211:45
KEF
-
BFS
Nonstop2h 40m
Jet2
Deal found 13/2£112
Mon 20/420:15
BFS
-
KEF
1 stop13h 00m
easyJet
Thu 23/408:45
KEF
-
BFS
1 stop5h 30m
easyJet
Deal found 15/2£127
Mon 20/421:55
BFS
-
KEF
1 stop11h 20m
Multiple Airlines
Thu 23/419:35
KEF
-
BFS
2 stops18h 45m
Multiple Airlines
Deal found 15/2£152
Tue 10/306:30
BFS
-
KEF
1 stop11h 15m
Multiple Airlines
Sat 14/310:20
KEF
-
BFS
2 stops20h 25m
Multiple Airlines
Deal found 15/2£172
Tue 17/312:10
BFS
-
KEF
1 stop4h 15m
easyJet
Tue 24/318:35
KEF
-
BFS
1 stop13h 05m
easyJet
Deal found 15/2£188
Sat 7/320:00
BFS
-
KEF
1 stop14h 45m
Multiple Airlines
Wed 11/311:45
KEF
-
BFS
1 stop6h 10m
Multiple Airlines
Deal found 16/2£193
Tue 17/312:10
BFS
-
KEF
1 stop4h 15m
Multiple Airlines
Tue 24/319:15
KEF
-
BFS
2 stops18h 55m
Multiple Airlines
Deal found 15/2£198
Wed 18/207:55
BFS
-
KEF
1 stop10h 30m
Multiple Airlines
Sun 22/211:45
KEF
-
BFS
Nonstop2h 40m
Multiple Airlines
Deal found 13/2£213

Find flight deals from Belfast Intl to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) 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 16 February 2026.

Round-trip from

£127

One-way from

£78
easyJet
  • easyJet
  • 20/4-23/4
  • 2 total stops
  • 18h 30m total
  • Belfast to Reykjavik
Search Deals
easyJet
  • easyJet
  • 9/3
  • 1 total stop
  • 13h 15m total
  • Belfast to Reykjavik
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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 16 February 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Belfast Intl

Fly to

Keflavik Intl

Route

Depart

Return

Price

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 20/4

20:15-08:15

1 stop13h 00m

Reykjavik Keflavik Intl

Thu 23/4

08:45-15:15

1 stop5h 30m

£127

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 20/4

21:55-08:15

1 stop11h 20m

Reykjavik Keflavik Intl

Thu 23/4

19:35-15:20

2 stops18h 45m

£152

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 10/3

06:30-17:45

1 stop11h 15m

Reykjavik Keflavik Intl

Sat 14/3

10:20-06:45

2 stops20h 25m

£172

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 7/3

20:00-10:45

1 stop14h 45m

Reykjavik Keflavik Intl

Wed 11/3

11:45-17:55

1 stop6h 10m

£193

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 17/3

12:10-16:25

1 stop4h 15m

Reykjavik Keflavik Intl

Tue 24/3

19:15-14:10

2 stops18h 55m

£198

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 31/3

21:10-07:40

1 stop11h 30m

Reykjavik Keflavik Intl

Tue 7/4

10:10-20:40

1 stop9h 30m

£282

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 9/3

21:00-10:15

1 stop13h 15m

£78

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 4/3

20:55-09:15

1 stop12h 20m

£81

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 9/3

08:50-09:40

2 stops24h 50m

£87

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 6/3

18:00-18:35

2 stops24h 35m

£97

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Showing 1-10 of 17 results
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Best time to book a flight from Belfast Intl to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Belfast Intl 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.

Related info for your journey

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

    There are many flights that can get you from Belfast Intl Airport to Reykjavik Keflavik Intl Airport in 13h. Fly via easyJet to get the fastest option. The distance between Belfast Intl Airport and Reykjavik Keflavik Intl Airport is about 860 mi.

  • Can I find deals for flights from Belfast Intl to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Belfast Intl to Keflavik Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast Intl 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 Intl to Keflavik Intl.

  • Can I find deals for business class flights from Belfast Intl to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Belfast Intl 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 Intl to Keflavik Intl

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

Fly with Cheapflights

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

Deals for Belfast Intl to Keflavik Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Keflavik Intl?

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast Intl to Keflavik Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Belfast Intl to Keflavik Intl with no change fees?

Yes, we can. To see specific flights from Belfast Intl to Keflavik Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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