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Cheap flights from Belfast Intl Airport to Reykjavik Keflavik Intl Airport from £64

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.
BFS — KEF
12 Apr — 19 Apr1
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 13 March 2026.

Tue 10/320:55
BFS
-
KEF
1 stop14h 20m
easyJet
Tue 17/317:05
KEF
-
BFS
1 stop19h 15m
easyJet
Deal found 8/3£175
Sat 25/422:15
BFS
-
KEF
1 stop11h 15m
easyJet
Sat 2/508:30
KEF
-
BFS
1 stop11h 15m
easyJet
Deal found 11/3£177
Sat 25/421:40
BFS
-
KEF
1 stop11h 35m
Multiple Airlines
Sat 2/519:00
KEF
-
BFS
2 stops15h 55m
Multiple Airlines
Deal found 11/3£197
Mon 16/312:40
BFS
-
KEF
1 stop27h 45m
Multiple Airlines
Sun 22/311:15
KEF
-
BFS
1 stop20h 10m
Multiple Airlines
Deal found 10/3£211
Tue 10/305:45
BFS
-
KEF
1 stop28h 30m
Multiple Airlines
Tue 17/318:35
KEF
-
BFS
2 stops17h 45m
Multiple Airlines
Deal found 8/3£213
Thu 9/414:50
BFS
-
KEF
1 stop9h 45m
Multiple Airlines
Thu 16/419:35
KEF
-
BFS
2 stops26h 25m
Multiple Airlines
Deal found 12/3£249
Tue 9/620:15
BFS
-
KEF
2 stops24h 00m
Multiple Airlines
Thu 18/608:45
KEF
-
BFS
1 stop5h 35m
Multiple Airlines
Deal found 9/3£267
Fri 10/419:20
BFS
-
KEF
1 stop13h 30m
Multiple Airlines
Sun 12/419:35
KEF
-
BFS
2 stops21h 50m
Multiple Airlines
Deal found 12/3£275
Tue 9/622:30
BFS
-
KEF
1 stop10h 50m
easyJet
Thu 18/608:45
KEF
-
BFS
1 stop5h 30m
easyJet
Deal found 9/3£278

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 13 March 2026.

Round-trip from

£177

One-way from

£64
easyJet
  • easyJet
  • 25/4-2/5
  • 2 total stops
  • 22h 30m total
  • Belfast to Reykjavik
Search Deals
easyJet
  • easyJet
  • 22/4
  • 1 total stop
  • 11h 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 13 March 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 25/4

22:15-08:30

1 stop11h 15m

Reykjavik Keflavik Intl

Sat 2/5

08:30-20:45

1 stop11h 15m

£177

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 25/4

21:40-08:15

1 stop11h 35m

Reykjavik Keflavik Intl

Sat 2/5

19:00-11:55

2 stops15h 55m

£197

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 9/4

08:20-08:10

2 stops24h 50m

Reykjavik Keflavik Intl

Thu 16/4

19:35-23:00

2 stops26h 25m

£272
Fastest return journey

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 9/6

22:30-08:20

1 stop10h 50m

Reykjavik Keflavik Intl

Thu 18/6

08:45-15:15

1 stop5h 30m

£278

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 9/6

20:15-19:15

2 stops24h 00m

Reykjavik Keflavik Intl

Thu 18/6

18:15-23:00

2 stops27h 45m

£284

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 9/4

09:15-23:35

1 stop15h 20m

Reykjavik Keflavik Intl

Sun 12/4

19:35-10:05

2 stops13h 30m

£310

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Fri 10/4

22:00-07:50

1 stop10h 50m

Reykjavik Keflavik Intl

Sun 12/4

08:55-23:25

1 stop13h 30m

£362
Cheapest one-way

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 2/9

08:10-08:05

1 stop24h 55m

£83
Fastest single journey

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 4/5

14:40-00:10

1 stop10h 30m

£92

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sun 3/5

12:20-16:45

2 stops29h 25m

£112

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 14 resultsSorted by cheapest first
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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 11h 15m. 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

Browse thousands of different options on Cheapflights for your next trip

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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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