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Cheap flights from Belfast Intl Airport to Reykjavik Keflavik Intl Airport from £93

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — KEF
30 Jan — 6 Feb1
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.

Best flights from Belfast Intl to Keflavik Intl
Discover carefully curated flight deals from Belfast Intl to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 December 2025.

Mon 2/221:00BFS - KEF
1 stop13h 15measyJet
Fri 6/219:40KEF - BFS
1 stop16h 55measyJet
Deal found 31/12£125
Thu 29/108:15BFS - KEF
1 stop10h 40mMultiple Airlines
Thu 5/219:35KEF - BFS
2 stops22h 00mMultiple Airlines
Deal found 30/12£180
Sat 7/217:55BFS - KEF
1 stop15h 30measyJet
Thu 12/217:55KEF - BFS
1 stop14h 25measyJet
Deal found 29/12£129
Thu 29/106:30BFS - KEF
1 stop10h 45measyJet
Thu 5/210:00KEF - BFS
1 stop8h 20measyJet
Deal found 30/12£142
Mon 2/215:10BFS - KEF
2 stops18h 30mMultiple Airlines
Fri 6/219:40KEF - BFS
1 stop12h 40mMultiple Airlines
Deal found 31/12£197
Sat 7/213:10BFS - KEF
2 stops21h 25mMultiple Airlines
Thu 12/210:05KEF - BFS
1 stop6h 05mMultiple Airlines
Deal found 29/12£199
Mon 18/508:40BFS - KEF
1 stop7h 10mMultiple Airlines
Thu 21/508:40KEF - BFS
1 stop5h 35mMultiple Airlines
Deal found 31/12£254

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 31 December 2025.

Round-trip from

£125

One-way from

£93
easyJet
  • easyJet
  • 2/2-6/2
  • 2 total stops
  • 30h 10m total
  • Belfast to Reykjavik
Search Deals
18/2
  • 18/2
  • 1 total stop
  • 7h 40m 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 31 December 2025.
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 2/2

21:00-10:15

1 stop13h 15m

Reykjavik Keflavik Intl

Fri 6/2

19:40-12:35

1 stop16h 55m

£125

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 7/2

17:55-09:25

1 stop15h 30m

Reykjavik Keflavik Intl

Thu 12/2

17:55-08:20

1 stop14h 25m

£129

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 29/1

06:30-17:15

1 stop10h 45m

Reykjavik Keflavik Intl

Thu 5/2

10:00-18:20

1 stop8h 20m

£142

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 29/1

08:15-18:55

1 stop10h 40m

Reykjavik Keflavik Intl

Thu 5/2

19:35-17:35

2 stops22h 00m

£180

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 2/2

15:10-09:40

2 stops18h 30m

Reykjavik Keflavik Intl

Fri 6/2

19:40-08:20

1 stop12h 40m

£197

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sat 7/2

13:10-10:35

2 stops21h 25m

Reykjavik Keflavik Intl

Thu 12/2

10:05-16:10

1 stop6h 05m

£199

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 18/5

08:40-14:50

1 stop7h 10m

Reykjavik Keflavik Intl

Thu 21/5

08:40-15:15

1 stop5h 35m

£254

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 18/2

07:20-15:00

1 stop7h 40m

£93

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sun 25/1

05:45-19:35

2 stops13h 50m

£96

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sun 25/1

20:30-18:45

2 stops22h 15m

£159

Flights are sorted by cheapest return flights first.

Deals found on 29/12

Showing 1-10 of 11 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 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

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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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