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Cheap flights from Belfast Intl Airport to Reykjavik Keflavik Intl Airport from £46

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — KEF
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 17 November 2025.

Round-trip from

£102

One-way from

£46
Jet2
  • Jet2
  • 3/12-7/12
  • Nonstop
  • 5h 25m total
  • Belfast to Reykjavik
Search Deals
easyJet
  • easyJet
  • 28/1
  • 1 total stop
  • 27h 00m total
  • Belfast to Reykjavik
Search Deals

Find 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 17 November 2025.

Wed 3/1208:00BFS - KEF
Nonstop2h 45mJet2
Sun 7/1211:45KEF - BFS
Nonstop2h 40mJet2
Deal found 15/11£102
Wed 3/1208:00BFS - KEF
Nonstop2h 45mMultiple Airlines
Fri 5/1219:15KEF - BFS
1 stop12h 25mMultiple Airlines
Deal found 15/11£143
Wed 3/1219:15BFS - KEF
1 stop22h 00mMultiple Airlines
Sun 7/1211:45KEF - BFS
Nonstop2h 40mMultiple Airlines
Deal found 15/11£145
Wed 31/1221:05BFS - KEF
1 stop11h 40measyJet
Wed 7/119:20KEF - BFS
1 stop14h 25measyJet
Deal found 16/11£159
Mon 8/1221:00BFS - KEF
1 stop13h 15measyJet
Mon 15/1212:00KEF - BFS
1 stop19h 55measyJet
Deal found 17/11£173
Wed 31/1221:05BFS - KEF
1 stop11h 40mMultiple Airlines
Wed 7/119:40KEF - BFS
2 stops22h 40mMultiple Airlines
Deal found 16/11£215
Sun 14/1209:15BFS - KEF
1 stop9h 40mMultiple Airlines
Sun 21/1219:30KEF - BFS
1 stop11h 55mMultiple Airlines
Deal found 16/11£226

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 17 November 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

Wed 3/12

08:00-10:45

Nonstop2h 45m

Reykjavik Keflavik Intl

Sun 7/12

11:45-14:25

Nonstop2h 40m

£102

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 3/12

19:15-17:15

1 stop22h 00m

Reykjavik Keflavik Intl

Sun 7/12

11:45-14:25

Nonstop2h 40m

£145

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 31/12

21:05-08:45

1 stop11h 40m

Reykjavik Keflavik Intl

Wed 7/1

19:20-09:45

1 stop14h 25m

£159

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 3/12

08:00-10:45

Nonstop2h 45m

Reykjavik Keflavik Intl

Fri 5/12

19:40-08:50

2 stops37h 10m

£170

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 8/12

21:00-10:15

1 stop13h 15m

Reykjavik Keflavik Intl

Mon 15/12

12:00-07:55

1 stop19h 55m

£173

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 31/12

21:05-08:45

1 stop11h 40m

Reykjavik Keflavik Intl

Wed 7/1

19:40-18:20

2 stops22h 40m

£215

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sun 14/12

09:15-18:55

1 stop9h 40m

Reykjavik Keflavik Intl

Sun 21/12

19:30-07:25

1 stop11h 55m

£226

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Wed 28/1

14:15-17:15

1 stop27h 00m

£46

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 29/1

06:30-17:15

1 stop10h 45m

£63

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 25/11

21:35-10:45

1 stop13h 10m

£80

Flights are sorted by cheapest return flights first.

Deals found on 15/11

Showing 1-10 of 15 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 2h 45m. Fly via Jet2 or easyJet to get the fastest option. The distance between Belfast Intl Airport and Reykjavik Keflavik Intl Airport is about 860 mi. This flight may include one or multiple stops.

  • 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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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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