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Cheap flights from Reykjavik Keflavik Intl Airport to Belfast from £101

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BHD
31 Mar — 7 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Keflavik Intl to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Keflavik Intl to Belfast
Explore the most affordable flight options available from Keflavik Intl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 March 2026.

Tue 14/408:55
KEF
-
BFS
1 stop11h 00m
easyJet
Tue 21/419:20
BFS
-
KEF
1 stop14h 00m
easyJet
Deal found 28/2£154
Tue 14/419:25
KEF
-
BFS
2 stops18h 50m
Multiple Airlines
Tue 21/423:30
BFS
-
KEF
1 stop9h 10m
Multiple Airlines
Deal found 28/2£182
Sun 12/410:15
KEF
-
BFS
1 stop22h 15m
Multiple Airlines
Sun 19/409:35
BFS
-
KEF
1 stop26h 10m
Multiple Airlines
Deal found 26/2£190
Fri 6/319:40
KEF
-
BFS
2 stops26h 20m
Multiple Airlines
Thu 12/307:05
BFS
-
KEF
1 stop10h 55m
Multiple Airlines
Deal found 28/2£224
Fri 6/319:40
KEF
-
BFS
1 stop12h 40m
easyJet
Thu 12/309:05
BFS
-
KEF
1 stop8h 55m
easyJet
Deal found 28/2£231
Fri 6/319:15
KEF
-
BHD
1 stop14h 05m
Multiple Airlines
Thu 12/311:05
BHD
-
KEF
1 stop6h 55m
Multiple Airlines
Deal found 28/2£256

Find flight deals from Keflavik Intl to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Belfast (BF1). 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 1 March 2026.

Round-trip from

£154

One-way from

£101
easyJet
  • easyJet
  • 14/4-21/4
  • 2 total stops
  • 25h 00m total
  • Reykjavik to Belfast
Search Deals
easyJet
  • easyJet
  • 23/7
  • 1 total stop
  • 5h 45m total
  • Reykjavik to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Keflavik Intl to Belfast 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 1 March 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 14/4

08:55-20:55

1 stop11h 00m

Belfast Intl

Tue 21/4

19:20-08:20

1 stop14h 00m

£154

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 14/4

19:25-15:15

2 stops18h 50m

Belfast Intl

Tue 21/4

23:30-07:40

1 stop9h 10m

£182

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sun 12/4

10:15-09:30

1 stop22h 15m

Belfast Intl

Sun 19/4

09:35-10:45

1 stop26h 10m

£190

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Thu 23/7

08:45-15:30

1 stop5h 45m

£101

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Mon 17/8

08:50-16:55

1 stop7h 05m

£183

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Fri 24/7

18:35-09:20

1 stop13h 45m

£219

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Mon 20/7

20:50-13:50

2 stops16h 00m

£223

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Mon 17/8

10:10-21:20

1 stop10h 10m

£240

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 18/8

07:40-23:20

1 stop14h 40m

£241

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Tue 18/8

07:35-18:45

1 stop10h 10m

£256

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Showing 1-10 of 11 resultsSorted by cheapest first
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Best time to book a flight from Keflavik Intl to Belfast

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

Cheapflights Insights

Everything you need to know about your flight from Reykjavik Keflavik Intl Airport to Belfast
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 Keflavik Intl to Belfast. 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 Reykjavik Keflavik Intl Airport to Belfast?

    There are many flights that can get you from Reykjavik Keflavik Intl Airport to Belfast in 11h. Fly via easyJet to get the fastest option. The distance between Reykjavik Keflavik Intl Airport and Belfast is about 860 mi.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Keflavik Intl to Belfast.

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to Belfast 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

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Alternative routes for Keflavik Intl to Belfast

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

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

Cheapflights makes it easy to find Keflavik Intl to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

Need flexible booking options for your flight to Belfast from Keflavik Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Keflavik Intl to Belfast on Cheapflights with our Price Alert feature and get notified when better prices are available.

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