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Cheap flights from Reykjavik Keflavik Intl Airport to Belfast from £76

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BHD
23 Mar — 30 Mar1
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 21 February 2026.

Tue 7/410:10
KEF
-
BFS
1 stop9h 30m
Multiple Airlines
Tue 14/421:10
BFS
-
KEF
1 stop11h 30m
Multiple Airlines
Deal found 21/2£232
Mon 6/410:10
KEF
-
BFS
1 stop9h 50m
Multiple Airlines
Mon 13/422:20
BFS
-
KEF
1 stop10h 55m
Multiple Airlines
Deal found 20/2£262
Fri 27/219:40
KEF
-
BFS
2 stops23h 05m
Multiple Airlines
Fri 6/318:00
BFS
-
KEF
2 stops24h 35m
Multiple Airlines
Deal found 20/2£300
Thu 2/410:10
KEF
-
BFS
1 stop5h 55m
Multiple Airlines
Thu 9/420:55
BFS
-
KEF
1 stop12h 15m
Multiple Airlines
Deal found 18/2£307
Fri 27/219:40
KEF
-
BHD
2 stops21h 45m
Multiple Airlines
Fri 6/307:20
BHD
-
KEF
1 stop11h 35m
Multiple Airlines
Deal found 20/2£356
Tue 14/710:30
KEF
-
BHD
1 stop9h 00m
Multiple Airlines
Fri 17/707:00
BHD
-
KEF
1 stop11h 55m
Multiple Airlines
Deal found 19/2£415

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 21 February 2026.

Round-trip from

£232

One-way from

£76
easyJet
  • easyJet
  • 7/4-14/4
  • 2 total stops
  • 21h 00m total
  • Reykjavik to Belfast
Search Deals
easyJet
  • easyJet
  • 17/3
  • 1 total stop
  • 14h 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 21 February 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Belfast that are best for you.

Fly from

Keflavik Intl

Fly to

Belfast

Route

Depart

Return

Price

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 7/4

10:10-20:40

1 stop9h 30m

Belfast Intl

Tue 14/4

21:10-07:40

1 stop11h 30m

£232

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Mon 6/4

10:10-21:00

1 stop9h 50m

Belfast Intl

Mon 13/4

22:20-08:15

1 stop10h 55m

£262

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Thu 2/4

10:10-17:05

1 stop5h 55m

Belfast Intl

Thu 9/4

20:55-08:10

1 stop12h 15m

£307

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Tue 14/7

10:30-20:30

1 stop9h 00m

Belfast City

Fri 17/7

07:00-17:55

1 stop11h 55m

£415

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 17/3

17:05-07:50

1 stop14h 45m

£76

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Wed 25/3

11:45-17:55

1 stop6h 10m

£81

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 14/3

10:20-06:45

2 stops20h 25m

£84

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Wed 18/3

11:15-09:20

1 stop22h 05m

£84

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 17/3

10:20-08:20

2 stops46h 00m

£96

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 13/3

19:15-07:40

1 stop12h 25m

£99

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 18 results
1
2

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.

  • 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.

Browse thousands of different options on Cheapflights for your next trip

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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

Fly with Cheapflights

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How does Cheapflights help users find flights 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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