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Cheap flights from Reykjavik Keflavik Intl Airport to Belfast from £113

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BHD
3 Jul — 10 Jul1
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 3 June 2026.

Sat 3/1008:30
KEF
-
BFS
1 stop7h 00m
Multiple Airlines
Sat 3/1021:40
BFS
-
KEF
1 stop11h 35m
Multiple Airlines
Deal found 2/6£253
Wed 15/708:20
KEF
-
BFS
1 stop10h 30m
Multiple Airlines
Wed 22/708:30
BFS
-
KEF
2 stops27h 55m
Multiple Airlines
Deal found 31/5£261
Wed 24/608:20
KEF
-
BFS
1 stop10h 30m
Multiple Airlines
Wed 1/715:40
BFS
-
KEF
2 stops20h 45m
Multiple Airlines
Deal found 1/6£288
Wed 24/608:20
KEF
-
BFS
1 stop10h 30m
Multiple Airlines
Thu 2/712:45
BFS
-
KEF
2 stops22h 10m
Multiple Airlines
Deal found 1/6£289
Tue 23/619:20
KEF
-
BFS
2 stops23h 30m
Multiple Airlines
Mon 29/614:40
BFS
-
KEF
1 stop10h 30m
Multiple Airlines
Deal found 1/6£290
Tue 14/719:55
KEF
-
BFS
2 stops14h 40m
Multiple Airlines
Tue 21/723:30
BFS
-
KEF
1 stop9h 10m
Multiple Airlines
Deal found 30/5£294
Sat 3/1008:30
KEF
-
BHD
1 stop5h 30m
Multiple Airlines
Sat 3/1018:20
BHD
-
KEF
1 stop14h 55m
Multiple Airlines
Deal found 2/6£299
Thu 25/609:00
KEF
-
BFS
2 stops20h 50m
Multiple Airlines
Mon 29/614:40
BFS
-
KEF
1 stop10h 30m
Multiple Airlines
Deal found 1/6£309
Wed 24/608:20
KEF
-
BFS
1 stop10h 30m
Multiple Airlines
Mon 29/614:40
BFS
-
KEF
1 stop10h 30m
Multiple Airlines
Deal found 1/6£312
Thu 25/608:45
KEF
-
BHD
1 stop5h 45m
easyJet
Tue 30/618:35
BHD
-
KEF
1 stop14h 05m
easyJet
Deal found 1/6£379
Wed 24/620:00
KEF
-
BHD
1 stop12h 20m
KLM
Wed 1/717:30
BHD
-
KEF
1 stop16h 05m
KLM
Deal found 1/6£438
Tue 23/610:50
KEF
-
BHD
1 stop6h 55m
British Airways
Wed 1/720:35
BHD
-
KEF
1 stop14h 05m
British Airways
Deal found 1/6£466

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 3 June 2026.

Round-trip from

£253

One-way from

£113
3/10-3/10
  • 3/10-3/10
  • 2 total stops
  • 18h 35m total
  • Reykjavik to Belfast
Search Deals
6/8
  • 6/8
  • 1 total stop
  • 12h 35m 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 3 June 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

Cheapest return flight

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 3/10

08:30-16:30

1 stop7h 00m

Belfast Intl

Sat 3/10

21:40-08:15

1 stop11h 35m

£253

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Wed 15/7

08:20-19:50

1 stop10h 30m

Belfast Intl

Wed 22/7

08:30-11:25

2 stops27h 55m

£261

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Wed 24/6

08:20-19:50

1 stop10h 30m

Belfast Intl

Wed 1/7

15:40-11:25

2 stops20h 45m

£288

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 14/7

19:55-11:35

2 stops14h 40m

Belfast Intl

Tue 21/7

23:30-07:40

1 stop9h 10m

£294

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Sat 3/10

08:30-15:00

1 stop5h 30m

Belfast City

Sat 3/10

18:20-08:15

1 stop14h 55m

£299

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Wed 24/6

08:20-19:50

1 stop10h 30m

Belfast Intl

Thu 2/7

20:40-18:35

1 stop22h 55m

£325
Fastest return journey

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 27/6

08:30-16:30

1 stop7h 00m

Belfast Intl

Mon 29/6

14:40-00:10

1 stop10h 30m

£337

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Thu 25/6

08:45-15:30

1 stop5h 45m

Belfast City

Tue 30/6

18:35-07:40

1 stop14h 05m

£379

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 26/6

19:30-08:25

1 stop11h 55m

Belfast Intl

Wed 1/7

15:40-08:05

1 stop17h 25m

£386

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Thu 25/6

09:35-09:20

1 stop22h 45m

Belfast City

Wed 1/7

17:30-08:35

1 stop16h 05m

£486

Flights are sorted by cheapest return flights first.

Deals found on 30/5

Showing 1-10 of 32 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 7h 15m. Fly via KLM or British Airways to get the fastest option. The distance between Reykjavik Keflavik Intl Airport and Belfast is about 870 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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

Fly with Cheapflights

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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?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Keflavik Intl to Belfast.

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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