Cheap flights from Reykjavik Keflavik Intl Airport to Belfast from £152

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BHD
23 Jul — 30 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 23 June 2026.

Wed 26/808:20
KEF
-
BFS
1 stop11h 15m
easyJet
Sat 29/821:30
BFS
-
KEF
1 stop11h 45m
easyJet
Deal found 19/6£196
Wed 26/808:20
KEF
-
BFS
2 stops14h 00m
Multiple Airlines
Sat 29/821:40
BFS
-
KEF
1 stop11h 35m
Multiple Airlines
Deal found 19/6£237
Wed 26/808:20
KEF
-
BHD
1 stop8h 40m
Multiple Airlines
Sat 29/817:10
BHD
-
KEF
1 stop16h 05m
Multiple Airlines
Deal found 19/6£242
Thu 20/808:45
KEF
-
BFS
1 stop12h 35m
Multiple Airlines
Mon 24/820:35
BFS
-
KEF
1 stop12h 15m
Multiple Airlines
Deal found 20/6£266
Thu 20/808:45
KEF
-
BFS
1 stop12h 35m
Multiple Airlines
Fri 21/822:15
BFS
-
KEF
1 stop10h 35m
Multiple Airlines
Deal found 20/6£268
Wed 19/808:20
KEF
-
BFS
1 stop10h 30m
Multiple Airlines
Mon 24/820:35
BFS
-
KEF
1 stop12h 15m
Multiple Airlines
Deal found 20/6£276
Wed 19/808:20
KEF
-
BFS
1 stop10h 30m
Multiple Airlines
Fri 21/822:15
BFS
-
KEF
1 stop10h 35m
Multiple Airlines
Deal found 20/6£279
Fri 21/808:30
KEF
-
BFS
2 stops12h 15m
Multiple Airlines
Mon 24/820:35
BFS
-
KEF
1 stop12h 15m
Multiple Airlines
Deal found 20/6£288
Thu 20/808:45
KEF
-
BFS
1 stop12h 35m
Multiple Airlines
Sat 22/821:40
BFS
-
KEF
1 stop11h 35m
Multiple Airlines
Deal found 20/6£294
Fri 7/817:40
KEF
-
BFS
2 stops26h 20m
Multiple Airlines
Fri 14/819:20
BFS
-
KEF
1 stop13h 30m
Multiple Airlines
Deal found 23/6£302
Wed 19/808:20
KEF
-
BFS
1 stop10h 30m
Multiple Airlines
Sat 22/821:40
BFS
-
KEF
1 stop11h 35m
Multiple Airlines
Deal found 20/6£305
Wed 19/808:20
KEF
-
BHD
1 stop8h 40m
Multiple Airlines
Thu 20/812:20
BHD
-
KEF
1 stop4h 25m
Multiple Airlines
Deal found 20/6£358

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 23 June 2026.

Round-trip from

£196

One-way from

£152
easyJet
  • easyJet
  • 26/8-29/8
  • 2 total stops
  • 23h 00m total
  • Reykjavik to Belfast
10/7
  • 10/7
  • 2 total stops
  • 25h 50m total
  • Reykjavik to Belfast

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 23 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

Wed 26/8

08:20-20:35

1 stop11h 15m

Belfast Intl

Sat 29/8

21:30-08:15

1 stop11h 45m

£196

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Thu 20/8

08:45-22:20

1 stop12h 35m

Belfast Intl

Sat 22/8

21:40-08:15

1 stop11h 35m

£294

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 7/8

17:40-21:00

2 stops26h 20m

Belfast Intl

Fri 14/8

19:20-07:50

1 stop13h 30m

£302

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Mon 3/8

08:55-10:00

2 stops24h 05m

Belfast Intl

Mon 10/8

21:55-17:35

3 stops44h 40m

£334

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 18/8

17:05-08:05

2 stops14h 00m

Belfast Intl

Mon 24/8

20:35-07:50

1 stop12h 15m

£362

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Wed 19/8

10:45-23:20

2 stops11h 35m

Belfast Intl

Mon 24/8

10:50-15:45

1 stop5h 55m

£400
Fastest return journey

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sun 16/8

08:55-16:35

1 stop6h 40m

Belfast Intl

Sun 23/8

06:55-15:45

1 stop9h 50m

£412

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Mon 17/8

08:50-16:55

1 stop7h 05m

Belfast City

Thu 20/8

17:30-17:35

1 stop25h 05m

£449

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Tue 18/8

11:15-09:20

2 stops21h 05m

Belfast City

Sat 22/8

09:50-14:35

2 stops29h 45m

£455

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Tue 18/8

11:15-16:55

2 stops28h 40m

Belfast City

Thu 20/8

17:30-17:35

1 stop25h 05m

£462

Flights are sorted by cheapest return flights first.

Deals found on 21/6

Showing 1-10 of 19 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 05m. Fly via easyJet or KLM 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

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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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