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Cheap flights from Reykjavik Keflavik Intl Airport to Belfast from £329

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BHD
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 November 2025.

Round-trip from

£340

One-way from

£329
British Airways
  • British Airways
  • 3/2-4/2
  • 2 total stops
  • 23h 45m total
  • Reykjavik to Belfast
Search Deals
British Airways
  • British Airways
  • 4/1
  • 1 total stop
  • 8h 40m total
  • Reykjavik to Belfast
Search Deals

Find flight deals from Keflavik Intl to Belfast

Enter your travel dates to find the best prices.

Best flights from Keflavik Intl to Belfast
Discover carefully curated flight deals from Keflavik Intl to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 November 2025.

Mon 2/211:50KEF - BHD
1 stop8h 25mBritish Airways
Wed 4/211:25BHD - KEF
1 stop23h 20mBritish Airways
Deal found 18/11£340
Tue 3/211:50KEF - BHD
1 stop6h 45mBritish Airways
Wed 4/217:40BHD - KEF
1 stop17h 05mBritish Airways
Deal found 18/11£340

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 November 2025.
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 - BHD

KEFBHD

Reykjavik Keflavik Intl

Mon 2/2

11:50-20:15

1 stop8h 25m

Belfast City

Wed 4/2

11:25-10:45

1 stop23h 20m

£340

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Tue 3/2

11:50-18:35

1 stop6h 45m

Belfast City

Wed 4/2

17:40-10:45

1 stop17h 05m

£340

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Sun 4/1

11:50-20:30

1 stop8h 40m

£329

Flights are sorted by cheapest return flights first.

Deals found on 18/11

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 8h 25m. Fly via British Airways to get the fastest option. The distance between Reykjavik Keflavik Intl Airport and Belfast is about 870 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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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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