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Cheap flights from Reykjavik Keflavik Intl Airport to Belfast Intl Airport from £88

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BFS
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Keflavik Intl to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Belfast Intl (BFS). 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 15 September 2025.

Round-trip from

£211

One-way from

£88
30/10-6/11
  • 30/10-6/11
  • 2 total stops
  • 17h 30m total
  • Reykjavik to Belfast
Search Deals
24/9
  • 24/9
  • 1 total stop
  • 10h 30m total
  • Reykjavik to Belfast
Search Deals

Find flight deals from Keflavik Intl to Belfast Intl

Cheapest flights from Keflavik Intl to Belfast Intl
Explore the most affordable flight options available from Keflavik Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Thu 30/1009:25KEF - BFS
1 stop6h 50mMultiple Airlines
Thu 6/1108:15BFS - KEF
1 stop10h 40mMultiple Airlines
Deal found 15/9£211

Cheapflights Fare Finder

 
Customise your flight search to find flights from Keflavik Intl to Belfast Intl 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 15 September 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Belfast Intl Airport that are best for you.

Fly from

Keflavik Intl

Fly to

Belfast Intl

Route

Depart

Return

Price

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Thu 30/10

09:25-16:15

1 stop6h 50m

Belfast Intl

Thu 6/11

08:15-18:55

1 stop10h 40m

£211

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Wed 24/9

20:55-08:25

1 stop10h 30m

£88

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 30/9

19:25-10:25

2 stops14h 00m

£127

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Best time to book a flight from Keflavik Intl to Belfast Intl

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

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to Belfast Intl. 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 Intl that include hotel bookings?

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

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

    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 Intl.

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Reykjavik Keflavik Intl Airport to Belfast Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Belfast Intl Airport (average of £67). Flying from Reykjavik Keflavik Intl Airport to Belfast Intl Airport in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

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

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

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

Yes! Cheapflights helps users easily find flights from Keflavik Intl to Belfast Intl with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from Keflavik Intl today and book when prices fit your budget.

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