Cheap flights from Reykjavik Keflavik Intl Airport to Belfast from £148

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BHD
21 Feb — 28 Feb1
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 22 January 2026.

Fri 6/309:50
KEF
-
BFS
1 stop12h 30m
easyJet
Fri 13/319:15
BFS
-
KEF
1 stop14h 50m
easyJet
Deal found 20/1£150
Fri 6/309:50
KEF
-
BFS
1 stop10h 35m
Multiple Airlines
Fri 13/314:30
BFS
-
KEF
2 stops19h 10m
Multiple Airlines
Deal found 20/1£192

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 22 January 2026.

Round-trip from

£150

One-way from

£148
easyJet
  • easyJet
  • 6/3-13/3
  • 2 total stops
  • 27h 20m total
  • Reykjavik to Belfast
25/6
  • 25/6
  • 1 total stop
  • 12h 35m 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 22 January 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

Fri 6/3

09:50-22:20

1 stop12h 30m

Belfast Intl

Fri 13/3

19:15-10:05

1 stop14h 50m

£150

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 6/3

09:50-20:25

1 stop10h 35m

Belfast Intl

Fri 13/3

14:30-09:40

2 stops19h 10m

£192

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Thu 25/6

08:45-22:20

1 stop12h 35m

£148

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Tue 30/6

10:30-07:05

2 stops19h 35m

£150

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Thu 25/6

15:20-15:00

2 stops22h 40m

£151

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Sun 28/6

08:55-09:00

1 stop23h 05m

£153

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Thu 25/6

08:45-15:30

1 stop5h 45m

£165

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Tue 30/6

10:50-17:30

1 stop5h 40m

£172

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 26/6

10:30-20:40

2 stops9h 10m

£176

ReykjavikBelfast

KEF - BHD

KEFBHD

Reykjavik Keflavik Intl

Fri 26/6

10:30-09:15

2 stops21h 45m

£177

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 20 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.
  • 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 12h 30m. Fly via easyJet to get the fastest option. The distance between Reykjavik Keflavik Intl Airport and Belfast is about 860 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Keflavik Intl to Belfast

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.