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Cheap flights from Reykjavik Keflavik Intl Airport to Belfast from £104

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Reykjavik Keflavik Intl Airport to Belfast departing on 27/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Reykjavik Keflavik Intl Airport to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
easyJet Logo
19:15 - 07:40KEF-BFS
12h 25m1 stop
easyJet Logo
08:50 - 16:25BFS-KEF
7h 35m1 stop
£104easyJet
Find Deal
Fri, 27 Feb - Tue, 3 Mar
Multiple Airlines Logo
19:40 - 11:55KEF-BFS
16h 15m2 stops
Multiple Airlines Logo
08:50 - 16:25BFS-KEF
7h 35m1 stop
£160Multiple Airlines
Find Deal
Fri, 27 Feb - Tue, 3 Mar
Multiple Airlines Logo
19:40 - 11:55KEF-BFS
16h 15m2 stops
Multiple Airlines Logo
05:45 - 16:25BFS-KEF
10h 40m2 stops
£192Multiple Airlines
Find Deal
Fri, 27 Feb - Tue, 3 Mar
Multiple Airlines Logo
19:30 - 22:30KEF-BFS
27h 00m3 stops
Multiple Airlines Logo
23:05 - 10:00BFS-KEF
34h 55m3 stops
£314Multiple Airlines
Find Deal
Sat, 20 Dec - Sun, 4 Jan
Multiple Airlines Logo
19:30 - 21:40KEF-BFS
26h 10m2 stops
Multiple Airlines Logo
23:05 - 10:00BFS-KEF
34h 55m3 stops
£318Multiple Airlines
Find Deal
Sat, 20 Dec - Sun, 4 Jan
Multiple Airlines Logo
19:30 - 07:25KEF-BFS
35h 55m2 stops
Multiple Airlines Logo
07:10 - 18:40BFS-KEF
11h 30m1 stop
£330Multiple Airlines
Find Deal
Sat, 20 Dec - Sun, 4 Jan
Multiple Airlines Logo
19:30 - 22:30KEF-BFS
27h 00m3 stops
Multiple Airlines Logo
07:10 - 18:40BFS-KEF
11h 30m1 stop
£338Multiple Airlines
Find Deal
Sat, 20 Dec - Sun, 4 Jan
Multiple Airlines Logo
21:05 - 10:10KEF-BFS
13h 05m1 stop
Multiple Airlines Logo
07:10 - 18:40BFS-KEF
11h 30m1 stop
£432Multiple Airlines
Find Deal
Sat, 20 Dec - Sun, 4 Jan
Multiple Airlines Logo
07:35 - 22:00KEF-BFS
14h 25m2 stops
Multiple Airlines Logo
07:15 - 13:05BFS-KEF
29h 50m3 stops
£539Multiple Airlines
Find Deal
Fri, 27 Feb - Tue, 3 Mar

momondo Fare Finder

 
Customise your flight search to find flights from Reykjavik Keflavik Intl Airport to Belfast Intl Airport 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, momondo users made 279,928 searches. Data last updated 3 December 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

Fly to

Route

Depart

Return

Price

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 27/2

19:15-07:40

1 stop12h 25m

Belfast Intl

Tue 3/3

08:50-16:25

1 stop7h 35m

£104

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 27/2

19:40-11:55

2 stops16h 15m

Belfast Intl

Tue 3/3

08:50-16:25

1 stop7h 35m

£160

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 27/2

19:40-11:55

2 stops16h 15m

Belfast Intl

Tue 3/3

05:45-16:25

2 stops10h 40m

£192

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 20/12

19:30-22:30

3 stops27h 00m

Belfast Intl

Sun 4/1

23:05-10:00

3 stops34h 55m

£314

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 20/12

19:30-21:40

2 stops26h 10m

Belfast Intl

Sun 4/1

23:05-10:00

3 stops34h 55m

£318

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 20/12

19:30-07:25

2 stops35h 55m

Belfast Intl

Sun 4/1

07:10-18:40

1 stop11h 30m

£330

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 20/12

19:30-22:30

3 stops27h 00m

Belfast Intl

Sun 4/1

07:10-18:40

1 stop11h 30m

£338

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Sat 20/12

21:05-10:10

1 stop13h 05m

Belfast Intl

Sun 4/1

07:10-18:40

1 stop11h 30m

£432

ReykjavikBelfast

KEF - BFS

KEFBFS

Reykjavik Keflavik Intl

Fri 27/2

07:35-22:00

2 stops14h 25m

Belfast Intl

Tue 3/3

07:15-13:05

3 stops29h 50m

£539

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Reykjavik Keflavik Intl Airport to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Reykjavik Keflavik Intl Airport to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Reykjavik Keflavik Intl Airport to Belfast Intl Airport (KEF to BFS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Reykjavik Keflavik Intl Airport to Belfast Intl Airport

Fastest flight time

6h 50m

Direct flights

None
The fastest flight from Reykjavik Keflavik Intl Airport to Belfast Intl Airport takes 6h 50m
There are no direct flights from Reykjavik Keflavik Intl Airport to Belfast Intl Airport. There are no popular flight routes from Reykjavik Keflavik Intl Airport to Belfast Intl Airport.
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  • How far is Reykjavik Keflavik Intl to Belfast Intl by plane?

    The straight-line distance from Reykjavik Keflavik Intl to Belfast Intl is 859.9 mi. 12h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Reykjavik Keflavik Intl Airport to Belfast Intl Airport?

    Prices for flights from Reykjavik Keflavik Intl Airport to Belfast Intl Airport refresh daily.

  • How old do you have to be to fly from Reykjavik Keflavik Intl Airport to Belfast Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Reykjavik Keflavik Intl Airport to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Reykjavik Keflavik Intl Airport to Belfast Intl Airport?

    Price Alerts will notify you by email when the price for flights to Belfast Intl Airport from Reykjavik Keflavik Intl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Reykjavik Keflavik Intl Airport to Belfast Intl Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Travelling to a place near Belfast?

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

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Why should I use momondo to find a flight deal from Reykjavik to Belfast?

It is quick and easy to find Reykjavik to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

Can I find flights from Reykjavik to Belfast with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Reykjavik to Belfast flights to just show those with flexible booking policies.

How can momondo help me find flights from Reykjavik to Belfast?

Once you have performed a search for Reykjavik to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Reykjavik to Belfast right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Reykjavik to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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