Cheap flights from Belfast to Reykjavik Keflavik Intl Airport from £76
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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Belfast to Keflavik Intl
Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Keflavik Intl (KEF). 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 11 July 2025.
Round-trip from | £199 |
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One-way from | £76 |
Find flight deals from Belfast to Keflavik Intl
Cheapest flights from Belfast to Keflavik IntlExplore the most affordable flight options available from Belfast to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Belfast to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Belfast to Keflavik 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 11 July 2025.
Use the filters below to find and compare flights from Belfast to Reykjavik Keflavik Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastReykjavik
BFS - KEF
BFSKEF
Belfast Intl
Tue 12/8
22:25-07:25
1 stop10h 00m
Reykjavik Keflavik Intl
Sat 16/8
08:30-09:00
1 stop23h 30m
BelfastReykjavik
BFS - KEF
BFSKEF
Belfast Intl
Mon 25/8
23:45-13:45
2 stops15h 00m
Reykjavik Keflavik Intl
Mon 1/9
09:35-15:55
1 stop5h 20m
BelfastReykjavik
BFS - KEF
BFSKEF
Belfast Intl
Wed 17/9
21:50-08:15
1 stop11h 25m
BelfastReykjavik
BFS - KEF
BFSKEF
Belfast Intl
Mon 15/9
12:35-08:55
1 stop21h 20m
BelfastReykjavik
BHD - KEF
BHDKEF
Belfast City
Tue 16/9
18:50-07:25
1 stop13h 35m
BelfastReykjavik
BHD - KEF
BHDKEF
Belfast City
Thu 18/9
17:25-07:45
1 stop15h 20m
BelfastReykjavik
BHD - KEF
BHDKEF
Belfast City
Fri 18/7
06:35-09:10
1 stop27h 35m
BelfastReykjavik
BHD - KEF
BHDKEF
Belfast City
Sun 27/7
06:50-00:45
2 stops18h 55m
Best time to book a flight from Belfast to Keflavik Intl
Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Belfast with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Belfast to Reykjavik Keflavik Intl Airport
What is the cheapest time of day to fly from BFS to KEF?
Find hourly flight availability from Belfast to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.
It’s typically best to fly out from Belfast to Reykjavik Keflavik Intl Airport at midday. Doing so could potentially save you 19% on the flight price compared to flying in the morning, which is usually more expensive.
Reviews of airlines servicing Keflavik Intl
Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated 11 July 2025.
See what other customers who have flown with KLM, Iberia, andeasyJet from Belfast to Reykjavik Keflavik Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
Anonymous,Jun 2025
AMS - BOS
Related info for your journey
Find useful and relevant information for your journey from Belfast to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to Keflavik Intl by adding a car hire and/or hotel booking to your travel itinerary.
Top airline flying from Belfast to Keflavik Intl
Discover the top airline that operate flights from Belfast to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Belfast to Keflavik Intl?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast to Keflavik Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Belfast to Keflavik Intl?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Keflavik Intl from Belfast.
Can Cheapflights find flights from Belfast to Keflavik Intl with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast to Keflavik Intl flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Belfast to Keflavik Intl become cheaper?
Of course! You can now track prices for flights from Belfast to Keflavik Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.