$1,032 Cheap Flights from Reykjavik (KEF) to Belfast (BFS)

View $1,032 flight on Sun, Dec 7, 2025Opens in a new window

Popular airlines from Reykjavik–Keflavik Intl. Airport (KEF) to Belfast International Airport (BFS)

Cheap Flights from Reykjavik to Belfast (KEF-BFS)

Prices were available within the past 7 days and start at $1,032 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alternative airports near Belfast

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Best Belfast City BHD. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $642
BHD
George Best Belfast City
CheapestClosest
Average driving time to city center6 min
Flights from $642
Flights from Reykjavik (KEF) to Belfast (BFS)
Origin airport
Keflavik Intl.
Destination airport
Belfast Intl.
Distance
861 mi

Reykjavik to Belfast Flights

The cheapest times to fly from Reykjavik to Belfast

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Reykjavik to Belfast are during the month of . You can find some of the cheapest flights from Reykjavik to Belfast with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Reykjavik to Belfast

Sunday is one of the best days to book for cheap flights from Reykjavik to Belfast: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Reykjavik to Belfast

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Reykjavik to Belfast in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,032 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Reykjavik to Belfast flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Reykjavik to Belfast airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Keflavik Intl. Airport (KEF) to Belfast Intl. Airport (BFS) cost?
Get a cheap one-way flight from $1,032 or cheap return flight from Keflavik Intl. Airport (KEF) to Belfast Intl. Airport (BFS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Keflavik Intl. Airport (KEF) to Belfast Intl. Airport (BFS)?
is the cheapest month to fly from KEF to BFS. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from Keflavik Intl. Airport (KEF) to Belfast Intl. Airport (BFS)?
To find the cheapest airline flying from KEF to BFS, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Keflavik Intl. Airport (KEF) to Belfast Intl. Airport (BFS)?
You'll need to book a flight with a layover if you're traveling from Keflavik Intl. Airport (KEF) to Belfast Intl. Airport (BFS). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from KEF to BFS?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Keflavik Intl. Airport (KEF) to Belfast Intl. Airport (BFS)?
To avoid possible delays on the Keflavik Intl. Airport (KEF) to Belfast Intl. Airport (BFS) route, aim to travel before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Keflavik Intl. Airport (KEF) to Belfast Intl. Airport (BFS) last-minute?
Last-minute fares from KEF to BFS are usually more expensive. For the best rates, start searching for flights as early as possible. That being said, if you're flexible with your travel dates, you may find a cheap fare right before you leave.
Is it cheaper to book a KEF to BFS flight and hotel package?
Compared with arranging hotels and flights separately, booking a KEF to BFS flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the hassle out of travel planning. Just pick your flights and choose from our extensive range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Keflavik Intl. Airport (KEF) to Belfast Intl. Airport (BFS)?
In most cases, you're able to cancel or reschedule your KEF to BFS flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want further details, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.