Cheap Flights from London (YXU) to Reykjavik (KEF)

Popular airlines from London, ON (YXU-London Intl.) to Reykjavik–Keflavik Intl. Airport (KEF)

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Find available prices by choosing your travel dates.
Flights from London (YXU) to Reykjavik (KEF)
Origin airport
London Intl.
Destination airport
Keflavik Intl.
Distance
2672 mi

London to Reykjavik Flights

The cheapest times to fly from London to Reykjavik

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 London to Reykjavik are during the month of . You can find some of the cheapest flights from London to Reykjavik with Expedia's search tool and vast selection of airlines.

The best time to book a flight from London to Reykjavik

Sunday is one of the best days to book for cheap flights from London to Reykjavik: 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 London to Reykjavik

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 London to Reykjavik in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 London to Reykjavik 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 London to Reykjavik 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

Is it cheaper to buy a plane ticket from London Intl. Airport (YXU) to Reykjavík--Keflavík Airport last minute?
Booking your flight from London Intl. Airport to Reykjavík–Keflavík Airport at the last minute could save you some dough if you’re lucky enough to find a good deal. However, fares usually don’t drop in price as the departure date nears. If you wait, flights could also be booked up or the best seats gone (because no one wants the middle seat). If you’d rather err on the side of caution, book well ahead of the date you want to leave. It’s worth noting that some of the best deals can be found up to a year in advance. If your favorite airline hasn’t released its airfares yet, check back regularly as offers are updated on Expedia constantly.
What airports do you fly into for Reykjavik from London?
There are two — Keflavik Intl. Airport (KEF) and Reykjavik Domestic Airport (RKV). Both are excellent options for those venturing from London to Reykjavik. If you pick Keflavik Intl. Airport (KEF), you’ll touch down roughly 25 mi southwest of central Reykjavik. Once you’ve settled in to your comfortable hotel, it’s time to visit the city’s best attractions. Hallgrimskirkja and Reykjavik City Hall are two must-sees.
Can I change the date of my flight from YXU to KEF?
Sometimes life gets in the way of plans, so Expedia is here to help make things as easy as possible. To start, find your London Intl. Airport (YXU) to KEF itinerary through the Expedia Trips portal and read the fare rules and conditions about what changes can be made. If you purchased your fare in the last 24 hours, some airlines allow you to cancel at no cost and book new flights. If you bought your ticket more than 24 hours ago, contact us through our Customer Service portal so we can help you further.

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