Cheap flights from London to Reykjavik from £86

The month of November is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from London, with most prices found around £113. If you don’t want to visit Reykjavik Keflavik Intl Airport in November, then you should wait until January to fly from London, when ticket prices are also cheap, with an average price of £115.

On average, the least expensive day to fly to Reykjavik Keflavik Intl Airport from London is on a Sunday. momondo users have found tickets for Sunday departures for as low as £364. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London to Reykjavik Keflavik Intl Airport on a Wednesday will generally be more expensive and average around £427. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest London to Reykjavik Keflavik Intl Airport flights are usually those with departure times in the morning. Our users have found flights to Reykjavik Keflavik Intl Airport in the morning for as low as £341. Try not to purchase tickets at midday because they tend to be around £494. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from London Luton to Reykjavik Keflavik Intl for the best London - Reykjavik Keflavik Intl flight prices

You are more likely to see cheaper flights to Reykjavik Keflavik Intl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik Keflavik Intl Airport for around £256 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Reykjavik Keflavik Intl Airport from London for as low as £215 on momondo.

There are 4 cabin classes available to choose from on London to Reykjavik Keflavik Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between London to Reykjavik Keflavik Intl Airport.

As of September 2026, prices for London to Reykjavik Keflavik Intl Airport flights are approximately 54% more expensive when compared to flights at the same time last year.

easyJet, Wizz Air, and British Airways are the most popular carriers operating from London to Reykjavik Keflavik Intl

Icelandair, British Airways and easyJet are the top three most popular airlines that fly to Reykjavik Keflavik Intl Airport from London according to our data. Icelandair is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Reykjavik Keflavik Intl Airport. Keep in mind that there are 4 different airlines that fly to Reykjavik Keflavik Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between London and Reykjavik have experienced a delay on any given week. The average delay length over the past 12 months has been 112 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of September 2026, there are 15 flights per day flying from London to Reykjavik Keflavik Intl Airport. The most common time of day flights depart is 15:00, with 62% of flights taking off in the afternoon.

The number of flights available between London and Reykjavik Keflavik Intl Airport is 107 per week as of September 2026. The most frequent departure day is Thu, with 21% of weekly flights leaving on this day.