Cheap flights from Reykjavik to London from £76

The cheapest month to fly to London from Reykjavik is in November. Flight prices, which tend to average around £98, are often lower during this time because this is during the off-season. The month of December is another great option to travel to London, with average flight prices from Reykjavik averaging around £106.

Our data shows that Saturday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £108. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Reykjavik to London for around £238.

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £140. Flights in the evening are often more expensive, with an average ticket price of £205.

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

There are 2 cabin classes available to choose from on Reykjavik to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 14% on your flight if you consider stops on a Reykjavik to London flight.

Historically, on average around 10% of flights between Reykjavik and London have experienced a delay on any given week. The average delay length over the past 12 months has been 111 minutes.

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

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

According to our data, Icelandair have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

The number of flights available between Reykjavik and London is 11 per day as of April 2026. The most frequent departure time is 10:00, with 84% of daily flights leaving at midday.

As of April 2026, 80 flights take off from Reykjavik and land in London each week. The most common flight departure day for this route is Sun, with 23% of weekly flights taking off on this day.