Cheap flights from Cork to London from £36

In general, July is the cheapest month to fly from Cork to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £144. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Cork averaging around £144.

On average, the least expensive day to fly to London Heathrow Airport from Cork is on a Sunday. momondo users have found tickets for Sunday departures for as low as £161. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £783.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Cork to London Heathrow Airport in the evening for as low as £129. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £635 on average. Flights to London Heathrow Airport from Cork in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Cork to London Heathrow for the best Cork - London Heathrow flight prices

There are 3 cabin classes available to choose from on Cork to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of September 2026, prices for Cork to London Heathrow Airport flights are approximately 34% more expensive when compared to flights at the same time last year.

Historically, on average around 7% of flights between Cork and London have experienced a delay on any given week. The average delay length over the past 12 months has been 90 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning 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. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

The number of flights available between Cork and London Heathrow Airport is 14 per day as of September 2026. The most frequent departure time is 07:00, with 68% of daily flights leaving at midday.

As of September 2026, there are 103 flights per week flying from Cork to London Heathrow Airport. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.