Cheap flights from the United Kingdom to London from £30

In general, January is the cheapest month to fly from United Kingdom to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £120. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from United Kingdom averaging around £122.

On average, the least expensive day to fly to London Heathrow Airport from United Kingdom is on a Monday. momondo users have found tickets for Monday departures for as low as £686. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £713.

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 United Kingdom to London Heathrow Airport in the evening for as low as £607. 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 morning when prices are £710 on average. Flights to London Heathrow Airport from United Kingdom in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Newcastle upon Tyne to London Heathrow for the best United Kingdom - London Heathrow flight prices

There are 4 cabin classes available to choose from on United Kingdom 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.

No. A direct flight is the cheapest option for a flight between United Kingdom to London Heathrow Airport.

Historically, on average around 14% of flights between United Kingdom and London have experienced a delay on any given week. The average delay length over the past 12 months has been 100 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. Sunday 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 14% of their flights experiencing any sort of delay.

As of November 2026, 98 flights take off from United Kingdom and land in London Heathrow Airport each day. The most common flight departure time for this route is 11:00, with 40% of daily flights taking off at midday.

686 flights are operational weekly from United Kingdom to London Heathrow Airport as of November 2026. The most popular departure day for this route is Sun, with 31% of flights per week taking off on this day.