Cheap Flights to Heathrow

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Boston (BOS)
London (LON)
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Flights to Heathrow in 2021

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inDecemberHigh demand for flights, 3% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 4% potential price drop
Average priceC$ 673Average for round-trip flights in April 2021
Round-trip fromC$ 431From Toronto to London
One-way fromC$ 274One-way flight from Toronto to London

Cheapest prices for Heathrow flights by month

The cheapest ticket to Heathrow found for each month in 2021 based on historical flight searches by Cheapflights users.
January
C$ 602
February
C$ 652
March
C$ 692
April
C$ 724
May
C$ 722
June
C$ 761
July
C$ 912
August
C$ 880
September
C$ 721
October
C$ 690
November
C$ 675
December
C$ 721
At the present moment the cheapest month to fly to Heathrow is currently January; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

When is the best time to fly to Heathrow?

Average London flight ticket prices and weather conditions for 2021 and 2022 by month.
YTO - LON
Price
C$ 602 - C$ 1,155
LON
Temperature
9 - 23 °C
LON
Rainfall
35 - 71 mm
January is typically the best time to fly to Heathrow, but there are other times where great deals are available. If you are looking for warm weather when you arrive off of your flight to Heathrow then July is statistically the hottest. October is historically the period with most rainfall.

When is the best time to book a flight to Heathrow?

The price you pay for your flight to Heathrow may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase in the final two weeks or so before your departure date.

Which day is cheapest to fly to Heathrow?

The cheapest flights to Heathrow are usually found when departing on a Tuesday. The departure day with the highest cost at present is Friday.

What time of day is cheapest to fly to LHR airport?

To get the best value, try booking a flight in the evening when visiting Heathrow. Generally the prices will increase for flights at noon as these tend to have higher demand.

London Heathrow Airport (LHR) is the busiest airport in the United Kingdom, and the fourth-busiest in the world, in terms of passenger traffic. However, Heathrow has the distinction of handling more international passengers than any other airport in the world – a testament to its importance as a transit-point for intercontinental travel.

Flights to Heathrow Airport are provided by an incredible 90 airlines, serving 180 destinations worldwide. Heathrow is home-base for British Airways, which operate direct and indirect flights to basically every major city you can think of, from Heathrow’s beautiful, new Terminal 5 building.

London – a compelling, cosmopolitan city – certainly has an appropriate gateway in Heathrow Airport: a highly modern, convenient hub that is truly geared toward providing the best possible experience to travellers. Located 15 miles (24km) from central London, there are plenty of easy, hassle-free transport options available to travellers looking to get downtown. The flocks of tourists, who are no doubt going to descend on London for the 2012 Olympic Games, can look forward to a warm welcome and efficient service.

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How popular are flights to London Heathrow Airport this year?

Searches for flights to London Heathrow Airport have seen a decrease of 92% this year.

Alternative, similarly priced destinations

See alternative destinations where airfare is generally forecast to be close to Heathrow flight prices.

Cheapest flights to United Kingdom

Not set on Heathrow? See the cheapest flights to Canada. Airfare prices updated on April 14, 2021.
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