Cheap Flights to London
Flights to London in 2021
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
| Popular in | December | High demand for flights, 2% potential price rise |
| Cheapest in | March | Best time to find cheap flights, 1% potential price drop |
| Average price | ฿21,958 | Average for round-trip flights in May 2021 |
| Round-trip from | ฿19,318 | From Bangkok to London |
| One-way from | ฿311 | One-way flight from Bangkok to London |
Cheapest prices for London flights by month
The cheapest ticket to London found for each month in 2021 based on historical flight searches by Cheapflights users.
When is the best time to fly to London?
Average London flight ticket prices and weather conditions for 2021 and 2022 by month.
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TH1 - LON Price
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฿18,832 - ฿30,733
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LON Temperature
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9 - 23 °C
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LON Rainfall
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35 - 71 mm
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Peak Season:
London is immensely popular all year-round, meaning the price of your flight tickets will vary. On the other hand, it isn’t too hard to find cheap flights to London from some UK airports. A lot of visitors come to London in the summer months, between June and September, however due to its brilliant festive celebrations, Christmas, New Years and Easter are also busy times. Families tend to pay a visit to the capital during half-term breaks too so expect museums, parks and attractions to get busy and flights to London to increase.
Off Season:
For a quieter experience of London (although London is always bustling), planning a visit between April and May and September to October can be youngest option to grab cheap flights to London, as well as enjoy less tourists. This is partially due to school terms starting or exam times and means that there will be cheaper room deals and less crowds, but you will still be able to enjoy all of the peak season attractions. You can normally find cheap flights to London in January and February too, although the weather does take a turn for the worse.
When is the best time to book a flight to London?
If you’re planning to visit London during half-term or when a particular event is on, make sure to book at least 5 or 6 weeks in advance to find the cheapest flight tickets available. If you’re flexible on your dates then you shouldn’t have much trouble finding the cheapest flights to London at most periods of the year. Sometimes you can catch a bargain just 2 weeks before departure but this might be cutting it short. Once you’ve sorted your flight tickets, don’t worry too much about which side of the plane to sit on as either side offers great views of London.
Which day is cheapest to fly to London?
At the moment, Monday is the most economical day to take a flight to London. Saturday is likely to be the most costly.
What time of day is cheapest to fly to London?
At the moment, flights in the evening are likely to offer the best value for money for your London trip. A flight at midday will more often than not be of higher cost.
How long is the flight to London?
Flights from Newcastle to London – 1 hour 10 minutes
Flights from Manchester to London – 50 minutes
Flights from Leeds to London – 55 minutes
Flights from Glasgow to London – 1 hours 15 minutes
Which airlines operate flights to London?
British airways is the main airline that offers the cheapest flights to London, closely followed by Ryanair. Flybe and Easy jet are also competitive with their prices so you shouldn’t have too much trouble finding a cheap flight. If you’re only going for a weekend and can make do with just hand luggage, Ryanair could be a prime airline as they normally sting you with checked in baggage.
How to get from the airport to the city centre?
Due to the fact London has 4 major airports, there are several ways to find your way to the centre. The main option and most popular choice is the catch a train directly to your desired stop. Heathrow for example has a train that goes to and from the airport and is extremely regular.
If you’re flying into Luton, you can take a bus to the London Underground and continue your journey from there. Because of the size of London, the underground is probably your best choice regardless of where you fly into, as it offers several stops all over the city. Driving is not very practical in London and a lot of areas require payment. A last resort (or if you do have lots of baggage) is to grab a taxi. However congestion in London is ripe and you will end up paying a fortune and taking more time to reach your destination.
