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, 0% potential price drop |
| Average price | ฿23,578 | Average for return flights in October 2021 |
| Return from | ฿14,407 | From Bangkok to London |
| One-way from | ฿1,834 | One-way flight from Bangkok to London |
Cheap flights to London in October, November 2021
The best prices found for LON flights for October, November
Bangkok Suvarnabhumi
London Heathrow
1 stop
31h 05mLondon Heathrow
Bangkok Suvarnabhumi
1 stop
14h 05mFinnair
Bangkok Suvarnabhumi
London Heathrow
1 stop
17h 05mLondon Heathrow
Bangkok Suvarnabhumi
1 stop
16h 55mFinnair
Bangkok Suvarnabhumi
London Heathrow
1 stop
14h 55mLondon Heathrow
Bangkok Suvarnabhumi
1 stop
14h 05mFinnair
London 2021 flight deals
Cheap flights to London found for this year
Bangkok Suvarnabhumi
London Heathrow
1 stop
31h 05mLondon Heathrow
Bangkok Suvarnabhumi
1 stop
14h 05mFinnair
Bangkok Suvarnabhumi
London Heathrow
1 stop
17h 05mLondon Heathrow
Bangkok Suvarnabhumi
1 stop
16h 55mFinnair
Bangkok Suvarnabhumi
London Heathrow
1 stop
14h 55mLondon Heathrow
Bangkok Suvarnabhumi
1 stop
14h 05mFinnair
Last minute flights to London
Late deals on return flights to London, departing today and this week
Bangkok Suvarnabhumi
London Heathrow
1 stop
31h 05mLondon Heathrow
Bangkok Suvarnabhumi
1 stop
14h 05mFinnair
Bangkok Suvarnabhumi
London Heathrow
1 stop
17h 15mLondon Heathrow
Bangkok Suvarnabhumi
1 stop
19h 50mMultiple Airlines
Bangkok Suvarnabhumi
London Heathrow
1 stop
31h 15mLondon Heathrow
Bangkok Suvarnabhumi
1 stop
31h 00mFinnair
Can I fly to London from Thailand right now?
Most visitors from Thailand need to provide a negative COVID-19 test result and/or quarantine to enter London.
COVID-19 testing requirements
Visitors from Thailand must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London.
Quarantine requirements
Visitors from Thailand are not required to quarantine after entering London.
Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.
Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.
COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.
Can I fly back to Thailand from London?
COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Thailand.
Quarantine requirements
Visitors from London are not required to quarantine after entering Thailand.
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.
January
฿23,845
February
฿24,512
March
฿18,609
April
฿26,246
May
฿23,411
June
฿25,212
July
฿27,313
August
฿27,647
September
฿23,611
October
฿18,909
November
฿21,610
December
฿25,646
At the present moment the cheapest month to fly to London is currently March; with August 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 London?
Average London flight ticket prices and weather conditions for 2021 and 2022 by month
TH1 - LON | Price | ฿20,221 - ฿33,000 |
LON | Temperature | 4 - 17 °C |
LON | Precipitation | 40 - 70 mm |
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.
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.
London insider information
London is well known for its high costs for just about everything, however if you’re visiting the capital you can find great things to do for less than £20.
A hugely popular thing to do in London is visit the west end, but this can be very difficult if you’re on a budget. However, all is not lost, here are 5 ways you can save money on west end theatre tickets.
Street food hasn’t been a well known concept in London until recent years, and now you can get some great tasting food. The hard part is finding where, so take a look and discover the best street food stalls in London.
If you’re a fan of gardens and secret hideaways, make sure to visit these beautiful secret gardens on your visit.
London is a big, big place. That is until you take a visit to the Shard and discover a whole new London you’ve never seen before.