Cheap flights from London to Boston
The best prices from London to Boston Logan Intl are usually found in February or November, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
How to find the cheapest flight from
London (LON) to Boston (BOS)
All the information you need to plan the best LON to BOS flight in 2022: compare London to Boston flight prices with the expected peak season, weather and rainfall in Boston.
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LON - BOS Price
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£518 - £705
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BOS Temperature
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-1 - 23 °C
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BOS Rainfall
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78 - 101 mm
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Popular in July High demand for flights, 15% potential price rise |
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Cheapest in February Best time to find cheap flights, 13% potential price drop |
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Round-trip from £435 From London (LON) to Boston Logan Intl |
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One-way from £203 One-way flight from London (LON) to Boston Logan Intl |
When is the cheapest time to fly from London to Boston (LON - BOS)?
It’s optimal to fly from London to Boston at midday. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly round-trip from London to Boston?
Saturday flights are found to be more expensive to fly from London to Boston. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boston.
What is the cheapest month to fly from London to Boston?
Our data shows that February tends to be the cheapest month to fly to Boston from London. Users have commonly found prices around £503 for the month, but tickets can be as low as £355. Due to multiple factors, prepare for potentially higher prices in July.
How far in advance should I book a flight from London to Boston?
Travelers have found it’s best to book a flight 61 days in advance to save up to 31% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London to Boston 1-2 weeks in advance for as low as £578, or £625 for flights within the next 24 hours.
Cheap flights from London to Boston in July, August 2022
The best prices found for LON to BOS flights in July, August
London to Boston 2022 flight deals
Cheap flights to Boston from London found for this year
Cheap TAP AIR PORTUGAL flights from London to Boston
TAP AIR PORTUGAL is one of the most popular airlines used for those travelling from London to Boston. London to Boston flights are typically 54% cheaper than other airlines traveling the same route. Flights from TAP AIR PORTUGAL typically cost £577.76 RT. The cheapest TAP AIR PORTUGAL flight found for this route was £449. London Heathrow Airport is the most common London airport to take off from when flying to Boston. Boston Logan Intl Airport is the most popular arrival airport in Boston. When flying from London to Boston, TAP AIR PORTUGAL flights are 8% more popular than any other airline flying that same route.
Cheap KLM flights from London to Boston
One of the most popular airlines travelling from London to Boston is KLM. Flights on this route from KLM typically cost £569.93 RT, a price that is 63% cheaper than the average London to Boston flight. The cheapest flight found was £339 RT. The most popular departure airport in London when flying to Boston is London Heathrow Airport. The most popular airport to fly into when visiting Boston is Boston Logan Intl Airport. When flying from London to Boston, KLM flights are 7% more popular than any other airline flying that same route.
Direct flights to Boston from London
Save time with London to Boston direct flight deals
Last-minute flights from London to Boston
Late deals on return flights to Boston from London, departing today and this week
One-way flights to Logan Intl from London
The cheapest one-way flights from London to Boston
Related info for your journey
Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Boston</span> flights.
COVID Restrictions
View COVID Travel Restrictions for Boston, MAAlternative routes for London to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from London to Boston Logan Intl
The chart below displays the airlines Cheapflights users travelling from London to Boston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2022.
Hourly flight availability from London to Boston
See what time of day planes typically take off from London towards Boston.
| Morning 6 AM to midday | 55% of flight departures |
| Afternoon Midday to 6 PM | 30% of flight departures |
| Evening 6 PM to midnight | 14% of flight departures |
| Early morning Midnight to 6 AM | 1% of flight departures |