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Cheap flights from London to Boston

LON — BOS
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Boston Logan Intl are usually found in September or February, booked 79 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from London to Boston

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 October 2025.

Popular in

December

Cheapest in

September

Average price

₹ 51,805

Good round-trip deal

₹ 48,597 or less
Highest demand for flights based on searches. 4% potential increase in price (₹ 209,321 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (₹ 109,324 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from London (LON) to Boston Logan Intl.
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Best time to book a flight from London to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Boston

How far ahead should I book a flight from London to Boston?

Use this chart to determine the optimal time to book a return flight from London to Boston. Price data was last updated on 24 October 2025.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Boston?

Currently, January is the cheapest month in which you can book a flight from London to Boston (average of ₹ 14,576). Flying from London to Boston in August is currently the most expensive (average of ₹ 42,673). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to BOS?

Find hourly flight availability from London to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 October 2025.

One of the essential ways to save on airfare from London to Boston is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 17% on airfare.

Related info for your journey

Find useful and relevant information for your journey from London to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from London?

    For a flight from London to Boston, you will be flying into Logan Intl. Boston Logan Intl (BOS) is just 4.2 km from the centre vof the city. Logan Intl is the only Boston airport and it handles 30 inbound flights from London per day. 0 airlines have flights to Boston Logan Intl from London on a regular basis.

  • What are the most reliable airlines from London to Boston?

    No one likes to see their flight delayed. When booking a flight from London to Boston consider choosing Scandinavian Airlines(90%), Gulf Air(90%) or KLM(89%), as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from London to Boston that include hotel bookings?

    Yes. In addition to deals on London to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Boston.

  • Can I find deals for business class flights from London to Boston?

    Yes. Cheapflights offers flight deals from London to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Boston?

    Currently, January is the cheapest month in which you can book a flight from London to Boston (average of ₹ 14,576). Flying from London to Boston in August is currently the most expensive (average of ₹ 42,673). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Revere
Cambridge
Waltham

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Other flights to Boston

Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 October 2025.
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How does Cheapflights help users find flights from London to Boston?

Deals for London to Boston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Boston?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Boston from London.

Can Cheapflights find flights from London to Boston with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Boston flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Boston become cheaper?

Not ready to book yet? You can track prices for flights from London to Boston on Cheapflights with our Price Alert feature and get notified when better prices are available.

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