British Airways flights from London to Boston (LON - BOS)

LON — BOS
6 May — 13 May1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Boston on British Airways typically fly into Boston Logan Intl and depart from London Heathrow. Select your dates above for pricing.

British Airways flights from London to Boston in 2026

Find detailed information about British Airways flights from London to Boston. Explore the options provided by British Airways to plan your journey from London to Boston. Data last updated 6 April 2026.

One-way from

£360

Return from

£407

Popular in

July

Cheapest in

September

Average price (all airlines)

£483
British Airways
  • British Airways
  • 7/9
  • Nonstop
  • 7h 30m total
  • London to Boston
British Airways
  • British Airways
  • 17/8-25/8
  • Nonstop
  • 14h 05m total
  • London to Boston
Highest demand for flights from London to Boston Logan Intl; 9% potential price increase.
Best time to find cheap flights from London to Boston Logan Intl; 1% potential price drop.
Average price for all London to Boston Logan Intl flights (one-way and round-trip).

Find British Airways flight deals from London to Boston

Enter your travel dates to find the best prices.

Cheapest British Airways flights from London to Boston
Explore the most affordable British Airways flight options available from London to Boston. Find the lowest fares with prices last updated on 6 April 2026.

Fri 22/514:30
LHR
-
BOS
Nonstop7h 25m
British Airways
Wed 27/507:25
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 2/4£416
Thu 16/417:35
LHR
-
BOS
Nonstop7h 30m
British Airways
Mon 20/419:30
BOS
-
LHR
Nonstop6h 40m
British Airways
Deal found 2/4£438
Fri 1/517:35
LHR
-
BOS
Nonstop7h 30m
British Airways
Wed 13/521:50
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 6/4£465

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

Use this chart to determine the optimal time to book a return flight from London to Boston. Price data was last updated on 3 April 2026.

Booking with British Airways 63 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 with British Airways?

Currently, the most affordable month to book a British Airways flight from London to Boston in October, with an average price of £347. Conversely, traveling with British Airways from London to Boston in July will be the most expensive, with an average cost of £389. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly British Airways flight availability from London to Boston

The most British Airways flights from LON to BOS are scheduled on a Monday (4 on average). You will have fewer British Airways flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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.

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Fly from London to Boston on another airline

Consider alternative airlines that service the Boston area. Flight routes are based on user searches made on Cheapflights and were last updated on 6 April 2026.

See what others are saying about British Airways

Read reviews and see what other travellers are saying about their experiences with British Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing British Airways for your next flight. Reviews last updated 6 April 2026.
British Airways
6.7
Okay
7,856 reviews
Overview

Entertainment

6.4

Food

6.4

Comfort

6.8

Crew

7.7

Boarding

6.9

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