British Airways flights from London Heathrow Airport to Boston (LHR - BOS)

LHR — BOS
22 Apr — 29 Apr1
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 Heathrow to Boston in 2026

Find detailed information about British Airways flights from Heathrow to Boston. Explore the options provided by British Airways to plan your journey from Heathrow to Boston. Data last updated 23 March 2026.

One-way from

£324

Return from

£389

Popular in

December

Cheapest in

September

Average price (all airlines)

£477
British Airways
  • British Airways
  • 16/9
  • 2 total stops
  • 21h 35m total
  • London to Boston
British Airways
  • British Airways
  • 15/9-5/11
  • Nonstop
  • 14h 00m total
  • London to Boston
Highest demand for flights from London Heathrow to Boston Logan Intl; 4% potential price increase.
Best time to find cheap flights from London Heathrow to Boston Logan Intl; 1% potential price drop.
Average price for all London Heathrow to Boston Logan Intl flights (one-way and round-trip).

Find British Airways flight deals from Heathrow to Boston

Enter your travel dates to find the best prices.

Cheapest British Airways flights from Heathrow to Boston
Explore the most affordable British Airways flight options available from Heathrow to Boston. Find the lowest fares with prices last updated on 23 March 2026.

Sun 12/420:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Fri 1/519:30
BOS
-
LHR
Nonstop6h 40m
British Airways
Deal found 21/3£447
Tue 21/411:00
LHR
-
BOS
Nonstop7h 30m
British Airways
Tue 28/420:10
BOS
-
LHR
Nonstop6h 50m
British Airways
Deal found 22/3£466
Wed 25/317:05
LHR
-
BOS
Nonstop7h 40m
British Airways
Wed 15/407:25
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 20/3£472

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Boston. Price data was last updated on 20 March 2026.

Booking with British Airways 57 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport 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 Heathrow Airport to Boston with British Airways?

Currently, the most affordable month to book a British Airways flight from London Heathrow Airport to Boston in October, with an average price of £343. Conversely, traveling with British Airways from London Heathrow Airport to Boston in July will be the most expensive, with an average cost of £385. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Best time to book a flight from Heathrow to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Heathrow 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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Other British Airways flights from Heathrow

Browse through other British Airways flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 23 March 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 23 March 2026.
British Airways
6.7
Okay
7,813 reviews
Overview

Comfort

6.8

Crew

7.6

Boarding

6.9

Food

6.4

Entertainment

6.4

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