Cheap Flights from London Heathrow to Boston

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Compare London Heathrow to Boston flight deals

Find the cheapest month or even day of the year to fly to Boston

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Flight deals from London Heathrow to Boston

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Boston? If you want to travel next month, return fares start from $946. Find the lowest prices on one-way and return tickets right here.

Boston.$748 per passenger.Departing Mon, 23 Nov, returning Tue, 1 Dec.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from London Heathrow on Mon, 23 Nov, arriving in Boston Logan International.Inbound indirect flight with Aer Lingus, departs from Boston Logan International on Tue, 1 Dec, arriving in London Heathrow.Price includes taxes and charges.From $748, select.

Boston.$938 per passenger.Departing Wed, 18 Nov, returning Thu, 19 Nov.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Wed, 18 Nov, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Thu, 19 Nov, arriving in London Heathrow.Price includes taxes and charges.From $938, select.

Boston.$941 per passenger.Departing Wed, 14 Oct, returning Wed, 14 Oct.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Wed, 14 Oct, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Wed, 14 Oct, arriving in London Heathrow.Price includes taxes and charges.From $941, select.

Boston.$946 per passenger.Departing Tue, 8 Sep, returning Wed, 9 Sep.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Tue, 8 Sep, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Wed, 9 Sep, arriving in London Heathrow.Price includes taxes and charges.From $946, select.

Boston.$951 per passenger.Departing Sat, 5 Dec, returning Sat, 5 Dec.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Sat, 5 Dec, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Sat, 5 Dec, arriving in London Heathrow.Price includes taxes and charges.From $951, select.

Boston.$951 per passenger.Departing Wed, 23 Sep, returning Wed, 14 Oct.Return flight with LEVEL.Outbound indirect flight with LEVEL, departs from London Heathrow on Wed, 23 Sep, arriving in Boston Logan International.Inbound indirect flight with LEVEL, departs from Boston Logan International on Wed, 14 Oct, arriving in London Heathrow.Price includes taxes and charges.From $951, select.

Boston.$958 per passenger.Departing Fri, 15 Jan, returning Sat, 16 Jan.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Fri, 15 Jan, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Sat, 16 Jan, arriving in London Heathrow.Price includes taxes and charges.From $958, select.

Boston.$966 per passenger.Departing Thu, 4 Mar, returning Thu, 4 Mar.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Thu, 4 Mar, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Thu, 4 Mar, arriving in London Heathrow.Price includes taxes and charges.From $966, select.

Boston.$977 per passenger.Departing Wed, 17 Feb, returning Wed, 17 Feb.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Wed, 17 Feb, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Wed, 17 Feb, arriving in London Heathrow.Price includes taxes and charges.From $977, select.

Boston.$1,013 per passenger.Departing Fri, 7 May, returning Sat, 8 May.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Fri, 7 May, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Sat, 8 May, arriving in London Heathrow.Price includes taxes and charges.From $1,013, select.

Boston.$1,013 per passenger.Departing Tue, 29 Jun, returning Wed, 30 Jun.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Tue, 29 Jun, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Wed, 30 Jun, arriving in London Heathrow.Price includes taxes and charges.From $1,013, select.

Boston.$1,016 per passenger.Departing Wed, 26 Aug, returning Sun, 27 Sep.Return flight with LEVEL.Outbound indirect flight with LEVEL, departs from London Heathrow on Wed, 26 Aug, arriving in Boston Logan International.Inbound indirect flight with LEVEL, departs from Boston Logan International on Sun, 27 Sep, arriving in London Heathrow.Price includes taxes and charges.From $1,016, select.

Boston.$1,050 per passenger.Departing Tue, 30 Mar, returning Wed, 7 Apr.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Tue, 30 Mar, arriving in Boston Logan International.Inbound indirect flight with Icelandair, departs from Boston Logan International on Wed, 7 Apr, arriving in London Heathrow.Price includes taxes and charges.From $1,050, select.

Boston.$1,056 per passenger.Departing Mon, 12 Apr, returning Mon, 19 Apr.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from London Heathrow on Mon, 12 Apr, arriving in Boston Logan International.Inbound indirect flight with TAP Air Portugal, departs from Boston Logan International on Mon, 19 Apr, arriving in London Heathrow.Price includes taxes and charges.From $1,056, select.

Boston.$1,061 per passenger.Departing Tue, 26 Jan, returning Mon, 1 Feb.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from London Heathrow on Tue, 26 Jan, arriving in Boston Logan International.Inbound indirect flight with TAP Air Portugal, departs from Boston Logan International on Mon, 1 Feb, arriving in London Heathrow.Price includes taxes and charges.From $1,061, select.

Boston.$1,062 per passenger.Departing Thu, 26 Nov, returning Wed, 6 Jan.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from London Heathrow on Thu, 26 Nov, arriving in Boston Logan International.Inbound indirect flight with TAP Air Portugal, departs from Boston Logan International on Wed, 6 Jan, arriving in London Heathrow.Price includes taxes and charges.From $1,062, select.

Find the cheapest month to fly from London Heathrow to Boston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Boston flights are currently cheapest in November.

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Direct flights from London Heathrow to Boston

Alternative London Heathrow to Boston routes

Looking for the cheapest, fastest or easiest route from London Heathrow to Boston? You could fly into the following airports instead.

London to Boston: Flight information

The things to know before you go.

Cheapest flight found	$748
Cheapest month to fly	November
Average flight time	7 hrs, 42 mins
Most popular airline	British Airways
Average flights per week	293

Finding cheap flights from London Heathrow to Boston: Frequently asked questions

How many airports are there in Boston?

There are 7 airports in Boston: Boston Logan International, Worcester, Manchester, Fall River, Provincetown, Providence, and Portsmouth.

How much are return flights from London Heathrow to Boston?

The best price we found for a return flight from London Heathrow to Boston is $748. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from London Heathrow to Boston?

7 hours and 42 minutes is the average flight time from London Heathrow to Boston.

Which airlines fly direct from London Heathrow to Boston?

British Airways, American Airlines and Finnair fly direct from London Heathrow to Boston.

How many flights are there a week from London Heathrow to Boston?

As of August 2026, there are 293 flights per week flying from London Heathrow to Boston.

When is the cheapest time to fly from London Heathrow to Boston?

The cheapest month to fly from London Heathrow to Boston is usually November.

Which is the cheapest airport to fly into in Boston?

If you're flying from London Heathrow Airport, the cheapest airport near Boston is Boston Logan International – which is 4.5 km away from the centre of Boston. We've found flights into this airport from $748.

Which upcoming date is cheapest to fly from London Heathrow Airport to Boston on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Boston on Monday, 23 November 2026.

Can I get a direct flight from London Heathrow Airport to Boston?

Yes – the average flight time is 7 hours and 42 minutes.

How can I get the best flight deal from London Heathrow Airport to Boston?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Boston?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boston is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Boston?

In August, the average temperature is usually around 21°C. July is typically the warmest month in Boston, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -6°C. The rainiest month is March.

Which is the cheapest airline to fly from London Heathrow Airport to Boston with?

Currently, Aer Lingus and British Airways offer the cheapest flight tickets to Boston.

How to find the best cheap flights from London Heathrow to Boston with Skyscanner Flight Search

Whether you’re looking for a one-way or return flight, compare deals on plane tickets from London Heathrow to Boston with all major carriers, and find the cheapest fares, using Skyscanner’s Flight Search.

Simply hit ‘search’ – our Flight Search tool compares prices from all major online travel agents and airlines that offer flights from London Heathrow to Boston to help you find the best and cheapest tickets – with no hidden fees or extra costs

Flex your dates – use Skyscanner’s ‘whole month’ tool to find the cheapest time to fly from London Heathrow to Boston within your selected dates

Find direct flights – tick ‘direct flights only’ to only see direct plane tickets from London Heathrow to Boston, if available

Search for nearby airports - broaden your search and potentially find even better deals for nearby airports in London Heathrow and Boston by selecting "add nearby airports" in the Flight Search tool

Book a multi-city trip – planning on visiting more than one location on your journey? Select ‘multi-city’ when searching for flights to find the best deals for stop-overs

Choose your flight class – compare prices for economy, business, and first class plane tickets from London Heathrow to Bostonand get the best deals however you choose to fly

Use airline points – check whether your chosen airline has a points system, such as Airpoints, to unlock flight ticket discounts and make savings on future trips from London Heathrow to Boston - and other destinations

Get Price Alerts to keep track of airfare changes

Score the best prices on cheap flights from London Heathrow to Boston with Skyscanner’s Price Alerts. Use Flight Search to find flights for your route, then click the “Get Price Alerts” button on the top left of the results page to get a notification to your phone or e-mail whenever ticket prices go up or down. For mobile users, click the bell on the top right. You can also create Price Alerts using the free Skyscanner app.

Plan your trip to Boston all in one place with hotels and car hire

Discover the best deals on hotels and car hire in Boston to keep all your bookings in one place and make your journey as smooth as possible. Simply use Skyscanner’s search tool to compare prices from top hotel and car providers across the country, from global to local brands.

Find hotels in Boston
Find car hire in Boston

Book flights from London Heathrow to Boston with peace of mind

Fly from London Heathrow to Boston with peace of mind using Skyscanner’s helpful tips and resources.

Find flexible tickets – use Flight Search to book flexible tickets from London Heathrow to Boston (with eligible airlines) to protect your money if your flights are changed or cancelled

Keep track of travel information– make sure you check the latest travel guidance before you fly to Boston - including visa requirements, health alerts, and more - to avoid unexpected delays

Check your travel insurance – make sure you have the right travel insurance before your trip from London Heathrow to Boston to cover you for any unexpected events, such as cancellations, delays, and lost luggage

Add travel cost protection - avoid travel pitfalls and choose Travel Cost Protection with Skyscanner when booking flights from London Heathrow to Boston. It's available at the checkout for eligible destinations

Make greener choices with sustainable flights from London Heathrow to Boston

Did you know that with Skyscanner Flight Search, you can filter flights from London Heathrow to Boston to only see routes with lower-than-average carbon emissions? Simply select "Only show flights with lower CO2 emissions" under "Greener choices" in the filter menu, or look for the "Greener Choices" label at the top of flights listings.

Unlock exclusive deals with the Skyscanner app

Download the free Skyscanner app today and unlock exclusive deals on cheap flights from London Heathrow to Boston, car hire, and hotels at anytime, from anywhere.

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