Q: How much does it cost for a return flight from London Heathrow Airport to Boston?

Airfare is below average for this route at the moment. London Heathrow Airport to Boston flights typically cost between £465 and £615 in September. The cheapest return price found within the last 5 days was £431 on Icelandair (1 Sept–8 Sept).

Question 1

How often are flights from London to Boston delayed?

Accepted Answer

About 9% of weekly flights between London and Boston have experienced delays in the past year, with the average delay time being 157 minutes.

Question 2

What’s the top stopover airport for flights from London Heathrow Airport to Boston?

Accepted Answer

Reykjavik (KEF) – chosen by Cheapflights users on 39% of one-stop itineraries from London Heathrow Airport to Boston on Cheapflights.

Question 3

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Saturday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Question 4

What’s the fastest stopover option from London Heathrow Airport to Boston?

Accepted Answer

Flights via Montreal (YUL) have the shortest average one-way travel time for one-stop routes: 10h 17m.

Question 5

How much does it cost for a return flight from London Heathrow Airport to Boston?

Accepted Answer

Airfare is below average for this route at the moment.London Heathrow Airport to Boston flights typically cost between £465 and £615 in September.
The cheapest return price found within the last 5 days was £431 on Icelandair (1 Sept–8 Sept).

Question 6

What is the most punctual flight time for London to Boston flights?

Accepted Answer

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Question 7

What’s the cheapest stopover airport for flights from London Heathrow Airport to Boston?

Accepted Answer

Frankfurt am Main (FRA) is the most affordable one-stop option, with an average return flight price of £333.

Question 8

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Boston?

Accepted Answer

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 00m.

Question 9

Which airline has the best punctuality record on London to Boston flights?

Accepted Answer

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 5% of flights being delayed.

Question 10

How long is the flight from London Heathrow Airport to Boston?

Accepted Answer

There are many flights that can get you from London Heathrow Airport to Boston in 14h 18m. Fly via United Airlines or SWISS to get the fastest option. The distance between London Heathrow Airport and Boston is about 3254 mi. This flight may include one or multiple stops.

Question 11

What are the cheapest airlines flying from London Heathrow Airport to Boston round-trip?

Accepted Answer

Our cheapest airline available from London Heathrow Airport to Boston is Delta. Our recent data shows that you can find tickets from as low as £279 on this airline. Additional options worth looking into are Icelandair and Lufthansa, starting at £296 and £315 round-trip. Delta is priced at 44% lower than the current average price of a flight leaving 3 months from now.

Question 12

What are the cheapest airlines to fly from London Heathrow Airport to Boston one-way?

Accepted Answer

One-way options have recently been found by users for as low as £255 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include JetBlue from £256 and Air Canada from £273 one-way.

Question 13

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

Accepted Answer

The best time to book flights from London Heathrow Airport to Boston is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 14

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of £423). Flying from London Heathrow Airport to Boston in June is currently the most expensive (average of £627). 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.

Question 15

What is the cheapest day to fly from London Heathrow Airport to Boston?

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to Boston flight should consider departing on Wednesday at midday when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 16

Weekly flight availability from London Heathrow Airport to Boston

Accepted Answer

The most flights from LHR to BOS are scheduled on a Friday (44 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (35 on average).

Question 17

E

Accepted Answer

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.

Question 18

E

Accepted Answer

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).

Question 19

What are the cheapest flights from London Heathrow Airport to Boston?

Accepted Answer

The cheapest flight price from London Heathrow Airport to Boston is £287. On average you can expect to pay £1,307. The most popular route, (London Heathrow - Boston Logan Intl), can usually be booked for £386.

Question 20

What are the most reliable airlines from London Heathrow Airport to Boston?

Accepted Answer

Consider SAUDIA (100%), Scandinavian Airlines (98%) or JetBlue (92%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Boston.

Question 21

What are the most popular airlines that fly from London Heathrow Airport to Boston?

Accepted Answer

Virgin Atlantic, British Airways and KLM are the most popular airlines when flying from London Heathrow Airport to Boston.

Question 22

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

Accepted Answer

When flying from London Heathrow Airport to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 22% versus a flight in the evening.

Question 23

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

Accepted Answer

Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from London Heathrow. On average, Logan Intl has 39 inbound flights from London Heathrow per day from 16 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

Question 24

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

Accepted Answer

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

Question 25

How can I find direct flights from Heathrow to Boston?

Accepted Answer

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

Question 26

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

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow 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.

Question 27

How does Cheapflights help users find flights from Heathrow to Boston?

Accepted Answer

Cheapflights makes it easy to find Heathrow to Boston flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 28

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

Accepted Answer

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 Heathrow.

Question 29

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

Accepted Answer

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

Question 30

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

Accepted Answer

Yes! Start tracking prices for Heathrow to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	£431
One-way from	£344
Popular in	June
Cheapest in	February
Average price	£542
Good round-trip deal	£495 or less
Good one-way deal	£400 or less

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£279	Average£565	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Icelandair	Cheapest£296	Average£420	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Lufthansa	Cheapest£315	Average£405	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
TAP AIR PORTUGAL	Cheapest£316	Average£396	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	Cheapest£317	Average£425	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
United Airlines	Cheapest£327	Average£407	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
JetBlue	Cheapest£327	Average£491	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Virgin Atlantic	Cheapest£357	Average£510	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air Canada	Cheapest£362	Average£551	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	Cheapest£363	Average£626	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Cheap flights from London Heathrow Airport to Boston from £344

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Boston

Cheapest flights from Heathrow to BostonExplore the most affordable flight options available from Heathrow to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 July 2026.

Explore the most affordable flight options available from Heathrow to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 July 2026.

Best flights from Heathrow to BostonDiscover carefully curated flight deals from Heathrow to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 July 2026.

Discover carefully curated flight deals from Heathrow to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 July 2026.

Direct flights from Heathrow to BostonExplore direct flight options from Heathrow to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 July 2026.

Explore direct flight options from Heathrow to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 July 2026.

Last-minute flights from Heathrow to BostonDiscover last-minute flight deals from Heathrow to Boston. Data last updated 27 July 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Boston. Data last updated 27 July 2026 and is based on user searches.

One-way flights from Heathrow to BostonSearch for one-way flight options from Heathrow to Boston. Find affordable one-way fares based on user searches. Data last updated 27 July 2026.

Search for one-way flight options from Heathrow to Boston. Find affordable one-way fares based on user searches. Data last updated 27 July 2026.

Find flight deals from Heathrow to Boston

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Boston that are best for you.

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.

Cheapflights Insights

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

The best time to book flights from London Heathrow Airport to Boston is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

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

When flying from London Heathrow Airport to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 22% versus a flight in the evening.

What is the cheapest day to fly from London Heathrow Airport to Boston?

Travellers seeking maximum savings on their London Heathrow Airport to Boston flight should consider departing on Wednesday at midday when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight from London Heathrow Airport to Boston?

Airfare is below average for this route at the moment.

London Heathrow Airport to Boston flights typically cost between £465 and £615 in September.The cheapest return price found within the last 5 days was £431 on Icelandair (1 Sept–8 Sept).

Weekly flight availability from London Heathrow Airport to Boston

The most flights from LHR to BOS are scheduled on a Friday (44 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (35 on average).

How often are flights from London to Boston delayed?

About 9% of weekly flights between London and Boston have experienced delays in the past year, with the average delay time being 157 minutes.

What is the most punctual flight time for London to Boston flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Boston flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 5% of flights being delayed.

What’s the top stopover airport for flights from London Heathrow Airport to Boston?

Reykjavik (KEF) – chosen by Cheapflights users on 39% of one-stop itineraries from London Heathrow Airport to Boston on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Boston?

Frankfurt am Main (FRA) is the most affordable one-stop option, with an average return flight price of £333.

What’s the fastest stopover option from London Heathrow Airport to Boston?

Flights via Montreal (YUL) have the shortest average one-way travel time for one-stop routes: 10h 17m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Boston?

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 00m.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated 27 July 2026.

Get a feel of what it's like to fly with KLM,Air France, andVirgin Atlantic from London Heathrow Airport to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from London Heathrow Airport to Boston?

What are the cheapest airlines flying from London Heathrow Airport to Boston round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to Boston one-way?

What are the most reliable airlines from London Heathrow Airport to Boston?

What are the cheapest flights from London Heathrow Airport to Boston?

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

How can I find direct flights from Heathrow to Boston?

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

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

Travelling to a place near Boston?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow to Boston on these airlines

Choose from the following airlines for your flight from Heathrow to Boston. Flights are based on user searches made on Cheapflights and were last updated on 27 July 2026.

Alternative routes for Heathrow to Boston

See prices for flight routes from nearby airports that may be better suited for you.

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 July 2026.

Complete your trip

Complete your trip to Boston by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Massachusetts

Cheapest flights from Heathrow to Boston
Explore the most affordable flight options available from Heathrow to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 July 2026.

Best flights from Heathrow to Boston
Discover carefully curated flight deals from Heathrow to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 July 2026.

Direct flights from Heathrow to Boston
Explore direct flight options from Heathrow to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 July 2026.

Last-minute flights from Heathrow to Boston
Discover last-minute flight deals from Heathrow to Boston. Data last updated 27 July 2026 and is based on user searches.

One-way flights from Heathrow to Boston
Search for one-way flight options from Heathrow to Boston. Find affordable one-way fares based on user searches. Data last updated 27 July 2026.

London Heathrow Airport to Boston flights typically cost between £465 and £615 in September.
The cheapest return price found within the last 5 days was £431 on Icelandair (1 Sept–8 Sept).