Q: What is the typical price of a round-trip flight between London Heathrow Airport and Boston?

Prices are currently low for flights on this route. Typical prices usually range from $500 to $712. The lowest price recently found on this route was $488.

Question 1

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

Accepted Answer

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 2

What is the typical price of a round-trip flight between London Heathrow Airport and Boston?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $500 to $712.
The lowest price recently found on this route was $488.

Question 3

What cabin class options are available on London Heathrow to Boston Logan Intl flights?

Accepted Answer

There are 4 cabin classes available to choose from on London Heathrow to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 4

How often are flights from London to Boston delayed?

Accepted Answer

Historically, on average around 8% of flights between London and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 154 minutes.

Question 5

How many flights depart from London Heathrow Airport to Boston on average per week?

Accepted Answer

As of January 2026, there are 201 flights per week flying from London Heathrow Airport to Boston. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

Question 6

Which layover airport has the shortest travel time from London Heathrow Airport to Boston?

Accepted Answer

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 55m.

Question 7

Which layover airport has the shortest connection time from London Heathrow Airport to Boston?

Accepted Answer

Reykjavik (KEF) has the shortest average layover time for this route: 1h 46m.

Question 8

What is the cheapest month to fly to Boston?

Accepted Answer

In general, September is the cheapest month to fly from London Heathrow Airport to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $538. If you aren’t able to travel during the month of September, then book flights to Boston from London Heathrow Airport during February instead. Flights to Boston in February, while not as cheap as those in September, still average around $544.

Question 9

What is the cheapest day to depart on your flight to Boston?

Accepted Answer

The cheapest day to depart from London Heathrow Airport to Boston is on a Tuesday when prices can be found for as low as $698. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Saturday is $783.

Question 10

How have London Heathrow Airport to Boston flight prices changed over time?

Accepted Answer

As of January 2026, prices for London Heathrow Airport to Boston flights are approximately 5% cheaper when compared to flights at the same time last year.

Question 11

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

Accepted Answer

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Question 12

How far in advance should I book a flight to Boston?

Accepted Answer

You are more likely to see cheaper flights to Boston from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $627 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from London Heathrow Airport for as low as $565 on momondo.

Question 13

Which layover airport offers the lowest fares from London Heathrow Airport to Boston?

Accepted Answer

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $478.

Question 14

How many flights depart from London Heathrow Airport to Boston on average per day?

Accepted Answer

28 flights are operational daily from London Heathrow Airport to Boston as of January 2026. The most popular departure time for this route is 1:00PM, with 39% of flights per day taking off at noon.

Question 15

What airlines fly to Boston?

Accepted Answer

British Airways, Delta and American Airlines are the top three most popular airlines that fly to Boston from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 9 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Question 16

Which airport is the most popular layover for flights between London Heathrow Airport and Boston?

Accepted Answer

Reykjavik (KEF) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Question 17

What is the cheapest airline that flies from London Heathrow to Boston Logan Intl?

Accepted Answer

British Airways, Icelandair, and United Airlines are the most popular carriers operating from London Heathrow to Boston Logan Intl

Question 18

What is the cheapest London Heathrow to Boston Logan Intl flight route?

Accepted Answer

Fly from London Heathrow to Boston Logan Intl for the best London Heathrow - Boston Logan Intl flight prices

Question 19

What is the cheapest time of day to depart on your flight to Boston?

Accepted Answer

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Boston in the afternoon for as low as $703. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Boston, so prices are often more expensive at around $788 per ticket.

Question 20

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

Accepted Answer

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 4% of their flights experiencing any sort of delay.

Question 21

When did momondo last update prices for flights from London Heathrow Airport to Boston Logan Intl Airport?

Accepted Answer

Prices for flights from London Heathrow Airport to Boston Logan Intl Airport are updated daily.

Question 22

How many operators does momondo search for flights from London Heathrow Airport to Boston Logan Intl Airport?

Accepted Answer

As of January 2026, there are 9 operators available to choose from for flights from London Heathrow Airport to Boston Logan Intl Airport.

Question 23

How old do you have to be to fly from London Heathrow Airport to Boston Logan Intl Airport?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Boston Logan Intl Airport.

Question 24

What documentation or ID do you need to fly to Boston Logan Intl Airport?

Accepted Answer

The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best Price Found	$487
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Boston	1 airport

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $401	Free Cancellation	Rating 7.1 602 reviews	Search Icelandair flights
Finnair	PriceFrom $404	Free Cancellation	Rating 7.6 1,353 reviews	Search Finnair flights
British Airways	PriceFrom $478	Free Cancellation	Rating 6.7 7,689 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.2 2,891 reviews	Search JetBlue flights
Delta	PriceFrom $481	Free Cancellation	Rating 7.9 8,088 reviews	Search Delta flights
American Airlines	PriceFrom $486	Free Cancellation	Rating 7.2 11,174 reviews	Search American Airlines flights
Iberia	PriceFrom $539	Free Cancellation	Rating 7.0 3,094 reviews	Search Iberia flights
Air France	PriceFrom $548	Free Cancellation	Rating 7.4 1,523 reviews	Search Air France flights
Virgin Atlantic	PriceFrom $551	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights

Cheap flights from London Heathrow Airport to Boston from $395

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Boston departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Heathrow Airport to Boston

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Lufthansa flights from London Heathrow Airport to Boston

Our best Lufthansa deals on London Heathrow Airport to Boston flight tickets

Air Canada flights from London Heathrow Airport to Boston

Our best Air Canada deals on London Heathrow Airport to Boston flight tickets

momondo Fare Finder

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

See travel insights to Boston from

How to get the cheapest flight ticket from London Heathrow Airport to Boston

What is the typical price of a round-trip flight between London Heathrow Airport and Boston?

What is the cheapest month to fly to Boston?

What is the cheapest day to depart on your flight to Boston?

What is the cheapest time of day to depart on your flight to Boston?

What is the cheapest London Heathrow to Boston Logan Intl flight route?

Fly from London Heathrow to Boston Logan Intl for the best London Heathrow - Boston Logan Intl flight prices

How far in advance should I book a flight to Boston?

What cabin class options are available on London Heathrow to Boston Logan Intl flights?

There are 4 cabin classes available to choose from on London Heathrow to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Boston flight prices changed over time?

As of January 2026, prices for London Heathrow Airport to Boston flights are approximately 5% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from London Heathrow to Boston Logan Intl?

British Airways, Icelandair, and United Airlines are the most popular carriers operating from London Heathrow to Boston Logan Intl

What airlines fly to Boston?

How often are flights from London to Boston delayed?

Historically, on average around 8% of flights between London and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 154 minutes.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 4% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between London Heathrow Airport and Boston?

Reykjavik (KEF) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from London Heathrow Airport to Boston?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $478.

Which layover airport has the shortest travel time from London Heathrow Airport to Boston?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 55m.

Which layover airport has the shortest connection time from London Heathrow Airport to Boston?

Reykjavik (KEF) has the shortest average layover time for this route: 1h 46m.

How many flights depart from London Heathrow Airport to Boston on average per day?

28 flights are operational daily from London Heathrow Airport to Boston as of January 2026. The most popular departure time for this route is 1:00PM, with 39% of flights per day taking off at noon.

How many flights depart from London Heathrow Airport to Boston on average per week?

As of January 2026, there are 201 flights per week flying from London Heathrow Airport to Boston. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

When to book flights from London Heathrow Airport to Boston

Cheap London Heathrow Airport to Boston (LHR to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Boston

Best Price Found

Fastest flight time

Direct flights

Airports in Boston

How far is London Heathrow to Boston Logan Intl by plane?

When did momondo last update prices for flights from London Heathrow Airport to Boston Logan Intl Airport?

How many operators does momondo search for flights from London Heathrow Airport to Boston Logan Intl Airport?

How old do you have to be to fly from London Heathrow Airport to Boston Logan Intl Airport?

What documentation or ID do you need to fly to Boston Logan Intl Airport?

What is the most popular plane model from London Heathrow Airport to Boston?

What is the most popular airline from London Heathrow Airport to Boston?

Best airlines flying from London Heathrow Airport to Boston

Compare and see reviews for airlines that fly from London Heathrow Airport to Boston with momondo

Delta Flights From London Heathrow Airport to Boston

Finnair Flights From London Heathrow Airport to Boston

Traveling to a place near Boston?

Why use momondo?

Why should I use momondo to find a flight deal from London to Boston?

Can I find flights from London to Boston with flexible booking policies on momondo?

How can momondo help me find flights from London to Boston?