How long is the flight from London to Boston?

British Airways and United Airlines can get you from London to Boston in just under 10h 25m. Your travel time can differ by up to 1h 10m. Airlines will cover a distance of 5237 km. Both multi-stop and direct flights can be found to your destination and back.

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.

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).

What are the most reliable airlines from London to Boston?

No one likes to see their flight delayed. When booking a flight from London to Boston consider choosing JetBlue(82%), TAP AIR PORTUGAL(82%) or Scandinavian Airlines(80%), as they are the most reliable in getting you off to your destination on time.

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

For a flight from London to Boston, you will be flying into Logan Intl. Boston Logan Intl (BOS) is just 4.2 km from the centre vof the city. Logan Intl is the only Boston airport and it handles 8 inbound flights from London per day. 0 airlines have flights to Boston Logan Intl from London on a regular basis.

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

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

How can I find direct flights from London to Boston?

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

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

Yes. Cheapflights offers flight deals from London 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.

₹ 45,290+ Cheap Flights from London to Boston

Cheapflights Tip: The best prices from London to Boston Logan Intl are usually found in February or November, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

Cheap flight deals from London to Boston

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to Boston
Explore the most affordable flight options available from London to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Sat 31/1012:15 -

1 stop10h 35m

Sun 8/1119:50 -

1 stop10h 00m

Deal found 23/10₹ 54,310

Fri 30/1012:15 -

1 stop10h 35m

Sun 6/1219:50 -

1 stop10h 00m

Deal found 22/10₹ 54,405

Sun 1/1120:35 -

1 stop26h 15m

Mon 9/1119:50 -

1 stop18h 40m

Deal found 23/10₹ 54,500

Wed 4/1120:35 -

1 stop26h 15m

Wed 11/1119:50 -

1 stop18h 40m

Deal found 20/10₹ 55,259

Sat 31/1012:15 -

1 stop10h 35m

Fri 11/1219:50 -

1 stop18h 40m

Deal found 23/10₹ 56,209

Wed 18/1112:15 -

1 stop10h 35m

Thu 26/1119:50 -

1 stop10h 00m

Deal found 25/10₹ 56,304

Mon 23/1120:35 -

1 stop26h 15m

Sun 29/1119:50 -

1 stop18h 40m

Deal found 25/10₹ 56,399

Tue 24/1120:35 -

1 stop26h 15m

Mon 30/1119:50 -

1 stop10h 00m

Deal found 23/10₹ 56,494

Sun 27/1220:35 -

1 stop26h 15m

Wed 6/119:50 -

1 stop10h 00m

Deal found 22/10₹ 56,589

Sat 21/1119:55 -

1 stop23h 05m

Sat 28/1122:10 -

1 stop12h 20m

Deal found 20/10₹ 57,158

Sat 31/1012:15 -

1 stop10h 35m

Wed 25/1119:50 -

1 stop18h 40m

Deal found 22/10₹ 57,633

Sat 31/1008:50 -

1 stop10h 05m

Sat 14/1117:15 -

1 stop10h 50m

Deal found 23/10₹ 58,203

Find flight deals from London to Boston

Round-trip from	₹ 54,310
One-way from	₹ 45,290
Popular in	June
Cheapest in	February
Average price	₹ 65,609
Good round-trip deal	₹ 56,482 or less

Icelandair
10/4-30/5
2 total stops
20h 50m total
London to Boston

Search Deals

TAP AIR PORTUGAL
26/11-31/12
1 total stop
14h 00m total
London to Boston

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (₹ 559,651 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (₹ 105,361 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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Price to beat on a round-trip flight from London (LON) to Boston Logan Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Thu 24/12

18:00-14:59

2 stops25h 59m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

₹ 45,290

Fastest return journey

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Sun 6/12

09:20-12:15

Nonstop7h 55m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

₹ 46,334

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Tue 8/12

09:20-12:15

Nonstop7h 55m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

₹ 46,334

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Tue 5/1

20:05-20:20

1 stop29h 15m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

₹ 46,619

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Mon 11/1

09:20-12:16

Nonstop7h 56m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

₹ 46,809

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Tue 5/1

18:00-22:37

1 stop33h 37m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

₹ 46,904

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Wed 4/11

09:20-12:15

Nonstop7h 55m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

₹ 49,373

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Sat 14/11

08:05-16:59

1 stop13h 54m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

₹ 50,037

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Sat 19/12

17:10-20:20

1 stop32h 10m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

₹ 50,417

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Thu 31/12

11:10-18:35

1 stop12h 25m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

₹ 51,272

Flights are sorted by cheapest return flights first.

Deals found on 24/10

Showing 1-10 of 22 resultsSorted by cheapest first

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.

LON-BOS

LHR-BOS

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.

Cheapflights Insights

Everything you need to know about your flight from London to Boston

LON-BOS

LHR-BOS

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

Currently, February is the cheapest month in which you can book a flight from London to Boston (average of ₹ 53,455). Flying from London to Boston in June is currently the most expensive (average of ₹ 78,806). 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.

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

One of the essential ways to save on airfare from London to Boston is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.

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

Airfare is below average for this route at the moment.

London to Boston flights typically cost between ₹ 57,348 and ₹ 72,540 in April.
The cheapest return price found within the last 5 days was ₹ 54,310 on Icelandair (10 Apr–30 May).

How often are flights from London to Boston delayed?

About 10% of weekly flights between London and Boston have experienced delays in the past year, with the average delay time being 159 minutes.

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

Historically, flights departing in the morning 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 Thursday 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 6% of flights being delayed.

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

Booking 53 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.

Related info for your journey

What airport do you fly into for flights to Boston from London?
For a flight from London to Boston, you will be flying into Logan Intl. Boston Logan Intl (BOS) is just 4.2 km from the centre vof the city. Logan Intl is the only Boston airport and it handles 8 inbound flights from London per day. 0 airlines have flights to Boston Logan Intl from London on a regular basis.
How long is the flight from London to Boston?
British Airways and United Airlines can get you from London to Boston in just under 10h 25m. Your travel time can differ by up to 1h 10m. Airlines will cover a distance of 5237 km. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from London to Boston?
No one likes to see their flight delayed. When booking a flight from London to Boston consider choosing JetBlue(82%), TAP AIR PORTUGAL(82%) or Scandinavian Airlines(80%), as they are the most reliable in getting you off to your destination on time.
Can I find deals for flights from London to Boston that include hotel bookings?
Yes. In addition to deals on London to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Boston.
Can I find deals for business class flights from London to Boston?
Yes. Cheapflights offers flight deals from London 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.
What is the cheapest month to book a flight from London to Boston?
Currently, February is the cheapest month in which you can book a flight from London to Boston (average of ₹ 53,455). Flying from London to Boston in June is currently the most expensive (average of ₹ 78,806). 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.

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Deals for London to Boston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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 London.

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

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

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Not ready to book yet? You can track prices for flights from London to Boston on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from London to Boston from ₹ 45,290

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Boston

Cheapest flights from London to BostonExplore the most affordable flight options available from London to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Explore the most affordable flight options available from London to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Best flights from London to BostonDiscover carefully curated flight deals from London to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Discover carefully curated flight deals from London to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Direct flights from London to BostonExplore direct flight options from London to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 October 2026.

Explore direct flight options from London to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 October 2026.

Last-minute flights from London to BostonDiscover last-minute flight deals from London to Boston. Data last updated 25 October 2026 and is based on user searches.

Discover last-minute flight deals from London to Boston. Data last updated 25 October 2026 and is based on user searches.

One-way flights from London to BostonSearch for one-way flight options from London to Boston. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Search for one-way flight options from London to Boston. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Find flight deals from London to Boston

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

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.

Cheapflights Insights

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

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

Find hourly flight availability from London to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 October 2026.

One of the essential ways to save on airfare from London to Boston is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.

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

Airfare is below average for this route at the moment.

London to Boston flights typically cost between ₹ 57,348 and ₹ 72,540 in April.The cheapest return price found within the last 5 days was ₹ 54,310 on Icelandair (10 Apr–30 May).

How often are flights from London to Boston delayed?

About 10% of weekly flights between London and Boston have experienced delays in the past year, with the average delay time being 159 minutes.

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

Historically, flights departing in the morning 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 Thursday 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 6% of flights being delayed.

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

Booking 53 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.

Related info for your journey

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

How long is the flight from London to Boston?

What are the most reliable airlines from London to Boston?

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

How can I find direct flights from London to Boston?

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

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

Travelling to a place near Boston?

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

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

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Cheapest flights from London to Boston
Explore the most affordable flight options available from London to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Best flights from London to Boston
Discover carefully curated flight deals from London to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Direct flights from London to Boston
Explore direct flight options from London to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 October 2026.

Last-minute flights from London to Boston
Discover last-minute flight deals from London to Boston. Data last updated 25 October 2026 and is based on user searches.

One-way flights from London to Boston
Search for one-way flight options from London to Boston. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

London to Boston flights typically cost between ₹ 57,348 and ₹ 72,540 in April.
The cheapest return price found within the last 5 days was ₹ 54,310 on Icelandair (10 Apr–30 May).