Question 1

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

Accepted Answer

Flights via Dublin (DUB) have the shortest average one-way travel time for one-stop routes: 9h 30m.

Question 2

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

Accepted Answer

Reykjavik (KEF) – chosen by Cheapflights users on 83% of one-stop itineraries from Boston to London on Cheapflights.

Question 3

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

Accepted Answer

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £337.

Question 4

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

Accepted Answer

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 15m.

Question 5

How long is the flight from Boston to London?

Accepted Answer

Airlines like JetBlue, Aer Lingus, and Scandinavian Airlines fly from Boston to London in about 6h 47m. The time it takes to get you to your destination can typically vary by up to 38h 28m. There are 3272 mi between Boston and London. Both multi-stop and direct flights can be found to your destination and back.

Question 6

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

Accepted Answer

Air France, at £229, was found to be the cheapest airline from Boston to London.Alternate airlines flying return to your destination include Icelandair and Virgin Atlantic. These flights start at 50% lower than the current average price 3 months from now.

Question 7

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

Accepted Answer

For one-way options, check prices for Icelandair. According to our data, you can fly for as low as £148. Users have also found prices from £148 and £149 on TAP AIR PORTUGAL and JetBlue, respectively.

Question 8

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

Accepted Answer

The price you pay for your flight from Boston to London may vary depending on when you book. For the best chance of a lower fare, look to book 71 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 9

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Boston to London (average of £112). Flying from Boston to London in August is currently the most expensive (average of £164). 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 10

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

Accepted Answer

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

Question 11

Weekly flight availability from Boston to London

Accepted Answer

The most flights from BOS to LON are scheduled on a Monday (38 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (28 on average).

Question 12

E

Accepted Answer

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Question 13

E

Accepted Answer

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 14

What are the most popular routes from Boston to London?

Accepted Answer

While some choose either Boston Logan Intl - London City or Boston Logan Intl - London Gatwick, Boston Logan Intl - London Heathrow is the most popular route from Boston to London.

Question 15

What are the cheapest flights from Boston to London?

Accepted Answer

On average you can expect to pay £837 for a flight from Boston to London. The cheapest flight overall is £131 while the most popular route, (Boston Logan Intl - London Heathrow) is currently priced at £260.

Question 16

What are the most reliable airlines from Boston to London?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Boston to London consider choosing Aeromexico (100%), Gulf Air (88%) or JetBlue (87%) as they are the most reliable in getting you off to your destination on time.

Question 17

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

Accepted Answer

Consider Air France, JetBlue or British Airways when booking your flight. These represent the most popular airlines when flying from Boston to London.

Question 18

What is the cheapest day to fly round-trip from Boston to London?

Accepted Answer

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to London. Check prices with Cheapflights to find a great deal for your trip.

Question 19

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

Accepted Answer

Find a great deal and save up to 9% by booking at least 36 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Boston to London within the next two weeks, with the cheapest ticket starting at £450.

Question 20

What is the cheapest month to fly from Boston to London?

Accepted Answer

January can be a great time to fly to London from Boston with a flight ticket averaging about £463. Cheapflights users have found deals in the month of January for as cheap as £287. The most expensive prices can be found in the month of June.

Question 21

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

Accepted Answer

When flying from Boston to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 19% versus a flight at midday.

Question 22

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

Accepted Answer

Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to London. On average, Logan Intl has 32 outbound flights to London per day from 7 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

Question 23

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

Accepted Answer

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

Question 24

How can I find direct flights from Boston to London?

Accepted Answer

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

Question 25

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

Accepted Answer

Yes. Cheapflights offers flight deals from Boston to London 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 26

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

Accepted Answer

Cheapflights makes it easy to find Boston to London 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 27

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

Accepted Answer

Cheapflights helps you find that perfect flight to London from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 28

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

Accepted Answer

Need flexible booking options for your flight to London from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 29

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

Accepted Answer

Yes, Cheapflights offers price alerts on Boston to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£338
One-way from	£148
Popular in	June
Cheapest in	January
Average price	£440
Good round-trip deal	£343 or less
Good one-way deal	£165 or less

Airline	Cheapest	Average	Flexibility	On-time
Air France	Cheapest£229	Average£572	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Icelandair	Cheapest£257	Average£420	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£275	Average£478	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£307	Average£507	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£322	Average£570	FlexibilityNo cancel fee	On-time75%	Search KLM flights
JetBlue	Cheapest£353	Average£663	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Iberia	Cheapest£405	Average£577	FlexibilityNo cancel fee	On-time77%	Search Iberia flights

Cheap flights from Boston to London from £148

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Boston Logan Intl to London are usually found in January or February, booked 71 days in advance, depart on a Monday or Friday and return on a Wednesday

Cheap flight deals from Boston to London

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Find flight deals from Boston to London

Cheapest flights from Boston to LondonExplore the most affordable flight options available from Boston to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 agosto 2025.

Explore the most affordable flight options available from Boston to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 agosto 2025.

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

Best time to book a flight from Boston to London

Have a flexible travel schedule? Discover the best time to fly to London from Boston with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a return flight from Boston to London. Price data was last updated on 22 August 2025.

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

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

Find hourly flight availability from Boston to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 agosto 2025.

Weekly flight availability from Boston to London

Explore weekly flight availability from Boston to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 27 agosto 2025.

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

Share of one-stop return flights from Boston to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

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

Average return fare for one-stop flights from Boston to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

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

Shortest average travel time for one-stop one-way flights from Boston to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

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

Average stopover duration for one-stop one-way flights from Boston to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing London

Check out reviews from past customers who have flown with KLM, Virgin Atlantic, andJetBlue from Boston to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boston to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How long is the flight from Boston to London?

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

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

What are the most popular routes from Boston to London?

What are the most reliable airlines from Boston to London?

What are the cheapest flights from Boston to London?

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

How can I find direct flights from Boston to London?

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

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

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Alternative routes for Boston to London

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Top 7 airlines flying from Boston to London

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

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

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

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

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Cheapest flights from Boston to London
Explore the most affordable flight options available from Boston to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 agosto 2025.