What percentage of Boston to London flights are direct?

In the trailing 90 days, approximately 19.1% of flights from Boston to London were direct. For flights that included stopovers, the median number of stopovers was 2. This suggests that while direct options are available, a significant portion of routes involve connections.

What's the flight time from Boston to London?

The median direct flight time from Boston to London is 6 hours and 40 minutes, covering a distance of 5271 kilometers. For flights with one stop, the median duration increases to 12 hours and 30 minutes. Travelers should account for these differences when planning their journey.

How often do cheap flights from Boston to London come up?

Historically, cheap flights from Boston to London have come up frequently. This route is classified as one with regular opportunities for finding lower-priced fares. Travelers can typically expect to find deals with some consistency.

Flights From Boston

To London

Cheap Flights from Boston to London

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Deals from

Boston

RatePunk searches hundreds of travel sites at once for deals on flights to London

Prices updated 1 day ago

444 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 9, 2026.)

Today’s best flight deals from Boston to London

Explore current cheapest deals departing from Boston to London

2026-10-18 – 2026-10-21
BOS - London
71% AI deal score
$504
$478
Round trip
2026-10-18 – 2026-10-22
BOS - London
70% AI deal score
$503
$478
Round trip
2026-11-06 – 2026-11-15
BOS - London
76% AI deal score
$521
$478
Round trip
2026-10-19 – 2026-10-26
BOS - London
76% AI deal score
$519
$485
Round trip
2026-10-21 – 2026-10-26
BOS - London
76% AI deal score
$531
$487
Round trip
2026-11-05 – 2026-11-11
BOS - London
76% AI deal score
$532
$489
Round trip
2026-11-06 – 2026-11-12
BOS - London
76% AI deal score
$535
$489
Round trip
2026-11-02 – 2026-11-06
BOS - London
77% AI deal score
$547
$495
Round trip
2026-11-06 – 2026-11-11
BOS - London
77% AI deal score
$544
$495
Round trip
2026-10-20 – 2026-10-28
BOS - London
73% AI deal score
$503
$500
Round trip

Boston to London: Overview

Insights for flights from Boston to London

For travelers looking for cheap flights from Boston to London, December stands out as the most affordable month, with a median fare of just $331. Other cost-effective options include February, where the median fare is $466, and April, with a median of $561. Planning your trip during these months can significantly reduce your travel expenses.

Right now, fares for flights from Boston to London typically range from $785 to $1167, with a median price of $929. Current fares are near the typical level for this route. Only 3% of recent fares were classified as a good price, indicating that finding exceptional deals can be challenging, though new deals appear almost daily.

When flying from Boston to London, most itineraries connect at least once, as only 19.1% of recent fares were for direct flights from Boston to London. For connecting itineraries, the typical number of connections is 2. This means you should generally expect a journey with stopovers rather than a non-stop flight.

A typical journey from Boston to London takes approximately 6h 40m, including connections. This median duration accounts for both direct and connecting flights. While the non-stop flight time is also 6h 40m, connecting itineraries typically extend the travel time to about 15h 20m, so it is important to factor in potential layovers when planning your trip.

The route from Boston to London covers a distance of 5271 kilometers, classifying it as a long-haul journey. This considerable distance means flights are typically longer and often involve international travel considerations.

How much is a round trip from Boston to London

Regular price: $438 - $1,015

Prices for flights from Boston to London are currently within the regular range.

The regular price range for flights from Boston to London is typically between $438 and $1015. The current lowest deal is $479 with Allegro, for travel from Oct 18-Oct 21.

now $479

Low $438

High $1,015

The cheapest time to fly from Boston to London

The cheapest month to fly from Boston to London is September, with a median price of $799. The most expensive month is December, with a median price of $1192. Prices are generally lower from January to November.

September

Cheapest

Flights from $799

December

Most Expensive

Flights from $1,192

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Boston to London

JetBlue Airways

Last-minute flights going from Boston to London

Sun, Aug 9

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LHR)

Air Canada

$944

$818

One-way

Sun, Aug 9

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LHR)

Lufthansa

$964

$827

One-way

Sun, Aug 9

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LHR)

Air Canada

$938

$829

One-way

Mon, Aug 10

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LHR)

Air Canada

$964

$819

One-way

Mon, Aug 10

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LHR)

Air Canada

$944

$820

One-way

Mon, Aug 10

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LHR)

Air Canada

$938

$837

One-way

Biggest price drops on these dates for flights from Boston to London

3 nights

Feb 12 - Feb 15

$721 → $566

21%

2 nights

Aug 10 - Aug 12

$964 → $819

15%

2 nights

Aug 9 - Aug 11

$964 → $827

14%

7 nights

Dec 1 - Dec 8

$681 → $547

20%

Popular Airports to fly from Boston to London

Boston - London route insights

💸 Price insights

Recent fares are near the typical level

Recent fares from Boston to London are near the typical level, with a median price of $929.

📅 Best time to fly

Fly in September for the best prices

Historically, September is the cheapest month to fly from Boston to London, with a median price of $799.

⏱️ Flight duration

Direct flights take 6h 40m

The typical direct flight from Boston to London takes 6h 40m, while connecting flights average 15h 20m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 80.9% of recent routes, typically involving two stopovers.

🏆 Airline highlight

JetBlue Airways offers direct flights

JetBlue Airways has recently offered direct flights from Boston to London.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Boston to London are considered frequent, appearing often over 30 days.

Boston main airports to depart from

Logan International (BOS)

Cheapest

Logan International Airport (BOS) is a convenient option for flights from Boston to London.

📍 ~4 km from Boston city center (reachable by car or public transport)

💸 Flights from ~$437

London main airports to arrive at

London Stansted (STN)

Cheapest

London Stansted is a good option for flights from Boston to London, offering competitive prices.

📍 ~49 km from London city center (reachable by car)

💸 Flights from ~$491

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub, offering a wide variety of short and long-haul destinations.

📍 ~160 km from London (reachable by train)

💸 Flights from ~$532

Business & First Class Flight Deals to London

Discover luxury on the budget with premium cabin class on flights from Boston to London.

Elite

Best Elite deals to London

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From BOS

Elite

Feb 05

London, United Kingdom

96% AI deal score

$19,895

$4,682

Save $15,213

From BOS

Elite

Oct 19

London, United Kingdom

93% AI deal score

$4,616

$2,325

Save $2,291

Icelandair

Business Class

From BOS

Elite

Oct 19

London, United Kingdom

93% AI deal score

$4,626

$2,325

Save $2,301

Icelandair

Business Class

From BOS

Elite

Oct 20

London, United Kingdom

93% AI deal score

$4,630

$2,325

Save $2,305

Icelandair

Business Class

From BOS

Elite

Oct 20

London, United Kingdom

93% AI deal score

$4,627

$2,325

Save $2,302

Icelandair

Business Class

From BOS

Elite

Oct 19

London, United Kingdom

93% AI deal score

$4,623

$2,325

Save $2,298

Icelandair

Business Class

From BOS

Elite

Oct 13

London, United Kingdom

93% AI deal score

$4,587

$2,328

Save $2,259

Icelandair

Business Class

From BOS

Elite

Oct 05

London, United Kingdom

93% AI deal score

$4,514

$2,378

Save $2,136

Icelandair

Business Class

From BOS

Elite

Oct 03

London, United Kingdom

93% AI deal score

$19,418

$6,250

Save $13,168

From BOS

Elite

Oct 03

London, United Kingdom

93% AI deal score

$19,210

$6,250

Save $12,960

From BOS

Elite

Oct 03

London, United Kingdom

93% AI deal score

$19,667

$6,500

Save $13,167

From BOS

Elite

Sep 16

London, United Kingdom

92% AI deal score

$17,144

$6,056

Save $11,088

Frequently Asked Questions About Flights to London

Historically, the optimal booking window for flights from Boston to London is typically 14-27 days before departure. During this period, the average price was $830. Booking within 0-6 days of departure saw an average price of $929, while booking 7-13 days out resulted in an average price of $1041. Prices for bookings made 28-59 days in advance averaged $894, and those made 60+ days out averaged $886.

Across the trailing quarter, a good price for a flight from Boston to London was considered to be $785 or less. The median price for this route was $929. Prices typically ranged up to $1167, representing the 75th percentile of observed fares.

Historically, December has been the cheapest month to fly from Boston to London, with a median price of $331. February also offered lower prices, with a median of $466. April had a median price of $561. The annual median price for this route was $929, indicating that these months offered significant savings compared to the yearly average.

Boston to London: Overview

Insights for flights from Boston to London

How much is a round trip from Boston to London

Regular price: $438 - $1,015

Prices for flights from Boston to London are currently within the regular range.

The regular price range for flights from Boston to London is typically between $438 and $1015. The current lowest deal is $479 with Allegro, for travel from Oct 18-Oct 21.

now $479

Low $438

High $1,015

The cheapest time to fly from Boston to London

September

Cheapest

Flights from $799

December

Most Expensive

Flights from $1,192

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Boston to London

JetBlue Airways

Last-minute flights going from Boston to London

Sun, Aug 9

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LHR)

Air Canada

$944

$818

One-way

Sun, Aug 9

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LHR)

Lufthansa

$964

$827

One-way

Sun, Aug 9

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LHR)

Air Canada

$938

$829

One-way

Mon, Aug 10

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LHR)

Air Canada

$964

$819

One-way

Mon, Aug 10

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LHR)

Air Canada

$944

$820

One-way

Mon, Aug 10

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LHR)

Air Canada

$938

$837

One-way

Biggest price drops on these dates for flights from Boston to London

3 nights

Feb 12 - Feb 15

$721 → $566

21%

2 nights

Aug 10 - Aug 12

$964 → $819

15%

2 nights

Aug 9 - Aug 11

$964 → $827

14%

7 nights

Dec 1 - Dec 8

$681 → $547

20%

Popular Airports to fly from Boston to London

Boston - London route insights

💸 Price insights

Recent fares are near the typical level

Recent fares from Boston to London are near the typical level, with a median price of $929.

📅 Best time to fly

Fly in September for the best prices

Historically, September is the cheapest month to fly from Boston to London, with a median price of $799.

⏱️ Flight duration

Direct flights take 6h 40m

The typical direct flight from Boston to London takes 6h 40m, while connecting flights average 15h 20m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 80.9% of recent routes, typically involving two stopovers.

🏆 Airline highlight

JetBlue Airways offers direct flights

JetBlue Airways has recently offered direct flights from Boston to London.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Boston to London are considered frequent, appearing often over 30 days.

Boston main airports to depart from

Logan International (BOS)

Cheapest

Logan International Airport (BOS) is a convenient option for flights from Boston to London.

📍 ~4 km from Boston city center (reachable by car or public transport)

💸 Flights from ~$437

London main airports to arrive at

London Stansted (STN)

Cheapest

London Stansted is a good option for flights from Boston to London, offering competitive prices.

📍 ~49 km from London city center (reachable by car)

💸 Flights from ~$491

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub, offering a wide variety of short and long-haul destinations.

📍 ~160 km from London (reachable by train)

💸 Flights from ~$532

Business & First Class Flight Deals to London

Discover luxury on the budget with premium cabin class on flights from Boston to London.

Elite

Best Elite deals to London

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From BOS

London, United Kingdom

93% AI deal score

$19,418

$6,250

Save $13,168

From BOS

Elite

Oct 03

London, United Kingdom

93% AI deal score

$19,210

$6,250

Save $12,960

From BOS

Elite

Oct 03

London, United Kingdom

93% AI deal score

$19,667

$6,500

Save $13,167

From BOS

Elite

Sep 16

London, United Kingdom

92% AI deal score

$17,144

$6,056

Save $11,088

Frequently Asked Questions About Flights to London

Cheap Flights from Boston to London

Today’s best flight deals from Boston to London

Boston to London: Overview

Insights for flights from Boston to London

How much is a round trip from Boston to London

The cheapest time to fly from Boston to London

Direct flights from Boston to London

Last-minute flights going from Boston to London

Biggest price drops on these dates for flights from Boston to London

Popular Airports to fly from Boston to London

Boston - London route insights

Recent fares are near the typical level

Fly in September for the best prices

Direct flights take 6h 40m

Connecting flights are dominant

JetBlue Airways offers direct flights

Deals are frequent on this route

Boston main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Feb 05

Oct 19

Oct 19

Oct 20

Oct 20

Oct 19

Oct 13

Oct 05

Oct 03

Oct 03

Oct 03

Sep 16

Frequently Asked Questions About Flights to London

When is the best time to book flights from Boston to London?

How much should a flight from Boston to London cost?

What's the best month to fly from Boston to London?

What percentage of Boston to London flights are direct?

What's the flight time from Boston to London?

How often do cheap flights from Boston to London come up?

Related routes

More routes from Boston

Flights to London from other cities

Boston to London: Overview

Insights for flights from Boston to London

How much is a round trip from Boston to London

The cheapest time to fly from Boston to London

Direct flights from Boston to London

Last-minute flights going from Boston to London

Biggest price drops on these dates for flights from Boston to London

Popular Airports to fly from Boston to London

Boston - London route insights

Recent fares are near the typical level

Fly in September for the best prices

Direct flights take 6h 40m

Connecting flights are dominant

JetBlue Airways offers direct flights

Deals are frequent on this route

Boston main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Feb 05

Oct 19

Oct 19

Oct 20

Oct 20

Oct 19

Oct 13

Oct 05

Oct 03

Oct 03

Oct 03

Sep 16

Frequently Asked Questions About Flights to London

When is the best time to book flights from Boston to London?

How much should a flight from Boston to London cost?

What's the best month to fly from Boston to London?