What percentage of Boston to London flights are direct?

In the trailing 90 days, approximately 21.8% of flights from Boston to London were direct. For travelers opting for connecting flights, the median number of stopovers was 2. This indicates that a significant portion of routes involve at least one stop.

What's the flight time from Boston to London?

The median direct flight time from Boston to London is approximately 6 hours and 45 minutes, covering a distance of 5271 kilometers. For flights with one stop, the median travel time increases significantly to about 12 hours and 57 minutes. This difference highlights the convenience of direct routes for this journey.

How much do direct flights from Boston to London cost compared to connecting flights?

Historically, direct flights from Boston to London typically cost 18% more than connecting flights. The median price for a direct flight was $1101, while connecting flights had a median price of $930. Direct flights accounted for approximately 22.8% of the observed routes in the trailing 90 days, indicating they are less common but offer a premium for convenience.

Flights From Boston

To London

Cheap Flights from Boston to London

Browse current best options from Boston. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Boston

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

Prices updated 7 days ago

483 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)

Today’s best flight deals from Boston to London

Explore current cheapest deals departing from Boston to London

2026-12-09 – 2026-12-16
BOS - London
76% AI deal score
$524
$487
Round trip
2026-12-08 – 2026-12-15
BOS - London
85% AI deal score
$623
$488
Round trip
2026-12-09 – 2026-12-14
BOS - London
77% AI deal score
$550
$493
Round trip
2026-12-01 – 2026-12-15
BOS - London
73% AI deal score
$492
$495
Round trip
2026-12-01 – 2026-12-14
BOS - London
73% AI deal score
$485
$501
Round trip
2026-12-11 – 2026-12-14
BOS - London
77% AI deal score
$559
$502
Round trip
2026-12-04 – 2026-12-08
BOS - London
85% AI deal score
$649
$503
Round trip
2026-12-10 – 2026-12-14
BOS - London
75% AI deal score
$559
$513
Round trip
2026-11-11 – 2026-11-16
BOS - London
73% AI deal score
$502
$518
Round trip
2026-11-13 – 2026-11-23
BOS - London
73% AI deal score
$457
$521
Round trip

Boston to London: Overview

Insights for flights from Boston to London

For travelers looking for cheap flights from Boston to London, February stands out as the most affordable month, with a median fare of $847. Other cost-effective options include October, with a median fare of $858, and January, where the median fare is $884. Planning your trip during these months could lead to more budget-friendly travel.

Right now, fares for flights from Boston to London typically range from $807 to $1180, with a median price of $945. Current fares are near the typical level. New deals appear almost daily, suggesting frequent opportunities to find competitive prices.

When flying from Boston to London, most itineraries connect at least once. Only 21.8% of recent fares were for direct flights from Boston to London. For itineraries that include connections, the typical number of stopovers is 2.

A typical journey from Boston to London takes about 6h 50m, including connections. For non-stop flights, the median flight time is also 6h 50m. However, for connecting itineraries, the median journey time is significantly longer, at 17h 6m.

The route from Boston to London covers a distance of 5271 kilometers, classifying it as a long-haul flight. This means you can expect a substantial travel duration, typical for intercontinental journeys.

How much is a round trip from Boston to London

Regular price: $490 - $682

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

Regular prices for flights from Boston to London typically range from $490 to $682. The current lowest deal is $616 with Icelandair, for travel from Mar 4-Mar 15.

now $616

Low $490

High $682

The cheapest time to fly from Boston to London

The cheapest month to fly from Boston to London is February, with a median price of $847. The most expensive month is July, with a median price of $1027. Prices are generally lower from January to November.

February

Cheapest

Flights from $847

July

Most Expensive

Flights from $1,027

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Boston to London

KLM

Last-minute flights going from Boston to London

Mon, Nov 2

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LTN)

TAP Portugal

$467

$571

One-way

Mon, Nov 2

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LTN)

TAP Portugal

$483

$578

One-way

Mon, Nov 2

⌛ Last-Minute

BOS - London

Boston (BOS) - London (STN)

Lufthansa

$567

$593

One-way

Tue, Nov 3

⌛ Last-Minute

BOS - London

Boston (BOS) - London (LTN)

Lufthansa

$513

$555

One-way

Tue, Nov 3

⌛ Last-Minute

BOS - London

Boston (BOS) - London (STN)

Swiss International Air Lines

$522

$578

One-way

Sun, Nov 8

⌛ Last-Minute

BOS - London

Boston (BOS) - London (STN)

Icelandair

$563

$515

One-way

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

8 nights

Apr 14 - Apr 22

$669 → $677

4 nights

Mar 4 - Mar 8

$610 → $630

8 nights

Mar 11 - Mar 19

$611 → $631

11 nights

Mar 4 - Mar 15

$586 → $616

Popular Airports to fly from Boston to London

Boston - London route insights

💸 Price insights

Recent fares are near the typical level

Recent fares for Boston to London are near the typical level of $945.

📅 Best time to fly

February is historically cheapest

Historically, February is the cheapest month to fly, with a median price of $847.

⏱️ Flight duration

Direct flights average 6h 50m

Direct flights to London typically take 6 hours and 50 minutes, connecting flights take 17h 6m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 78.2% of recent deals, with a median of 2 stopovers.

🏆 Airline highlight

KLM offers direct flights

KLM has offered 1 direct deal from Boston to London in the last 90 days.

🎯 Booking tip

Deals appear frequently

Deals for flights from Boston to London appear frequently, with many deals in the last 30 days.

Boston main airports to depart from

Logan International (BOS)

Cheapest

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

📍 ~4 km from Boston (reachable by car, bus, or subway).

💸 Flights from ~$440

London main airports to arrive at

London Stansted (STN)

Cheapest

London Stansted is a good option for travelers seeking the cheapest flights to London from Boston.

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

💸 Flights from ~$440

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub with excellent rail connectivity for London-based travelers.

📍 ~160 km from London (reachable by train)

💸 Flights from ~$514

Business & First Class Flight Deals to London

$2,235

Save $803

Icelandair

Business Class

Frequently Asked Questions About Flights to London

Historically, the optimal booking window for flights from Boston to London is typically 28-59 days before departure. During this period, the average price observed was $995. Booking within 0-6 days of departure typically sees prices rise to an average of $1504, while booking 7-13 days out averages $1519. Even booking more than 60 days in advance can result in slightly higher average prices, around $1069.

Across the trailing quarter, a good price for a flight from Boston to London is typically considered to be $807 or less. The median price observed for this route was $945. Prices can range, with 75% of observed fares being $1180 or less. These figures are based on data collected over a 90-day period.

Historically, the cheapest months to fly from Boston to London are typically February, with a median price of $847, and October, with a median price of $858. January also offers competitive pricing, with a median of $884. These months tend to be more affordable than the annual median price of $945 for this route, based on data from the trailing 270 days.

Boston to London: Overview

Insights for flights from Boston to London

How much is a round trip from Boston to London

Regular price: $490 - $682

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

Regular prices for flights from Boston to London typically range from $490 to $682. The current lowest deal is $616 with Icelandair, for travel from Mar 4-Mar 15.

now $616

Low $490

High $682

The cheapest time to fly from Boston to London

February

Cheapest

Flights from $847

July

Most Expensive

Flights from $1,027

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec