Cheap flights from Boston (BOS) to Heathrow (LHR)

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The best prices from Boston to Heathrow are usually found in January or November, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Friday

How to find the cheapest flight from
Boston (BOS) to Heathrow (LHR)

BOS - LHR
Price
$363 - $548
LHR
Temperature
46.4 - 75.2 °F
LHR
Rainfall
1.5 - 2.6 inches

Popular in

December

High demand for flights, 24% potential price rise

Cheapest in

January

Best time to find cheap flights, 13% potential price drop

Round-trip from

$363

From Boston to Heathrow

One-way from

$263

One-way flight from Boston to Heathrow

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Boston to Heathrow?

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

To save up to 44% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Boston to Heathrow from $910 1-2 weeks out and tickets from $1,146 for flights departing within the next 72 hours.

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

October can be a great time to fly to Heathrow from Boston with a flight ticket averaging about $714. Cheapflights users have found deals in the month of October for as cheap as $445. The most expensive prices can be found in the month of July.

When is the cheapest time to fly from Boston to Heathrow (BOS - LHR)?

A simple way to save on the total cost of your ticket is to fly from Boston to Heathrow in the morning. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight at noon.

Cheap flights from Boston to Heathrow in March, April 2021

12 Apr - 18 Apr
$416pp
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
BOS
Boston Logan Intl
2 Apr - 9 Apr
$439pp
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
BOS
Boston Logan Intl
2 Apr - 9 Apr
$440pp
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
BOS
Boston Logan Intl

Boston to Heathrow 2021 flight deals

7 Jun - 11 Jun
$394pp
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
BOS
Boston Logan Intl
2 Jun - 9 Jun
$399pp
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
BOS
Boston Logan Intl
12 Apr - 18 Apr
$416pp
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
BOS
Boston Logan Intl

Non-stop flights to Heathrow from Boston

14 Apr - 21 Apr
$592pp
BOS
Boston Logan Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
BOS
Boston Logan Intl
26 May - 23 Jun
$611pp
BOS
Boston Logan Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
BOS
Boston Logan Intl
15 Apr - 30 Apr
$638pp
BOS
Boston Logan Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
BOS
Boston Logan Intl

Last minute flights from Boston to Heathrow

12 Mar - 20 Mar
$613pp
BOS
Boston Logan Intl
Turkish Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Turkish Airlines
 
1 STOP
BOS
Boston Logan Intl
12 Mar - 18 Mar
$614pp
BOS
Boston Logan Intl
Turkish Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Turkish Airlines
 
1 STOP
BOS
Boston Logan Intl
11 Mar - 31 Mar
$629pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
 
1 STOP
BOS
Boston Logan Intl

One-way flights to Heathrow from Boston

7:35 pm - 4:50 am
Turkish Airlines
1 Stop
29h 15m
BOS - LHR
Turkish Airlines
$263
StudentUniverse
2:20 pm - 6:55 pm
TAP AIR PORTUGAL
1 Stop
23h 35m
BOS - LHR
TAP AIR PORTUGAL
$271
mytrip.com
3:35 pm - 6:55 pm
Multiple Airlines
2 Stops
22h 20m
BOS - LHR
Multiple Airlines
$292
Gotogate

Related info for your journey

Flight FAQs

From Boston to Heathrow

Are flight prices decreasing from Boston to Heathrow due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Boston and Heathrow for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Boston Logan Intl to London Heathrow to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. New policies for travelers booking flights from Boston Logan Intl to London Heathrow include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Boston Logan Intl to London Heathrow have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like British Airways, Virgin Atlantic, and Delta flying from Boston Logan Intl to London Heathrow have implemented new flexible cancellation policies.

Can I find flights from Boston to Heathrow for under $400 on Cheapflights?

Yes, there are multiple flights from Boston to Heathrow for under $400. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $394, but on average you can expect to pay $452.

Are there nonstop flights from Boston to Heathrow for under $600 on Cheapflights?

Cheapflights has at least 20 direct flights from Boston to Heathrow under $600. A good price for a nonstop flight from Boston to Heathrow is less than $654.

Are there last-minute flights available from Boston to Heathrow for under $700?

There are currently 20+ open flights from Boston to Heathrow within the next 7 days for less than $700.

Does it rain more in Boston or Heathrow?

The rainfall in Boston is generally less than the rainfall in Heathrow. This will continue over the next 16 days.

Is Boston weather warmer or cooler than Heathrow?

With an average temperature of 84 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Heathrow are colder than in Boston.

How long is the flight from Boston to Heathrow?

There are many flights that can get you from Boston to Heathrow in 9h 40m. Fly via Icelandair or TAP AIR PORTUGAL to get the fastest option. Both multi-stop and nonstop flights can be found to your destination and back.

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

TAP AIR PORTUGAL, at $394, was found to be the cheapest airline from Boston to Heathrow. An alternate airline flying to your destination would be Icelandair. TAP AIR PORTUGAL is currently priced 5% below the average price you’ll pay for this route.

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

The cheapest airlines for a one-way flight from Boston to Heathrow are TAP AIR PORTUGAL ($203) and Turkish Airlines ($263).

Alternative routes for Boston to Heathrow

Destination information for Heathrow

Today's exchange rate
$1 = £0.72
Average temperature for March in Heathrow
53.6 °F
Avg rainfall for March in Heathrow
1.5 ″

Airports servicing Boston

Airports servicing London

Top 10 airlines flying from Boston to Heathrow

Airline Cheapest Average Flexibility On-time COVID-19 safety
WOW air
$325 $492 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by WOW air. Please check directly on their website for additional information.

Lufthansa
$305 $496 No cancel fee 76%
Norwegian Air UK
$317 $598 No cancel fee N/A
United Airlines
$339 $620 No cancel fee 69%
SWISS
$346 $628 No cancel fee 79%
Norwegian
$336 $647 No cancel fee 74%
TAP AIR PORTUGAL
$304 $650 No cancel fee N/A
Air Canada
$340 $662 No cancel fee 67%
SAS
$407 $744 No cancel fee 77%
Austrian Airlines
$389 $754 No cancel fee 78%

Hourly flight availability from Boston to Heathrow

Evening 6 PM to midnight 100% of BOS to LHR departures
Early morning Midnight to 6 AM 0% of BOS to LHR departures
Morning 6 AM to noon 0% of BOS to LHR departures
Afternoon Noon to 6 PM 0% of BOS to LHR departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Boston to Heathrow
Sunday
5 daily flights
Monday
5 daily flights
Tuesday
5 daily flights
Wednesday
5 daily flights
Thursday
5 daily flights
Friday
5 daily flights
Saturday
5 daily flights