Cheap flights from Boston (BOS) to London (LON)

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The best prices from Boston Logan Intl to London are usually found in January or March, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from
Boston (BOS) to London (LON)

All the information you need to plan the best BOS to LON flight in 2021: compare Boston to London flight prices with the expected peak season, weather and rainfall in London.
BOS - LON
Price
$356 - $552
LON
Temperature
39.2 - 62.6 °F
LON
Precipitation
1.6 - 2.8 inches

Popular in

December

High demand for flights, 25% potential price rise

Cheapest in

January

Best time to find cheap flights, 14% potential price drop

Round-trip from

R$ 356

From Boston Logan Intl to London All airports (LON)

One-way from

$227

One-way flight from Boston Logan Intl to London All airports (LON)

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 London?

Flights from Boston to London are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

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

Users have found that booking a flight from Boston to London at least 61 days early can save you up to 83% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Boston to London for as little as $597 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $762 for flights departing within the next 3 days.

When is the cheapest time to fly from Boston to London (BOS - LON)?

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 morning, which can drop the price by up to 18% versus a flight at noon.

Cheap flights from Boston to London in September, October 2021

The best prices found for BOS to LON flights for September, October
12 Oct - 19 Oct
$297pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
10 Oct - 19 Oct
$300pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
21 Oct - 25 Oct
$312pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl

Boston Logan Intl to London 2021 flight deals

Cheap flights to London from Boston found for this year
22 Nov - 30 Nov
$289pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
12 Oct - 19 Oct
$297pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
17 Nov - 25 Nov
$300pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl

Non-stop flights to London from Boston

Save time with Boston to London direct flight deals
10 Nov - 19 Nov
$530pp
BOS
Boston Logan Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
BOS
Boston Logan Intl
20 Oct - 10 Nov
$568pp
BOS
Boston Logan Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
BOS
Boston Logan Intl
2 Mar - 9 Mar
$569pp
BOS
Boston Logan Intl
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
BOS
Boston Logan Intl

Last minute flights from Boston to London

Late deals on round-trip flights to London from Boston, departing today and this week
4 Oct - 21 Oct
$393pp
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
BOS
Boston Logan Intl
3 Oct - 18 Oct
$395pp
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
BOS
Boston Logan Intl
1 Oct - 8 Oct
$407pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl

One-way flights to London from Boston

The cheapest one-way flights from Boston to London
2:20 pm - 11:35 am
TAP AIR PORTUGAL
1 Stop
16h 15m
BOS - LHR
TAP AIR PORTUGAL
$227
mytrip.com
1:20 pm - 7:40 am
TAP AIR PORTUGAL
1 Stop
13h 20m
BOS - LHR
TAP AIR PORTUGAL
$230
mytrip.com
2:20 pm - 6:55 pm
TAP AIR PORTUGAL
1 Stop
23h 35m
BOS - LHR
TAP AIR PORTUGAL
$232
mytrip.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Boston</span> to <span class="emphasized">London</span> flights.

Flight FAQs

From Boston to London

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

Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to London. 25 airlines have flights from Logan Intl to London on a regular basis. Booking flights from Boston Logan Intl to London should not be difficult; the airport handles an average of 19 outbound flights to London per day.

Which airlines flying from Boston Logan Intl to London 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 have implemented new flexible cancellation policies.

Are flight prices decreasing from Boston to London 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 London 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.

Can I find flights from Boston to London for under $300 on Cheapflights?

Yes, there are multiple flights from Boston to London for under $300. The cheapest flight booked recently is on Multiple Airlines for just $291, but on average you can expect to pay $314.

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

Cheapflights has at least 20 direct flights from Boston to London under $600. A good price for a nonstop flight from Boston to London is less than $579.

Are there last-minute flights available from Boston to London for under $400?

There are currently 20+ open flights from Boston to London within the next 7 days for less than $400.

What days are nonstop flights available from Boston to London?

Nonstop flights are available for this route on the following days: Friday.

How many flights depart from Boston to London on average per day?

Travelers can expect 1 flight from Boston to London on average per day.
Evening (6pm - Midnight) - 100% of flight departures

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

When booking a flight from Boston to London, you may want to consider flying on Major Airline, American Airlines or Air Canada as they are the most popular for this route.

What are the most reliable airlines from Boston to London?

The top 3 most reliable airlines when flying from Boston to London are JetBlue (96%), Qatar Airways (87%) and EL AL (87%).

What are the most popular routes from Boston to London?

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

What are the cheapest flights from Boston to London?

On average you can expect to pay $1,573 for a flight from Boston to London. The cheapest flight overall is $143 while the most popular route, (Boston Logan Intl - London Heathrow) is currently priced at $346.

COVID Restrictions

View COVID Travel Restrictions for London, England

Do I need a COVID test to fly to London from Boston?

Information is based on travel restrictions from Boston Logan Intl to London

Most visitors from Boston Logan Intl need to provide a negative COVID-19 test result and/or quarantine to enter London.

COVID-19 testing requirements
Visitors from Boston Logan Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London.

Quarantine requirements
Visitors from Boston Logan Intl are not required to quarantine after entering London.

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


Do I need a test to fly back to Boston from London?

Returning to Boston Logan Intl from London

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Boston Logan Intl.

Quarantine requirements
Visitors from London are not required to quarantine after entering Boston Logan Intl.

Hide COVID Travel Restrictions for London, England

Alternative routes for Boston to London

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for London

Things to know before you go - useful duration and weather info for your trip from Boston to London.
Today's exchange rate
$1 = £0.74
Average temperature for September in London
68.0 °F
Avg rainfall for September in London
1.9 ″

Airports servicing Boston

Airports servicing London

Gatwick (LGW)
Stansted (STN)
London City (LCY)
Luton (LTN)
Southend (SEN)

Top 10 airlines flying from Boston Logan Intl to London

The chart below displays the airlines Cheapflights users traveling from Boston to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
$270 $529 No cancel fee 71%
WOW air
$281 $475 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.

TAP AIR PORTUGAL
$304 $650 No cancel fee N/A
Norwegian Air UK
$304 $564 No cancel fee N/A
Lufthansa
$305 $496 No cancel fee 76%
Norwegian
$308 $590 No cancel fee 74%
Air France
$320 $517 No cancel fee 77%
KLM
$320 $575 No cancel fee 75%
Iberia
$323 $555 No cancel fee 77%
Delta
$335 $977 No cancel fee N/A

Hourly flight availability from Boston to London

See what time of day planes typically take off from Boston towards London.
Evening 6 PM to midnight 100% of BOS to LON departures
Early morning Midnight to 6 AM 0% of BOS to LON departures
Morning 6 AM to noon 0% of BOS to LON departures
Afternoon Noon to 6 PM 0% of BOS to LON departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Boston to London
See how many times per day planes take to the skies headed from Boston to London.
Sunday
18 daily flights
Monday
23 daily flights
Tuesday
18 daily flights
Wednesday
23 daily flights
Thursday
23 daily flights
Friday
18 daily flights
Saturday
15 daily flights
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