$323 Cheap Flights from Boston to London

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Logan Intl. to Heathrow

Amazing BOS to LHR Flight Deals

The cheapest flights to Heathrow found within the past 7 days were $446 round trip and $323 one way. Prices and availability subject to change. Additional terms may apply.

Best Heathrow Flight and Hotel Packages

Heathrow flight + hotel packages - economy flights

The Hari
Taj 51 Buckingham Gate, Suites and Residences
The Guardsman
ME London
The Academy - Small Luxury Hotels of the World
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Frequently asked questions

Can I catch a flight from Logan Intl. Airport to London Heathrow right now?
Be sure to visit our Covid-19 Travel Advisor to learn if there are any present quarantine requirements and travel advice reports in effect in LHR when flying from Logan Intl. Airport (BOS).
Are there direct flights from Logan Intl. Airport to Heathrow Airport (LHR)?
Your next great adventure is on the opposite side of a single flight. You can jet direct from Logan Intl. Airport (BOS) to Heathrow Airport with multiple airlines, including British Airways and Virgin Atlantic.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Heathrow Airport, please visit our Customer Service Portal.
How long is the flight from Logan Intl. Airport (BOS) to London Heathrow?
The travel time between Logan Intl. Airport and Heathrow Airport (LHR) is usually about 6 hours and 34 minutes. Make your trip more enjoyable by downloading a few shows on your tablet or laptop and enjoying them with your seat fully reclined.
What is the flight distance from BOS to Heathrow Airport (LHR)?
The distance from Logan Intl. Airport to Heathrow Airport is 3,300 mi. Aside from cramming your devices with more must-see TV shows, it’ll be smart to pack some noise-canceling earbuds and a pullover as well.
What airlines fly from Logan Intl. Airport to London Heathrow?
If you’re traveling to London from Boston, there are several airlines with direct flights. One of the most reputable carriers is British Airways (BA), which offers 73 flights every month. If you want more choice, check out the fares on offer from Virgin Atlantic (VS). This carrier operates 30 flights on the Boston to London route each month. Between the two, you’re bound to find the flight that’s perfect for you.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with British Airways, Virgin Atlantic or SAS you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From Logan Intl.
Traveling To Heathrow
Shortest Flight Time 6 hours 24 mins
Earliest Departure Time 7:30AM EST
Latest Departure Time 10:00PM EST
Lowest Flight Price $446

Route Info

Flight path for flights from Logan International Airport to London Heathrow Airport

3,274.00 miles

Airlines & Aircraft Used on BOS to LHR Flight Routes

Airline Carrier
Air Canada
Boeing 737-700 pax
Air France
McDonnell Douglas MD80
Air France
McDonnell Douglas MD83
American Airlines
Airbus A319
American Airlines
Airbus A320-100/200
American Airlines
Boeing 757-200 pax
American Airlines
Canadair Regional Jet 700
British Airways
Airbus A320-100/200
British Airways
Boeing 737-700 pax
British Airways
Boeing 737-800 pax
Delta Air Lines
Airbus A320-100/200
Delta Air Lines
Airbus A321-100/200
Jet Airways (India)
Aerospatiale/Alenia ATR 42/ ATR 72
United Airlines
Boeing 737-300 pax
United Airlines
Boeing 737-500 pax
United Airlines
Boeing 737-700 pax
United Airlines
De Havilland Canada DHC-8 Dash 8 all models
Virgin Atlantic
Boeing 777-300ER

Discover our best flights from Boston BOS to London LHR. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from Boston BOS to London LHR at the right price  

Airfares to London LHR from Boston BOS currently cost between $446 and $559. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from Boston BOS to London LHR 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Boston BOS to London LHR on Travelocity starting at $323. Prices and availability subject to change. Additional terms may apply. 


Get to London LHR from Boston BOS quicker with direct flights. 

Get to London faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to LHR from BOS to take around 6 hour(s) 24 min(s).  


Find our cheapest airfares for flights from Boston BOS to London LHR

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to LHR from BOS. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from Boston BOS to London LHR today 

If you’re flexible about when you travel, March is usually the cheapest month to fly from Boston BOS to London LHR. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to London LHR from Boston BOS 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to LHR from BOS have this option.  


Travel with confidence when you book flights to London LHR from Boston BOS with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.