$251 Cheap United flights from Boston to London (BOS to LHR)

Find The Best Day To Fly from Boston to London

Amazing United BOS to LHR Flight Deals

The cheapest flights to Heathrow found within the past 7 days were $393 round trip and $251 one way. Prices and availability subject to change. Additional terms may apply.

Sun, Sep 21 - Tue, Sep 23
BOS
Boston
LHR
London
$393 Roundtrip, found 21 hours ago
$393
Roundtrip
found 21 hours ago
Select United flight, departing Sun, Sep 21 from Boston to London, returning Tue, Sep 23, priced at $393 found 21 hours ago

LHR From BOS Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Staines City Centre by Charles Hope

Staines City Centre by Charles Hope

3.5 out of 5
per person
Oct 16 - Oct 23
found 19 hours ago
Roundtrip non-stop flight included
Boston (BOS) to London (LHR)
Three Falcons Hotel

Three Falcons Hotel

4 out of 5
Save 100% on your flight
per person
Aug 17 - Aug 23
found 1 day ago
Roundtrip flight included
Boston (BOS) to London (LHR)
The Savoy

The Savoy

5 out of 5
Save 100% on your flight
per person
Oct 1 - Oct 6
found 1 day ago
Roundtrip non-stop flight included
Boston (BOS) to London (LHR)
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Frequently asked questions

Can I catch a flight from Logan Intl. Airport (BOS) to London Heathrow right now?
It's always prudent to learn about any quarantine requirements and travel advice reports in effect in your destination city. Ensure you check out the Covid-19 Travel Advisor for up-to-date information on booking a flight to Heathrow Airport.
What terminal is United Airlines at Logan Intl. Airport?
If you're flying with United Airlines from BOS, you'll usually board from terminal B. If you're heading to LHR from here, you'll likely be arriving at terminal 2.
Are there United Airlines non-stop flights from BOS to LHR?
Yes, there are. Lock in a direct flight with United Airlines from BOS to LHR, and you won't have to worry about stopovers or trying to run for your connecting flight.
How long is a United Airlines flight from BOS to LHR?
Watch a movie or two, listen to some music or just put your seat back and close your eyes. You'll need to find a way to while away the 7 hours and 45 minutes that it takes to journey from Logan Intl. Airport (BOS) to LHR with United Airlines.
What type of aircraft does United Airlines fly from BOS to LHR?
United Airlines generally operates the Boeing 767-300 on the BOS to LHR flight path.
How many direct and indirect flights does United Airlines fly from BOS to LHR?
United Airlines is currently operating about 3 flights every day from Logan Intl. Airport to Heathrow Airport.
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.
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.

Discover our best United flight from Boston BOS to London LHR 

To find the best deals on flights to Boston from London with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Boston BOS to London LHR with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $393 to $393, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Boston BOS to London LHR 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Boston to London costs from $251. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to London LHR from  Boston BOS with United 

To find a cheap United flight from Boston BOS to London LHR, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Boston BOS to London LHR 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as September, or if you book a flight with a stopover. 

 

Find nonstop flights from Boston BOS to London LHR with United 

If you’re keen to be on London soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Boston BOS to London LHR 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to London LHR from  Boston BOS with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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