£220 Find Cheap Flights from Boston to London – Compare and Save

These are the earliest and latest flight times available from Boston to London:

• Earliest: departs at 07:30 and lands at 14:13
• Latest: departs at 23:11 and lands at 05:54.

The flight takes about 6h 43m.

Three cabin classes are available on flights from Boston to London:

• Economy class
• Premium Economy Class
• Business Class

A direct flight from Boston to London takes 6h 43m, covering 3,267 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from Boston to London range from £426 to £696, with an average of £565 over the past 12 months. Anything below £426 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 5% above the £565 route average. Book 26 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £363 return via Washington, D.C. Dulles Intl (IAD), compared with £571 for direct.

American Airlines is slightly above the route average for timely arrivals, while Virgin Atlantic has a lower on-time arrival rate. On-time arrival rates on Boston to London flights are:

• American Airlines: 93% on time
• Virgin Atlantic: 91% on time
• British Airways: 88% on time

On average, flights on this route are punctual 88% of the time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £28–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

Evening is the busiest departure period on Boston to London flights, with 57% leaving in that window. Night departures account for 28%, Morning flights for 15%, and Afternoon flights for 0%.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £493 to £4,728. That means the highest observed fare was about 10x higher than the lowest one.

Four airlines offer in-flight Wi-Fi on Boston to London flights:

• Delta
• American Airlines
• Virgin Atlantic
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty programme, while others are paid add-ons priced by flight length.

One-way fares from Boston to London are currently lower than usual. Average one-way flight prices are about £220, which is 24% below the typical average for this route.

Since London is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
Near London Heathrow Airport (LHR) – daily rates from around £5:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz

Near London Gatwick Airport (LGW) – daily rates from around £6:

• GREEN MOTION
• DRIVALIA
• U-Save
• Europcar
• Alamo

Near London City Airport (LCY) – daily rates from around £8:

• GREEN MOTION
• Budget
• Hertz
• Avis
• Sixt

Near London Stansted Airport (STN) – daily rates from around £7:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• U-Save

Near London Luton Airport (LTN) – daily rates from around £8:

• GREEN MOTION
• DRIVALIA
• Alamo
• Europcar
• U-Save

Flights from Boston to London usually depart from Boston Logan Intl (BOS) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

Morning flights have the fewest delays on this route, while night departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Boston to London route, 12% of flights were delayed in the past three months, with delays averaging 2h 31m.

One-stop flights from Boston to London most commonly connect through:

• Reykjavik Keflavik Intl (KEF) – 49% of one-stop connections
• Shannon (SNN) – 10% of one-stop connections
• Dublin (DUB) – 6% of one-stop connections
• Zurich (ZRH) – 6% of one-stop connections

Yes. Flexible dates can save you up to 5% on flights from Boston to London. Monday is the cheapest departure day at £557 return on average, while Tuesday is the most expensive at £584, a difference of £26.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

5 airlines operate flights between Boston and London. The airlines offering direct flights on this route include:

• British Airways
• JetBlue
• Virgin Atlantic
• American Airlines
• Delta

Flying via Dublin (DUB) gives the shortest average 1-stop total travel time of 9h 55m, compared to 10h 23m via Shannon (SNN) and 10h 47m via Newark (EWR).

London is 4 hours ahead of Boston (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in London are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London on KAYAK.

Among airlines operating Boston to London flights:

• British Airways: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection
• Iberia: offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection
• Virgin Atlantic: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• British Airways: a cabin bag and a checked bag in Economy class
• Delta: a cabin bag and a checked bag in Economy class
• Iberia: a cabin bag and a checked bag in Economy class

Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Yes, it does. Sofitel is an accommodation located at Terminal 5, while Hilton London Heathrow Airport is located at Terminal 4. You can find Premier Inn London Heathrow Airport Hotels at Terminals 4 and 5, while Hilton Garden Inn London Heathrow Airport offers accommodations at Terminals 2 and 3.

The best and fastest way from London Gatwick Airport to Central London is the Gatwick Express train service. You can take it from the airport station near the South Terminal for about £18 per person one-way or £36 for a return fare. Arriving flights at North Terminal can ride the free shuttle, which takes about 2min to reach South Terminal.

Both International Currency Exchange (ICE) and Moneycorp operate foreign exchange offices at London Stansted Airport. The ICE office is located in the Main Terminal Building, while Moneycorp is located near the Baggage Reclaim Hall, International Arrivals.

Yes, there are, but most of them tend to be located in the Departure Lounges of the terminal buildings. You can use St. George’s Chapel, which is open to all faiths and is located a short distance from Heathrow Airport’s Central Bus Station.

The high-speed Heathrow Express service runs every 15 minutes and takes 15 minutes to arrive at Paddington station in central London. This service runs from terminals 2, 3, 4, and 5 at Heathrow Airport. If you arrive at Gatwick Airport, the Gatwick Express trains to Central London depart every 15 minutes and take half an hour to arrive at London Victoria Station. The fastest way between Stansted Airport and Central London is via the Stansted Express, which takes 36 minutes to Tottenham Hale, where you can connect to the London Underground. Free Wi-Fi and charging outlets are available onboard.

Passengers can access free Wi-Fi at Boston Logan International Airport and charging stations are also available throughout the terminals. London, Heathrow International, Gatwick, Luton, and Stanstead airports all offer free Wi-Fi so travelers can stay connected.

There are a number of easy ways to get to Boston Airport. The Logan Express is a non-stop bus service between Back Bay and the airport. Water shuttles and taxis arrive at Boston Dock, where passengers can catch a direct shuttle bus to the departure terminals. The MBTA also offers bus and subway services to the airport from downtown, connecting from South Station or North Station.

To keep little travelers occupied, Boston Logan Airport has Kidport children’s play areas in Terminals A, B, and C. Changing rooms are also available and many restaurants have child-friendly meals and snacks.

PLAY and easyJet offer cheaper flights with self-transfer stopovers at Keflavik Airport (KEF). They're a good choice for budget travellers but carry a risk. The stopovers tend to be shorter, and you'll need to collect your luggage and recheck it before boarding the connecting flight. If there are delays and you miss your connecting flight, you're responsible for any costs involved in booking another.

Luggage policies differ by airline. A frequently used airline for this route, British Airways, permits passengers to carry one personal item, one carry-on bag and two checked bags of 23 kg. If you're a business-class traveller or first-class passenger, you should be allowed more check-in bags and a total weight of at least 32 kg.

As per airline regulations, passengers can bring their food on the flight. You'll be limited to 100 ml packaging and certain foods may be restricted, depending on the airline. Airlines generally won't allow you to heat food on a flight.

The border control process on these flights involves presenting a valid passport or national ID card, answering questions from immigration officers and having your documents checked. UK nationals may also be subject to additional screening or questioning.