Nonstop flight about 6 h 34
London from Boston
From Boston, a nonstop flight gets you in London in about 6 h 34. You land at London Heathrow Airport (LHR), 15 miles from the destination, after 3,256 miles of flight. You can also fly nonstop to LGW (about 6 h 36).
In London, the best time for a trip is June to September, with daytime highs up to 73 °F.
7 days in London in August, Beach and hiking, from Boston on your own
Plan a trip- Flight time from Boston
- about 6 h 34
- Flight distance BOS to LHR
- 3,256 miles
- Nonstop from BOS to 2 airports
- Nonstop flight
- Best time to go
- June to September
Flight times estimated from the distance, nonstop routes according to OpenTravelData.
Start With the Boston to London Route
Your flight choice should balance departure convenience, arrival time, and the kind of London vacation you want. A morning departure can give you a full first day after arrival, while an evening departure may suit travelers who prefer to begin the next morning in the city.
London is well connected through its airport system, and the right arrival plan can make the first part of your stay easier. Think about where you are staying, how you will reach your hotel or rental, and which neighborhoods you want to visit early. A central base often works well for a first visit because it gives you easy access to public transportation and major sights.
The most useful booking approach is to decide your trip shape before you settle on a flight. Are you making a city break, combining London with another destination, or planning a longer vacation? Those choices affect the pace, the length of stay, and the value of changing airports or adding a connection. The page can show current partner prices as you refine the plan.
Choose London by Season and Energy
Spring and early summer offer a comfortable balance for sightseeing, with April bringing average daytime temperatures around 57 °F and May reaching about 63 °F. These months suit travelers who want to walk through parks, explore neighborhoods, and mix indoor attractions with time outside. April is also the driest month in the climate data, making it a comfortable choice for sightseeing.


Summer brings the warmest weather, with July and August averaging around 73 °F during the day. It is a good season for travelers who want long evenings, outdoor meals, and the lively atmosphere around London’s riverside and public spaces. Plan your days with a balanced pace so that museum visits and shaded breaks remain part of each day.
Autumn has a softer city rhythm, with September averaging around 68 °F and October around 60 °F. Winter is cooler, with January daytime temperatures near 44 °F and December near 46 °F. You can still enjoy museums, markets, theaters, and indoor attractions, and a lower daytime temperature may suit visitors who prefer walking through the city with a light jacket.



Where to Base Yourself in London
For a first visit, central London gives you a practical base for Westminster, the West End, museums, and the River Thames. Staying near a major Underground station can make it easier to vary your pace and return to your room between activities. Choose a central area when convenience and access to evening plans matter most.

South Bank and the riverside are strong choices for travelers who want easy access to culture, restaurants, and river walks. The South Bank places many attractions within a connected walking route, while the river itself becomes a useful orientation point. It is also a good base for pairing a London stay with a broader European itinerary.
If you prefer a local feel, consider areas such as Notting Hill, Kensington, or a neighborhood near your interests. These districts can suit travelers who enjoy markets, independent restaurants, and longer walks. The best base depends on your group, budget preferences, and the locations you plan to visit, so compare the plan by neighborhood rather than choosing by hotel name alone.

London from Boston
London lies {{dist.home:BOS}} from Boston in a straight line. From Atlanta it is {{dist.home:ATL}}. From Los Angeles it is {{dist.home:LAX}}. From Boston, the months that pay off most are June, July, August and September.

From Chicago it is {{dist.home:ORD}}. From Dallas it is {{dist.home:DFW}}. The plan adds the ride to the airport, the flight with live fares from our partners, and the transfer to your first stay.


Airports at the destination
From Boston you fly nonstop to 2 airports nearby. Closest to the destination is London Heathrow Airport, at 15 miles.
LHRLondon Heathrow Airport15 miles to the destination, about 6 h 34 from BOS, 3,256 miles of flightNonstop
LCYLondon City Airport8 miles to the destination, about 6 h 37 from BOS, 3,276 miles of flight
LGWLondon Gatwick Airport25 miles to the destination, about 6 h 36 from BOS, 3,274 miles of flightNonstop
Best time to travel in London
In London, the best time for a trip is June to September, with daytime highs up to 73 °F.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day °F | 44 | 47 | 51 | 57 | 63 | 69 | 73 | 73 | 68 | 60 | 51 | 46 |
| Night °F | 34 | 35 | 37 | 40 | 45 | 51 | 55 | 55 | 51 | 46 | 40 | 37 |
| Sun h/day | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 6 | 5 | 3 | 2 | 2 |
| Rain days | 14 | 12 | 11 | 9 | 11 | 11 | 12 | 11 | 10 | 13 | 14 | 14 |
London through the year
Daytime highs range from 44 °F in January to 73 °F in July. April is the driest with 9 rain days and January the wettest with 14. May brings the most sun, around 7 hours daily.

Comfortable sightseeing weather, with highs between the low twenties and about thirty degrees, comes in June, July, August and September.
- January: 44 °F, 14 rain days, 2 h of sun
- February: 47 °F, 12 rain days, 3 h of sun
- March: 51 °F, 11 rain days, 5 h of sun
- April: 57 °F, 9 rain days, 6 h of sun
- May: 63 °F, 11 rain days, 7 h of sun
- June: 69 °F, 11 rain days, 7 h of sun
- July: 73 °F, 12 rain days, 7 h of sun
- August: 73 °F, 11 rain days, 6 h of sun
- September: 68 °F, 10 rain days, 5 h of sun
- October: 60 °F, 13 rain days, 3 h of sun
- November: 51 °F, 14 rain days, 2 h of sun
- December: 46 °F, 14 rain days, 2 h of sun

Demand for London through the year
Monthly search volumes put the peak for London in May and the low point in November.



A day in London in June
Begin with a long walk while the light is soft. Around midday it reaches 69 °F, ideal for the outdoor highlight of the day. By night it is 51 °F: a cosy restaurant suits the evening.


What to pack for London
For July, plan for changeable mild weather: 73 °F in the day, 55 °F after dark, 12 days of rain. The packing list in your plan adjusts itself to the month and the days you pick.
- Comfortable walking shoes
- A warm layer for the evenings
- A packable rain jacket or umbrella
- A travel adapter for your chargers
Weather in London month by month
- January
44 °F
- February
47 °F
- March
51 °F
- April
57 °F
- May
63 °F
- June
69 °F
- July
73 °F
- August
73 °F
- September
68 °F
- October
60 °F
- November
51 °F
- December
46 °F
Nonstop flights in London from other airports
Besides Boston, nonstop flights in London leave from 11 other airports; the closest to Boston is New York JFK, with a flight time of about 6 h 55.
- BOSLondon from Bostonabout 6 h 34 to LHR, nonstop
- JFKLondon from New York JFKabout 6 h 55 to LHR, nonstop
- EWRLondon from Newarkabout 6 h 56 to LHR, nonstop
- ORDLondon from Chicago O'Hareabout 7 h 49 to LHR, nonstop
- ATLLondon from Atlantaabout 8 h 18 to LHR, nonstop
- MCOLondon from Orlandoabout 8 h 33 to LGW, nonstop
- MIALondon from Miamiabout 8 h 41 to LHR, nonstop
- DFWLondon from Dallas/Fort Worthabout 9 h 17 to LHR, nonstop
- DENLondon from Denverabout 9 h 08 to LHR, nonstop
- SEALondon from Seattleabout 9 h 22 to LHR, nonstop
- LAXLondon from Los Angelesabout 10 h 34 to LHR, nonstop
- SFOLondon from San Franciscoabout 10 h 24 to LHR, nonstop
Flight times estimated from the distance, nonstop routes according to OpenTravelData.
Live prices for London
Every price for London on this page comes live from a partner, in your currency. Open a card to see today's rate for your dates.
Build a London Itinerary by Neighborhood
A relaxed first day can begin with Westminster and the South Bank, followed by a walk along the Thames toward Tower Bridge. This route gives you a clear sense of the city and places major landmarks close together. Add a museum or a reserved dining experience afterward, depending on the pace that suits you.
On a second day, explore the West End and central London with a mix of galleries, shops, parks, and a performance. London rewards travelers who leave room in the schedule for a spontaneous stop. The balanced pace is useful here, while a packed pace can suit travelers who want to see as much as possible during a short vacation.
For a third day, choose a focused theme. You can spend time in Kensington museums, walk through Green Park, visit Camden, or head to Richmond for a quieter green-space experience. Richmond Park is especially appealing for travelers who want trees, open air, and a change of scenery while staying connected to the capital.
Use the Planner to Shape Your Vacation
Describe your Boston to London trip in one sentence or by voice. HolidayWow reads the destination, month, group, pace, and budget from your words, then creates a map-based plan with every stop pinned and each day arranged as a route. This makes it easier to see the shape of the vacation before you book individual experiences.
The plan is editable. You can drag a stop to another day, swap a place, or make a full day lighter. The plan checker reorders the route after each change, which is helpful when you are balancing museums, meals, walking, and travel between neighborhoods. Three travel paces are available: relaxed, balanced, and packed.
You can also use the planner’s document vault for passports, tickets, and confirmations, share the itinerary with your travel group, and split costs when you are traveling together. The PTO planner adds public holidays and leave days from official holiday data, helping you compare a longer London vacation with a shorter city break.
London from Boston: frequently asked questions
How do I choose a flight from Boston to London?
Compare departure and arrival times, connection options, baggage preferences, and the current live price shown on the page. Think about the first day in London, since a morning arrival may give you more sightseeing time while an evening arrival can make a hotel check-in and early night easier.
What is the best time of year to fly from Boston to London?
April through June offers comfortable daytime conditions and good reasons to explore London on foot. July and August are warmer and suit travelers who enjoy outdoor evenings. September often feels balanced, while winter brings a strong mix of museums, theaters, markets, and indoor city experiences.
Where should I stay for a London vacation?
A central base near public transportation works well for a first visit, especially if you want Westminster, the West End, museums, and the South Bank. South Bank suits river walks and culture, while neighborhoods such as Kensington and Notting Hill suit travelers who prefer a more local setting.
Can I plan a Boston to London trip on a map?
Yes. HolidayWow places each stop on the map and connects the days into routes. You can edit the plan afterward, change the pace, move an activity, or swap a destination. Dates are optional, so you can start with a month and add specific dates later.
Can I compare live prices for my London trip?
The plan brings stays, tours, transport, and flight options from partners into the same view, with live prices or a live price check where applicable. Booking links open in your language and currency, so you can review the current option before making a decision.
Plan your trip in London from Boston
Describe your trip in one sentence. When, who with and what matters to you.



