Cheap Flights from London to Boston — $309

The route London — Boston is served by many carriers — 12 in total, including British Airways, American Airlines, Virgin Atlantic, JetBlue Airways, KLM, Wizz Air, Icelandair, Vueling, Iberia, Ryanair, Austrian Airlines, and Skyview Airways Company Limiteddba Skyview. This gives passengers wide opportunities: from finding the lowest fare (from $309) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.

Heathrow (LHR) — London’s primary international hub, Heathrow typically handles long-haul and premium carriers alongside some European services, so fares can be higher on average than from secondary airports. Located about 20–25 km west of central London, the airport is usually reached by the Heathrow Express (15–20 minutes to Paddington), the Elizabeth Line (25–35 minutes), the Underground (Piccadilly line, around 45–60 minutes), or taxis and ride-shares (30–60 minutes depending on traffic); rail fares range from mid-range for express services to cheaper tube fares. Pros: strong global connectivity and premium lounges; cons: can be busy, with longer security and transfer times. Gatwick (LGW) — Positioned south of London, Gatwick is typically a major international and leisure gateway with a mix of full-service and low-cost carriers, often offering competitive fares for European and holiday routes. It lies roughly 45–55 km from central London and is commonly served by the Gatwick Express (about 30 minutes to Victoria), Thameslink and Southern trains (30–50 minutes), coaches, and road links; journey times vary with service and traffic, and ticket prices range from budget-friendly to mid-range. Pros: frequent direct trains and charter services; cons: fewer long-haul options than Heathrow and variable onward costs. Stansted (STN) — Stansted usually functions as a low-cost and short-haul hub, popular with budget airlines serving European destinations and some seasonal routes. The airport sits approximately 40–60 km northeast of central London and is primarily connected by the Stansted Express to Liverpool Street (around 45–50 minutes), plus National Express coaches and road services; fares tend to be lower on coach services and higher on the express train. Pros: strong low-cost network and often lower airfares; cons: farther from the centre and can have more limited amenities compared with larger hubs. Luton (LTN) — Luton is commonly a budget-focused airport serving mainly low-cost carriers on short- and medium-haul routes, which can translate into generally lower headline fares but additional ancillary fees. It’s located about 35–45 km northwest of central London and is reached by shuttle bus links to Luton Airport Parkway station, trains into central London (40–60 minutes total journey), coach services, and road transport; fares for shuttle and coach are generally economical. Pros: cost-effective options and strong low-cost route coverage; cons: transfer involves a short shuttle and facilities are more basic than major hubs. London City (LCY) — London City Airport is typically positioned as a convenient, business-focused airport in East London that mainly hosts short-haul and regional flights operated by full-service and regional carriers. It is very close to central London (about 10 km), often reachable by the Docklands Light Railway (DLR) in 20–30 minutes or by taxi in 20–40 minutes depending on traffic; fares for the DLR and local buses are modest. Pros: fast access to the business district and compact terminals; cons: limited long-haul services and stricter aircraft size limits. Southend (SEN) — Southend is usually a smaller, regional airport serving select low-cost and leisure routes; it can be an economical choice for certain destinations but offers fewer frequencies. Located roughly 60–70 km east of central London, Southend is connected by train services to London Liverpool Street (typically 55–70 minutes), plus coach and car options; tickets can be budget-friendly depending on service. Pros: less crowded and straightforward check-in; cons: longer travel time to central London and limited onward transport and flight choices.

The distance between London and Boston is 5264km (3264 miles). There are 70 direct flights from London to Boston. The time difference between London and Boston is 5h. Flights from London begin at 8:40 AM. The latest flight from London departs at 8:10 PM

Boston Logan International (BOS) is the city’s primary international gateway and a major Northeast hub, handling legacy carriers like Delta and American alongside significant Delta and JetBlue operations and a mix of international airlines. It’s located about 4–5 miles (6–8 km) northeast of downtown Boston, with travel times typically 15–30 minutes by taxi or rideshare depending on traffic; the MBTA Blue Line + free shuttle or the Logan Express buses take roughly 20–45 minutes with fares generally ranging from inexpensive transit fares to moderate shuttle fees. Pros: frequent service, many airline options, and good public-transit links. Cons: can be busy during peak hours and security lines can be long; parking and ground transportation may be relatively costly.

In different months, ticket prices from London to Boston vary: minimum — $309 (October 2026), maximum — $465 (July 2027). Typically, the flight costs $403–$855.