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Cheap Flights from Boston to London
Quick answer: Round-trip economy fares from Boston (BOS) to London typically run about $450–$800, with business class from around $2,000. The nonstop flight takes about 6.5 hours — one of the shortest transatlantic hops from the US. Cheapest months are January–March. Call FlyOfinder at +1-878-223-0710.
Boston is one of the best-value US gateways to London, with lots of competition. We hold unpublished fares, including business class. Call +1-878-223-0710, 24/7.
Fares at a glance
Live fares update automatically below. Ranges shown are typical.
| Cabin | Typical round-trip | Cheapest months |
|---|---|---|
| Economy | $450–$800 | Jan–Mar |
| Premium economy | $900–$1,400 | Jan–Feb |
| Business | $2,000–$3,600 | Jan–Feb |
Airlines flying Boston to London
Strong transatlantic competition, with nonstops to Heathrow and Gatwick on British Airways, Virgin Atlantic, Delta, JetBlue and American. Boston's proximity to the UK makes it one of the cheaper, shorter US–London routes.
Flight details
- Depart Boston Logan (BOS); arrive London Heathrow (LHR) or Gatwick (LGW).
- Distance ~3,270 miles; nonstop time ~6h30 eastbound — among the shortest from the US.
- London is 5 hours ahead of Boston.
When to book & cheapest time to fly
Lowest January–March and the late-fall shoulder. Summer and December are peak. Book economy 2–3 months ahead; business-class sales often appear earlier.
Why book with FlyOfinder
- Unpublished fares across the many carriers.
- Open-jaw routing (into London, home from Europe).
- Human help with changes and upgrades.
Talk to a real specialist any time at +1-878-223-0710.
Frequently Asked Questions