Cheap flights from Boston to London
Fares from $238 in December 2026. Compare every month below, then book with the site you like.
Search Boston → London flightsCheapest Boston to London fares by month
Lowest price per person found in recent searches. Prices change often and are checked when you book.
- November 2026Nov 8 · one way · FI · 1 stop$259See deal
- December 2026Dec 8 · one way · FI · 1 stop$238See deal
- January 2027Jan 6 · one way · Air Canada · 1 stop$277See deal
Boston to London at a glance
- Distance3,257 miles
- Nonstop flight timeabout 7h 30m
- Cheapest monthDecember 2026
- Airport codesBOS → LON
Plan your London trip
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Frequently asked questions
- How much is a flight from Boston to London?
- The cheapest fare we found recently is $238 per person, departing Dec 8 on FI. Prices change daily, so search your dates to see today's fares.
- What is the cheapest month to fly from Boston to London?
- December 2026 is currently the cheapest month, from $238. January 2027 is the most expensive, from $277.
- Are there direct flights from Boston to London?
- The cheapest fares we found recently have at least one stop. Nonstop flights may still exist at a higher price; tick "Direct only" in the search to check.
- Which airlines fly from Boston to London?
- The cheapest recent fares on this route were on FI, Air Canada.
- How long is the flight from Boston to London?
- Boston and London are about 3,257 miles apart, so a nonstop flight takes roughly 7h 30m. Flights with a stop take longer, depending on the connection.
- Do I need a passport to fly from Boston to London?
- Yes. London is in United Kingdom, so you need a valid passport, and some countries also ask for a visa or an online travel authorization. Check the entry rules for your nationality before you book.
- How do I find the cheapest flight from Boston to London?
- Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.
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