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Cheap Flights from London (LOND) to Boston (BOSA)

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      Travellers and cabin class, 1 Adult, Economy
      Finnair
      American Airlines
      Iberia
      British Airways
      KLM
      Aer Lingus

      Compare London to Boston flight deals

      Find the cheapest month or even day of the year to fly to Boston

      Book the best Boston fare with no extra fees

      Flight deals from London to Boston

      Looking for a cheap last-minute deal or the best return flight from London to Boston? If you want to travel next month, return fares start from £353. Find the lowest prices on one-way and return tickets right here.
      Boston.£275 per passenger.Departing Tue, 15 Dec.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Tue, 15 Dec, arriving in Boston Logan International.Price includes taxes and charges.From £275, select.
      Boston.£277 per passenger.Departing Mon, 22 Mar.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Mon, 22 Mar, arriving in Boston Logan International.Price includes taxes and charges.From £277, select.
      Boston.£282 per passenger.Departing Mon, 5 Apr.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Mon, 5 Apr, arriving in Boston Logan International.Price includes taxes and charges.From £282, select.
      Boston.£282 per passenger.Departing Sat, 7 Nov.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Sat, 7 Nov, arriving in Boston Logan International.Price includes taxes and charges.From £282, select.
      Boston.£283 per passenger.Departing Tue, 8 Jun.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Tue, 8 Jun, arriving in Boston Logan International.Price includes taxes and charges.From £283, select.
      Boston.£283 per passenger.Departing Tue, 24 Aug.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Tue, 24 Aug, arriving in Boston Logan International.Price includes taxes and charges.From £283, select.
      Boston.£284 per passenger.Departing Sun, 16 May.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Sun, 16 May, arriving in Boston Logan International.Price includes taxes and charges.From £284, select.
      Boston.£285 per passenger.Departing Mon, 1 Feb.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Mon, 1 Feb, arriving in Boston Logan International.Price includes taxes and charges.From £285, select.
      Boston.£287 per passenger.Departing Tue, 26 Jan.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Tue, 26 Jan, arriving in Boston Logan International.Price includes taxes and charges.From £287, select.
      Boston.£293 per passenger.Departing Wed, 1 Sep.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Wed, 1 Sep, arriving in Boston Logan International.Price includes taxes and charges.From £293, select.
      Boston.£298 per passenger.Departing Mon, 12 Oct.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Mon, 12 Oct, arriving in Boston Logan International.Price includes taxes and charges.From £298, select.
      Boston.£305 per passenger.Departing Wed, 30 Sep.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 30 Sep, arriving in Boston Logan International.Price includes taxes and charges.From £305, select.
      Boston.£326 per passenger.Departing Thu, 29 Jul.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from London Heathrow on Thu, 29 Jul, arriving in Boston Logan International.Price includes taxes and charges.From £326, select.
      Boston.£331 per passenger.Departing Mon, 1 Feb.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from London Heathrow on Mon, 1 Feb, arriving in Boston Logan International.Price includes taxes and charges.From £331, select.
      Boston.£331 per passenger.Departing Tue, 8 Dec.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from London Heathrow on Tue, 8 Dec, arriving in Boston Logan International.Price includes taxes and charges.From £331, select.
      Boston.£331 per passenger.Departing Sat, 3 Oct.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from London Heathrow on Sat, 3 Oct, arriving in Boston Logan International.Price includes taxes and charges.From £331, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from London to Boston found in the last 12 days, and are subject to change and availability.

      Find the cheapest month to fly from London to Boston

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Boston flights are currently cheapest in December.
      Sep
      from £305
      Oct
      from £298
      Nov
      from £282
      Dec
      from £275
      Jan
      from £287
      Feb
      from £285
      Mar
      from £277
      Apr
      from £282
      May
      from £284
      Jun
      from £283
      Jul
      from £326
      Aug
      from £283

      Direct flights from London to Boston

      Aer Lingus
      Air France
      American Airlines
      British Airways
      Delta
      Finnair
      Gulf Air
      Iberia
      jetBlue
      KLM
      Malaysia Airlines
      Saudia
      Scandinavian Airlines
      TAP Air Portugal
      Virgin Atlantic

      Alternative London to Boston routes

      Looking for the cheapest, fastest or easiest route from London to Boston? You could fly into the following airports instead.

      Boston Logan International

      3 miles from central Boston
      ClosestCheapest
      from £275
      Search flights

      Worcester

      42 miles from central Boston
      from £492
      Search flights

      Manchester

      44 miles from central Boston
      from £394
      Search flights

      Fall River

      47 miles from central Boston
      from £647
      Search flights

      Provincetown

      47 miles from central Boston
      Search flights

      Providence

      47 miles from central Boston
      from £371
      Search flights

      Portsmouth

      51 miles from central Boston
      from £355
      Search flights

      London to Boston: Flight information

      The things to know before you go.
      Cheapest flight found£275
      Cheapest month to flyDecember
      Average flight time7 hrs, 46 mins
      Most popular airlineFinnair
      Average flights per week310

      Finding cheap flights from London to Boston: Frequently asked questions

      There are 7 airports in Boston: Boston Logan International, Worcester, Manchester, Fall River, Provincetown, Providence, and Portsmouth.
      The best price we found for a return flight from London to Boston is £318. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      7 hours and 46 minutes is the average flight time from London to Boston.
      Finnair, American Airlines and British Airways fly direct from London to Boston.
      As of September 2026, there are 310 flights per week flying from London to Boston.
      The cheapest month to fly from London to Boston is usually November.
      If you're flying from London, the cheapest airport near Boston is Boston Logan International – which is 2.8 miles away from the centre of Boston. We've found flights into this airport from £318.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Boston on Monday, 23 November 2026.
      Yes – the average flight time is 7 hours and 46 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boston is around 40 days in advance, so don’t leave your flight to the last minute.

      In September, the average temperature is usually around 19°C. July is typically the warmest month in Boston, when it usually averages around 27°C. You can expect the least rain in November. The coldest month is January, with temperatures averaging -3°C. The rainiest month is January.
      The cheapest airline that flies to Boston is Scandinavian Airlines. And the cheapest airline that flies to Worcester Airport is Virgin Atlantic.

      How to find cheap flights to Boston from London

      Looking for cheap tickets from London to Boston? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

      • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from London to Boston. And with us there are no hidden fees - what you see is what you pay.
      • Compare flight deals to Boston from London from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
      • Flex your dates to find the best London-Boston ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Boston from London.
      • Set up a Price Alert. You can easily track the fare of your cheap London-Boston flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
      • Fly without stops. Only interested in direct flights between London and Boston? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
      • Find the cheapest Business class flights from London and Boston. We scour the internet for the best Business, Premium Economy and First Class flight fares to Boston, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
      • Include nearby airports in your search. Widen your search for London to Boston flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

        • Combine your flight to Boston from London with hotels and car hire

        Once you've secured your cheap flight ticket from London to Boston, discover the best prices and exclusive rates for hotels in Boston or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.