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Cheap flights from London to Boston

One-way from £300, found by travellers in the last 7 days. Aviasales checks the live price.

Departure
Return
Prices for nearby dates
Tue, Nov 10Any priceWed, Nov 11£357Thu, Nov 12Any priceFri, Nov 13£300Sat, Nov 14Any priceSun, Nov 15Any priceMon, Nov 16Any priceTue, Nov 17Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest
£300
Wizz Air UK, flight W9 5367Found 5 days ago, 1 adult
Check price on Aviasales
06:00LondonFri, Nov 13
Travel time 11h 40m, 2 stopsLTNBOS
12:40BostonFri, Nov 13
£307
Icelandair, flight FI 451Found 5 days ago, 1 adult
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12:15LondonTue, Feb 23
Travel time 9h 5m, 1 stopLHRBOS
16:20BostonTue, Feb 23
£307
Icelandair, flight FI 451Found 5 days ago, 1 adult
Check price on Aviasales
12:15LondonWed, Feb 24
Travel time 9h 5m, 1 stopLHRBOS
16:20BostonWed, Feb 24
£308
Icelandair, flight FI 455Found 5 days ago, 1 adult
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20:35LondonSun, Feb 21
Travel time 9h 5m, 1 stopLHRBOS
00:40BostonMon, Feb 22
£308
Icelandair, flight FI 455Found 5 days ago, 1 adult
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20:35LondonMon, Feb 22
Travel time 9h 5m, 1 stopLHRBOS
00:40BostonTue, Feb 23

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in United StatesTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Boston, booked ahead at a fixed price.
    See options
  • Things to do in BostonPopular tours from $36 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for United States from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Arrived 3+ hours late, cancelled at short notice or bumped? Up to £520 per person under UK261.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234£3335–6–7£3798–9–10–11£32512£42613£32614£36415£32516–17–18£34319–20£33521–22–23–24–25–26–27–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2–3–4–5–6£3387–8–9–10–11£35712–13£30014–15–16–17–18–19–20–21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–345678910111213141516171819202122232425262728293031
£308 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 13, £300.

Lowest fares by month

In the fares found this week, November has the lowest: from £300 one-way, against £353 in December. Pick a month to see its cheapest date.

£0£200£400Oct£300NovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October£325Sun, Oct 111 stop
November£300Fri, Nov 132 stops
December£353Sun, Dec 201 stop
January 2027£344Mon, Jan 41 stop
February 2027£307Tue, Feb 231 stop
March 2027—
April 2027£345Fri, Apr 161 stop
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Questions travellers ask

What is the cheapest month to fly from London to Boston?

In the fares found this week, November has the lowest: from £300 one-way, against £353 in December.

Are there direct flights from London to Boston?

Yes. Recent fares include nonstop flights with jetBlue.

How long is the flight from London to Boston?

A nonstop flight takes about 7h 39m. The distance is 5,231 km.

Which day of the week is cheapest to fly?

In the fares we have, Tuesday departures are the cheapest, with a typical lowest fare of £326. Wednesday is the priciest at about £361.

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