The Houses of Parliament and Big Ben in London, with a red double-decker bus crossing the Lambeth Bridge.

฿10,535 Cheap Finnair flights from Boston to London (BOS→LON)

฿10,535 Cheap Finnair flights Boston (BOS) to London (LON)

Prices were available within the past 7 days and start at ฿10,535 for one-way flights and ฿28,045 for return, for the period specified. Prices and availability are subject to change.
Finnair
Mon, 9 Nov - Fri, 13 Nov
BOS
Boston
LHR
London
฿28,045
Return
Found 2 hours ago
Select Finnair flight, departing Mon, 9 Nov from Boston to London, returning Fri, 13 Nov, priced at ฿28,045 Found 2 hours ago
Finnair
Mon, 9 Nov - Fri, 13 Nov
BOS
Boston
LHR
London
฿28,235
Return
Found 2 hours ago
Select Finnair flight, departing Mon, 9 Nov from Boston to London, returning Fri, 13 Nov, priced at ฿28,235 Found 2 hours ago
Finnair
Thu, 29 Apr - Mon, 10 May
BOS
Boston
LHR
London
฿28,275
Return
Found 2 days ago
Select Finnair flight, departing Thu, 29 Apr from Boston to London, returning Mon, 10 May, priced at ฿28,275 Found 2 days ago
Finnair
Thu, 29 Apr - Mon, 10 May
BOS
Boston
LHR
London
฿28,465
Return
Found 2 days ago
Select Finnair flight, departing Thu, 29 Apr from Boston to London, returning Mon, 10 May, priced at ฿28,465 Found 2 days ago

Find the cheapest month to fly from Boston (BOS) to London (LON)

March is typically the cheapest month to fly

From ฿16,703 - ฿24,880 per traveller.

Travel information

Origin airport
Logan International Airport
Destination airport
Heathrow Airport
Distance
5,240 km away
Airline name
Finnair
Airline code
AY
Return price
฿28,045
Average flight time
6 hours 41 mins
*Available to Expedia members.