Boston (BOS) to London Heathrow (LHR) flight deal in economy from $242

FIIcelandair

One Way•Economy

BOS

Logan International Airport

Boston, United States

LHR

London Heathrow Airport

London Heathrow, United Kingdom

$273 USD

-11%$242 USD

Verified 12 days ago

October 2026

Today

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28$24929$24930$3411$2422$2423$2424$2425$2426$2427$2428$5939$24210$24211$24212$24213$24214$24215$24216$24217$24218$24219$24220$24221$24222$24223$24224$24225$24226$24227$24228$24229$24230$24231$2421$242

Great Availability

78% of dates checked are available within 10% of the lowest price

Thursday, October 1st, 2026

Outbound Flights

18h 30m·1 stop

$242 USD

BOSOct 1 20:50

→

KEFOct 2 06:05

FI 630Boeing 767

10h 5m layover

KEFOct 2 16:10

→

LHROct 2 20:20

FI 454Airbus A321neo

10h 5m·1 stop

$411 USD

BOSOct 1 20:50

→

KEFOct 2 06:05

FI 630Boeing 767

1h 35m layover

KEFOct 2 07:40

→

LHROct 2 11:55

FI 450Boeing 767

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