| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| London Heathrow Boston | Outbound 09/04/26 1 Stopover (KEF) FI0451, FI0631 10h 45min | Return 13/04/26 1 Stopover (KEF) FI0632, FI0454 15h 50min |  Icelandair |  | £319 | ||
| Best option London Heathrow Boston | Outbound 25/05/26 direct KL4808 07h 45min | Return 07/06/26 direct KL4805 06h 30min |  KLM |  | £409 | ||
| London Heathrow Boston | Outbound 09/04/26 2 Stopovers (FRA, JFK) LH0921, DE2016, B60918 20h 35min | Return 13/04/26 2 Stopovers (JFK, FRA) B60217, DE2017, LH0924 17h 40min |    Lufthansa, Condor, JetBlue Airways |  | £932 | ||
| London Heathrow Boston | Outbound 25/05/26 direct KL4806 07h 25min | Return 07/06/26 1 Stopover (JFK) KL5006, KL2509 10h 20min | KLM |  | £401 | ||
| London Heathrow Boston | Outbound 31/03/26 1 Stopover (DUB) EI0163, EI0137 10h 25min | Return 21/04/26 1 Stopover (SNN) EI0134, EI0380 09h 35min |  Aer Lingus Irish Airlines |  | ? | £407 | |
| London Heathrow Boston | Outbound 25/05/26 direct AF9658 07h 45min | Return 07/06/26 direct AF9646 06h 30min |  Air France |  | £409 | ||
| London Heathrow Boston | Outbound 25/05/26 direct AF9658 07h 45min | Return 07/06/26 direct AF9646 06h 30min | Air France |  | £410 | ||
| London Heathrow Boston | Outbound 25/05/26 direct KL4808 07h 45min | Return 07/06/26 direct KL4805 06h 30min | KLM | | £410 | ||
| London Heathrow Boston | Outbound 25/05/26 direct KL4806 07h 25min | Return 07/06/26 direct KL4805 06h 30min | KLM | | £418 | ||
| London Heathrow Boston | Outbound 25/05/26 direct VS0157 07h 45min | Return 07/06/26 direct VS0012 06h 30min |  Virgin Atlantic Airways | | £418 |
Tips and tricks to help you find cheap flights from London Heathrow to Boston
Favourite airline: Icelandair
Flight tickets on the route London Heathrow – Boston are most frequently booked with Icelandair.
Icelandair
35 %
British Airways
15 %
SAS
15 %