Cheapest return flights from Boston to Kuala Lumpur in September from $909
AirHint found the following cheapest return flights from Boston (BOS) to Kuala Lumpur (KUL) in September 2025 (see full year).
Return flights
| 01 Sep - 07 Sep | ANA | ||
| 01 Sep - 15 Sep | Cathay Pacific | ||
| 01 Sep - 14 Sep | ANA | ||
| 01 Sep - 06 Sep | Turkish Airlines | ||
| 12 Sep - 20 Oct | Delta | ||
| 11 Sep - 21 Oct | Delta |
Also check the deals for one-way flights from Boston to Kuala Lumpur in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
