Cheapest one-way flights from Boston to Bangkok in April from $359

AirHint found the following cheapest one-way flights from Boston (BOS) to Bangkok (BKK) in April 2026 (see full year).

One-Way flights

07 Apr Korean Air
21 Apr Korean Air
06 Apr Korean Air
12 Apr Korean Air
28 Apr Etihad Airways
15 Apr Hainan Airlines
13 Apr Delta

Also check the deals for return flights from Boston to Bangkok in April.

Powered by

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Feel free to contact us with any feedback or request another flight research.