Cheapest return flights from Boston to Bangkok in April from $730

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

Return flights

10 Apr - 24 Apr Hainan Airlines
10 Apr - 18 Apr Hainan Airlines
10 Apr - 17 Apr Hainan Airlines
15 Apr - 29 Apr Hainan Airlines
15 Apr - 21 Apr Hainan Airlines
15 Apr - 28 Apr Hainan Airlines
12 Apr - 23 Apr Hainan Airlines
12 Apr - 21 Apr Hainan Airlines
10 Apr - 23 Apr Hainan Airlines
01 Apr - 08 Apr Etihad Airways
20 Apr - 04 May Etihad Airways
23 Apr - 25 May Etihad Airways
29 Apr - 13 May Etihad Airways
25 Apr - 03 May United
09 Apr - 01 May Etihad Airways
20 Apr - 10 May Etihad Airways
09 Apr - 02 May Etihad Airways
20 Apr - 02 May Etihad Airways
27 Apr - 02 May Etihad Airways
29 Apr - 31 May Korean Air

Also check the deals for one-way flights from Boston to Bangkok in April.

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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.

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