AirHint found the following cheapest one-way flights from Boston (BOS) to Singapore (SIN) in May 2026 (see full year).
One-Way flights
| 07 May | Etihad Airways | ||
| 26 May | Etihad Airways | ||
| 21 May | Etihad Airways | ||
| 02 May | Saudia | ||
| 24 May | Etihad Airways | ||
| 09 May | Delta | ||
| 16 May | Qatar Airways | ||
| 30 May | Porter Airlines (Canada) Ltd | ||
| 15 May | Delta |
Also check the deals for return flights from Boston to Singapore in May.
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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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