AirHint found the following cheapest one-way flights from Boston (BOS) to Riga (RIX) in December 2025 (see full year).
One-Way flights
| 14 Dec | TAP | ||
| 08 Dec | British Airways | ||
| 18 Dec | American Airlines | ||
| 19 Dec | Icelandair | ||
| 20 Dec | Icelandair |
Also check the deals for return flights from Boston to Riga in December.
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