AirHint found the following cheapest one-way flights from Washington (IAD) to Beijing (PEK) in May 2026 (see full year).
One-Way flights
| 08 May | Frontier Airlines | ||
| 15 May | Frontier Airlines | ||
| 01 May | KLM | ||
| 22 May | SWISS | ||
| 19 May | SWISS | ||
| 01 May | Air China | direct | |
| 26 May | Lufthansa | ||
| 20 May | SWISS | ||
| 08 May | Air China | direct | |
| 15 May | Air China | direct |
Also check the deals for return flights from Washington to Beijing in May.
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