AirHint found the following cheapest return flights from Washington (IAD) to Mumbai (BOM) in December 2026 (see full year).
Return flights
| 20 Dec - 29 Dec | SWISS | ||
| 06 Dec - 04 Jan | Lufthansa | ||
| 10 Dec - 31 Dec | Lufthansa | ||
| 19 Dec - 03 Jan | SWISS | ||
| 21 Dec - 30 Dec | Air Canada | ||
| 21 Dec - 31 Dec | Air Canada | ||
| 21 Dec - 03 Jan | ANA |
Also check the deals for one-way flights from Washington to Mumbai in December.
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