AirHint found the following cheapest return flights from Washington (IAD) to Montego Bay (MBJ) in December 2025 (see full year).

Return flights

04 Dec - 08 Dec	Frontier Airlines
05 Dec - 10 Dec	United
05 Dec - 08 Dec	Frontier Airlines
22 Dec - 29 Dec	Frontier Airlines
23 Dec - 27 Dec	United
23 Dec - 27 Dec	United	direct
27 Dec - 06 Jan	Delta
22 Dec - 29 Dec	United	direct

Also check the deals for one-way flights from Washington to Montego Bay in December.

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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Cheapest return flights from Washington to Montego Bay in December from $418

Return flights