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

Return flights

22 Aug - 06 Sep	Allegiant Air
23 Aug - 02 Sep	Frontier Airlines
29 Aug - 02 Sep	Frontier Airlines
29 Aug - 05 Sep	Frontier Airlines
25 Aug - 29 Aug	Delta
22 Aug - 26 Aug	Delta
19 Aug - 26 Aug	Delta
30 Aug - 01 Sep	Frontier Airlines
19 Aug - 27 Aug	Delta
18 Aug - 24 Aug	United
19 Aug - 24 Aug	United
19 Aug - 25 Aug	Air Canada
22 Aug - 25 Aug	Delta
19 Aug - 20 Aug	Delta
29 Aug - 31 Aug	Delta

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

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 August from 365€

Return flights