Cheapest return flights from Washington to Miami in December from $58

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

Return flights

14 Dec - 15 Dec Frontier Airlines direct
15 Dec - 22 Dec Frontier Airlines direct
08 Dec - 15 Dec Frontier Airlines direct
14 Dec - 20 Dec Frontier Airlines direct
08 Dec - 12 Dec Frontier Airlines direct
14 Dec - 19 Dec Frontier Airlines direct
07 Dec - 12 Dec Frontier Airlines direct
15 Dec - 18 Dec Frontier Airlines
11 Dec - 12 Dec Frontier Airlines
10 Dec - 15 Dec Frontier Airlines
31 Dec - 07 Jan Frontier Airlines
31 Dec - 01 Jan Frontier Airlines
30 Dec - 01 Jan Frontier Airlines
31 Dec - 05 Jan Frontier Airlines
29 Dec - 01 Jan Frontier Airlines
31 Dec - 31 Jan Frontier Airlines
28 Dec - 08 Jan Frontier Airlines
25 Dec - 11 Jan Frontier Airlines
29 Dec - 09 Jan Frontier Airlines
25 Dec - 01 Jan Frontier Airlines

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

Powered by

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.

Book a cheap hotel in Miami

Cheap car rent in Miami

Feel free to contact us with any feedback or request another flight research.