Cheapest return flights from Fort Lauderdale (FLL) to Washington (IAD), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
02 Sep 23 Sep Frontier Airlines
Direct Flight
02 Sep 14 Sep Frontier Airlines
Direct Flight
01 Sep 08 Sep Frontier Airlines
Direct Flight
08 Sep 15 Sep Frontier Airlines
Direct Flight
09 Sep 16 Sep Frontier Airlines
Direct Flight
16 Sep 30 Sep Frontier Airlines
Direct Flight
01 Sep 15 Sep Frontier Airlines
Direct Flight
01 Sep 23 Sep Frontier Airlines
Direct Flight
08 Sep 11 Sep Frontier Airlines
Direct Flight
15 Sep 29 Sep Frontier Airlines
Direct Flight
23 Sep 14 Oct Frontier Airlines
Direct Flight
22 Sep 13 Oct Frontier Airlines
Direct Flight
25 Sep 02 Oct Frontier Airlines
25 Sep 02 Oct Frontier Airlines
Direct Flight
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deals for one-way flights from Fort Lauderdale to Washington in September.

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Updated Jun 11, 2026.

About these fares

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