IAD (Washington) to Miami in September 2026

Dated one-way fares from IAD (Washington) to Miami in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $51

Highest this month $159

Sample fare $51

Airports IAD–FLL

Ad. Ticket links are affiliate ads. We may earn a commission if you book. Advertising disclosure

September 2026 price calendar

From $51 · up to $159

Mon

Tue

Wed

Thu

Fri

Sat

Sun

2 $95 3 $159 4 $131 5 $103 6 $113 7 $90 8 $68 9 $68 10 $74 11 $70 12 $70 13 $70 14 $70 15 $70 16 $66 17 $88 18 $76 19 $64 20 $104 21 $51 22 $64 23 $64 24 $77 25 $84

Fort Lauderdale FLL

$51

Sep 21, 6:13pm · 2h 46m · 0 stops

IAD → FLL · Frontier Airlines

Fort Lauderdale FLL

$64

Sep 19, 6:13pm · 2h 46m · 0 stops

IAD → FLL · Frontier Airlines

This page is only September 2026 on the IAD (Washington) to Miami route. Open the full route if you want the next months side by side.

Prices move as seats sell. Confirm the live itinerary before you book IAD (Washington) to Miami in September 2026.