$126 Cheap United flights Washington (IAD) to Miami (MIA)

View $126 flight on Sat, Sep 19, 2026Opens in a new window

$126 Cheap United flights Washington (IAD) to Miami (MIA)

Prices were available within the past 7 days and start at $126 for one-way flights and $823 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Jan 1 - Sun, Jan 4
IAD
Washington
MIA
Miami
$823 Roundtrip, just found
$823
Roundtrip
just found
Select United flight, departing Thu, Jan 1 from Washington to Miami, returning Sun, Jan 4, priced at $823 just found

Find the cheapest month to fly from Washington (IAD) to Miami (MIA)

November is typically the cheapest month to fly

From $66 - $289 per traveler.

Alternative airports near Miami

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Miami Intl. MIA. Cheapest option available. Average driving time to city center is 12 minutes. Flights from $88
MIA
Miami Intl.
Cheapest
Average driving time to city center12 min
Flights from $88
Flights from Washington (IAD) to Miami (MIA)
Origin airport
Washington Dulles Intl.
Destination airport
Miami Intl.
Airlines serving
American Airlines, Delta, United
Popular airline
United
Distance
1478 km
Average flight time
2 hours 56 mins