Looking for more low-fare flights?
Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.
Find low faresSouthwest® flights from Seattle/Tacoma to Miami from $144
expand_more
1 Passenger
expand_morePromo Code
expand_moretoday
today
Low fares from Seattle/Tacoma to Miami
$
Seattle/Tacoma (SEA)to
Miami (MIA)
Depart: 03/04/2026
One-way
Basic
From
$144
Seen: 1 hour ago
Seattle/Tacoma (SEA)to
Miami (MIA)
Depart: 03/07/2026
One-way
Basic
From
$169
Seen: 6 hrs ago
Seattle/Tacoma (SEA)to
Miami (MIA)
Depart: 03/05/2026
One-way
Basic
From
$184
Seen: 12 hrs ago
Seattle/Tacoma (SEA)to
Miami (MIA)
Depart: 03/04/2026
One-way
Choice
From
$184
Seen: 1 hour ago
Seattle/Tacoma (SEA)to
Miami (MIA)
Depart: 04/06/2026
One-way
Basic
From
$189
Seen: 3 hrs ago
Seattle/Tacoma (SEA)to
Miami (MIA)
Depart: 04/16/2026
One-way
Basic
From
$194
Seen: 7 hrs ago
Explore flights from Seattle/Tacoma to Miami
location_on
location_on
Flight Details
Departing from:
Seattle/Tacoma International Airport
Arriving at:
Miami International Airport
Distance:
2724 miles
Route Information
40† Weekly flights
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
There are 40 weekly flights from Seattle/Tacoma to Miami on Southwest Airlines.
To find the lowest fares by day and time to fly Seattle/Tacoma to Miami with Southwest, check out our Low Fare Calendar.
You can rent a car at Miami International Airport book yours with your flight.
Yes! Flights from Seattle/Tacoma to Miami—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.