Seattle to Fort Lauderdale (SEA-FLL): nonstop upgrade & award space

Alaska Airlines and Delta Air Lines fly nonstop between Seattle (SEA) and Fort Lauderdale (FLL), roughly 14 times a week. Long-haul cabins on a corridor this busy are large but never idle: premium cabin inventory reshuffles around every schedule change, and the best dates go first. 2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines, on every SEA to FLL departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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14
Nonstop flights a week
2,714 mi
Nonstop distance
Free
To get started

Seattle to Fort Lauderdale flight schedule

Scheduled nonstop departures for SEA to FLL, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Seattle (SEA) to Fort Lauderdale (FLL)
Date Flight Airline Departs SEA Arrives FLL Duration Aircraft
AS 516Alaska Airlines, Inc.08:1817:266h 8m73J
DL 338Delta Air Lines13:1022:005h 50m32Q
AS 516Alaska Airlines, Inc.08:1817:266h 8m7M9
DL 338Delta Air Lines13:1022:005h 50m32Q
AS 516Alaska Airlines, Inc.08:1817:266h 8m7M9
DL 338Delta Air Lines13:1022:005h 50m32Q
AS 516Alaska Airlines, Inc.08:1817:266h 8m7M9
DL 338Delta Air Lines13:1022:005h 50m32Q
AS 516Alaska Airlines, Inc.08:1817:266h 8m7M9
DL 338Delta Air Lines13:1022:005h 50m32Q
AS 516Alaska Airlines, Inc.08:1817:266h 8m7M9
DL 338Delta Air Lines13:1022:005h 50m32Q
AS 516Alaska Airlines, Inc.08:1817:266h 8m73H
DL 338Delta Air Lines13:1022:005h 50m32Q

Showing all 14 scheduled SEA to FLL departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every SEA to FLL date on the interactive map

Confirmed upgrade & award space on SEA to FLL departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines, segment by segment and date by date. Open the calendar for Seattle to Fort Lauderdale to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each SEA to FLL departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SEA to FLL on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seattle to Fort Lauderdale nonstop

Carriers operating SEA to FLL nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See SEA to FLL on the interactive map →

Frequently asked questions about SEA to FLL

How far is Fort Lauderdale from Seattle?
SEA to FLL covers about 2,714 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from SEA to FLL?
Alaska Airlines and Delta Air Lines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines.
How many flights a week are there from SEA to FLL?
About 14 nonstop flights a week run between Seattle and Fort Lauderdale in the current schedule, operated by Alaska Airlines and Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from SEA to FLL depart?
Scheduled SEA to FLL nonstops in the next 7 days with service leave between 08:18 and 13:10, local time at Seattle. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on SEA to FLL?
Open the SEA to FLL route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines and Delta Air Lines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss SEA to FLL upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

Get started free