Seattle to Fort Lauderdale flights: who flies SEA-FLL

Seattle to Fort Lauderdale flight schedule

Scheduled nonstop departures for SEA to FLL starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Scheduled nonstop departures from Seattle (SEA) to Fort Lauderdale (FLL)
Date	Flight	Airline	Departs SEA	Arrives FLL	Duration	Aircraft
Fri, Oct 23	AS 516	Alaska Airlines, Inc.	08:15	17:19	6h 4m	Boeing 737 MAX 9
Fri, Oct 23	DL 338	Delta Air Lines	12:11	20:59	5h 48m	Airbus A321neo family
Sat, Oct 24	AS 516	Alaska Airlines, Inc.	08:15	17:19	6h 4m	Boeing 737 MAX 9
Sat, Oct 24	DL 338	Delta Air Lines	12:11	20:59	5h 48m	Airbus A321neo family
Sun, Oct 25	AS 516	Alaska Airlines, Inc.	08:15	17:19	6h 4m	Boeing 737-900
Sun, Oct 25	DL 338	Delta Air Lines	12:11	20:59	5h 48m	Airbus A321neo family
Mon, Oct 26	AS 516	Alaska Airlines, Inc.	08:15	17:19	6h 4m	Boeing 737-900
Mon, Oct 26	DL 338	Delta Air Lines	12:11	20:59	5h 48m	Airbus A321neo family
Tue, Oct 27	AS 516	Alaska Airlines, Inc.	08:15	17:19	6h 4m	Boeing 737 MAX 9
Tue, Oct 27	DL 338	Delta Air Lines	12:11	20:59	5h 48m	Airbus A321neo family
Wed, Oct 28	AS 516	Alaska Airlines, Inc.	08:15	17:19	6h 4m	Boeing 737 MAX 9
Wed, Oct 28	DL 338	Delta Air Lines	12:11	20:59	5h 48m	Airbus A321neo family
Thu, Oct 29	AS 516	Alaska Airlines, Inc.	08:15	17:19	6h 4m	Boeing 737 MAX 8
Thu, Oct 29	DL 338	Delta Air Lines	12:11	20:59	5h 48m	Airbus A321neo family

Showing all 14 scheduled SEA to FLL departures across 7 days with service, starting October 23, 2026. 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 hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every SEA to FLL date on the interactive map

Aircraft on the Seattle to Fort Lauderdale nonstop

In the schedule table on this page, Alaska Airlines flies the Boeing 737 MAX 9, the Boeing 737-900, and the Boeing 737 MAX 8, and Delta Air Lines flies the Airbus A321neo family. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

Confirmed upgrade & award space on SEA to FLL departures

2LNR tracks confirmed upgrade and award space on Delta Air Lines and Alaska Airlines, 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.

In the 7 days to October 19, 2026, 2LNR checked award space on Seattle to Fort Lauderdale departures from October 19 to November 1. Delta Air Lines had space open on 14 of 14 dates checked and Alaska Airlines on 0 of 14.

See real availability

Confirmed upgrade or award seats by date on the SEA to FLL departures 2LNR tracks, checked against live inventory so you know what's open before you book.

Set an alert

Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're 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. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date.

See SEA to FLL on the interactive map →

Frequently asked questions about SEA to FLL

How long is the flight from Seattle (SEA) to Fort Lauderdale (FLL)?

Scheduled flight times from Seattle (SEA) to Fort Lauderdale (FLL) run from 5h 48m to 6h 4m across the departures in the schedule table on this page. The nonstop covers about 2,714 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.

Which airlines fly nonstop from SEA to FLL?

Delta Air Lines and Alaska Airlines fly SEA to FLL nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines and Alaska Airlines.

How many flights a week are there from SEA to FLL?

About 14 nonstop flights a week run between Seattle (SEA) and Fort Lauderdale (FLL) in the current schedule, operated by Delta Air Lines and Alaska Airlines. 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 08:15 and 12:11, local time at Seattle. The schedule table on this page lists every departure by date, with its arrival time and aircraft.

Which flights operate SEA to FLL nonstop?

In the schedule table on this page, SEA to FLL nonstops fly as AS 516 on Alaska Airlines and DL 338 on Delta Air Lines. The table lists each departure by date with its times 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 Delta Air Lines and Alaska Airlines, 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.