Direct (nonstop) flights from Seattle to Miami

3 airlines fly nonstop from Seattle Tacoma International (SEA) to Miami International (MIA). It's 2,723 miles (4,383 km), about 5h 59m in the air. Operated by American Airlines, Alaska Airlines, Delta Air Lines.

SEA
Seattle Tacoma International
🇺🇸 Seattle, USA
MIA
Miami International
🇺🇸 Miami, USA
Flight Time
5h 59m
Distance
2,723 mi
4,383 km
CO₂/pax
416 kg
−79 kg vs. layover
Airlines
3
American Airlines +2
Time Diff
+3h
Operated by American Airlines American Airlines Alaska Airlines Alaska Airlines Delta Air Lines Delta Air Lines

Route data last updated: May 31, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
SEA → MIA
Flight Time
5h 59m
Distance
2,723 mi
Alaska Airlines AS Alaska Airlines
Route
SEA → MIA
Flight Time
5h 59m
Distance
2,723 mi
Delta Air Lines DL Delta Air Lines
Route
SEA → MIA
Flight Time
5h 59m
Distance
2,723 mi

Alternative Routes

Other ways to fly from Seattle to Miami with one stop · direct emits 416 kg CO₂ per passenger

SEA DAL (Dallas) MIA
Leg 1: 3h 55m (1,669 mi) Leg 2: 2h 40m (1,110 mi) Total: ~6h 35m 🍃 495 kg CO₂ (+19% vs. direct)
Leg 1
SEA → DAL
3h 55m · 1,669 mi
View SEA to DAL flights →
Leg 2
DAL → MIA
2h 40m · 1,110 mi
View DAL to MIA flights →
SEA ICT (Wichita) MIA
Leg 1: 3h 23m (1,429 mi) Leg 2: 3h 13m (1,295 mi) Total: ~6h 36m 🍃 486 kg CO₂ (+17% vs. direct)
Leg 1
SEA → ICT
3h 23m · 1,429 mi
View SEA to ICT flights →
Leg 2
ICT → MIA
3h 13m · 1,295 mi
View ICT to MIA flights →
SEA MSY (New Orleans) MIA
Leg 1: 4h 38m (2,085 mi) Leg 2: 2h 1m (674 mi) Total: ~6h 39m 🍃 502 kg CO₂ (+21% vs. direct)
Leg 1
SEA → MSY
4h 38m · 2,085 mi
View SEA to MSY flights →
Leg 2
MSY → MIA
2h 1m · 674 mi
View MSY to MIA flights →
SEA SLC (Salt Lake City) MIA
Leg 1: 2h 6m (688 mi) Leg 2: 4h 37m (2,088 mi) Total: ~6h 43m 🍃 505 kg CO₂ (+21% vs. direct)
Leg 1
SEA → SLC
2h 6m · 688 mi
View SEA to SLC flights →
Leg 2
SLC → MIA
4h 37m · 2,088 mi
View SLC to MIA flights →
SEA PDX (Portland) MIA
Leg 1: 1h 1m (129 mi) Leg 2: 5h 43m (2,700 mi) Total: ~6h 44m 🍃 462 kg CO₂ (+11% vs. direct)
Leg 1
SEA → PDX
1h 1m · 129 mi
View SEA to PDX flights →
Leg 2
PDX → MIA
5h 43m · 2,700 mi
View PDX to MIA flights →

Looking for the return flight?

MIA → SEA: Flights from Miami to Seattle

Frequently Asked Questions

How long is the direct flight from Seattle to Miami?

A nonstop flight from Seattle (SEA) to Miami (MIA) takes approximately 5 hours and 59 minutes. The distance is 2,723 miles (4,383 km).

Which airlines fly nonstop from Seattle to Miami?

3 airlines: American Airlines, Alaska Airlines, Delta Air Lines.

Is there a nonstop flight from Seattle to Miami?

Yes. 3 airlines: American Airlines, Alaska Airlines, Delta Air Lines.

How far is Seattle from Miami?

The flight distance from Seattle to Miami is 2,723 miles (4,383 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.

What type of aircraft flies from Seattle to Miami?

At 5h 59m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Seattle to Miami?

Roughly 416 kg CO2 per passenger one-way. That's about the same as driving 2,080 km.

Is the return flight from Miami to Seattle also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Seattle to Miami?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Seattle Tacoma International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.