SEA to MIA Route Guide
Seattle, United States → Miami, United States
Quick answer
KSEA (Seattle, United States) to KMIA (Miami, United States) is a 2,365 NM (4,380 km / 2,722 mi) great-circle route with an initial bearing of 108° (ESE). Typical cruise altitude FL380, expected flight time 5h 27m, common aircraft: Boeing 757-200, Boeing 737 MAX 8, Airbus A321XLR.
Distance
2,365 NM
4,380 km / 2,722 mi
Initial Bearing
108° (ESE)
True heading at departure
Typical Cruise
FL380
38,000 ft
Block Time
5h 27m
Typical jet, no wind correction
Fuel Estimate
8,595 kg
Single-aisle equivalent + reserve
Departure Elevation
433 ft
KSEA
Arrival Elevation
8 ft
KMIA
What aircraft fly this route?
For a 2,365 NM mission, operators typically deploy:
- Boeing 757-200
- Boeing 737 MAX 8
- Airbus A321XLR
- Airbus A330-300
Weather considerations
Pilots flying SEA-MIA should brief METARs and TAFs at both ends, plus any en-route SIGMETs. On this long-range mission, plan for an alternate within fuel reserves and review oceanic / NAT track procedures if applicable.
Frequently asked questions
What is the distance between SEA and MIA?
2,365 nautical miles (4,380 km / 2,722 statute miles) great-circle.
How long is the flight from Seattle to Miami?
Approximately 5h 27m block-to-block for a typical commercial jet, depending on aircraft type and winds.
What aircraft typically fly SEA-MIA?
Common types include Boeing 757-200, Boeing 737 MAX 8, Airbus A321XLR, Airbus A330-300 depending on operator and demand.
What altitude do flights cruise at?
Most flights at this distance cruise around FL380 (38,000 ft), though winds and traffic affect filed altitude.
What initial heading is the route?
108° true (ESE). Track varies along the route due to great-circle curvature.
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